To measure nut cracking ability in chimps, the research team broke it down into five types of ability: how long it took, number of strikes per nut, success rate, number of times a strike moved a nut, ...

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.” ...

During fieldwork aimed at documenting the stone tool use of a group of wild chimpanzees in the Taï Forest in Cote d'Ivoire in early 2022, the researchers identified and 3D-scanned a variety of stone ...

University of Tübingen researchers show that orangutans do not need to be taught how to use a hammer Using an object to crack nuts is considered one of the most complex tool-using behaviors in the ...

Chimpanzee culture is more similar to human culture than often assumed, new research suggests. Chimpanzees don’t automatically know what to do when they come across nuts and stones. Researchers have ...