NEW YORK -- Call them knockoffs. Rock-smashing monkeys in Brazil make stone flakes that look a lot like tools made by our ancient ancestors. Scientists watched as Capuchin monkeys in a national park ...
Capuchin monkeys in Brazil have been seen making sharp stone flakes. It was previously thought that only humans and their ancestors had flaking... Those Ancient Stone Tools — Did Humans Make Them, Or ...
A capuchin monkey in Costa Rica. Scientists studying the stone-smashing habits of bearded capuchin monkeys in Brazil have found that the primates inadvertently produce stone flakes that look very ...
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