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<p>A prehistoric wolf dating back to 44,000 years has undergone an autopsy. The mummified predator was found in 2021 about 40 metres below permafrost by the river Tirekhtyakh in East Russia. Scientists believe that this discovery will help us understand life during the ice age.</p>

<p>As reported by Live Science, this mummified adult wolf from the late Pleistocene epoch (between 2.6 million years and 11,700 years ago) is the first of its kind to have been discovered, according to the statement from the North-Eastern Federal University, where the ancient predator was examined.</p>

<p><strong>Also Read |&nbsp;<a href="https://www.wionews.com/science/alarming-antarctic-ice-melt-tipping-point-found-raises-sea-level-rise-fears-735420">Alarming Antarctic ice melt tipping point found, raises fears of sea level rise</a></strong></p>

<p>The cold and dry conditions in permafrost allow the animals to be mummified and preserved for centuries. The scientists took samples of the internal organs and gastrointestinal tract from the carcass of the age-old wolf to study its health and diet.</p>

<p>"His stomach has been preserved in an isolated form, there are no contaminants, so the task is not trivial," Albert Protopopov head of the department for the study of mammoth fauna of the Academy of Sciences of Yakutia, said in a statement according to Live Science. "We hope to obtain a snapshot of the biota of the ancient Pleistocene."</p>

<p>The wolf was identified as an adult male based on its tooth analysis and was an active and large predator. The team of researchers will be able to detect his diet, as well as the diets of animals it had consumed and remained in its stomach.</p>

<p><strong>Also Read |&nbsp;<a href="https://www.wionews.com/science/painted-lady-butterfly-defy-the-odds-first-evidence-shows-it-crossed-an-ocean-735366">Painted lady butterflies defy the odds, first evidence shows it crossed an ocean</a></strong></p>

<p>A living bacteria&nbsp;can survive in fossils for thousands of years. The scientists believe examining the microorganisms that might be still living inside the wolf in a dormant and frozen state may benefit modern-day biotechnology and medicine.</p>

<p>This project will help discover the wildlife and other ancient species that existed during the Pleistocene. The team will also study another ancient wolf found in 2023 in the Nizhnekolymsk region of northeast Siberia.</p>

<p><em>(With inputs from agencies)</em></p>


A prehistoric wolf dating back to 44,000 years has undergone an autopsy. The mummified predator was found in 2021 about 40 metres below permafrost by the river Tirekhtyakh in East Russia.

A prehistoric wolf dating back to 44,000 years has undergone an autopsy. The mummified predator was found in 2021 about 40 metres below permafrost by the river Tirekhtyakh in East Russia. Scientists believe that this discovery will help us understand life during the ice age. As reported by Live Science, this mummified adult wolf from the late Pleistocene epoch (between 2.6 million years and 11,700 years ago) is the first of its kind to have been discovered, according to the statement from the North-Eastern Federal University, where the ancient predator was examined. Also Read | Alarming Antarctic ice melt tipping point found, raises fears of sea level rise The cold and dry conditions in permafrost allow the animals to be mummified and preserved for centuries. The scientists took samples of the internal organs and gastrointestinal tract from the carcass of the age-old wolf to study its health and diet. "His stomach has been preserved in an isolated form, there are no contaminants, so the task is not trivial," Albert Protopopov head of the department for the study of mammoth fauna of the Academy of Sciences of Yakutia, said in a statement according to Live Science. "We hope to obtain a snapshot of the biota of the ancient Pleistocene." The wolf was identified as an adult male based on its tooth analysis and was an active and large predator. The team of researchers will be able to detect his diet, as well as the diets of animals it had consumed and remained in its stomach. Also Read | Painted lady butterflies defy the odds, first evidence shows it crossed an ocean A living bacteria can survive in fossils for thousands of years. The scientists believe examining the microorganisms that might be still living inside the wolf in a dormant and frozen state may benefit modern-day biotechnology and medicine. This project will help discover the wildlife and other ancient species that existed during the Pleistocene. The team will also study another ancient wolf found in 2023 in the Nizhnekolymsk region of northeast Siberia. (With inputs from agencies)

Ancient wolf autopsy may reveal secrets about the last ice age

<p>Studies have shown that taking multivitamins won't extend your life expectancy. According to a recent report published in the journal JAMA Network Open, researchers have shown that healthy people who take multivitamins regularly are no less likely than those who don't to die of any cause.</p>

<p>Thus, there is no connection between taking multivitamins and a lower chance of dying.</p>

<p>Multivitamins generally consist of a mix of essential vitamins and minerals. While the specific ingredients can differ among brands and formulations, they commonly include vitamins A, C, D, E, and K, various B vitamins, and minerals such as calcium, magnesium, iron, zinc, and manganese.</p>

<p>"In the United States, nearly 1 in 3 adults report recent multivitamin (MV) use. Prevalence of use is higher among older adults, women, non-Hispanic White individuals, and those with a college education. Motivations for using MV include maintaining or improving health and preventing chronic disease; consequently, understanding the relationship between MV use and mortality is critically important to public health guidance," the authors wrote in the paper.</p>

<p><strong>Watch |&nbsp;<a href="https://www.wionews.com/videos/john-krasinski-discusses-a-quiet-place-day-one-735421">John Krasinski discusses A Quiet Place: Day One</a></strong></p>

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<p>There is mixed data from earlier studies linking multivitamin consumption to mortality. Short participant follow-up periods have also been a limitation.</p>

<p>Researchers examined data from over 400,000 healthy American individuals over 20 years, none of whom had a history of cancer or chronic illness. They found no correlation between the use of multivitamins and a lower risk of mortality from any cause, such as cancer, heart disease, or stroke.</p>

<p>"In this cohort study of 390,124 generally healthy US adults with more than 20 years of follow-up, daily MV use was not associated with a mortality benefit," they explained.</p>

<p>"In contrast, we found that daily MV use vs non-use was associated with 4% higher mortality risk," they added.</p>

<p>According to the authors, this might be due to the sort of people who take multivitamins: those with age-related health difficulties may be more likely to do so.</p>

<p><strong>Also read:&nbsp;<a href="https://www.wionews.com/science/alarming-antarctic-ice-melt-tipping-point-found-raises-sea-level-rise-fears-735420">Alarming Antarctic ice melt tipping point found, raises fears of sea level rise</a></strong></p>

<p>"It could be argued that those who are sick or older than 65 years are more likely to initiate MV use. This phenomenon could result in a non-causal positive association since these individuals have a higher risk of mortality than their healthier or younger counterparts," they wrote.</p>

<p>The researchers updated their study to account for different confounding factors such as race and ethnicity, education, and food quality, as well as the possibility that healthy people are more likely to consume multivitamins.</p>

<p>"First, it is an observational study and residual confounding by poorly measured or unmeasured confounders (e.g., health care utilisation) may bias risk estimates. Second, there is the possibility for non-differential exposure misclassification owing to faulty memory of sporadic MV usage," they wrote.</p>

<p><em>(With inputs from agencies)</em></p>


Studies have shown that taking multivitamins won't extend your life expectancy. According to a recent report published in the journal JAMA Network Open, researchers have shown that healthy people who take multivitamins regularly are no less likely than those who don't to die of any cause.

Studies have shown that taking multivitamins won't extend your life expectancy. According to a recent report published in the journal JAMA Network Open, researchers have shown that healthy people who take multivitamins regularly are no less likely than those who don't to die of any cause. Thus, there is no connection between taking multivitamins and a lower chance of dying. Multivitamins generally consist of a mix of essential vitamins and minerals. While the specific ingredients can differ among brands and formulations, they commonly include vitamins A, C, D, E, and K, various B vitamins, and minerals such as calcium, magnesium, iron, zinc, and manganese. "In the United States, nearly 1 in 3 adults report recent multivitamin (MV) use. Prevalence of use is higher among older adults, women, non-Hispanic White individuals, and those with a college education. Motivations for using MV include maintaining or improving health and preventing chronic disease; consequently, understanding the relationship between MV use and mortality is critically important to public health guidance," the authors wrote in the paper. Watch | John Krasinski discusses A Quiet Place: Day One × There is mixed data from earlier studies linking multivitamin consumption to mortality. Short participant follow-up periods have also been a limitation. Researchers examined data from over 400,000 healthy American individuals over 20 years, none of whom had a history of cancer or chronic illness. They found no correlation between the use of multivitamins and a lower risk of mortality from any cause, such as cancer, heart disease, or stroke. "In this cohort study of 390,124 generally healthy US adults with more than 20 years of follow-up, daily MV use was not associated with a mortality benefit," they explained. "In contrast, we found that daily MV use vs non-use was associated with 4% higher mortality risk," they added. According to the authors, this might be due to the sort of people who take multivitamins: those with age-related health difficulties may be more likely to do so. Also read: Alarming Antarctic ice melt tipping point found, raises fears of sea level rise "It could be argued that those who are sick or older than 65 years are more likely to initiate MV use. This phenomenon could result in a non-causal positive association since these individuals have a higher risk of mortality than their healthier or younger counterparts," they wrote. The researchers updated their study to account for different confounding factors such as race and ethnicity, education, and food quality, as well as the possibility that healthy people are more likely to consume multivitamins. "First, it is an observational study and residual confounding by poorly measured or unmeasured confounders (e.g., health care utilisation) may bias risk estimates. Second, there is the possibility for non-differential exposure misclassification owing to faulty memory of sporadic MV usage," they wrote. (With inputs from agencies)

Multivitamin myth busted: No lifespan boost from daily supplements, major study finds

<p>A sunspot region, AR3723 was spotted on June 23 2024 firing off a strong solar flare. This sunspot has re-emerged and was earlier known as AR3723 and AR3697.&nbsp;</p>

<p><strong>Also read |&nbsp;<a href="https://www.wionews.com/science/james-webb-to-ease-hunt-for-extraterrestrial-life-help-spot-alien-activity-735247">James Webb to ease hunt for extraterrestrial life, help spot alien activity</a></strong></p>

<p>This hyperactive sunspot was responsible for the breathtaking phenomenon of the aurora lights that were witnessed across the globe in May 2024.&nbsp;</p>

<h2>What is the sunspot region AR3723?&nbsp;</h2>

<p>The sunspot region, AR3723 has made its third appearance across the Earthside of the sun. Although this region is smaller, compared to the previous sunspots its magnetic waves are emitting stronger solar flares.&nbsp;</p>

<p>On June 23 2024, the AR3723 emitted a Mp.3-class solar flare. The intensity of this flare was just slightly less compared to an X-flare, the most powerful class of solar flare.&nbsp;</p>

<p><strong>Watch |&nbsp;</strong>Russia-Ukraine war: Russia, US defence minsters talk on phone</p>

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<p>This solar flare caused a temporary radio blackout in Africa and Western Europe. According to scientists, such radio blackouts are common. The radiation from solar flares travels towards the Earth at the speed of light and gives an electrical charge to the top of Earth's atmosphere causing a temporary radio blackout.&nbsp;</p>

<h2>What can one expect once the sunspot region faces Earth? &nbsp;</h2>

<p>Once the sunspot region AR3723 faces Earth, one can expect to witness the mind-blowing aurora lights.&nbsp;</p>

<p>Scientists will keep a close watch on this sunspot region as the previous one (AR3697) had produced 6 X-class flares and 28 M-class flares.&nbsp;</p>

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<p dir="ltr" lang="en">SO NEAR AND YET SO FAR! A new sunspot region on the SE limb just produced an M9.7 flare (just 3% short of an X flare). As it is so far east (i.e., poorly magnetically connect to Earth) it is unlikely to affect us in any significant way. <a href="https://t.co/KqK1dRmAes">pic.twitter.com/KqK1dRmAes</a></p>
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<p>Keith Strong, a solar physicist took to X and wrote, "SO NEAR AND YET SO FAR! A new sunspot region on the SE limb just produced an M9.7 flare (just 3% short of an X flare).</p>

<p><strong>Also read |&nbsp;<a href="https://www.wionews.com/science/alma-telescope-sheds-light-on-planet-formation-around-binary-stars-735025">ALMA telescope sheds light on planet formation around binary stars</a></strong></p>

<h2>How do researchers keep track of the sunspots?&nbsp;</h2>

<p>The sun rotates every 27 days, so a particular sunspot is visible for about two weeks before it moves to the western edge of the sun and becomes out of sight. Currently, it is not possible to track sunspots after they move to the back region of the sun. Hence, once they re-emerge they are given a new active region number.&nbsp;</p>

<p><em>(With inputs from agencies)&nbsp;</em></p>


A sunspot region, AR3723 was spotted on June 23 2024 firing off a strong solar flare. This sunspot has re-emerged and was earlier known as AR3723 and AR3697. Also read | James Webb to ease hunt for extraterrestrial life, help spot alien activity This hyperactive sunspot was responsible for the breathtaking phenomenon of the aurora lights that were witnessed across the globe in May 2024.

A sunspot region, AR3723 was spotted on June 23 2024 firing off a strong solar flare. This sunspot has re-emerged and was earlier known as AR3723 and AR3697. Also read | James Webb to ease hunt for extraterrestrial life, help spot alien activity This hyperactive sunspot was responsible for the breathtaking phenomenon of the aurora lights that were witnessed across the globe in May 2024. What is the sunspot region AR3723? The sunspot region, AR3723 has made its third appearance across the Earthside of the sun. Although this region is smaller, compared to the previous sunspots its magnetic waves are emitting stronger solar flares. On June 23 2024, the AR3723 emitted a Mp.3-class solar flare. The intensity of this flare was just slightly less compared to an X-flare, the most powerful class of solar flare. Watch | Russia-Ukraine war: Russia, US defence minsters talk on phone This solar flare caused a temporary radio blackout in Africa and Western Europe. According to scientists, such radio blackouts are common. The radiation from solar flares travels towards the Earth at the speed of light and gives an electrical charge to the top of Earth's atmosphere causing a temporary radio blackout. What can one expect once the sunspot region faces Earth? Once the sunspot region AR3723 faces Earth, one can expect to witness the mind-blowing aurora lights. Scientists will keep a close watch on this sunspot region as the previous one (AR3697) had produced 6 X-class flares and 28 M-class flares. SO NEAR AND YET SO FAR! A new sunspot region on the SE limb just produced an M9.7 flare (just 3% short of an X flare). As it is so far east (i.e., poorly magnetically connect to Earth) it is unlikely to affect us in any significant way. pic.twitter.com/KqK1dRmAes — Keith Strong (@drkstrong) June 23, 2024 × Keith Strong, a solar physicist took to X and wrote, "SO NEAR AND YET SO FAR! A new sunspot region on the SE limb just produced an M9.7 flare (just 3% short of an X flare). Also read | ALMA telescope sheds light on planet formation around binary stars How do researchers keep track of the sunspots? The sun rotates every 27 days, so a particular sunspot is visible for about two weeks before it moves to the western edge of the sun and becomes out of sight. Currently, it is not possible to track sunspots after they move to the back region of the sun. Hence, once they re-emerge they are given a new active region number. (With inputs from agencies)

AR3723 sunspot returns with powerful solar flares, having potential for stunning auroras

<p>Jupiter again stunned the astronomers after they found the Great Red Spot on its surface with the help of the James Webb Space Telescope (JWST).&nbsp;</p>

