Together, they make the white light you see when ... energy level. Blue light has shorter wavelengths and higher energy than other colors. Some research shows a link between eye damage and short ...

You probably know a number of people who have blue eyes (and you may possess them yourself), but just about 10,000 years ago, blue-eyed folks were unheard of. For a long time, all humans had brown ...

from the University of Copenhagen to suggest that blue-eyed individuals are all linked to the same ancestor. In Britain, having brown eyes actually puts you in a minority (Credits: Getty Images ...

while only 8 to 10% of people worldwide have blue eyes, 5% have hazel eyes and about 2% of all people have green eyes. But brown eyes aren’t quite as dominant in the United States. According to ...