Piecing together the puzzle of prehistory requires peering back into ancient genomes. http://ow.ly/S9Fje pic.twitter.com/BSIpH1fmKS
10:00 PM - 14 Sep 2015
0 replies
6 retweets
8 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.