<p>The spot was unseen till now and came as a surprise to the scientists who suspected that it was caused by powerful atmospheric gravity waves.</p>

<p>The&nbsp;Great Red Spot is now being considered as the largest storm ever formed in the&nbsp;solar system. It is twice as big as Earth and is believed to range for at least 300 years,&nbsp;as per NASA.&nbsp;</p>

<p>The&nbsp;winds of the Great Red Spot&nbsp;have been recorded to blow at a speed of 270 to 425 miles per hour (430 to 680 kilometres per hour) and are nearly 3.5 times as fast as a tornado which occurs on Earth.</p>

<p><strong>Also Read:</strong>&nbsp;<a href="https://www.wionews.com/science/nasas-voyager-1-resumes-full-ops-transmits-valuable-data-after-overcoming-malfunctions-732009">NASA's Voyager 1 resumes full ops, transmits valuable data after overcoming malfunction</a></p>

<p>In a statement, team leader Henrik Melin of the University of Leicester said, "We thought this region, perhaps naively, would be really boring. It is, in fact, just as interesting as the&nbsp;northern lights, if not more so. Jupiter never ceases to surprise."</p>

<h2><strong>Did dark matter create the mysterious spot?</strong></h2>

<p>A whole bunch of dark matter continues to lurk in the universe and has remained elusive to scientists.</p>

<p>Nearly 70 to 80 per cent of all mass is considered dark matter. That matter includes&nbsp;everything detected - stars, planets,&nbsp;black holes, dust, gas, moons, people.</p>

<p>Now, scientists suspect that the infrared glow in Jupiter's atmosphere may have been produced after an interaction with the dark matter.&nbsp;</p>

<p>Charged hydrogen ions known as trihydrogen cations (H3+) are present in abundance in the area.&nbsp;</p>

<p><strong>Watch:&nbsp;Earth's days may be getting little longer: Unveiling the planet's mysteries</strong></p>

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<p>Several cosmic processes can lead to the production of H3+&nbsp;in the Jovian atmosphere and an interaction with dark matter can produce an excess of H3+.&nbsp;</p>

<p>Physicists&nbsp;Carlos Blanco of Princeton University and Stockholm University, and Rebecca Leane of the Stanford Linear Accelerator Center (SLAC) National Accelerator Laboratory and Stanford University wrote, "We point out that dark matter can produce an additional source of H3+&nbsp;in planetary atmospheres."</p>

<p>"This will be produced if dark matter scatters and is captured by planets, and consequently annihilates, producing ionizing radiation," he added.&nbsp;</p>

<p><em>(With inputs from agencies)</em></p>


Jupiter again stunned the astronomers after they found the Great Red Spot on its surface with the help of the James Webb Space Telescope (JWST). The spot was unseen till now and came as a surprise to the scientists who suspected that it was caused by powerful atmospheric gravity waves.

Jupiter again stunned the astronomers after they found the Great Red Spot on its surface with the help of the James Webb Space Telescope (JWST). The spot was unseen till now and came as a surprise to the scientists who suspected that it was caused by powerful atmospheric gravity waves. The Great Red Spot is now being considered as the largest storm ever formed in the solar system. It is twice as big as Earth and is believed to range for at least 300 years, as per NASA. The winds of the Great Red Spot have been recorded to blow at a speed of 270 to 425 miles per hour (430 to 680 kilometres per hour) and are nearly 3.5 times as fast as a tornado which occurs on Earth. Also Read: NASA's Voyager 1 resumes full ops, transmits valuable data after overcoming malfunction In a statement, team leader Henrik Melin of the University of Leicester said, "We thought this region, perhaps naively, would be really boring. It is, in fact, just as interesting as the northern lights, if not more so. Jupiter never ceases to surprise." Did dark matter create the mysterious spot? A whole bunch of dark matter continues to lurk in the universe and has remained elusive to scientists. Nearly 70 to 80 per cent of all mass is considered dark matter. That matter includes everything detected - stars, planets, black holes, dust, gas, moons, people. Now, scientists suspect that the infrared glow in Jupiter's atmosphere may have been produced after an interaction with the dark matter. Charged hydrogen ions known as trihydrogen cations (H3+) are present in abundance in the area. Watch: Earth's days may be getting little longer: Unveiling the planet's mysteries Several cosmic processes can lead to the production of H3+ in the Jovian atmosphere and an interaction with dark matter can produce an excess of H3+. Physicists Carlos Blanco of Princeton University and Stockholm University, and Rebecca Leane of the Stanford Linear Accelerator Center (SLAC) National Accelerator Laboratory and Stanford University wrote, "We point out that dark matter can produce an additional source of H3+ in planetary atmospheres." "This will be produced if dark matter scatters and is captured by planets, and consequently annihilates, producing ionizing radiation," he added. (With inputs from agencies)

Eerie glowing spot on Jupiter holding secrets of dark matter, scientists suggest

<p>Scientists and space enthusiasts have been searching for every possible hint of the existence of water on Mars.&nbsp;</p>

<p>However, the traditional methods have not proved effective in detecting liquid water which is most likely present deep below the Martian surface.&nbsp;</p>

<p>Scientists are now looking at a new approach which involves marsquakes and holds the capacity to provide the breakthrough in this water hunt.</p>

<p>An innovative technique was proposed by researchers from&nbsp;Penn State, headed by doctoral candidate Nolan Roth and Professor Tieyuan Zhu which can revolutionise the understanding of the hydrological history of Mars.&nbsp;</p>

<p><strong>Also Read:&nbsp;</strong><a href="https://www.wionews.com/science/nasas-hirise-camera-captures-image-of-phobos-mars-space-potato-moon-734199">NASA's HiRISE camera captures image of phobos, Mars' 'space potato' Moon</a></p>

<p>According to the study, analysing electromagnetic signals which are produced by marsquakes can help in detecting water which is present underground.</p>

<p>“We explore the possibility of detecting and characterizing subsurface water on Mars using natural signals called seismo-electric interface responses,” stated the study authors.</p>

<p>“These seismo-electric interface responses can be created when marsquakes interact with liquid water held in deep aquifers, so they can be used as unambiguous signs of mobile water," they noted.</p>

<h2><strong>What are Marsquakes?&nbsp;</strong></h2>

<p>Marsquakes are a type of seismic activity&nbsp;that happens on Mars and is similar to earthquakes which occur on Earth.&nbsp;</p>

<p>They are created by the sudden release of energy in the interior of the planet which causes ground vibrations.</p>

<p>Marsquakes can be formed due to various factors which include volcanic activity, the impact of meteorites or tectonic movements.</p>

<p>Scientists by studying the marsquakes can understand the geological activity and internal structure of Mars.&nbsp;</p>

<p>NASA’s InSight lander has played a major role in detecting and studying these quakes after it landed on Mars in 2018.&nbsp;</p>

<p>It was once believed that Mars had vast oceans but through time most of that water vanished.</p>

<p>“The scientific community has theories that Mars used to have oceans and that, over the course of its history, all that water went away. But there is evidence that some water is trapped somewhere in the subsurface. We just haven’t been able to find it,” said Roth.</p>

<h2><strong>What did the researchers propose?</strong></h2>

<p>A technique known as the seismoelectric method has been proposed by researchers to detect&nbsp;water&nbsp;on Mars.&nbsp;</p>

<p>The approach depends on the unique electromagnetic signals which are produced when&nbsp;seismic&nbsp;waves cross the underground aquifers.</p>

<p><strong>Watch:&nbsp;Gravitas | The danger posed by Chinese space debris</strong></p>

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<p>“If we listen to the marsquakes that are moving through the subsurface, if they pass through water, they’ll create these wonderful, unique signals of electromagnetic fields. These signals would be diagnostic of current, modern-day water on Mars," said Roth.&nbsp;</p>

<p>The dry surface of Mars interestingly makes it easier for scientists to detect the signals compared to Earth.</p>

<p>“On Mars, where the near-surface is certainly desiccated, no such separation is needed. In contrast to how seismoelectric signals often appear on Earth, Mars’ surface naturally removes the noise and exposes useful data that allows us to characterize several aquifer properties,” said Professor Zhu.</p>

<p><em>(With inputs from agencies)</em></p>


Scientists and space enthusiasts have been searching for every possible hint of the existence of water on Mars. However, the traditional methods have not proved effective in detecting liquid water which is most likely present deep below the Martian surface.

Scientists and space enthusiasts have been searching for every possible hint of the existence of water on Mars. However, the traditional methods have not proved effective in detecting liquid water which is most likely present deep below the Martian surface. Scientists are now looking at a new approach which involves marsquakes and holds the capacity to provide the breakthrough in this water hunt. An innovative technique was proposed by researchers from Penn State, headed by doctoral candidate Nolan Roth and Professor Tieyuan Zhu which can revolutionise the understanding of the hydrological history of Mars. Also Read: NASA's HiRISE camera captures image of phobos, Mars' 'space potato' Moon According to the study, analysing electromagnetic signals which are produced by marsquakes can help in detecting water which is present underground. “We explore the possibility of detecting and characterizing subsurface water on Mars using natural signals called seismo-electric interface responses,” stated the study authors. “These seismo-electric interface responses can be created when marsquakes interact with liquid water held in deep aquifers, so they can be used as unambiguous signs of mobile water," they noted. What are Marsquakes? Marsquakes are a type of seismic activity that happens on Mars and is similar to earthquakes which occur on Earth. They are created by the sudden release of energy in the interior of the planet which causes ground vibrations. Marsquakes can be formed due to various factors which include volcanic activity, the impact of meteorites or tectonic movements. Scientists by studying the marsquakes can understand the geological activity and internal structure of Mars. NASA’s InSight lander has played a major role in detecting and studying these quakes after it landed on Mars in 2018. It was once believed that Mars had vast oceans but through time most of that water vanished. “The scientific community has theories that Mars used to have oceans and that, over the course of its history, all that water went away. But there is evidence that some water is trapped somewhere in the subsurface. We just haven’t been able to find it,” said Roth. What did the researchers propose? A technique known as the seismoelectric method has been proposed by researchers to detect water on Mars. The approach depends on the unique electromagnetic signals which are produced when seismic waves cross the underground aquifers. Watch: Gravitas | The danger posed by Chinese space debris “If we listen to the marsquakes that are moving through the subsurface, if they pass through water, they’ll create these wonderful, unique signals of electromagnetic fields. These signals would be diagnostic of current, modern-day water on Mars," said Roth. The dry surface of Mars interestingly makes it easier for scientists to detect the signals compared to Earth. “On Mars, where the near-surface is certainly desiccated, no such separation is needed. In contrast to how seismoelectric signals often appear on Earth, Mars’ surface naturally removes the noise and exposes useful data that allows us to characterize several aquifer properties,” said Professor Zhu. (With inputs from agencies)

Study suggests quakes on Mars hiding water secrets of red planet, hint at possibility of life

<p>A new study has uncovered a concerning tipping point that could accelerate the melting of Antarctic ice sheets and lead to greater sea level rise than currently projected.</p>

<p>The research, published in the journal Nature Geoscience, found that warm ocean water seeping beneath the ice sheets can trigger a feedback loop of runaway melting.</p>

<p>The study explained that as ocean temperatures rise due to climate change, the warm water can intrude between the ice sheets and the underlying ground.</p>

<p>Also Read |&nbsp;<a href="https://www.wionews.com/science/volcanic-eruptions-on-icelands-reykjanes-peninsula-could-continue-for-decades-study-735395">Volcanic eruptions on Iceland's Reykjanes peninsula could continue for decades: Study</a></p>

<p>This creates cavities that allow more warm water to flow in, further melting the ice and expanding the cavities in a self-reinforcing cycle.</p>

<p>"Every 10th of a degree (of warming) makes these kind of processes closer, these tipping points closer," said lead author, Dr Alexander Bradley from the British Antarctic Survey.</p>

<p>Also Read |&nbsp;<a href="https://www.wionews.com/science/is-the-wind-on-earth-being-controlled-by-currents-at-the-edge-of-space-study-hints-so-735298">Is the wind on Earth being controlled by currents at the edge of space? Study hints so</a></p>

<p>The researchers warn that this newly identified melting mechanism could mean that current projections of sea level rise are significant underestimates.</p>

<h2><strong>Urgent climate action needed&nbsp;</strong></h2>

<p>The study highlighted certain vulnerable areas of Antarctica, such as the Pine Island Glacier, that are at high risk of this accelerated melting due to their topography.</p>

<p>"Increases in ocean temperature can lead to a tipping point being passed, beyond which ocean water intrudes in an unbounded manner beneath the ice sheet, via a process of runaway melting," the study stated.</p>

<p><strong>Watch | Cancer rate in younger people rising sharply as per new research</strong></p>

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<p>While the exact timing of when this tipping point could be reached remains uncertain, the researchers stressed the urgency of curbing fossil fuel emissions to prevent crossing this critical threshold.</p>

<p>Integrating this new understanding of seawater intrusion into ice sheet models is crucial to better anticipate the potential impacts on sea level rise in the coming decades and centuries.</p>

<p>"It really just stresses the need for urgent climate action in order to prevent these tipping points from being passed," Bradley emphasised.</p>

<p><em>(With inputs from agencies)</em></p>


A new study has uncovered a concerning tipping point that could accelerate the melting of Antarctic ice sheets and lead to greater sea level rise than currently projected.

