In this photo taken Oct. 2, 2013, in Tbilisi, Georgia, David Lordkipanidze, director of the Georgia National Museum, holds a 1.8 million-year-old pre-human skull and jaw found in 2005 in the ground at... more 
In this photo taken Oct. 2, 2013, in Tbilisi, Georgia, David Lordkipanidze, director of the Georgia National Museum, holds a 1.8 million-year-old pre-human skull and jaw found in 2005 in the ground at the medieval village Dmanisi, Georgia. The discovery of a 1.8 million-year-old human ancestor, the most complete ancient hominid skull found to date, 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