Though the reason behind this action is unclear, researchers suggest socially consuming alcohol may have offered evolutionary benefits to a common ancestor of both humans and chimps ...

Since alcohol can sometimes reduce stress levels, the fruit may be encouraging social behavior in the chimps, according to a ...

The chimpanzee approaches the camera and appears to recognize that it is different from her environment, video footage shows. She picks up a long stick, uses it to probe the camera and then appears to ...