“If a male fetus has more estrogen than average, it will more likely develop blue eyes and a more feminine face,” he explains. “This association is absent in women because a female fetus ...

All blue-eyed people have one ancestor in common, born around 6,000 to 10,000 years ago. Blue eyes are caused by a gene mutation. For years, researchers had searched for it on the OCA2 gene.

And why did we grow up all having dolls with blonde hair and blue eyes? Why weren’t there any black dolls when we grew up? For the vast majority of my life I thought that straight hair or ...

A cutting-edge scientific analysis shows that a Briton from 10,000 years ago had dark brown skin and blue eyes. Researchers from ... about 40 years "So to come face-to-face with what this guy ...