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Fighting may have shaped evolution of human hand

From: sheri p.
Sent on: Thursday, December 20, 2012 11:43 AM
http://www.bbc.co.uk/news/science-environment-20790294

I found this to be interesting because I never knew:

Our closest relatives, chimpanzees and bonobos do not generally form fists, and the researchers think they are unable to: when a chimp curls up its fingers it forms a doughnut shape.




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