Operation Cloud Lab: Secrets of the Skies

Operation Cloud Lab: Secrets of the Skies

A team of scientists take to the skies in one of the world's largest airships, for a unique exploration of Earth's most precious and mysterious environment - the atmosphere.

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Can life exist above the clouds?

Can life exist above the clouds?
Find out more about our atmosphere and how microscopic life survives at altitude with our iWonder guide.

Every Breath We Take: Understanding Our Atmosphere (BBC Four)

Every Breath We Take: Understanding Our Atmosphere (BBC Four)
Gabrielle Walker tells the remarkable tale of heroes and underdogs, chance encounters and sheer blind luck in the quest to understand the air.

TV blog: Filming aboard the airship

Felicity Aston

Clouds are as far from the image of light and fluffy puffs of cotton wool as you get.

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