A recent study on chimpanzees in Taï National Park in Côte d'Ivoire, West Africa, revealed that chimpanzees are losing traditions of male mating gestures. This coincides with declining chimpanzee ...

AMES, Iowa – Iowa State University Anthropology Professor Jill Pruetz long suspected that man-made changes influenced the aggressive behavior researchers have observed among chimpanzees. However, her ...

Chimpanzees are more likely to engage in play or groom each other if they see others performing these social behaviors first, researchers report. Chimpanzees are more likely to engage in play or groom ...

Adolescents are known for risky behavior, with teenagers in the U.S. more likely than younger children to die from injury. But what’s responsible for this uptick in risk-taking around puberty? Our new ...