The modern European gene pool was formed when three ancient populations mixed within the last 7,000 years.
Blue-eyed, swarthy hunters mingled with brown-eyed, pale skinned farmers as the latter swept into Europe from the Near East.
But another, mysterious population with Siberian affinities also contributed to the genetic landscape of the continent.
The findings are based on analysis of genomes from nine ancient Europeans.
Click here to read the entire story in BBC News and thanks to John Phillips and Doyle Phillips for the tip.