04/11/2009: Icefall Training

Exploration & Adventure

04/11/2009: Icefall Training

The team prepares to tackle the treacherous Khumbu icefall by doing some ladder training close to Base Camp.

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Behind the scenes: A rumor about opiates and pangolin scales is debunked

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What's the world's most littered plastic item? Cigarette butts

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Watch Arctic wolf pups on first family outing, in rare footage

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Behind the shot: Brutal blizzard proves to be a challenge in filming polar bears

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Watch: First recorded footage of a dolphin mom adopting a calf from a different species

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Her black hole research confirms Einstein's relativity on a massive scale

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Meet the small Arctic animals that conquer their big polar world

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He spent his career studying a frog. Then he discovered its true identity.

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