A new study has uncovered a concerning tipping point that could accelerate the melting of Antarctic ice sheets and lead to greater sea level rise than currently projected. The research, published in the journal Nature Geoscience, found that warm ocean water seeping beneath the ice sheets can trigger a feedback loop of runaway melting. The study explained that as ocean temperatures rise due to climate change, the warm water can intrude between the ice sheets and the underlying ground. Also Read | Volcanic eruptions on Iceland's Reykjanes peninsula could continue for decades: Study This creates cavities that allow more warm water to flow in, further melting the ice and expanding the cavities in a self-reinforcing cycle. "Every 10th of a degree (of warming) makes these kind of processes closer, these tipping points closer," said lead author, Dr Alexander Bradley from the British Antarctic Survey. Also Read | Is the wind on Earth being controlled by currents at the edge of space? Study hints so The researchers warn that this newly identified melting mechanism could mean that current projections of sea level rise are significant underestimates. Urgent climate action needed The study highlighted certain vulnerable areas of Antarctica, such as the Pine Island Glacier, that are at high risk of this accelerated melting due to their topography. "Increases in ocean temperature can lead to a tipping point being passed, beyond which ocean water intrudes in an unbounded manner beneath the ice sheet, via a process of runaway melting," the study stated. Watch | Cancer rate in younger people rising sharply as per new research × While the exact timing of when this tipping point could be reached remains uncertain, the researchers stressed the urgency of curbing fossil fuel emissions to prevent crossing this critical threshold. Integrating this new understanding of seawater intrusion into ice sheet models is crucial to better anticipate the potential impacts on sea level rise in the coming decades and centuries. "It really just stresses the need for urgent climate action in order to prevent these tipping points from being passed," Bradley emphasised. (With inputs from agencies)

Alarming Antarctic ice melt tipping point found, raises fears of sea level rise

<p>Researchers have analysed local earthquake and geochemical data to predict that Iceland's ongoing volcanic eruptions may continue on and off for years to decades.&nbsp;</p>

<p>The eruptions have threatened the country's most densely populated region and vital infrastructure. Researchers have studied these eruptions and findings of the same have been published in the scientific journal Terra Nova.&nbsp;</p>

<p>The study mentioned that researchers from six universities, Uppsala University (Sweden), the University of Iceland, the Czech Academy of Sciences, Brno University of Technology (Czechia), the University of Oregon (USA) and the University of California at San Diego (USA), predict recurrent, moderately significant eruptions of a similar pattern in the upcoming years to decades, given the volcanic activity on Iceland during the last three years.&nbsp;</p>

<p><strong>Also read:&nbsp;<a href="https://www.wionews.com/science/lunar-standstill-illuminates-stonehenges-celestial-connections-734668">Lunar 'standstill' illuminates Stonehenge's celestial connections</a>&nbsp;</strong></p>

<p>As quoted by Eurek Alert, Valentin Troll, Professor of Petrology at Uppsala University said,&nbsp;"The study uses information from local earthquakes and geochemical data on the erupted magma through time to reveal the geological processes behind these recent Icelandic eruptions."&nbsp;</p>

<p>"A comparison of these eruptions with historical events provides strong evidence that Iceland will have to prepare and be ready for this volcanic episode to continue for some time, possibly even years to decades," added Troll, who led the study.&nbsp;</p>

<p>Iceland is known for its active volcanoes, such as Eyjafjallajökull and Katla. The researchers studied volcanoes on Iceland's Reykjanes Peninsula. A state of emergency was issued by authorities due to the Reykjanes Peninsula eruptions, which have occurred eight times since 2021.&nbsp;</p>

<p>Notably,&nbsp;Icelandic authorities said Monday (Jun&nbsp;24) that a volcanic eruption on the Reykjanes peninsula in southwestern Iceland had ended after 24 days of activity.&nbsp;</p>

<p>The Icelandic Meteorological Office (IMO) said in a statement that since June 22 "no activity has been seen in the&nbsp;crater", where in late May orange lava fountains burst out north of the fishing town of Grindavik.&nbsp;</p>

<p>The Reykjanes peninsula had not experienced an eruption for eight centuries until a March 2021 eruption, but the study suggest that this renewed activity may last long.&nbsp;</p>

<p><strong>Also read:&nbsp;<a href="https://www.wionews.com/science/hidden-antarctic-mountain-range-revealed-by-pink-sands-in-south-australia-734374">Hidden Antarctic mountain range revealed by pink sands in South Australia</a>&nbsp;</strong></p>

<h2><strong>'Pattern is likely to continue into the future'&nbsp;</strong></h2>

<p>Researchers say that the magma pool might sustain similarly-sized volcanic eruptions in the area for years or possibly decades more, hence warning authorities that the magma source is essential to the continued safety of local populations.&nbsp;</p>

<p>"Based on prior eruptive behaviour, this pattern is likely to continue into the future, posing considerable risk to the local population and to important infrastructure, such as Keflavík Airport, several geothermal power plants, the Blue Lagoon tourist spa, and population centres like Keflavík, Grindavík, and Greater Reykjavik," Troll added.</p>

<p>The study, based on geochemical and seismic evidence, said that the eruptions are fed by a shared magma reservoir located 9–12 km beneath Fagradalsfjall, not by independent sources or a bigger reservoir spanning the entire peninsula. This is the reason why scientists predict that in the upcoming years to decades, there will be frequent eruptions.&nbsp;</p>

<p><em>(With inputs from agencies)&nbsp;</em></p>


Researchers have analysed local earthquake and geochemical data to predict that Iceland's ongoing volcanic eruptions may continue on and off for years to decades.

Researchers have analysed local earthquake and geochemical data to predict that Iceland's ongoing volcanic eruptions may continue on and off for years to decades. The eruptions have threatened the country's most densely populated region and vital infrastructure. Researchers have studied these eruptions and findings of the same have been published in the scientific journal Terra Nova. The study mentioned that researchers from six universities, Uppsala University (Sweden), the University of Iceland, the Czech Academy of Sciences, Brno University of Technology (Czechia), the University of Oregon (USA) and the University of California at San Diego (USA), predict recurrent, moderately significant eruptions of a similar pattern in the upcoming years to decades, given the volcanic activity on Iceland during the last three years. Also read: Lunar 'standstill' illuminates Stonehenge's celestial connections As quoted by Eurek Alert, Valentin Troll, Professor of Petrology at Uppsala University said, "The study uses information from local earthquakes and geochemical data on the erupted magma through time to reveal the geological processes behind these recent Icelandic eruptions." "A comparison of these eruptions with historical events provides strong evidence that Iceland will have to prepare and be ready for this volcanic episode to continue for some time, possibly even years to decades," added Troll, who led the study. Iceland is known for its active volcanoes, such as Eyjafjallajökull and Katla. The researchers studied volcanoes on Iceland's Reykjanes Peninsula. A state of emergency was issued by authorities due to the Reykjanes Peninsula eruptions, which have occurred eight times since 2021. Notably, Icelandic authorities said Monday (Jun 24) that a volcanic eruption on the Reykjanes peninsula in southwestern Iceland had ended after 24 days of activity. The Icelandic Meteorological Office (IMO) said in a statement that since June 22 "no activity has been seen in the crater", where in late May orange lava fountains burst out north of the fishing town of Grindavik. The Reykjanes peninsula had not experienced an eruption for eight centuries until a March 2021 eruption, but the study suggest that this renewed activity may last long. Also read: Hidden Antarctic mountain range revealed by pink sands in South Australia 'Pattern is likely to continue into the future' Researchers say that the magma pool might sustain similarly-sized volcanic eruptions in the area for years or possibly decades more, hence warning authorities that the magma source is essential to the continued safety of local populations. "Based on prior eruptive behaviour, this pattern is likely to continue into the future, posing considerable risk to the local population and to important infrastructure, such as Keflavík Airport, several geothermal power plants, the Blue Lagoon tourist spa, and population centres like Keflavík, Grindavík, and Greater Reykjavik," Troll added. The study, based on geochemical and seismic evidence, said that the eruptions are fed by a shared magma reservoir located 9–12 km beneath Fagradalsfjall, not by independent sources or a bigger reservoir spanning the entire peninsula. This is the reason why scientists predict that in the upcoming years to decades, there will be frequent eruptions. (With inputs from agencies)

Volcanic eruptions on Iceland's Reykjanes peninsula could continue for decades: Study

<p>An entomologist Gerard Talavera while on a beach in French Guiana suddenly "saw something jumping in the sunlight.”&nbsp;“I couldn’t believe it, but it was a painted lady.”&nbsp;</p>

<p>The painted lady butterfly (Vanessa cardui), who is not found in South America, was observed by Talavera. The butterfly reached there by completing one of the longest insect migrations ever recorded by crossing the Atlantic Ocean.</p>

<p>Researchers from the University of Exeter, in collaboration with citizen scientists, have been closely monitoring the movements of painted lady butterflies. The results of their study, published in the journal Nature, reveal a truly astonishing migratory pattern.</p>

<p>Analysis of pollen on the butterflies' wings matched plants found only in West Africa, suggesting a transoceanic journey. Genetic sequencing and isotope tracing further confirmed the butterflies' origins were in Europe and Africa, ruling out that they had flown over land from North America.&nbsp;</p>

<p>Also Read |&nbsp;<a href="https://www.wionews.com/science/is-the-wind-on-earth-being-controlled-by-currents-at-the-edge-of-space-study-hints-so-735298">Is the wind on Earth being controlled by currents at the edge of space? Study hints so</a></p>

<p>Combined with favorable wind data, this provided strong evidence for the first documented case of butterflies migrating across the ocean.</p>

<h2><strong>Spanning continents&nbsp;</strong></h2>

<p>The painted lady's migration begins in the deserts of North Africa, where the butterflies breed during the spring. As the summer approaches, they embark on a northward journey, crossing the Mediterranean Sea and reaching as far as the United Kingdom and Scandinavia.</p>

<p>This remarkable feat is made even more impressive by the fact that the journey is often completed by multiple generations of butterflies, with each generation passing the baton to the next.</p>

<p>Also Read |&nbsp;<a href="https://www.wionews.com/science/alma-telescope-sheds-light-on-planet-formation-around-binary-stars-735025">ALMA telescope sheds light on planet formation around binary stars</a></p>

<p>“This is a brilliant piece of biological detective work,” said an evolutionary ecologist at the City College of New York David Lohman, who was not involved in the study. &nbsp;</p>

<p>The painted lady's migration is not only long-distance but also highly responsive to environmental conditions. The researchers found that the butterflies are able to adjust their routes and timing based on factors such as weather patterns, resource availability, and even human-induced changes in the landscape.</p>

<p><strong>Watch | Study finds AI can detect Parkinson's seven years before onset</strong></p>

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<p>The study of the painted lady's migration has important implications for conservation efforts.</p>

<p>As a highly mobile species, the painted lady is vulnerable to threats such as habitat loss, climate change and the use of pesticides. Understanding the migratory behaviour can help inform strategies to protect this&nbsp;insect and the ecosystems it supports.</p>

<p><em>(With inputs from agencies)</em></p>


An entomologist Gerard Talavera while on a beach in French Guiana suddenly "saw something jumping in the sunlight.” “I couldn’t believe it, but it was a painted lady.

An entomologist Gerard Talavera while on a beach in French Guiana suddenly "saw something jumping in the sunlight.” “I couldn’t believe it, but it was a painted lady.” The painted lady butterfly (Vanessa cardui), who is not found in South America, was observed by Talavera. The butterfly reached there by completing one of the longest insect migrations ever recorded by crossing the Atlantic Ocean. Researchers from the University of Exeter, in collaboration with citizen scientists, have been closely monitoring the movements of painted lady butterflies. The results of their study, published in the journal Nature, reveal a truly astonishing migratory pattern. Analysis of pollen on the butterflies' wings matched plants found only in West Africa, suggesting a transoceanic journey. Genetic sequencing and isotope tracing further confirmed the butterflies' origins were in Europe and Africa, ruling out that they had flown over land from North America. Also Read | Is the wind on Earth being controlled by currents at the edge of space? Study hints so Combined with favorable wind data, this provided strong evidence for the first documented case of butterflies migrating across the ocean. Spanning continents The painted lady's migration begins in the deserts of North Africa, where the butterflies breed during the spring. As the summer approaches, they embark on a northward journey, crossing the Mediterranean Sea and reaching as far as the United Kingdom and Scandinavia. This remarkable feat is made even more impressive by the fact that the journey is often completed by multiple generations of butterflies, with each generation passing the baton to the next. Also Read | ALMA telescope sheds light on planet formation around binary stars “This is a brilliant piece of biological detective work,” said an evolutionary ecologist at the City College of New York David Lohman, who was not involved in the study. The painted lady's migration is not only long-distance but also highly responsive to environmental conditions. The researchers found that the butterflies are able to adjust their routes and timing based on factors such as weather patterns, resource availability, and even human-induced changes in the landscape. Watch | Study finds AI can detect Parkinson's seven years before onset × The study of the painted lady's migration has important implications for conservation efforts. As a highly mobile species, the painted lady is vulnerable to threats such as habitat loss, climate change and the use of pesticides. Understanding the migratory behaviour can help inform strategies to protect this insect and the ecosystems it supports. (With inputs from agencies)

Painted lady butterflies defy the odds, first evidence shows it crossed an ocean

<p>In a new study, a stunning revelation was made when currents were uncovered amid the turbulence which eerily reflected the winds flowing in the Earth's atmosphere and hinted that there can be some hidden forces which connect them.</p>

<p>According to a team of researchers from the University of Rostock in Germany and Kyushu University in Japan, the new discovery can help us better understand the environmental systems which circulate around the Earth. It is also likely to improve space and Earth&nbsp;weather forecasts.&nbsp;</p>

<p>At the top of Earth’s lower atmosphere, a layer of diffuse gases is present. This makes up the troposphere and stratosphere.&nbsp;</p>

<p>Larger statistical patterns are present within the swirl of winds which can be used by scientists to figure out deep mechanics of meteorology.&nbsp;</p>

<p>Till now, the structure of the thermosphere has remained mainly unexplored.&nbsp;</p>

<p><strong>Also Read:</strong>&nbsp;<a href="https://www.wionews.com/science/elon-musks-starlink-satellites-could-deplete-earths-ozone-layer-warns-study-733305">Elon Musk's Starlink satellites could deplete Earth’s ozone layer, warns study</a></p>

<p>In the new findings, patterns have been identified that reflect similar structures which have been measured far below.</p>

<p>"This means that both the thermosphere and the troposphere – despite having drastically different atmospheric compositions and dynamics – follow the same physical laws," said space scientist Huixin Liu, from Kyushu University.</p>

<p>"How the energy flows and dissipates in these two regions is very similar,” he added.'</p>

<h2><strong>Here's how the team analysed the winds</strong></h2>

<p>To reach the study’s conclusions, the cross-track winds were analysed by the team in the thermosphere with the use of satellite data from the Challenging Minisatellite Payload and the Gravity Field and Steady State Ocean Circulation Explorer.</p>

<p>In their analysis, the researchers used third-order structure functions which are statistical tools that help spot&nbsp;patterns in winds&nbsp;and turbulence.</p>

<p>The researchers observed that even though there were different conditions in each atmosphere layer, a lot of the 'rules' remained the same.</p>

<p><strong>Watch:&nbsp;China's CHANG'E- 6 returns to Earth after collecting moon samples</strong></p>

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<p>It was also observed that the tendency of the winds to circle in one direction was the same in the thermosphere and the lower atmosphere.</p>

<p>"This suggests that similar underlying large-scale turbulence mechanisms may be at play,"&nbsp;stated the researchers in their published paper.</p>

<p>"Similar to atmospheric weather forecasting, comprehending the energy distributions in the thermosphere is vital to advance our understanding of space dynamics,"&nbsp;Liu said.</p>

<p>"We hope these findings can be used to improve space weather forecasting and ensure the continued functionality and safety of satellite-based technologies essential to everyday life," he added.</p>

<p><em>(With inputs from agencies)</em></p>


In a new study, a stunning revelation was made when currents were uncovered amid the turbulence which eerily reflected the winds flowing in the Earth's atmosphere and hinted that there can be some hidden forces which connect them.

