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On Tuesday, May 28, 2002, at 12:19 , Ray Recchia wrote:
> My recollection was that nut cracking with rocks was a very difficult
> task to perform and had to be practiced many times before it could be
> done right.
Nut cracking is a difficult task. Some nuts are very hard,
especially the nuts atop necks in homo sapiens....
Brute force may or may not be a tool. Is that practice, or just
But, we do know these chimps don't have a ballet named after
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