Well, if you have brown eyes, congratulations—you’re in the majority, as HowStuffWorks explains. Nearly 80 percent of people worldwide have some shade of brown, ranging from light caramel to ...

1. Brown eyes: Brown eyes are probably present in the greatest number of people, but beyond that it shows that they are really sexy people during a romantic relationship. As we mentioned ...

This person lived more than 6,000 years ago ... The OCA2 gene determines how much brown pigment is in our eyes. But what they were looking for wasn't there at all. The mutation was found on ...