The same is true of Beryl, a chimpanzee living in Kibale National Park, in Uganda, and her young daughter, Lindsay. When ...

Compared with a chimpanzee hand, at left, the human hand, at right, has shorter fingers and palms and a longer, stronger more flexible thumb. That not only allows fine manipulation of tools and ...

It was utterly fascinating to watch. In the first place, the dexterity in chimpanzee hands is amazing. Their hands are so human-like and their process of knowing how to make a tool and use it ...

Koko the chimpanzee was a happy-go-lucky fellow, but he couldn't shake one nagging thought: his lack of a tail.