When a male chimpanzee wants to hit on a female without causing a scene, he sometimes has to get a little creative. "The alpha male, he can mate with whoever he wants, whenever he wants ...

As the subordinates look on, he liberates M&M after M&M from the contraption - called Pan-pipes after the chimpanzee genus, Pan - designed to make chimps work for their treats. He's doing so by ...

The parallels between chimpanzee and hominin behavior challenge long-held assumptions. For decades, tool use was considered a uniquely human trait, tied to the emergence of the genus Homo.