James Noonan

Sep. 12, 2008

Genes -- And How Humans Got Their Dexterity

We use our hands to play flamenco guitar, crochet a sweater and grip a baseball bat...but how did we get such great dexterity? In this segment of Science Friday, guest host Joe Palca takes a look at how humans came up with such a great hand.

hand, opposable thumbs, limb development

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