Chimpanzees and bonobos structure their social relationships in similar ways to humans, according to a new international study led by researchers from Utrecht University and Universidad Carlos III de ...

Great apes appear to build friendships much like humans do. By studying grooming behavior, researchers discovered that chimpanzees and bonobos form close inner circles along with wider networks of ...

Their findings showed that chimpanzees—like humans—can change their minds based on the strength of available evidence, a key feature of rational thought. Working at the Ngamba Island Chimpanzee ...