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.

Famed primatologist Jane Goodall, who died this week, had a special connection to Palm Beach County. Journalist Charles McKenzie recalls shadowing Goodall in the mid-1990s and being deeply impressed ...

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 ...