Portions of the Amazon rainforest are now emitting more carbon dioxide than they absorb — a troubling sign for the fight against climate change, a new study suggests.

Parts of the Amazon go from absorbing carbon dioxide to emitting it

Archaeologists have found what they believe is a section of Jerusalem’s outer city wall, built in the 8th century BC. The Israel Antiquities Authority announced Wednesday that the recent discovery of two stretches of stone bulwark from the Iron Age "unequivocally" prove a huge wall once protected the entire eastern flank of ancient Jerusalem.

Archeologists discover new section of Jerusalem's ancient wall

US deaths from drug overdoses surged to a record 93,000 during 2020, driven largely by rising opioid use during the pandemic, official data showed Wednesday. A provisional count from the Centers for Disease Control and Prevention's National Vital Statistics System showed 93,331 deaths for the 12 months ending December 2020, an all-time high, and up 29.

US drug overdose deaths surged to record 93,000 in 2020

Brazilian President Jair Bolsonaro has been hospitalised to identify the cause of chronic hiccups, the government said. The 66-year-old far-right leader had been complaining publically since last week that he had been suffering from the hiccups following surgery on a dental implant on July 3.

Brazil's President Jair Bolsonaro gets hospitalised to find cause of 'hiccups'

The Philippines has launched an investigation against hundreds of Chinese vessels that were dumping sewage into contested areas of the South China Sea. Rouhani has said that Iran can enrich its uranium to up to 90 per cent purity, if required.

Top 10 world news today: Philippines launches investigation into Chinese sewage-dumping at sea and more

The Philippines has launched an investigation against hundreds of Chinese vessels that were dumping sewage into contested areas of the South China Sea. "While we are confirming and verifying these wastes being dumped .

Philippines launches investigation into Chinese sewage-dumping at sea

Australia will take a group of ambassadors snorkelling on the Great Barrier Reef Thursday in a last-minute lobbying effort to keep the World Heritage site off UNESCO's endangered list.

Australia to take ambassadors snorkelling to save Great Barrier Reef status

President Hassan Rouhani has said that Iran can enrich uranium up to 90 per cent purity if its nuclear reactors needed it, according to local media. Addressing a cabinet meeting, Rouhani said, ''Iran's Atomic Energy Organisation can enrich uranium by 20 per cent and 60 per cent and if one day our reactor needs it, it can enrich uranium to 90 per cent purity.

Iran can enrich uranium up to 90% purity if it wants, says President Hassan Rouhani

In an ongoing crackdown on dissent by President Alexander Lukashenko's regime, Belarusian security police searched offices and homes of lawyers and human rights activists.

Belarus police raids offices, homes of activists in ongoing crackdown on dissent

Researchers have used CRISPR genome editing technology to successfully block the transmission of the SARS-CoV-2 virus in infected human cells. The study, published in the journal Nature Communications, could pave the way for coronavirus treatments.

Scientists use gene-editing technology to block COVID-19 transmission in human cells

Blue Origin and General Electric Hitachi Nuclear Energy have been roped in by NASA to develop nuclear-powered spacecraft that can travel faster and farther, to Mars and beyond.

Nuclear-powered spacecrafts are on the way: Blue Origin, General Electric roped in by NASA

A Russian-based hacker group blamed for a massive ransomware attack went offline Tuesday, sparking speculation about whether the move was the result of a government-led action.

Ransomware gang REvil disappears from dark web after Biden warning

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