Is there life in clouds? © Getty Images

Is there life in clouds?

Take it from us, taking in a mouthful of cloud might not be the most hygienic of snacks.

Asked by: Paul Leslie, Chelmsford

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Yes. Up to two million tons of bacteria are lofted by air currents into the atmosphere each year, along with 55 million tons of fungal spores and an unknown quantity of algae. These microscopic life forms are thought to play an important part in the weather by causing the water vapour in clouds to precipitate into rain more often than it would in a lifeless atmosphere.


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