Human brains still react to chimp voices, hinting at a deep evolutionary link in how we recognize sound.

Add Yahoo as a preferred source to see more of our stories on Google. In this combination of photos provided by researchers, a wild male chimpanzee drums on a buttress tree while producing a pant-hoot ...

The study of rhythmic structures, which appears in the journal Current Biology, analyzed the drumming patterns of chimps from the rainforests in East and West Africa. The trees in those rainforests ...