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 ...

Jane Goodall’s research at Gombe Stream National Park revolutionized our understanding of chimpanzee intelligence. In 1960, she observed a chimp named David Greybeard stripping leaves from twigs to ...

We all know that chimpanzees and other animals are extremely intelligent and deeply emotional. And now a recent and extremely detailed study shows just how smart chimpanzees can be and that there are ...

From problem-solving to emotional intelligence, these five animals exhibit brainpower that rivals humans.