We humans may no longer have tails, but perhaps we have more in common with our smaller primate relatives than we thought.
, but perhaps we have more in common with our smaller primate relatives than we thought.
The finding raises the possibility that hand-crafted tools were initially the result of incidental use. As stones where smashed against larger anvils – a behavior still seen among crab-eating or long-tailed macaques in Thailand – sharp flakes of stone that broke free may have provided the community with another useful instrument by happenstance.
, were fairly simple. They were stone cores that had been shaped to create a sharp edge used, archaeologists believe, for cutting, chopping, scraping, and butchering.Tool use is not unique to humanity, however, and there are a number of primates that are known to use stones to perform percussive tasks – cracking open nuts or shellfish, grinding seeds, and digging up roots.
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