According to evolutionary scientists, when people throw up their hands and say "it was just chemistry," they may be on to a fundamental factor in mate choice. Subtle chemical signals, or ...

A chimp would win a fight against a human. Although chimps and humans are ... don’t typically fight unless it’s for their mate or territory. Chimpanzees have a sophisticated social structure ...

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 ...

The prefrontal cortex has a similar structure in both chimps and humans, although it takes up much more real estate in the human brain than in the chimp brain. There is also a big difference ...

The Zoo on Wednesday announced the recent passing of Maggie, one of the oldest chimpanzees in the United State, from lymphoma ...

which can lead to dramatically different outcomes in human and chimp neurons in petri dishes. The human neurons grew multiple neurites, or wiry projections that help the nerve cells send and ...

which can lead to dramatically different outcomes in human and chimp neurons in petri dishes. The human neurons grew multiple neurites, wiry projections that help the nerve cells send and receive ...

Perhaps these individuals were a parent and child, or a large male and his diminutive mate. The details ... as they would for a human, but not a sideward-swaying chimp. Fine details also reveal ...