In a new study, a stunning revelation was made when currents were uncovered amid the turbulence which eerily reflected the winds flowing in the Earth's atmosphere and hinted that there can be some hidden forces which connect them. According to a team of researchers from the University of Rostock in Germany and Kyushu University in Japan, the new discovery can help us better understand the environmental systems which circulate around the Earth. It is also likely to improve space and Earth weather forecasts. At the top of Earth’s lower atmosphere, a layer of diffuse gases is present. This makes up the troposphere and stratosphere. Larger statistical patterns are present within the swirl of winds which can be used by scientists to figure out deep mechanics of meteorology. Till now, the structure of the thermosphere has remained mainly unexplored. Also Read: Elon Musk's Starlink satellites could deplete Earth’s ozone layer, warns study In the new findings, patterns have been identified that reflect similar structures which have been measured far below. "This means that both the thermosphere and the troposphere – despite having drastically different atmospheric compositions and dynamics – follow the same physical laws," said space scientist Huixin Liu, from Kyushu University. "How the energy flows and dissipates in these two regions is very similar,” he added.' Here's how the team analysed the winds To reach the study’s conclusions, the cross-track winds were analysed by the team in the thermosphere with the use of satellite data from the Challenging Minisatellite Payload and the Gravity Field and Steady State Ocean Circulation Explorer. In their analysis, the researchers used third-order structure functions which are statistical tools that help spot patterns in winds and turbulence. The researchers observed that even though there were different conditions in each atmosphere layer, a lot of the 'rules' remained the same. Watch: China's CHANG'E- 6 returns to Earth after collecting moon samples It was also observed that the tendency of the winds to circle in one direction was the same in the thermosphere and the lower atmosphere. "This suggests that similar underlying large-scale turbulence mechanisms may be at play," stated the researchers in their published paper. "Similar to atmospheric weather forecasting, comprehending the energy distributions in the thermosphere is vital to advance our understanding of space dynamics," Liu said. "We hope these findings can be used to improve space weather forecasting and ensure the continued functionality and safety of satellite-based technologies essential to everyday life," he added. (With inputs from agencies)

Is the wind on Earth being controlled by currents at the edge of space? Study hints so

<p>The hunt for extraterrestrial life is likely to turn into a cakewalk for scientists as a new study has explained how alien activities can be easily detected using the James Webb Telescope.</p>

<p>According to the study, if a planet is modified by the aliens in their solar system to make it warmer, scientists will now be able to detect it.</p>

<p>A new study, conducted by The University of California, Riverside, has identified the artificial greenhouse gases which will help find a terraformed planet (a kind of planet which has been artificially modified to be hospitable for life).</p>

<p>In the study, the gases described are fluorinated versions of methane, ethane, and propane, along with gases which have a mixture of nitrogen and fluorine or sulfur and fluorine. These gases can be detected with the use of existing technology in the atmospheres of planets which are outside our solar system.</p>

<p><strong>Also Read:</strong>&nbsp;<a href="https://www.wionews.com/science/warp-drives-may-reveal-alien-civilisations-by-sending-gravitational-waves-through-universe-734413">Warp drives may reveal alien civilisations by sending gravitational waves through universe</a></p>

<p>The finding of gases which hint at extraterrestrial existence has also increased the possibility of the&nbsp;James Webb Space Telescope spotting an alien civilisation one day.</p>

<h2><strong>How fluorinated gases will make alien detection easy on James Webb telescope?</strong></h2>

<p>The gases, in large volumes, will act as pollutants if present on Earth. The warming power in Sulfur hexafluoride is 23,500 times in comparison to carbon dioxide. A freezing planet can be heated by the presence of a small amount of this gas to the point of creating liquid water persistently.</p>

<p>Scientists have also found potential reasons for these gases getting used by the extraterrestrials on an exoplanet.</p>

<p>Lead author of the study and astrobiologist Edward Schwieterman said, “[They’d] be good for a civilization that perhaps wanted to forestall an impending ice age or terraform an otherwise uninhabitable planet in their system, as humans have proposed for&nbsp;Mars."</p>

<p>Since these gases do not occur in large quantities naturally, they need to be manufactured. If the gases are found, they will hint at the existence of intelligent, technology-using life forms.&nbsp;</p>

<p><strong>Watch:&nbsp;Study: Secret aliens could be here on Earth already</strong></p>

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<p>The gases are able to exist for longer duration and are capable of existing for up to 50,000 years on Earth-like atmospheres.&nbsp;</p>

<p>The gases can be very useful to the James Webb telescope as an infrared signature will be produced from the fluorinated gases on terraformed planets.&nbsp;</p>

<p>Scientists have not been able to quantify the likelihood of finding these gases in future, however, there is a possibility of detecting them during currently planned missions.</p>

<p>“You wouldn’t need extra effort to look for these signs, if your telescope is already characterising the planet for other reasons. And it would be jaw-droppingly amazing to find them," said Schwieterman.&nbsp;</p>

<p><em>(With inputs from agencies)</em></p>


The hunt for extraterrestrial life is likely to turn into a cakewalk for scientists as a new study has explained how alien activities can be easily detected using the James Webb Telescope.

The hunt for extraterrestrial life is likely to turn into a cakewalk for scientists as a new study has explained how alien activities can be easily detected using the James Webb Telescope. According to the study, if a planet is modified by the aliens in their solar system to make it warmer, scientists will now be able to detect it. A new study, conducted by The University of California, Riverside, has identified the artificial greenhouse gases which will help find a terraformed planet (a kind of planet which has been artificially modified to be hospitable for life). In the study, the gases described are fluorinated versions of methane, ethane, and propane, along with gases which have a mixture of nitrogen and fluorine or sulfur and fluorine. These gases can be detected with the use of existing technology in the atmospheres of planets which are outside our solar system. Also Read: Warp drives may reveal alien civilisations by sending gravitational waves through universe The finding of gases which hint at extraterrestrial existence has also increased the possibility of the James Webb Space Telescope spotting an alien civilisation one day. How fluorinated gases will make alien detection easy on James Webb telescope? The gases, in large volumes, will act as pollutants if present on Earth. The warming power in Sulfur hexafluoride is 23,500 times in comparison to carbon dioxide. A freezing planet can be heated by the presence of a small amount of this gas to the point of creating liquid water persistently. Scientists have also found potential reasons for these gases getting used by the extraterrestrials on an exoplanet. Lead author of the study and astrobiologist Edward Schwieterman said, “[They’d] be good for a civilization that perhaps wanted to forestall an impending ice age or terraform an otherwise uninhabitable planet in their system, as humans have proposed for Mars." Since these gases do not occur in large quantities naturally, they need to be manufactured. If the gases are found, they will hint at the existence of intelligent, technology-using life forms. Watch: Study: Secret aliens could be here on Earth already The gases are able to exist for longer duration and are capable of existing for up to 50,000 years on Earth-like atmospheres. The gases can be very useful to the James Webb telescope as an infrared signature will be produced from the fluorinated gases on terraformed planets. Scientists have not been able to quantify the likelihood of finding these gases in future, however, there is a possibility of detecting them during currently planned missions. “You wouldn’t need extra effort to look for these signs, if your telescope is already characterising the planet for other reasons. And it would be jaw-droppingly amazing to find them," said Schwieterman. (With inputs from agencies)

James Webb to ease hunt for extraterrestrial life, help spot alien activity

<p>If astronomers succeed in discovering the elusive Planet Nine, a hypothetical world believed to be lurking in the outer reaches of our solar system, sending a spacecraft to visit this distant world would be an immense challenge.</p>

<p>The journey to Planet Nine, if it exists, would take decades using current technology.</p>

<p>Some experts reportedly estimated that a probe could potentially reach Planet Nine in as little as 20 years using a carefully planned trajectory that involves gravity assists from the outer planets to gain speed.</p>

<p>Also Read |&nbsp;<a href="https://www.wionews.com/science/alma-telescope-sheds-light-on-planet-formation-around-binary-stars-735025">ALMA telescope sheds light on planet formation around binary stars</a></p>

<p>"I am confident that in the far future, humans will be able to visit Planet Nine," said Andreas Hein, a space systems engineer at the University of Luxembourg.</p>

<p>But it would not be possible with today's propulsion systems, which are simply not powerful enough to make the journey in a reasonable timeframe.</p>

<h2><strong>Obstacles in reaching Planet Nine&nbsp;</strong></h2>

<p>The main obstacle is the vast distance to Planet Nine.</p>

<p>If it exists, the planet is estimated to orbit the Sun at a distance of 400 to 800 times farther than Earth, or 13 to 26 times beyond the orbit of Neptune. At such extreme distances, even small changes in velocity make a big difference in travel time.</p>

<p><strong>Also Read |</strong>&nbsp;<a href="https://www.wionews.com/science/chinas-change-6-mission-returns-to-earth-with-rare-sample-from-moons-far-side-734867">China's Chang’e-6 mission returns to Earth with rare sample from Moon's far side</a></p>

<p>Sending a spacecraft to Planet Nine would require advances in propulsion technology, such as nuclear thermal rockets or even more exotic concepts like laser sails that use powerful lasers to propel lightweight craft.</p>

<p>A study published in 2022 suggested that a light sail could potentially reach Planet Nine in as little as seven years, but the researchers estimated it would take at least 20 years for this technology to become practical.</p>

<p><strong>Watch | Study finds AI can detect Parkinson's seven years before onset</strong></p>

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<p>In the meantime, astronomers are racing to confirm the existence of Planet Nine using powerful new telescopes like the Vera C Rubin Observatory in Chile, which is scheduled to begin operations in late 2025.</p>

<p>If Planet Nine is detected, it would likely take at least a decade or more for space agencies to plan and approve a mission to visit it.</p>

<p><em>(With inputs from agencies)</em></p>


If astronomers succeed in discovering the elusive Planet Nine, a hypothetical world believed to be lurking in the outer reaches of our solar system, sending a spacecraft to visit this distant world would be an immense challenge.

If astronomers succeed in discovering the elusive Planet Nine, a hypothetical world believed to be lurking in the outer reaches of our solar system, sending a spacecraft to visit this distant world would be an immense challenge. The journey to Planet Nine, if it exists, would take decades using current technology. Some experts reportedly estimated that a probe could potentially reach Planet Nine in as little as 20 years using a carefully planned trajectory that involves gravity assists from the outer planets to gain speed. Also Read | ALMA telescope sheds light on planet formation around binary stars "I am confident that in the far future, humans will be able to visit Planet Nine," said Andreas Hein, a space systems engineer at the University of Luxembourg. But it would not be possible with today's propulsion systems, which are simply not powerful enough to make the journey in a reasonable timeframe. Obstacles in reaching Planet Nine The main obstacle is the vast distance to Planet Nine. If it exists, the planet is estimated to orbit the Sun at a distance of 400 to 800 times farther than Earth, or 13 to 26 times beyond the orbit of Neptune. At such extreme distances, even small changes in velocity make a big difference in travel time. Also Read | China's Chang’e-6 mission returns to Earth with rare sample from Moon's far side Sending a spacecraft to Planet Nine would require advances in propulsion technology, such as nuclear thermal rockets or even more exotic concepts like laser sails that use powerful lasers to propel lightweight craft. A study published in 2022 suggested that a light sail could potentially reach Planet Nine in as little as seven years, but the researchers estimated it would take at least 20 years for this technology to become practical. Watch | Study finds AI can detect Parkinson's seven years before onset × In the meantime, astronomers are racing to confirm the existence of Planet Nine using powerful new telescopes like the Vera C Rubin Observatory in Chile, which is scheduled to begin operations in late 2025. If Planet Nine is detected, it would likely take at least a decade or more for space agencies to plan and approve a mission to visit it. (With inputs from agencies)

Planet Nine: How challenging is the journey to edge of Solar System?

<p>Epilepsy, an incurable neurological condition, affects over 50 million people worldwide. Although 70 per cent of people with epilepsy manage to get by with medication and surgeries, the disease prevails as a great neurological tribulation for others with severe symptoms. But a recent trial offers new hope.</p>

<p>In world first, a 13-year-old British boy with severe epilepsy trialled a new brain implant fitted in the skull aimed at bringing seizures under control.&nbsp;</p>

<p>Sending electrical signals deep into his brain, the neurotransmitter has reduced Oran Knowlson’s daytime seizures by 80 per cent, as per a BBC report.</p>

<p>Oran had developed Lennox-Gastaut syndrome, a treatment-resistant form of epilepsy, at the tender age of three years, anguishing with dozens to hundreds of seizures each day throughout his life.</p>

<p>Sometimes, the seizures would take an appalling turn, where he fell to the ground, shook violently, and lost consciousness. At times, he would cease to breathe and require emergency medication to resuscitate him.</p>

<p>After an eight-hour-long surgery to implant the neurotransmitter in Oran’s skull in October 2023 as part of a trial at Great Ormond Street Hospital in London, the boy’s life began to change for the better.</p>

<h2>How the skull-fitted neurotransmitter works</h2>

<p>Epilepsy seizures are triggered by abnormal bursts of electrical activity in the brain.</p>

<p>By emitting a constant pulse of current, the device aims to block or disrupt the abnormal signals.</p>

<p>After two electrodes were inserted deep into Oran’s brain, the 3.5cm square and 0.6cm thick neurotransmitter was placed in a gap in Oran’s skull where the bone had been removed and was anchored into place.</p>

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<p>After a month of recovering from the operation, the neurotransmitter was turned on.&nbsp;</p>

<p>Oran cannot feel the device when turned on, and can recharge it every day via wireless headphones, while enjoying activities he likes to do, such as watching TV.</p>

<p>‘Dramatical improvement in his seizures, quality of life…’</p>

<p>Seven months after the surgery, his mother, Justine told the BBC that there had been a massive improvement in Oran’s epilepsy: he was happier, “more alert” with “no drop seizures during the day”, and had a “much better quality of life”. His night-time seizures were also "shorter and less severe".</p>

<p>As part of the trial, three more children with Lennox-Gastaut syndrome will be fitted with the deep brain neurostimulator.</p>

<p>Although deep brain stimulation has been tried before for childhood epilepsy, the procedure was fraught with the risks of infections after the surgery and the device failing, as neurotransmitters were placed in the chest with wires running up to the brain.&nbsp;</p>

<p>In the future, the trial team plans to make the neurotransmitter respond in real-time to brain activity, in order to block seizures before they happen.</p>

<p><em>(With inputs from agencies)</em></p>


Epilepsy, an incurable neurological condition, affects over 50 million people worldwide. Although 70 per cent of people with epilepsy manage to get by with medication and surgeries, the disease prevails as a great neurological tribulation for others with severe symptoms.

