This photo taken Oct. 2, 2013, in Tbilisi, Georgia, shows a pre-human skull, that was found in 2005 in the ground at the medieval village Dmanisi, Georgia. The discovery of the 1.8 million-year-old ... more 
This photo taken Oct. 2, 2013, in Tbilisi, Georgia, shows a pre-human skull, that was found in 2005 in the ground at the medieval village Dmanisi, Georgia. The discovery of the 1.8 million-year-old human ancestor captures early human evolution on the move in a vivid snapshot and indicates our family tree may have fewer branches than originally thought, scientists say. (AP Photo/Shakh Aivazov) less 
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Associated Press | Photo By Shakh Aivazov
Thu, Oct 17, 2013 2:38 PM EDT