The riskiest behavior in humans peaks in adolescence. Researchers from the University of Michigan and James Madison University expected to find risky behavior to peak in adolescence in a study of ...

Scientists have identified dozens of previously overlooked cultural behaviors in wild chimpanzees, suggesting that the great ...

For all the diversity of the human condition, one experience is almost universally painful: adolescence. It's also unusual.

Picture a baby chimp clinging to its mother's back, wide eyes taking in everything around it. Just like human babies, these little ones start life completely helpless, relying on their mom for ...

Human communication is a complex weave of words and gestures — a mix of vocal and visual signals. "People use vocal and visual communication in a very rich and combined way," says Joseph Mine, a ...

A young chimp hangs from a branch with its mother's hand nearby at the Ngogo Chimpanzee Project at Kibale National Park in Uganda. ANN ARBOR—If you've ever spent time with a toddler, you might be ...