Researchers at the Max Planck Institute for Evolutionary Anthropology have recently found that chimpanzees use a variety of stone tools, depending on what kind of nut they want to crack. Image credit: ...

When you fancy a nut, chances are you’ll find a nutcracker and go to town to reach the prize inside. But did you know that humans aren’t the only creatures on Earth known to crack open nuts with ...

OXFORD, England, June 10 (UPI) --New research suggests the wild macaques of coastal Thailand have employed stone tools to pry open oysters and nuts for several generations. Their use of tools may date ...

A study of chimpanzees' use of hammers to open nuts in western Africa may provide fresh clues to how tools developed among human ancestors. A paper published in the May 24 issue of the journal Science ...

Macaques use stones as hammers to smash open food items like shellfish and nuts. (Lydia V. Luncz) When monkeys in Thailand use stones as hammers and anvils to help them crack open nuts, they often ...

Human beings used to be defined as "the tool-maker" species. But the uniqueness of this description was challenged in the 1960s when Dr. Jane Goodall discovered that chimpanzees will pick and modify ...