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 ...

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 ...

Part of the problem is that chimpanzee hands are not well adapted to such delicate work. Chimp thumbs are much shorter in relation to the rest of their hand than are ours, making a "precision grip ...

But the chimp went berserk and ripped off Nash’s nose, lips, eyelids and hands before being shot to death by a police officer. Nash, 57, now lives in a nursing home outside Boston. Travis had ...

When one member of a subgroup mastered the task, the others quickly imitated them, with the result that 57.5% of the monkeys managed to retrieve the food reward. In the smaller, closer-knit groups ...

In terms of speed and movement, chimps have the upper hand. The bite force of chimpanzees is 1,300 PSI, while scientists estimate that our jaws can deliver 162 PSI. A chimpanzee would have a ...

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 ...

It opened to show a chimpanzee seated below the rocks smoking a cigarette. The animal held the cig is one of hands and smoked as if no one was watching. However, it was caught on camera during the ...