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 ...

Watch nuts crack in extreme slow motion at 2204 FPS and discover the surprising physics behind the impact. Every tiny detail ...

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 ...

Archaeologists and primatologists have shown that stone tool using chimpanzees in West Africa have distinct and recognizable material cultures. During fieldwork aimed at documenting the stone tool use ...