Climbing Everest

30 May 2013
Presented by Hannah Critchlow, Kate Lamble.

This week marks the 60th anniversary of the first complete ascent of Mount Everest by Edmund Hillary and Tensing Norgay in 1953. But few people know that had it not been for the failure of one of two competing designs of breathing equipment - a completely different pair of climbers could have made it to the top first. Here's your Quickfire Science from Hannah Critchlow and Kate Lamble.

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