Who doesn't love walnuts?! They make the perfect healthy snack for almost every occasion. However, removing the walnut kernels from the shell is quite tedious. The hard shell is too tough to crack ...

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 ...

Monkeys are more skilful in using tools to crack open their favourite nuts than we thought. In addition to breaking nuts open with stones and copying more experienced individuals, they exercise a ...