The death of a possible genius was reported this week. Ai, a chimpanzee who was born in West Africa and came to the Primate Research Institute of Kyoto University in Japan when she was a year old, has ...

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.

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 ...