Scientists wondered whether Kanzi had the capacity to play pretend – that is, act like something is real while knowing it's ...

Chimpanzees can change their minds when the facts no longer support their previous beliefs – a rational level of thinking that was once considered uniquely human. In a series of experiments designed ...

And chimps outperform humans. I once watched Matsuzawa show videos of his experiments with Ai and Ayumu at a conference attended by the world’s leading chimp researchers, including Jane Goodall, ...

Ever find yourself people-watching in a cafe, or tuning into reality TV just to see who's arguing with who? You're not alone—and it turns out, you might have more in common with chimpanzees than you ...

Add Yahoo as a preferred source to see more of our stories on Google. Chimpanzees show the capacity to revise their beliefs when presented with new evidence. (Innocent Ampeire/Ngamba Island Chimpanzee ...