Or maybe you have a unique physical trait like a rare eye color. ... There are four main eye colors in the human population. These are brown, blue, hazel and green.

Eye color is a distinct part of your features, unique to you. In fact, no two people in the world have the same color eyes. And if you’ve ever wondered what the rarest eye color is, you’re not ...

Complete heterochromia: Each eye has a completely different color. Imagine a green eye and a hazel eye, or a blue eye and an amber eye. This striking contrast is very rare in humans, but more ...

Inspired by nature, scientists created a self-powered device that recognizes color just like our eyes, paving the way for ...

It may also be one of the oldest eye colors in humans. Around 10,000 years ago, everyone on Earth had brown eyes. The melanin helps protect the eyes from the sun, which is why brown eyes are most ...

Humans tend to prefer dogs with darker eyes, scientists have found, which could be linked to how they evolved from wolves. Dogs evolved from their closest relatives, gray wolves.

New Color Never Before Seen by the Human Eye Discovered by Scientists, Study Claims. The new color, "olo," is a hyper-saturated version of blue-green. By. Rachel Raposas. Rachel Raposas.

Most babies are born with blue eyes, but that eye color may not last long. During the first year of your baby’s life, you’ll see their eyes reveal a unique shade. Here’s what you need to ...