The discovery of a Stone Age man with the genes for blue eyes and dark skin has revealed that blue eye colour probably spread through the European population earlier than fair skin.
Mesolithic man reveals origins of blue eyes, lactose intolerance
Evolution of milk oligosaccharides: Origin and selectivity of the
What humans may have looked like 7000 years ago
Mesolithic man reveals origins of blue eyes, lactose intolerance
DNA secrets of Ice Age Europe unlocked - BBC News
News - ALTANet
Evolution of milk oligosaccharides: Origin and selectivity of the
Australian Aboriginal identity - Wikipedia
Blue eyes in the Stone Age