Researchers at the University of Copenhagen suggest that a mutation that arose around 6,000 to 10,000 years ago was inherited by every individual who has blue eyes (original study here). This mutation, located within an intron in a gene called HERC2, reduces...

Blue for you: Danish researchers have concluded that the genetic trait that leads to blue eyes comes from the mutation of one gene some 6,000 to 10,000 years ago.Courtesy wikipediaDo you have blue eyes? If yes, youre genetically connected to Paul Newman, Brad...