Doug was the leader of his chimpanzee group. He had quickly gained a reputation from human observers as a fair and tolerant ...

We share more than 97% of our genetic makeup with primates such as chimpanzees, gorillas and orangutans. But that doesn’t ...

Humans have a distinct size advantage. A chimp uses all of its limbs to run, moving at 25mph, while humans can only sprint on two legs with an average speed of 18mph. Chimps are faster than men ...

A rare and deliberate signal between a mother chimpanzee and her daughter raises new questions about ape communication, culture and the meaning of sharing a language ...

Another chimp showed up a moment later ... of those fruits—more than two dozen edible species ranging from pumpkin-size Treculia africana to rubbery, soft ball-size Chrysophyllum lacourtiana ...

in years ago): 7.6—6 million BRAIN SIZE (est., in cu cm): 360-370 (slightly smaller than a male chimp's) SPECIAL FEATURES: oldest known hominin; set apart from other fossil apes by smaller ...