PEOPLE - Natural selection has altered the appearance of Europeans over the past 5,000 years

Anthropologists at Johannes Gutenberg University Mainz and geneticists at University College London, working in collaboration with archaeologists from Berlin and Kiev, have analyzed ancient DNA from skeletons and found that selection has had a significant effect on the human genome even in the past 5,000 years, resulting in sustained changes to the appearance of people ...

http://phys.org/news/2014-03-natural-europeans-years.htm