Epilepsy, an incurable neurological condition, affects over 50 million people worldwide. Although 70 per cent of people with epilepsy manage to get by with medication and surgeries, the disease prevails as a great neurological tribulation for others with severe symptoms. But a recent trial offers new hope. In world first, a 13-year-old British boy with severe epilepsy trialled a new brain implant fitted in the skull aimed at bringing seizures under control. Sending electrical signals deep into his brain, the neurotransmitter has reduced Oran Knowlson’s daytime seizures by 80 per cent, as per a BBC report. Oran had developed Lennox-Gastaut syndrome, a treatment-resistant form of epilepsy, at the tender age of three years, anguishing with dozens to hundreds of seizures each day throughout his life. Sometimes, the seizures would take an appalling turn, where he fell to the ground, shook violently, and lost consciousness. At times, he would cease to breathe and require emergency medication to resuscitate him. After an eight-hour-long surgery to implant the neurotransmitter in Oran’s skull in October 2023 as part of a trial at Great Ormond Street Hospital in London, the boy’s life began to change for the better. How the skull-fitted neurotransmitter works Epilepsy seizures are triggered by abnormal bursts of electrical activity in the brain. By emitting a constant pulse of current, the device aims to block or disrupt the abnormal signals. After two electrodes were inserted deep into Oran’s brain, the 3.5cm square and 0.6cm thick neurotransmitter was placed in a gap in Oran’s skull where the bone had been removed and was anchored into place. Also read: Researchers finally discover enzyme that can slow ageing and boost health After a month of recovering from the operation, the neurotransmitter was turned on. Oran cannot feel the device when turned on, and can recharge it every day via wireless headphones, while enjoying activities he likes to do, such as watching TV. ‘Dramatical improvement in his seizures, quality of life…’ Seven months after the surgery, his mother, Justine told the BBC that there had been a massive improvement in Oran’s epilepsy: he was happier, “more alert” with “no drop seizures during the day”, and had a “much better quality of life”. His night-time seizures were also "shorter and less severe". As part of the trial, three more children with Lennox-Gastaut syndrome will be fitted with the deep brain neurostimulator. Although deep brain stimulation has been tried before for childhood epilepsy, the procedure was fraught with the risks of infections after the surgery and the device failing, as neurotransmitters were placed in the chest with wires running up to the brain. In the future, the trial team plans to make the neurotransmitter respond in real-time to brain activity, in order to block seizures before they happen. (With inputs from agencies)

Epilepsy device implanted in UK boy’s skull reduces daytime seizures by 80 per cent

<p>Using the powerful Atacama Large Millimeter/submillimeter Array (ALMA) telescope, astronomers have gained new insights into how planets form around binary star systems, where two stars orbit a common centre of mass.</p>

<p>The study, presented at the 244th meeting of the American Astronomical Society, focused on two binary systems - F.O Tau and D.F. Tau.</p>

<p>By analysing the disks of gas and dust surrounding these young stars, which are the raw material for planet formation, the researchers uncovered key differences between the two systems that could impact their ability to form planets.</p>

<p><strong>Also Read |&nbsp;</strong><a href="https://www.wionews.com/science/chinas-change-6-mission-returns-to-earth-with-rare-sample-from-moons-far-side-734867">China's Chang’e-6 mission returns to Earth with rare sample from Moon's far side</a></p>

<p>In the case of F.O Tau, the astronomers found that the circumstellar disks, disks surrounding individual stars, are aligned with the orbit of the binary pair.</p>

<p>Both stars in this system exhibit relatively slow rotational speeds, and their disks remain magnetically locked to their parent stars.</p>

<p><strong>Also Read |</strong>&nbsp;<a href="https://www.wionews.com/science/worlds-first-skull-implanted-epilepsy-device-transforms-uk-boys-life-reduces-daytime-seizures-by-80-percent-734784">Epilepsy device implanted in UK boy’s skull reduces daytime seizures by 80 per cent</a></p>

<p>This suggested that systems like F.O Tau, with slower stellar rotation and more circular orbits, may be more conducive to the formation of planets around both stars compared to binary systems with faster rotation and elongated orbits.</p>

<p>Previous ALMA observations of other single and binary star systems have revealed intricate substructures within the disks, such as spiral patterns, gaps and ring formations.</p>

<section>
<p><strong>Watch |&nbsp;<a href="https://www.wionews.com/videos/europe-airport-pollution-a-health-hazard-can-living-near-airport-makes-you-ill-734996">Europe: Airport pollution a health hazard, can living near airport makes you ill?</a></strong></p>

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<p>The findings&nbsp;represented an important step forward in understanding the conditions that can either nurture or inhibit planet formation in binary systems.</p>
</section>

<p>Binary stars are quite common in the universe, with over 50 per cent of stars having a companion.</p>

<p>Planets can form around these systems in either circumstellar orbits (around one star) or circumbinary orbits (around both stars).</p>

<p>Understanding the factors that influence planet formation in these environments is crucial for expanding our knowledge of planetary systems beyond our own solar system.</p>

<p>The Square Kilometer Array (SKA), a next-generation radio telescope currently under construction in South Africa and Australia, is expected to further advance our understanding of planet formation around binary stars when it becomes operational in the coming years.</p>

<p><em>(With inputs from agencies)</em></p>


Using the powerful Atacama Large Millimeter/submillimeter Array (ALMA) telescope, astronomers have gained new insights into how planets form around binary star systems, where two stars orbit a common centre of mass.

Using the powerful Atacama Large Millimeter/submillimeter Array (ALMA) telescope, astronomers have gained new insights into how planets form around binary star systems, where two stars orbit a common centre of mass. The study, presented at the 244th meeting of the American Astronomical Society, focused on two binary systems - F.O Tau and D.F. Tau. By analysing the disks of gas and dust surrounding these young stars, which are the raw material for planet formation, the researchers uncovered key differences between the two systems that could impact their ability to form planets. Also Read | China's Chang’e-6 mission returns to Earth with rare sample from Moon's far side In the case of F.O Tau, the astronomers found that the circumstellar disks, disks surrounding individual stars, are aligned with the orbit of the binary pair. Both stars in this system exhibit relatively slow rotational speeds, and their disks remain magnetically locked to their parent stars. Also Read | Epilepsy device implanted in UK boy’s skull reduces daytime seizures by 80 per cent This suggested that systems like F.O Tau, with slower stellar rotation and more circular orbits, may be more conducive to the formation of planets around both stars compared to binary systems with faster rotation and elongated orbits. Previous ALMA observations of other single and binary star systems have revealed intricate substructures within the disks, such as spiral patterns, gaps and ring formations. Watch | Europe: Airport pollution a health hazard, can living near airport makes you ill? × The findings represented an important step forward in understanding the conditions that can either nurture or inhibit planet formation in binary systems. Binary stars are quite common in the universe, with over 50 per cent of stars having a companion. Planets can form around these systems in either circumstellar orbits (around one star) or circumbinary orbits (around both stars). Understanding the factors that influence planet formation in these environments is crucial for expanding our knowledge of planetary systems beyond our own solar system. The Square Kilometer Array (SKA), a next-generation radio telescope currently under construction in South Africa and Australia, is expected to further advance our understanding of planet formation around binary stars when it becomes operational in the coming years. (With inputs from agencies)

ALMA telescope sheds light on planet formation around binary stars

<p>China's Chang’e-6 lunar mission returned to Earth on Tuesday (Jun 25), carrying first-ever samples from the far side of the Moon. The mission landed in China’s northern Inner Mongolia region just after 2 pm local time.</p>

<p>Chinese leader Xi Jinping has hailed the historic mission as the country's “eternal dream” as Beijing aspires to become a dominating space power and ramp up exploration programmes.</p>

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<p>As per reports, the mission is understood to have returned with up to 2 kilogrammes of moon dust and rocks. The sample will be first analysed by scientists in China and later will be made available to international researchers.</p>

<h2><strong>Chang'e-6 mission faced extreme conditions</strong></h2>

<p>According to the China National Space Administration (CNSA), the Chang'e-6 managed to endure high temperatures during its mission on the far side of the moon.</p>

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<p>Chang'e-6 "withstood the test of high temperature on the far side of the moon," said the space agency.</p>

<h2><strong>The operational challenges</strong></h2>

<p>Unlike the previous Chang'e-5 mission, which collected samples from the moon's near side, Chang'e-6 operated under additional technical challenges — the probe had to operate without direct links to Earth.&nbsp;</p>

<p>Instead, it communicated through the Queqiao-2 satellite, launched in April to aid this mission.</p>

<p>Using a drill and a robotic arm, the Chang'e-6 probe collected soil from the moon's surface.</p>

<p>The mission also hoisted and planted China's national flag on the dark side of the moon.</p>


China's Chang’e-6 lunar mission returned to Earth on Tuesday (Jun 25), carrying first-ever samples from the far side of the Moon. The mission landed in China’s northern Inner Mongolia region just after 2 pm local time.

China's Chang’e-6 lunar mission returned to Earth on Tuesday (Jun 25), carrying first-ever samples from the far side of the Moon. The mission landed in China’s northern Inner Mongolia region just after 2 pm local time. Chinese leader Xi Jinping has hailed the historic mission as the country's “eternal dream” as Beijing aspires to become a dominating space power and ramp up exploration programmes. Also read: After acing three autonomous landings, India`s `Pushpak` plane awaits ride to space As per reports, the mission is understood to have returned with up to 2 kilogrammes of moon dust and rocks. The sample will be first analysed by scientists in China and later will be made available to international researchers. Chang'e-6 mission faced extreme conditions According to the China National Space Administration (CNSA), the Chang'e-6 managed to endure high temperatures during its mission on the far side of the moon. Also read: China, France launch powerful satellite for studying star explosions Chang'e-6 "withstood the test of high temperature on the far side of the moon," said the space agency. The operational challenges Unlike the previous Chang'e-5 mission, which collected samples from the moon's near side, Chang'e-6 operated under additional technical challenges — the probe had to operate without direct links to Earth. Instead, it communicated through the Queqiao-2 satellite, launched in April to aid this mission. Using a drill and a robotic arm, the Chang'e-6 probe collected soil from the moon's surface. The mission also hoisted and planted China's national flag on the dark side of the moon.

China's Chang’e-6 mission returns to Earth with rare sample from Moon's far side

<p>Scientists in China have identified a gene that could enhance resistance to obesity, potentially unraveling the complex mechanisms behind this global health issue.</p>

<p>Obesity is associated with numerous serious health conditions, including cardiovascular diseases and type 2 diabetes.</p>

<p>As medical research progresses, humanity's understanding&nbsp;of obesity and its health implications continues to grow.</p>

<p>While diet and lifestyle factors are crucial, a recent study led by Professor Jin Li and Associate Professor Zheng Hongxiang from Fudan University points to the&nbsp;role of genetics in determining the intensity of obesity.</p>

<p>The team analysed 2,877 samples from three independent populations in Guangxi, Jiangsu, and Henan.</p>

<p>Their findings were published in the peer-reviewed Journal of Genetics and Genomics.</p>

<h2><strong>Genetics and Obesity: What is the link?</strong></h2>

<p>The study identified a type of mitochondrial DNA prevalent in southern China and Southeast Asia that appears to protect against obesity.</p>

<p>"Mitochondria are often referred to as the cell’s powerhouses, generating 80 to 90 percent of the energy needed for various human behaviors. Mitochondrial function has long been associated with obesity," Jin wrote.</p>

<p><strong>Also read |&nbsp;<a href="https://www.wionews.com/science/does-obesity-really-increase-risk-of-dementia-or-is-it-the-opposite-718061">Does obesity really increase risk of dementia or is it the opposite?</a></strong></p>

<p>Unlike nuclear DNA, inherited from both parents, mitochondrial DNA is passed down only from the mother and is more prone to genetic mutations.</p>

<p>Jin and his colleagues performed association analyses of 16 basal mitochondrial DNA haplogroups, genetic families tracing back to a common ancestor.</p>

<p>They discovered that a specific variant group, M7, consistently correlated with a reduced risk of obesity.</p>

<p>Further analysis pinpointed the M7b1a1 subgroup as its most likely source.</p>

<p><strong>Also watch |&nbsp;Obesity fuelling 32 types of cancer: Research</strong></p>

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<p>A 2019 study by Professor Kong Qingpeng from the Chinese Academy of Sciences, published in Molecular Biology and Evolution, revealed that M7b1a1 is primarily found in southern China and mainland Southeast Asia, with significant frequencies among southern Han Chinese individuals, ranging from 5 to 14 per cent.</p>

<p>Jin suggested that reduced mitochondrial function might explain why M7b1a1 lowers obesity risk.</p>

<p>"Decreased mitochondrial functions represent less energy conservation and more heat production, which could result in less weight gain," he wrote.</p>

<p>"Our findings offer new insights into the genetic basis of obesity-related traits, enhancing our understanding of how genetics can influence body fat distribution and obesity risk," Jin concluded.</p>


Scientists in China have identified a gene that could enhance resistance to obesity, potentially unraveling the complex mechanisms behind this global health issue.

Scientists in China have identified a gene that could enhance resistance to obesity, potentially unraveling the complex mechanisms behind this global health issue. Obesity is associated with numerous serious health conditions, including cardiovascular diseases and type 2 diabetes. As medical research progresses, humanity's understanding of obesity and its health implications continues to grow. While diet and lifestyle factors are crucial, a recent study led by Professor Jin Li and Associate Professor Zheng Hongxiang from Fudan University points to the role of genetics in determining the intensity of obesity. The team analysed 2,877 samples from three independent populations in Guangxi, Jiangsu, and Henan. Their findings were published in the peer-reviewed Journal of Genetics and Genomics. Genetics and Obesity: What is the link? The study identified a type of mitochondrial DNA prevalent in southern China and Southeast Asia that appears to protect against obesity. "Mitochondria are often referred to as the cell’s powerhouses, generating 80 to 90 percent of the energy needed for various human behaviors. Mitochondrial function has long been associated with obesity," Jin wrote. Also read | Does obesity really increase risk of dementia or is it the opposite? Unlike nuclear DNA, inherited from both parents, mitochondrial DNA is passed down only from the mother and is more prone to genetic mutations. Jin and his colleagues performed association analyses of 16 basal mitochondrial DNA haplogroups, genetic families tracing back to a common ancestor. They discovered that a specific variant group, M7, consistently correlated with a reduced risk of obesity. Further analysis pinpointed the M7b1a1 subgroup as its most likely source. Also watch | Obesity fuelling 32 types of cancer: Research × A 2019 study by Professor Kong Qingpeng from the Chinese Academy of Sciences, published in Molecular Biology and Evolution, revealed that M7b1a1 is primarily found in southern China and mainland Southeast Asia, with significant frequencies among southern Han Chinese individuals, ranging from 5 to 14 per cent. Jin suggested that reduced mitochondrial function might explain why M7b1a1 lowers obesity risk. "Decreased mitochondrial functions represent less energy conservation and more heat production, which could result in less weight gain," he wrote. "Our findings offer new insights into the genetic basis of obesity-related traits, enhancing our understanding of how genetics can influence body fat distribution and obesity risk," Jin concluded.

Scientists discover mitochondria's role in reducing obesity

<p>The Starliner rocket that carried two astronauts to the International Space Station is now stuck in space&nbsp;and its return to Earth has been postponed until at least July 2. A report has emerged saying that the US space agency NASA knew before the launch of a helium leak but it was deemed too minor to pose a safety risk. The situation worsened as the spacecraft developed four additional helium leaks after it reached the orbit, rendering one thruster unusable. It means that the return trip of astronauts Butch Wilmore and Sunita Williams will not materialise unless all safety checks have been done.</p>

<p><strong>Watch:&nbsp;Gravitas: NASA scientists fix Voyager 1 from 30 billion kilometres away</strong></p>

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<p>CBS reported that NASA will further analyse and review the leaks and the thruster. The US space agency will conduct re-entry tests before determining the next return date. The report said the delay in return is unlikely to extend beyond July 2.</p>

<h2><strong>Are Butch Wilmore and Sunita Williams safe?</strong></h2>

<p>Amid all speculations and rumours, NASA has stressed that both astronauts in the spacecraft are safe and not stranded. They are cleared to undock and return home at any time if any malfunction or problem arises.</p>

<p>But the situation might not be that easy for Boeing officials on Earth. The Starliner fiasco comes as salt into the company's wounds, as it is already facing criticism for high-profile malfunctions of its planes over the past year.</p>

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<p>At least 20 whistleblowers have highlighted issues with the company's safety and quality standards and expressed concerns.</p>

<h2><strong>NASA 'taking its time' </strong></h2>

<p>Steve Stich, manager of NASA's Commercial Crew Program, said, "We are taking our time and following our standard mission management team process."</p>

<p>He said they make decisions based on data. They will do a review at the agency level like they did before when NASA's SpaceX Demo-2 mission returned from space after two months.</p>

<p><em>(With inputs from agencies)</em></p>


The Starliner rocket that carried two astronauts to the International Space Station is now stuck in space and its return to Earth has been postponed until at least July 2.

