Owing to plummeting temperatures across the US and Canada, frostbite can develop on exposed skin in just five to ten minutes, as observed by residents. Prior to the busiest travel days of the year, a strong Arctic winter storm has issued weekend weather alerts for more than 135 million people.

Winter storm in US and Canada: Plunging temperatures cause frostbite within five minutes of exposure

The tented city at the foot of Mount Everest is bustling as mountaineers brace for potentially the busiest year yet on the world's highest peak, prompting concerns about overcrowding and safety.

Everest braces for record year amid overcrowding fears

Tens of millions of Americans braved Arctic-like temperatures on Thursday as low as minus 56 degrees Fahrenheit (minus 49 Celsius) that paralyzed the US Midwest and were blamed for at least 21 deaths.

Over 20 dead in US polar vortex, frostbite amputations feared

frostbite

Frostbite, News on Frostbite, stories on Frostbite, articles on Frostbite, Frostbite stories at Wion, Frostbite news, Frostbite latest news