http://youtu.be/yAzWNkCMt8w Ancient DNA Reveals That Some Neanderthals Were Redheads http://www.sciencedaily.com/releases/2007/10/071025143311.htm Science writer Carl Zimmer speaks at Yale Medical School about how new discoveries about Neanderthals are helping us better understand what it means to be human. For more information, see http://carlzimmer.com
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