The Starliner rocket that carried two astronauts to the International Space Station is now stuck in space and its return to Earth has been postponed until at least July 2. A report has emerged saying that the US space agency NASA knew before the launch of a helium leak but it was deemed too minor to pose a safety risk. The situation worsened as the spacecraft developed four additional helium leaks after it reached the orbit, rendering one thruster unusable. It means that the return trip of astronauts Butch Wilmore and Sunita Williams will not materialise unless all safety checks have been done. Watch: Gravitas: NASA scientists fix Voyager 1 from 30 billion kilometres away × CBS reported that NASA will further analyse and review the leaks and the thruster. The US space agency will conduct re-entry tests before determining the next return date. The report said the delay in return is unlikely to extend beyond July 2. Are Butch Wilmore and Sunita Williams safe? Amid all speculations and rumours, NASA has stressed that both astronauts in the spacecraft are safe and not stranded. They are cleared to undock and return home at any time if any malfunction or problem arises. But the situation might not be that easy for Boeing officials on Earth. The Starliner fiasco comes as salt into the company's wounds, as it is already facing criticism for high-profile malfunctions of its planes over the past year. Also read: NASA`s HiRISE camera captures image of phobos, Mars` `space potato` Moon At least 20 whistleblowers have highlighted issues with the company's safety and quality standards and expressed concerns. NASA 'taking its time' Steve Stich, manager of NASA's Commercial Crew Program, said, "We are taking our time and following our standard mission management team process." He said they make decisions based on data. They will do a review at the agency level like they did before when NASA's SpaceX Demo-2 mission returned from space after two months. (With inputs from agencies)

NASA ignored helium leak before Starliner launch, leaving astronauts now stuck in space

<p>A rare astronomical event known as a "major lunar standstill" is providing researchers with a unique opportunity to investigate the potential lunar alignments of the ancient monument of Stonehenge.&nbsp;</p>

<p>Every 18.6 years, the moon reaches its most extreme positions on the horizon, leading to an extended presence in the night sky.</p>

<p>This year's major lunar standstill coincides with the summer solstice while creating a celestial spectacle that has captivated scientists and sky enthusiasts alike.&nbsp;</p>

<p>Researchers from institutions like the University of Oxford, University of Leicester, and the Royal Astronomical Society are now focusing their attention on Stonehenge and exploring whether the iconic stone circle was intentionally designed to align with the moon's movements during this lunar event.&nbsp;</p>

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<p>Evidence suggested&nbsp;that while Stonehenge is renowned for its solar alignments, the monument may also have had a strong connection to the moon.</p>

<p>Archaeologists have discovered that the site's "Station Stones" - a set of four sarsen stones arranged in a rectangle - appear to be aligned with the southernmost moonrise during a major lunar standstill.&nbsp;</p>

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<p>"Stonehenge's architectural connection to the Sun is well known, but its link with the Moon is less well understood," said Clive Ruggles, professor emeritus of archaeoastronomy at the University of Leicester.</p>

<p>"The four Station Stones align with the Moon's extreme positions, and researchers have debated for years whether this was deliberate and, if so, what might have been its purpose."</p>

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<h2><strong>'Standstill season'</strong></h2>

<p>Throughout the "standstill season" from 2024 to 2025, scientists will gather at Stonehenge to document the moon's alignment with the site's features and will aim to gain insights into the historical significance and visual impacts of this celestial phenomenon.</p>

<p>The public will also have the opportunity to witness and engage with the research, as English Heritage plans to livestream the southernmost moonrise at Stonehenge in June 2024 and will also host a talks, a pop-up planetarium and stargazing sessions.&nbsp;</p>

<p><em>(With inputs from agencies)</em></p>


A rare astronomical event known as a "major lunar standstill" is providing researchers with a unique opportunity to investigate the potential lunar alignments of the ancient monument of Stonehenge.

A rare astronomical event known as a "major lunar standstill" is providing researchers with a unique opportunity to investigate the potential lunar alignments of the ancient monument of Stonehenge. Every 18.6 years, the moon reaches its most extreme positions on the horizon, leading to an extended presence in the night sky. This year's major lunar standstill coincides with the summer solstice while creating a celestial spectacle that has captivated scientists and sky enthusiasts alike. Researchers from institutions like the University of Oxford, University of Leicester, and the Royal Astronomical Society are now focusing their attention on Stonehenge and exploring whether the iconic stone circle was intentionally designed to align with the moon's movements during this lunar event. Also Read | Gray whales shrinking in size along the Pacific Northwest coast Evidence suggested that while Stonehenge is renowned for its solar alignments, the monument may also have had a strong connection to the moon. Archaeologists have discovered that the site's "Station Stones" - a set of four sarsen stones arranged in a rectangle - appear to be aligned with the southernmost moonrise during a major lunar standstill. Also Read | Researchers finally discover enzyme that can slow ageing and boost health "Stonehenge's architectural connection to the Sun is well known, but its link with the Moon is less well understood," said Clive Ruggles, professor emeritus of archaeoastronomy at the University of Leicester. "The four Station Stones align with the Moon's extreme positions, and researchers have debated for years whether this was deliberate and, if so, what might have been its purpose." Watch | China-developed AI apps gain foothold in US | Should kids use AI to do homework? × 'Standstill season' Throughout the "standstill season" from 2024 to 2025, scientists will gather at Stonehenge to document the moon's alignment with the site's features and will aim to gain insights into the historical significance and visual impacts of this celestial phenomenon. The public will also have the opportunity to witness and engage with the research, as English Heritage plans to livestream the southernmost moonrise at Stonehenge in June 2024 and will also host a talks, a pop-up planetarium and stargazing sessions. (With inputs from agencies)

Lunar 'standstill' illuminates Stonehenge's celestial connections

<p>A concerning trend has emerged among gray whales that frequent the Pacific Northwest coast - they have been shrinking in size over the past 20-30 years.</p>

<p>A new study led by researchers at Oregon State University has found that gray whales in this region have decreased in body length by an average of 13 per cent since around the year 2000.</p>

<p>The study focused on a subgroup of around 200 gray whales known as the Pacific Coast Feeding Group (PCFG), which spends its summers feeding in the warmer, shallower waters along the Oregon coast rather than migrating to the Arctic like the majority of the Eastern North Pacific (ENP) gray whale population of 14,500.</p>

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<p>Researchers from OSU's Marine Mammal Institute have been studying this PCFG subgroup since 2016, using drones to measure the whales' size. They found that a gray whale born in 2020 is expected to reach an adult body length about 1.65 metres (5.5 feet) shorter than a whale born prior to 2000. This represents over a 13 per cent decrease in the total length of these whales, which typically grow to 38 to 41 feet long.</p>

<p>"This could be an early warning sign that the abundance of this population is starting to decline, or is not healthy," said co-author of the study and an assistant professor at OSU KC Bierlich. "And whales are considered ecosystem sentinels, so if the whale population isn't doing well, that might say a lot about the environment itself."</p>

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<p>The researchers believe this shrinking size could have cascading negative effects on the whales' health and reproduction.&nbsp;</p>

<p><strong>Watch | Study: Secret aliens could be here on Earth already</strong></p>

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<p>The study also examined changes in ocean upwelling and relaxation patterns, which influence the availability of the whales' prey. The decline in whale size coincided with shifts in these oceanographic cycles, which the researchers suspect may be linked to climate change impacts on wind and temperature in the Northeast Pacific.</p>

<p>"Without a balance between upwelling and relaxation, the ecosystem may not be able to produce enough prey to support the large size of these gray whales," said co-author Leigh Torres, director of OSU's GEMM Lab.</p>

<p>Researchers are now focused on further investigating the environmental drivers behind the shrinking size of the PCFG gray whales, in order to understand the broader implications for the health of this population and the broader marine ecosystem.</p>

<p><em>(With inputs from agencies)</em></p>


A concerning trend has emerged among gray whales that frequent the Pacific Northwest coast - they have been shrinking in size over the past 20-30 years. A new study led by researchers at Oregon State University has found that gray whales in this region have decreased in body length by an average of 13 per cent since around the year 2000.

A concerning trend has emerged among gray whales that frequent the Pacific Northwest coast - they have been shrinking in size over the past 20-30 years. A new study led by researchers at Oregon State University has found that gray whales in this region have decreased in body length by an average of 13 per cent since around the year 2000. The study focused on a subgroup of around 200 gray whales known as the Pacific Coast Feeding Group (PCFG), which spends its summers feeding in the warmer, shallower waters along the Oregon coast rather than migrating to the Arctic like the majority of the Eastern North Pacific (ENP) gray whale population of 14,500. Also Read | Researchers finally discover enzyme that can slow ageing and boost health Researchers from OSU's Marine Mammal Institute have been studying this PCFG subgroup since 2016, using drones to measure the whales' size. They found that a gray whale born in 2020 is expected to reach an adult body length about 1.65 metres (5.5 feet) shorter than a whale born prior to 2000. This represents over a 13 per cent decrease in the total length of these whales, which typically grow to 38 to 41 feet long. "This could be an early warning sign that the abundance of this population is starting to decline, or is not healthy," said co-author of the study and an assistant professor at OSU KC Bierlich. "And whales are considered ecosystem sentinels, so if the whale population isn't doing well, that might say a lot about the environment itself." Also Read | Scientists discover mitochondria's role in reducing obesity The researchers believe this shrinking size could have cascading negative effects on the whales' health and reproduction. Watch | Study: Secret aliens could be here on Earth already × The study also examined changes in ocean upwelling and relaxation patterns, which influence the availability of the whales' prey. The decline in whale size coincided with shifts in these oceanographic cycles, which the researchers suspect may be linked to climate change impacts on wind and temperature in the Northeast Pacific. "Without a balance between upwelling and relaxation, the ecosystem may not be able to produce enough prey to support the large size of these gray whales," said co-author Leigh Torres, director of OSU's GEMM Lab. Researchers are now focused on further investigating the environmental drivers behind the shrinking size of the PCFG gray whales, in order to understand the broader implications for the health of this population and the broader marine ecosystem. (With inputs from agencies)

Gray whales shrinking in size along the Pacific Northwest coast

<p>Researchers might just have come across an Enzyme that can slow ageing. They concluded that fat byproducts such as fatty acids and glycerol contribute to lower life span and more chronic diseases. By conducting tests on animals in their labs, the scientists concluded that the enzyme ADH-1 could be employed to reduce the levels of these byproducts in our bodies, which may lead to lower glycerol levels and longer life spans.</p>

<h2><strong>What are fatty acids?</strong></h2>

<p>Fatty acids are called the building blocks of body fat. It's required for essential body functions but its excess becomes a major problem. It can disrupt metabolic processes and promote inflammation, leading to a reduced life span and chronic diseases.</p>

<h2><strong>Research</strong></h2>

<p>Eyleen Jorgelina O’Rourke, Associate Professor of Biology and Cell Biology, University of Virginia, wrote for The Conversation, "My research team and I wondered whether reducing harmful fat byproducts might help slow the aging process and consequently stave off common diseases."</p>

<p>The researchers noted a consistent pattern while studying animals in labs: All anti-ageing interventions led to reduced levels of glycerol.</p>

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<p>"When placed on a calorie-restricted diet, the nematode Caenorhabditis elegans lives about 40% longer. We found that the glycerol levels in the body of these long-lived worms were lower than in shorter-lived worms that were not food restricted," the researcher wrote.</p>

<h2><strong>Conclusion</strong></h2>

<p>The scientists concluded that higher activity of ADH-1 led to reduced levels of glycerol. It was found that the life span of worms decreased by 30 per cent when they were given a diet with added glycerol. On the other hand, animals that were genetically modified to produce more of the enzyme ADH-1 had low levels of glycerol. They stayed healthier, lived longer lives, and didn't gain extra weight even when they could eat as much as they wanted.</p>

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<p>"The simple molecular structure and wealth of research on ADH-1 make it an attractive target for developing drugs that boost its activity. My lab’s long-term goal is to explore how compounds that activate ADH-1 affect the health and longevity of both mice and people," said O’Rourke.</p>


Researchers might just have come across an Enzyme that can slow ageing. They concluded that fat byproducts such as fatty acids and glycerol contribute to lower life span and more chronic diseases.

Researchers might just have come across an Enzyme that can slow ageing. They concluded that fat byproducts such as fatty acids and glycerol contribute to lower life span and more chronic diseases. By conducting tests on animals in their labs, the scientists concluded that the enzyme ADH-1 could be employed to reduce the levels of these byproducts in our bodies, which may lead to lower glycerol levels and longer life spans. What are fatty acids? Fatty acids are called the building blocks of body fat. It's required for essential body functions but its excess becomes a major problem. It can disrupt metabolic processes and promote inflammation, leading to a reduced life span and chronic diseases. Research Eyleen Jorgelina O’Rourke, Associate Professor of Biology and Cell Biology, University of Virginia, wrote for The Conversation, "My research team and I wondered whether reducing harmful fat byproducts might help slow the aging process and consequently stave off common diseases." The researchers noted a consistent pattern while studying animals in labs: All anti-ageing interventions led to reduced levels of glycerol. Also read: Warp drives may reveal alien civilisations by sending gravitational waves through universe "When placed on a calorie-restricted diet, the nematode Caenorhabditis elegans lives about 40% longer. We found that the glycerol levels in the body of these long-lived worms were lower than in shorter-lived worms that were not food restricted," the researcher wrote. Conclusion The scientists concluded that higher activity of ADH-1 led to reduced levels of glycerol. It was found that the life span of worms decreased by 30 per cent when they were given a diet with added glycerol. On the other hand, animals that were genetically modified to produce more of the enzyme ADH-1 had low levels of glycerol. They stayed healthier, lived longer lives, and didn't gain extra weight even when they could eat as much as they wanted. Also read: Does space travel impact eye health? Researchers investigate "The simple molecular structure and wealth of research on ADH-1 make it an attractive target for developing drugs that boost its activity. My lab’s long-term goal is to explore how compounds that activate ADH-1 affect the health and longevity of both mice and people," said O’Rourke.

