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.
When prehistoric people re-sharpened cutting tools 300,000 years ago, they dropped tiny chips of flint—which today yield evidence of how wood was processed by early humans. The small flint flakes were ...
Monkeys in southern Thailand use rocks to pound open oil palm nuts, inadvertently shattering stone pieces off their makeshift nutcrackers. These flakes resemble some sharp-edged stone tools presumed ...
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 ...
In addition to using rocks for various purposes, such as cracking open a seed or fruit to extract the edible part, the Bearded or Black-Striped Capuchin (Sapajus libidinosus), a species of wild monkey ...
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