For most of human history, green eyes didn’t exist. Understanding why they do now means rethinking what we know about evolution itself.

Add Yahoo as a preferred source to see more of our stories on Google. The white part of our eyes is known as the sclera. Blue, green, amber: Someone’s eye color immediately attracts our attention. But ...

Green eyes have fascinated humanity for thousands of years. They have inspired myths, folklore, literature, and more re ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. This voice experience is generated by AI. Learn more. This ...

Lock eyes with a chimpanzee, and you will notice something is missing. The tissue surrounding their iris, called the sclera, is a deep brown or nearly black. You cannot easily tell where they are ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: Eye color comes down to a pigment ...

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 ...

Blue, green, amber: Someone’s eye color immediately attracts our attention. But there’s something unusual about human eyes: We have a large visible area of white that surrounds the iris. Most other ...