Researchers finally discover enzyme that can slow ageing and boost health

<p>While the concept of warp drives may seem like something out of science fiction, recent research suggested that these hypothetical faster-than-light engines could produce detectable gravitational wave signals and detect alien civilisations.&nbsp;</p>

<p>The idea of using warp drives for interstellar travel has long captured the imagination of scientists and science fiction fans alike. First proposed by physicist Miguel Alcubierre in 1994, the concept involves distorting spacetime to allow a spacecraft to travel faster than the speed of light without violating the laws of physics.</p>

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<p>However, the practical realisation of warp drives faces significant challenges, including the need for exotic matter with negative energy density to maintain the warp bubble. Despite these obstacles, physicists continue to explore the theoretical underpinnings of these spacetime-warping engines.</p>

<p>Now, a new study published on the preprint server arXiv has delved into the potential gravitational wave signatures that could be produced by a warp drive containment failure. The researchers, from institutions in the UK and Germany, simulated the collapse of a warp bubble and analyzed the resulting gravitational wave emissions.</p>

<p>"We see a burst of gravitational-wave radiation leaving the collapsed remnant of the warp bubble," the researchers said. They found that the unique characteristics of these gravitational waves would differ from the signals typically associated with events like black hole or neutron star mergers.</p>

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<p>While the frequencies of the gravitational waves from a warp drive collapse would be too high for current detectors like LIGO to observe, the researchers suggest that future observatories, such as the planned Laser Interferometer Space Antenna (LISA), may be able to pick up these distinctive signals.</p>

<p>The prospect of detecting gravitational waves from warp drive malfunctions has intriguing implications. "Physically, this could be related to a breakdown in the containment field that the post-warp civilization (presumably) uses to support the warp bubble against collapse," the researchers noted.</p>

<p><strong>Watch | Study: Secret aliens could be here on Earth already</strong></p>

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<p>In other words, the detection of such gravitational wave signals could potentially provide evidence of the existence of advanced extraterrestrial civilizations that have developed warp drive technology, even if they are located far beyond our solar system.</p>

<p>While the idea of using gravitational waves to search for signs of alien megastructures remains highly speculative, the new study highlighted the importance of exploring the theoretical limits of physics and the potential for unexpected discoveries.&nbsp;</p>

<p><em>(With inputs from agencies)</em></p>


While the concept of warp drives may seem like something out of science fiction, recent research suggested that these hypothetical faster-than-light engines could produce detectable gravitational wave signals and detect alien civilisations.

While the concept of warp drives may seem like something out of science fiction, recent research suggested that these hypothetical faster-than-light engines could produce detectable gravitational wave signals and detect alien civilisations. The idea of using warp drives for interstellar travel has long captured the imagination of scientists and science fiction fans alike. First proposed by physicist Miguel Alcubierre in 1994, the concept involves distorting spacetime to allow a spacecraft to travel faster than the speed of light without violating the laws of physics. Also Read | Hidden Antarctic mountain range revealed by pink sands in South Australia However, the practical realisation of warp drives faces significant challenges, including the need for exotic matter with negative energy density to maintain the warp bubble. Despite these obstacles, physicists continue to explore the theoretical underpinnings of these spacetime-warping engines. Now, a new study published on the preprint server arXiv has delved into the potential gravitational wave signatures that could be produced by a warp drive containment failure. The researchers, from institutions in the UK and Germany, simulated the collapse of a warp bubble and analyzed the resulting gravitational wave emissions. "We see a burst of gravitational-wave radiation leaving the collapsed remnant of the warp bubble," the researchers said. They found that the unique characteristics of these gravitational waves would differ from the signals typically associated with events like black hole or neutron star mergers. Also Read | First-ever evidence of jumping leeches found in Madagascar While the frequencies of the gravitational waves from a warp drive collapse would be too high for current detectors like LIGO to observe, the researchers suggest that future observatories, such as the planned Laser Interferometer Space Antenna (LISA), may be able to pick up these distinctive signals. The prospect of detecting gravitational waves from warp drive malfunctions has intriguing implications. "Physically, this could be related to a breakdown in the containment field that the post-warp civilization (presumably) uses to support the warp bubble against collapse," the researchers noted. Watch | Study: Secret aliens could be here on Earth already × In other words, the detection of such gravitational wave signals could potentially provide evidence of the existence of advanced extraterrestrial civilizations that have developed warp drive technology, even if they are located far beyond our solar system. While the idea of using gravitational waves to search for signs of alien megastructures remains highly speculative, the new study highlighted the importance of exploring the theoretical limits of physics and the potential for unexpected discoveries. (With inputs from agencies)

Warp drives may reveal alien civilisations by sending gravitational waves through universe

<p>Pink sands washing up on South Australian beaches have revealed a hidden secret of Earth's ancient past. Scientists have uncovered evidence of an ancient mountain range buried under the Antarctic ice, thanks to the discovery of a mineral called garnet at Petrel Cove.</p>

<p>The pink sands first appeared on the remote beach, intriguing scientists with their unusual colour.</p>

<p>A team of geologists from the University of Adelaide quickly identified the pink hues as garnet, a deep red mineral that forms under high temperatures and pressures typically found in mountainous regions.</p>

<p>"This journey started with questioning why there was so much garnet on the beach at Petrel Cove," said University of Adelaide geologist Jacob Mulder.</p>

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<p>"It is fascinating to think we were able to trace tiny grains of sand on a beach in Australia to a previously undiscovered mountain belt under the Antarctic ice."</p>

<p>Garnet, which crystallises in the high-pressure environments of colliding tectonic plates, is essential for understanding the formation and age of mountains.</p>

<p>The team used lutetium-hafnium dating to analyse the garnet found at Petrel Cove and nearby bedrock formations.</p>

<p>Surprisingly, they discovered that the garnet primarily formed around 590 million years ago, predating local mountain-forming events in South Australia by millions of years.</p>

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<p>"The garnet is too young to have come from the Gawler Craton and too old to have come from the eroding Adelaide Fold Belt," Sharmaine Verhaert, a geology graduate student at the University of Adelaide who led the investigation said, as per reports.&nbsp;</p>

<p>Instead, the garnet is believed to have formed when the South Australian crust "was comparatively cool and non-mountainous."</p>

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<p>Garnet typically erodes away with extended exposure to waves and currents, suggesting that the mineral surfaced locally despite its ancient origins.</p>

<p>Further investigations linked the pink sands at Petrel Cove to layers of nearby glacial sedimentary rock and distant garnet deposits in the Transantarctic Mountains of East Antarctica.</p>

<p><em>(With inputs from agencies)</em></p>


Pink sands washing up on South Australian beaches have revealed a hidden secret of Earth's ancient past. Scientists have uncovered evidence of an ancient mountain range buried under the Antarctic ice, thanks to the discovery of a mineral called garnet at Petrel Cove.

Pink sands washing up on South Australian beaches have revealed a hidden secret of Earth's ancient past. Scientists have uncovered evidence of an ancient mountain range buried under the Antarctic ice, thanks to the discovery of a mineral called garnet at Petrel Cove. The pink sands first appeared on the remote beach, intriguing scientists with their unusual colour. A team of geologists from the University of Adelaide quickly identified the pink hues as garnet, a deep red mineral that forms under high temperatures and pressures typically found in mountainous regions. "This journey started with questioning why there was so much garnet on the beach at Petrel Cove," said University of Adelaide geologist Jacob Mulder. Also Read | First-ever evidence of jumping leeches found in Madagascar "It is fascinating to think we were able to trace tiny grains of sand on a beach in Australia to a previously undiscovered mountain belt under the Antarctic ice." Garnet, which crystallises in the high-pressure environments of colliding tectonic plates, is essential for understanding the formation and age of mountains. The team used lutetium-hafnium dating to analyse the garnet found at Petrel Cove and nearby bedrock formations. Surprisingly, they discovered that the garnet primarily formed around 590 million years ago, predating local mountain-forming events in South Australia by millions of years. Also Read | Use it and eat it! New 'fascinating' robots are fully operational as well as edible "The garnet is too young to have come from the Gawler Craton and too old to have come from the eroding Adelaide Fold Belt," Sharmaine Verhaert, a geology graduate student at the University of Adelaide who led the investigation said, as per reports. Instead, the garnet is believed to have formed when the South Australian crust "was comparatively cool and non-mountainous." Watch | Study finds AI can detect Parkinson's seven years before onset × Garnet typically erodes away with extended exposure to waves and currents, suggesting that the mineral surfaced locally despite its ancient origins. Further investigations linked the pink sands at Petrel Cove to layers of nearby glacial sedimentary rock and distant garnet deposits in the Transantarctic Mountains of East Antarctica. (With inputs from agencies)

Hidden Antarctic mountain range revealed by pink sands in South Australia

<p>Researchers have captured the first video evidence of a terrestrial leech species jumping, settling a long-standing debate in the scientific community.&nbsp;</p>

<p>The footage, recorded by Mai Fahmy, a postdoctoral researcher at Fordham University, in Madagascar in 2017, shows leeches which are a type of Chtonobdella coiling their bodies back and then launching themselves into the air.</p>

<p>"What we have here is the first-ever recorded evidence to our knowledge of a terrestrial leech taking a jump," said Fahmy, the lead author of the study published in the journal Biotropica.</p>

<p>Also Read |&nbsp;<a href="https://www.wionews.com/science/use-it-and-eat-it-new-fascinating-robots-are-fully-operational-as-well-as-edible-734320">Use it and eat it! New 'fascinating' robots are fully operational as well as edible</a></p>

<p>The phenomenon of jumping leeches has been debated for centuries. In the 14th century, explorer Ibn Battuta wrote of "the flying leech," and in the 19th century, naturalist Ernst Haeckel claimed that leeches can even spring to reach their victim. However, some remained skeptical in the past, with an earlier study stating, "In spite of folk tales to the contrary, land leeches do not jump from vegetation onto their prey."&nbsp;</p>

<p>Also Read |&nbsp;<a href="https://www.wionews.com/india-news/after-acing-three-autonmous-landings-indias-pushpak-plane-awaits-ride-to-space-734290">After acing three autonomous landings, India's 'Pushpak' plane awaits ride to space</a></p>

<p>An assistant professor at CUNY's Medgar Evans College Michael Tessler&nbsp;is the co-author of the study.&nbsp;</p>

<p>"In terms of evolution, anything that makes a terrestrial leech get blood faster or more stealthily is of great selective advantage," Tessler explained.</p>

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<p>"The evidence that the leeches in the study are jumping is 'solid enough,'" said Joachim Langeneck, a zoologist at Italy's National Interuniversity Consortium for Marine Sciences, who was not involved in the study.</p>

<p>"This answer [to the debate] opens up to further, more interesting questions, such as why leeches jump and how are they able to."&nbsp;</p>

<p><strong>Watch | Study finds AI can detect Parkinson's seven years before onset</strong></p>

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<h2><strong>Impact on conservation efforts</strong></h2>

<p>The discovery of jumping leeches not only settles a long-standing scientific debate but also has important implications for understanding leech behaviour and its impact on conservation efforts.</p>

<p>As Fahmy explained, "If we can identify how leeches find and attach to hosts, we can better understand the results of their gut content analyses. Leeches are often overlooked and understudied, and, as a natural part of the ecosystem, leeches themselves may be in need of conservation protection."&nbsp;</p>

<p><em>(With inputs from agencies)</em></p>


Researchers have captured the first video evidence of a terrestrial leech species jumping, settling a long-standing debate in the scientific community. The footage, recorded by Mai Fahmy, a postdoctoral researcher at Fordham University, in Madagascar in 2017, shows leeches which are a type of Chtonobdella coiling their bodies back and then launching themselves into the air.

Researchers have captured the first video evidence of a terrestrial leech species jumping, settling a long-standing debate in the scientific community. The footage, recorded by Mai Fahmy, a postdoctoral researcher at Fordham University, in Madagascar in 2017, shows leeches which are a type of Chtonobdella coiling their bodies back and then launching themselves into the air. "What we have here is the first-ever recorded evidence to our knowledge of a terrestrial leech taking a jump," said Fahmy, the lead author of the study published in the journal Biotropica. Also Read | Use it and eat it! New 'fascinating' robots are fully operational as well as edible The phenomenon of jumping leeches has been debated for centuries. In the 14th century, explorer Ibn Battuta wrote of "the flying leech," and in the 19th century, naturalist Ernst Haeckel claimed that leeches can even spring to reach their victim. However, some remained skeptical in the past, with an earlier study stating, "In spite of folk tales to the contrary, land leeches do not jump from vegetation onto their prey." Also Read | After acing three autonomous landings, India's 'Pushpak' plane awaits ride to space An assistant professor at CUNY's Medgar Evans College Michael Tessler is the co-author of the study. "In terms of evolution, anything that makes a terrestrial leech get blood faster or more stealthily is of great selective advantage," Tessler explained. View this post on Instagram A post shared by Mai Fahmy, PhD (@_maifahmy) × "The evidence that the leeches in the study are jumping is 'solid enough,'" said Joachim Langeneck, a zoologist at Italy's National Interuniversity Consortium for Marine Sciences, who was not involved in the study. "This answer [to the debate] opens up to further, more interesting questions, such as why leeches jump and how are they able to." Watch | Study finds AI can detect Parkinson's seven years before onset × Impact on conservation efforts The discovery of jumping leeches not only settles a long-standing scientific debate but also has important implications for understanding leech behaviour and its impact on conservation efforts. As Fahmy explained, "If we can identify how leeches find and attach to hosts, we can better understand the results of their gut content analyses. Leeches are often overlooked and understudied, and, as a natural part of the ecosystem, leeches themselves may be in need of conservation protection." (With inputs from agencies)

Watch | First-ever evidence of jumping leeches found in Madagascar

<p>In a rare confluence of engineering and food processing, Swiss scientists are working on creating robots that are fully operational as well as edible. Yes, you would be able to consume these robots towards the end of their lifespan. The seemingly unbelievable task has been taken up by the scientists at École Spéciale de Lausanne, along with researchers from other universities. Their benefits? They can significantly reduce electronic waste, deliver nutrition,&nbsp; medicines, and monitor health.</p>

<h2><strong>The RoboFood project</strong></h2>

<p>Under the RoboFood project, scientists aim to replace mechanical components with edible alternatives. For instance, rubber can be used in place of gelatin, rice cookies for foam and chocolate can be used to protect it from humidity.</p>

<h2>&nbsp;</h2>

<p>The progress has been slow but achievements are no short of wonders. In 2017, researchers were able to create an edible gripper. In 2022, they were able to make a drone with rice cookie wings. Last year, researchers developed an edible battery using riboflavin and quercetin.</p>

<p><strong>Also read:&nbsp;<a data-ved="2ahUKEwiF2tCxovGGAxVpTGwGHfjqDGkQxfQBKAB6BAgHEAE" href="https://www.wionews.com/science/after-human-testicles-microplastics-discovered-in-human-penises-for-first-time-733810" jsname="YKoRaf" ping="/url?sa=t&amp;source=web&amp;rct=j&amp;opi=89978449&amp;url=https://www.wionews.com/science/after-human-testicles-microplastics-discovered-in-human-penises-for-first-time-733810&amp;ved=2ahUKEwiF2tCxovGGAxVpTGwGHfjqDGkQxfQBKAB6BAgHEAE">After human testicles, microplastics discovered in human penises for first time</a></strong></p>

<p>Dario Floreano, director of the Laboratory of Intelligent Systems at EPFL and first author of the new RoboFood perspective published in Nature Review Materials, said that bringing food and robotics together is a fascinating challenge.</p>

<h2><strong>Challenges</strong></h2>

<p>The challenge is to reduce and miniaturise components. Secondly, extending the lifespan of these robots is equally important as the lack of them can severely limit their practicality.</p>

<p>Scientists have one more challenge to address: How to make the robot taste nice.</p>

<p><strong>Also read:&nbsp;<a data-ved="2ahUKEwiF2tCxovGGAxVpTGwGHfjqDGkQxfQBKAB6BAgSEAE" href="https://www.wionews.com/science/does-space-travel-impact-eye-health-researchers-investigate-733576" jsname="YKoRaf" ping="/url?sa=t&amp;source=web&amp;rct=j&amp;opi=89978449&amp;url=https://www.wionews.com/science/does-space-travel-impact-eye-health-researchers-investigate-733576&amp;ved=2ahUKEwiF2tCxovGGAxVpTGwGHfjqDGkQxfQBKAB6BAgSEAE">Does space travel impact eye health? Researchers investigate</a></strong></p>

<p>Another question is how humans and their companion animals will react to these reactive, edible robots. Additionally, one of the key challenges is to combine components that use electricity to function with those that use fluids and pressure to move.</p>

<p><em>(With inputs from agencies)</em></p>


In a rare confluence of engineering and food processing, Swiss scientists are working on creating robots that are fully operational as well as edible. Yes, you would be able to consume these robots towards the end of their lifespan.

