#Europeans mated with #Neanderthals and gave them weaker immune systems than #Africans @qz http://bit.ly/2eZGFQl
3:00 AM - 25 Oct 2016
0 replies
8 retweets
7 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.