The Distributed Brainpower of Social Insects

Attenborough-brainsHere’s David Attenborough, chilling out on a rock in the middle of Africa, with four lumps of plasticine. The smallest one on the far left represents the brain of a bushbaby, a small primate that lives on its own. The next one is the brain of a colobus monkey, which lives in groups of 15 or so. The one after that is a guenon, another monkey; group size: 25. And on the far right: a baboon that lives in groups of 50. “Were you to give a skull to a researcher who works on monkeys, even though they didn’t ...

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