Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

All blue-eyed individuals living today are necessarily descended from one individual. Such a framing must be weighed against the fact that every single human alive today is likely descended from that ...

A 2008 study was the first official research noting that a single genetic mutation from less than 10,000 years ago kicked off blue eyes. Fifteen years later and we're still enamored with the concept ...

Our remote ancestors likely had dark eyes, whether brown or black. Blue eyes are common in northern Europe and likely emerged some 5,000 years ago. This suggests that genetic evolution can be more ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

What determines the shade of your peepers? Experts weigh in on the rarest eye color in the world—and the genetics behind it. It’s said that our eyes are the mirrors of our souls, so it makes sense ...

They say the eyes are "the window to the soul" and there's certainly much to be told about the enigmatic complexity of their varied colors. Dr. Rupa Wong, a board-certified ophthalmologist who owns ...