Monkeys smashing nuts with stones hint at how human tool use evolved
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A capuchin monkey in Brazil hoists a stone tool to crack open nuts. Luca Antonio Marino, CC BY-ND Human beings used to be…
A capuchin monkey in Brazil hoists a stone tool to crack open nuts. Luca Antonio Marino, CC BY-ND Human beings used to be…
It was once widely believed humans were the only animals to use tools. Now, many different types of animals have been observed…