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hirundo
on April 19, 2020
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Mystery of two-million-year-old stone balls solved
Here's a video of a capuchin monkey demonstrating the technique on a nut:
https://www.youtube.com/watch?v=Mvt9ZZis3GY
So this is more of a simian tool than a human one.
mkl
on April 19, 2020
[–]
The monkey didn't create its tool by shaping an appropriate rock to suit the purpose.
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Search:
https://www.youtube.com/watch?v=Mvt9ZZis3GY
So this is more of a simian tool than a human one.