Little Atoms 435 - Mary Roach and the science of humans at war

Mary Roach is the New York Times bestselling author of several popular science books, including Stiff, Spook, Bonk, Packing for Mars and Gulp. She has written for the Guardian, Wired, BBC Focus, GQ and Vogue. Her latest book is Grunt: The Curious Science of Humans at War.

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