In a rare confluence of engineering and food processing, Swiss scientists are working on creating robots that are fully operational as well as edible. Yes, you would be able to consume these robots towards the end of their lifespan. The seemingly unbelievable task has been taken up by the scientists at École Spéciale de Lausanne, along with researchers from other universities. Their benefits? They can significantly reduce electronic waste, deliver nutrition, medicines, and monitor health. The RoboFood project Under the RoboFood project, scientists aim to replace mechanical components with edible alternatives. For instance, rubber can be used in place of gelatin, rice cookies for foam and chocolate can be used to protect it from humidity. The progress has been slow but achievements are no short of wonders. In 2017, researchers were able to create an edible gripper. In 2022, they were able to make a drone with rice cookie wings. Last year, researchers developed an edible battery using riboflavin and quercetin. Also read: After human testicles, microplastics discovered in human penises for first time Dario Floreano, director of the Laboratory of Intelligent Systems at EPFL and first author of the new RoboFood perspective published in Nature Review Materials, said that bringing food and robotics together is a fascinating challenge. Challenges The challenge is to reduce and miniaturise components. Secondly, extending the lifespan of these robots is equally important as the lack of them can severely limit their practicality. Scientists have one more challenge to address: How to make the robot taste nice. Also read: Does space travel impact eye health? Researchers investigate Another question is how humans and their companion animals will react to these reactive, edible robots. Additionally, one of the key challenges is to combine components that use electricity to function with those that use fluids and pressure to move. (With inputs from agencies)

Use it and eat it! New 'fascinating' robots are fully operational as well as edible

<p>NASA has released a striking new image of Phobos, Mars' larger and oddly shaped moon, often referred to as the "space potato" due to its lumpy and irregular shape.</p>

<p>Phobos, which measures about 17 by 14 by 11 miles (27 by 22 by 18 kilometres), lacks the gravitational strength to form a spherical shape like Earth's Moon.</p>

<p>This unique structure is a result of its small size and weak gravity, giving it an appearance reminiscent of a&nbsp;potato.</p>

<p>Phobos' peculiar form is highlighted in the image captured by the High Resolution Imaging Science Experiment (HiRISE) camera aboard NASA's Mars Reconnaissance Orbiter.</p>

<p>Also Read |&nbsp;<a href="https://www.wionews.com/science/nasa-simulates-massive-asteroid-impact-to-explore-emergency-response-734142">NASA simulates massive asteroid impact to explore emergency response</a></p>

<p>The image, taken against the backdrop of the dark expanse of space, shows the moon's brownish-red, crater-filled surface.</p>

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<p>Notably, a prominent white patch is visible next to Stickney crater, one of the largest craters on Phobos' right side. Even after its seemingly static presence, Phobos is on a slow yet inevitable collision course with Mars.</p>

<p>The moon is gradually inching closer to the Red Planet at a rate of about six feet (1.8 metres) every hundred years. At this pace, scientists predict that Phobos will either crash into Mars or break apart into a ring around the planet in approximately 50 million years.</p>

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<p>The HiRISE camera, which has been studying Mars since 2006, continues to provide invaluable insights into the Martian environment and its moons.</p>

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<h2><strong>Deimos</strong></h2>

<p>Deimos, the smaller and more distant moon, orbits Mars at an average distance of about 23,500 kilometres (14,600 miles).</p>

<p>It is also irregularly shaped but has a smoother appearance compared to Phobos, with fewer large craters and a more uniform surface covered by a thick regolith.</p>

<p>Its most significant features include two craters named Swift and Voltaire. Deimos' orbit is slowly moving it away from Mars, but this process is happening at a much slower rate.</p>

<p><em>(With inputs from agencies)</em></p>


NASA has released a striking new image of Phobos, Mars' larger and oddly shaped moon, often referred to as the "space potato" due to its lumpy and irregular shape.

NASA has released a striking new image of Phobos, Mars' larger and oddly shaped moon, often referred to as the "space potato" due to its lumpy and irregular shape. Phobos, which measures about 17 by 14 by 11 miles (27 by 22 by 18 kilometres), lacks the gravitational strength to form a spherical shape like Earth's Moon. This unique structure is a result of its small size and weak gravity, giving it an appearance reminiscent of a potato. Phobos' peculiar form is highlighted in the image captured by the High Resolution Imaging Science Experiment (HiRISE) camera aboard NASA's Mars Reconnaissance Orbiter. Also Read | NASA simulates massive asteroid impact to explore emergency response The image, taken against the backdrop of the dark expanse of space, shows the moon's brownish-red, crater-filled surface. View this post on Instagram A post shared by NASA (@nasa) × Notably, a prominent white patch is visible next to Stickney crater, one of the largest craters on Phobos' right side. Even after its seemingly static presence, Phobos is on a slow yet inevitable collision course with Mars. The moon is gradually inching closer to the Red Planet at a rate of about six feet (1.8 metres) every hundred years. At this pace, scientists predict that Phobos will either crash into Mars or break apart into a ring around the planet in approximately 50 million years. Also Read | Boeing's Starliner capsule extends ISS stay again, to assess helium system leaks & thruster performance The HiRISE camera, which has been studying Mars since 2006, continues to provide invaluable insights into the Martian environment and its moons. Watch | Study finds AI can detect Parkinson's seven years before onset × Deimos Deimos, the smaller and more distant moon, orbits Mars at an average distance of about 23,500 kilometres (14,600 miles). It is also irregularly shaped but has a smoother appearance compared to Phobos, with fewer large craters and a more uniform surface covered by a thick regolith. Its most significant features include two craters named Swift and Voltaire. Deimos' orbit is slowly moving it away from Mars, but this process is happening at a much slower rate. (With inputs from agencies)

NASA's HiRISE camera captures image of phobos, Mars' 'space potato' Moon

<p>NASA and international partners, in a recent table-top simulation, explored the hypothetical scenario of a massive asteroid with a 72 per cent&nbsp;chance of hitting Earth in about 14 years.</p>

<p>This space rock, large enough to devastate a region, served as a reminder of the importance of preparedness and response strategies for asteroid threats.</p>

<p>The exercise, held in April, involved asteroid experts, NASA personnel, federal emergency management officials, and their international counterparts.</p>

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<p>Terik Daly, the planetary defense section supervisor at the Johns Hopkins Applied Physics Laboratory said, "We don't know of any asteroids of a substantial size that are going to hit the Earth for the next hundred years."</p>

<p>"But we also know... that we don't know where most of the asteroids are that are large enough to cause regional devastation," he added.</p>

<p>The asteroid in question was estimated to be between 60 metres and almost 800 metres across. Even a smaller asteroid could cause massive damage depending on its impact location.</p>

<p>Lindley Johnson, NASA’s Planetary Defense Officer Emeritus, noted that an asteroid of this size impacting land near a metropolitan area would be a "serious" situation.</p>

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<p>The simulation highlighted the uncertainties in predicting the asteroid's properties and the consequences of its impact. Scientists figured that they would be unable to gather more information about this threat for over six months until another asteroid is spotted and they could assess it.&nbsp;</p>

<p>"We're going to have very large uncertainties in the asteroid's properties, and that leads to very large uncertainties in what the consequences would be if it were to hit the ground," said Daly.</p>

<p>He said there is also uncertainty over "what it would take to stop that asteroid from hitting the ground.”</p>

<p><strong>Watch | Study finds AI can detect Parkinson's seven years before onset</strong></p>

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<p>Participants discussed three options for addressing the threat. First is waiting and doing nothing until more information could be gathered, second is starting a US-led space mission to gather more data or third is building a more expensive spacecraft capable of altering the asteroid's path.</p>

<p>NASA is set to launch a new asteroid-finding telescope in the fall of 2027 to improve the detection and tracking of near-Earth objects. “We’ve got to discover what’s out there, determine their orbits, and then determine whether they represent an impact hazard to the Earth over time,”&nbsp;Johnson said.</p>

<p><em>(With inputs from agencies)</em></p>


NASA and international partners, in a recent table-top simulation, explored the hypothetical scenario of a massive asteroid with a 72 per cent chance of hitting Earth in about 14 years.

NASA and international partners, in a recent table-top simulation, explored the hypothetical scenario of a massive asteroid with a 72 per cent chance of hitting Earth in about 14 years. This space rock, large enough to devastate a region, served as a reminder of the importance of preparedness and response strategies for asteroid threats. The exercise, held in April, involved asteroid experts, NASA personnel, federal emergency management officials, and their international counterparts. Also Read | AI-savvy Gen-Z workers likely to outpace older generations at workplace: Study Terik Daly, the planetary defense section supervisor at the Johns Hopkins Applied Physics Laboratory said, "We don't know of any asteroids of a substantial size that are going to hit the Earth for the next hundred years." "But we also know... that we don't know where most of the asteroids are that are large enough to cause regional devastation," he added. The asteroid in question was estimated to be between 60 metres and almost 800 metres across. Even a smaller asteroid could cause massive damage depending on its impact location. Lindley Johnson, NASA’s Planetary Defense Officer Emeritus, noted that an asteroid of this size impacting land near a metropolitan area would be a "serious" situation. Also Read | China threatens death penalty for 'diehard' Taiwan separatists The simulation highlighted the uncertainties in predicting the asteroid's properties and the consequences of its impact. Scientists figured that they would be unable to gather more information about this threat for over six months until another asteroid is spotted and they could assess it. "We're going to have very large uncertainties in the asteroid's properties, and that leads to very large uncertainties in what the consequences would be if it were to hit the ground," said Daly. He said there is also uncertainty over "what it would take to stop that asteroid from hitting the ground.” Watch | Study finds AI can detect Parkinson's seven years before onset × Participants discussed three options for addressing the threat. First is waiting and doing nothing until more information could be gathered, second is starting a US-led space mission to gather more data or third is building a more expensive spacecraft capable of altering the asteroid's path. NASA is set to launch a new asteroid-finding telescope in the fall of 2027 to improve the detection and tracking of near-Earth objects. “We’ve got to discover what’s out there, determine their orbits, and then determine whether they represent an impact hazard to the Earth over time,” Johnson said. (With inputs from agencies)

NASA simulates massive asteroid impact to explore emergency response

<p>Boeing's Starliner spacecraft, which carried NASA astronauts Butch Wilmore and Suni Williams to the International Space Station (ISS), has been extended yet again.</p>

<p>Initially scheduled to depart the ISS on June 26, the spacecraft will now remain docked until at least July 2, according to NASA’s Commercial Crew Program.&nbsp;</p>

<p>This decision will now allow NASA and Boeing to further assess and address the problems encountered during the mission.</p>

<p>The Starliner experienced issues with five of its 28 reaction control system (RCS) thrusters during its rendezvous and docking with the ISS. Five small helium leaks were also detected in the propulsion system.</p>

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<p>While providing an update on the return of astronauts, manager of NASA’s Commercial Crew Program the Steve Stich on Friday (June 21) said, "We are taking our time and following our standard mission management team process."&nbsp;</p>

<p>"We are letting the data drive our decision making relative to managing the small helium system leaks and thruster performance we observed during rendezvous and docking," he added.</p>

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<p>There is a planned NASA spacewalk on July 2 which the space agency is looking to be done with before the return of the astronauts. This extra time will enable NASA to complete the necessary checkouts and ensure the spacecraft is ready for a safe return to Earth.</p>

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<h2><strong>Starliner 'performing well'</strong></h2>

<p>NASA officials have also expressed confidence in the Starliner's performance while docked to the ISS.</p>

<p>"Starliner is performing well in orbit while docked to the space station," Stich said adding, "We are strategically using the extra time to clear a path for some critical station activities while completing readiness for Butch and Suni's return on Starliner and gaining valuable insight into the system upgrades we will want to make for post-certification missions."</p>

<p>As far as the crew members are concerned, NASA officials said they are "not pressed for time to leave the station since there are plenty of supplies in orbit, and the station's schedule is relatively open through mid-August."&nbsp;</p>

<p><em>(With inputs from agencies)</em></p>


Boeing's Starliner spacecraft, which carried NASA astronauts Butch Wilmore and Suni Williams to the International Space Station (ISS), has been extended yet again.

Boeing's Starliner spacecraft, which carried NASA astronauts Butch Wilmore and Suni Williams to the International Space Station (ISS), has been extended yet again. Initially scheduled to depart the ISS on June 26, the spacecraft will now remain docked until at least July 2, according to NASA’s Commercial Crew Program. This decision will now allow NASA and Boeing to further assess and address the problems encountered during the mission. The Starliner experienced issues with five of its 28 reaction control system (RCS) thrusters during its rendezvous and docking with the ISS. Five small helium leaks were also detected in the propulsion system. Also Read | Jurassic king with a crown? Scientists discover fancy headgear on 78-million-year-old dinosaur While providing an update on the return of astronauts, manager of NASA’s Commercial Crew Program the Steve Stich on Friday (June 21) said, "We are taking our time and following our standard mission management team process." "We are letting the data drive our decision making relative to managing the small helium system leaks and thruster performance we observed during rendezvous and docking," he added. Also Read | US family claims over $80,000 from NASA after space debris hit their home There is a planned NASA spacewalk on July 2 which the space agency is looking to be done with before the return of the astronauts. This extra time will enable NASA to complete the necessary checkouts and ensure the spacecraft is ready for a safe return to Earth. Watch | Study: Secret aliens could be here on Earth already × Starliner 'performing well' NASA officials have also expressed confidence in the Starliner's performance while docked to the ISS. "Starliner is performing well in orbit while docked to the space station," Stich said adding, "We are strategically using the extra time to clear a path for some critical station activities while completing readiness for Butch and Suni's return on Starliner and gaining valuable insight into the system upgrades we will want to make for post-certification missions." As far as the crew members are concerned, NASA officials said they are "not pressed for time to leave the station since there are plenty of supplies in orbit, and the station's schedule is relatively open through mid-August." (With inputs from agencies)

Boeing's Starliner capsule extends ISS stay again, to assess helium system leaks & thruster performance

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