Feet Hold The Key To Human Hand Evolution

Scientists simulated the change from an ape-like hand to a human-like hand.

From The BBC:

Scientists may have solved the mystery of how human hands became nimble enough to make and manipulate stone tools.

The team reports in the journal Evolution that changes in our hands and fingers were a side-effect of changes in the shape of our feet.

This, they say, shows that the capacity to stand and walk on two feet is intrinsically linked to the emergence of stone tool technology.

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