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Ancient Skull Shows What the Last Common Ancestor of Apes and Humans Looked Like

The 13-million-year-old infant skull was unearthed in Kenya in 2014 and will help researchers understand how climate, ecology, geography, and other factors were key to evolution.

August 11, 2017
12:25 PM EDT
The extinct primate may have looked like a baby gibbon. | trato/Shutterstock