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The Conversation USA

Monkeys smashing nuts with stones hint at how human tool use evolved

  • Written by Kristen S. Morrow, PhD Student in Anthropology and Integrative Conservation, University of Georgia
A capuchin monkey in Brazil hoists a stone tool to crack open nuts.Luca Antonio Marino, CC BY-ND

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 grass stems to use to collect termites....

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