“If a male fetus has more estrogen than average, it will more likely develop blue eyes and a more feminine face,” he explains ...

It found that blue -eyed male children were more socially wary than brown-eyed ones. No such significant variation was observed among female children. The study shows that in young children ...

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 ...