Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

New research on chimpanzees is forcing scientists to rethink where the line between human and animal minds really lies. In ...

Chimpanzees change their choices when stronger clues appear and stay the course when only weaker hints came in.

A study reveals chimpanzees exhibit evidence-based reasoning, challenging the belief that rational thought is uniquely human.

— -- Unseen by anyone else on a hike, a snake crosses your path. What would you do? Chimps, our closest animal cousins, emit soft hoots to warn their unaware friends about the unseen danger. But ...

It’s the strongest evidence yet that we share the planet with another rational being,” said Duke University evolutionary ...

Chimps may revise their beliefs in surprisingly human-like ways. Experiments showed they switched choices when presented with stronger clues, demonstrating flexible reasoning. Computational modeling ...

New research suggests chimpanzees can rethink their choices when new evidence emerges, a hallmark of human-like reasoning. Credit: Shutterstock A new study published in Science shows that chimpanzees ...