Science What to do if you're caught in an avalanche

Severe blizzards and avalanches in northern Nepal, which caused the deaths of at least 20 people this week, remind trekkers of the dangers of traveling across snowslide-prone areas.

By , Staff Writer

Adrian Ballinger/Alpenglow Expeditions/AP

The Annapurna Circuit in Nepal is popular among trekkers of all abilities, but, every once in awhile, an event there can test even the most experienced mountaineer. Avalanches coupled with severe snowstorms on the circuit's Thorong pass Tuesday took the lives of at least 30 people, with several more still missing.