Groups of chimpanzees in West Africa use stone tools in distinctly different ways to crack open nuts. Researchers used 3D scans to trace wear patterns on the tools, called “hammerstones” and “anvils.” ...

Chimpanzees perched in the lush forests of West Africa, cracking nuts with carefully selected stones, might not just be feeding themselves—they may also be revealing secrets about our ancient ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

A male individual cracking nuts using stones. Credit: Dora Biro. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing ...