Chimpanzees appear to execute Rational Evidence-Weighing in complex decision-making tasks. The experiments conducted demonstrated that chimps changed their minds when presented with stronger evidence.

Luella and Winthrop Niles Kellogg believed they could use their own child in a chilling experiment involving a chimpanzee. Toddler Donald Kellogg was just 10 months old when he became one of the ...

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, ...

Drumming and singing at the same time is impressive, whether you’re Karen Carpenter, Ringo Starr or a chimpanzee. Japanese ...

A recent study performed on chimpanzees demonstrates that chimpanzees possess cognitive flexibility similar to that of humans. When circumstances or evidence change, chimps appear to do the thing ...