442 - Liquid: The Delightful and Dangerous Substances That Flow Through OurLives

Sometimes explosive, often delightful, occasionally poisonous, but always fascinating: the secret lives of liquids, from one of our best-known scientists.

A series of glasses of transparent liquids is in front of you: but which will quench your thirst and which will kill you? And why? Why does one liquid make us drunk, and another power a jumbo jet?

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