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 ...

It’s not unusual for chimpanzees to fight. Chimpanzee society is naturally aggressive and even violent. However, visitors at the Los Angeles Zoo probably didn’t expect this chimpanzee brawl to look ...

Chimpanzees have a reputation for being aggressive, while bonobos are often seen as their peaceful counterparts. This contrast has frequently been used to explain different sides of human nature.

The investigative minds at How to Survive examine the unpredictable aggression and immense strength of chimpanzees while teaching desperate defensive responses.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. An experimental study of modern chimpanzees has documented patterns of ...