New research shows that all blue-eyed people share a common ancestor. This person lived more than 6,000 years ago and carried a genetic mutation that has now spread across the world. The exact ...

Blue-eyed folks may be rarer, but their eye color has a fascinating history. All blue-eyed people can trace their ancestry back to a single genetic mutation that occurred thousands of years ago in ...

Thus, it's possible that blue-eyed people ended up having more of a competitive edge in this geographical area as blue eyes were rarer. As they explain in the paper, “The rare-colour advantage ...