Dust affects tooth wear and chewing efficiency in chimpanzees

In a new study, Leipzig researchers collected feces from chimpanzees living at Taï National Park, Ivory Coast, and analyzed chewing efficiency during dry and rainy periods. They found that increased dust loads during dry ...

Surfer's ear points to ancient pearl divers in Panama

While examining a skull from an ancient burial ground in a pre-Columbian village in Panama, Nicole Smith-Guzmán, bioarchaeologist at the Smithsonian Tropical Research Institute (STRI), was surprised to discover an example ...

Human evolution: back to the trees?

Scientists have uncovered new clues from the spinal columns of ancient human ancestors that suggest the various types moved in different manners within their environments.

How infighting turns toxic for chimpanzees

Power. Ambition. Jealousy. According to a new study, the same things that fuel deadly clashes in humans can also tear apart chimpanzees, our closest animal relatives.

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