Examine the physical characteristics of chimps and humans to find which one has the upper hand in certain situations. Adult chimps stand at 150 cm on average. Males in the wild weigh between 40 ...

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 ...

Chimpanzees, like humans, may be life-long learners, a study suggests. Researchers have found these great apes continue to ...