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 ...
When monkeys in Thailand use stones as hammers and anvils to help them crack open nuts, they often accidentally create sharp flakes of rock that look like the stone cutting tools made by early humans.
An international team of scientists, led by Dr. Tomos Proffitt from the Max Planck Institute for Evolutionary Anthropology, made a discovery that challenges long-held theories of human evolution. The ...
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