Wild capuchin monkeys can understand cause and effect well enough to use rocks to dig for food, scientists have found. Capuchin monkeys often use tools and solve problems in captivity and sometimes in ...

Capuchin monkeys use stones almost half their body weight as tools to open shellfish, nuts and other foods — among the first of its kind to do so You can save this article by registering for free here ...

A few million years ago, our human ancestors began picking up rocks and using them as tools, marking the beginning of the Stone Age. Now a group of monkeys in Panama may have entered a Stone Age of ...

Researchers say that capuchin monkeys made ancient stone tools discovered in Brazil. Previously academics believed that they were evidence of early human habitation. Capuchin monkeys are capable of ...