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.” ...

Chimpanzees don't automatically know what to do when they come across nuts and stones. Researchers have now used field experiments to show that chimpanzees thus do not simply invent nut cracking with ...

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 ...

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 ...

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