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Chimpanzee "nests" reveal when hominids first left the trees [Monkey News]

3 years agoGenres / Sci Fi : io9

When a chimpanzee goes to sleep, it first has to build a "nest", which allows it to sleep safely up in the trees. Strangely, chimpanzees also build nests when sleeping on the ground, which might reveal a secret about human evolution. More »
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Chimpanzee ground nests offer new insight into our ancestors descent from the trees

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