Podcast: Energy-Efficient Apes, Humans Who Outwit Supercomputers, and More

Who exerts less energy, a person lounging in an armchair or an orangutan swinging through the forest? When is a human smarter than a supercomputer? And what kind of material gets thicker when you stretch it? Science's Online News Editor David Grimm chats about these stories and more with Science's Online Editor Stewart Wills.

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