Chimpanzees Made Decisions That Left Scientists Questioning What Makes Humans Unique ...

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 ...

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 ...

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, ...

When caretakers tried to retrieve the crystal from the chimps’ enclosure, they had to exchange it for favoured snacks of bananas and yoghurt. A second experiment showed that the chimps could identify ...