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.

Young chimpanzees learn their communication style from their mother and maternal relatives, but show little similarity to the communication behavior of their father and paternal relatives, according ...

Picture a baby chimp clinging to its mother's back, wide eyes taking in everything around it. Just like human babies, these little ones start life completely helpless, relying on their mom for ...

Young chimpanzees are remarkably innovative, inventing tools and improving on ones that adults use—and this technical know-how could hold the key to better appreciating the role of children in the ...

A series of stunning findings about great apes’ mental capabilities in recent years has transformed how we see our closest relatives ...

The riskiest behavior in humans peaks in adolescence. Researchers from the University of Michigan and James Madison University expected to find risky behavior to peak in adolescence in a study of ...

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 ...