Red is the rarest hair color, but to understand why that’s the case, you need a basic grasp of the science. There’s a lot ...

Blue eyes are caused by a gene mutation. For years, researchers had searched for it on the OCA2 gene. The OCA2 gene determines how much brown pigment is in our eyes. But what they were looking for ...

I read countless young adult novels which described the captivating blue eyes or striking hazel hues of the female protagonists. ‘Boring’ brown eyes were hardly a fitting feature for the main ...

In most cases, you’d have blue eyes and hair somewhere on the spectrum of blond to brown or red hair with brown, hazel or green eyes. According to an article by evolutionary biology professor ...