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 ...

Medically reviewed by Christine L. Larsen, MD Photophobia is an abnormal sensitivity to light. It is associated with dry eye ...

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 ...

Like most human traits, blue eyes are determined by genes, and no two people have exactly the same hue. It works a lot like ...

2. Blue eyes: People with blue eyes are peace lovers and we already know that love brings that with it, but it also brings a little turbulence because not everything is pink. Being within a ...

This trait is particularly prevalent in some European populations, where up to three out of four people may have blue eyes. The reason behind the persistence of such colored eyes alongside darkly ...