Genetics are a big part of it, like you would expect, but its a bit more nuanced than what we learned in high school biology.

Add Yahoo as a preferred source to see more of our stories on Google. Portrait of three young woman with different skin tones smiling while taking a selfie together in a train. Human skin, hair, and ...

Researchers from Dresden investigated how four Drosophila genes, known to control eye color, are essential for health of retinal tissue The Kynurenine pathway is an evolutionary conserved metabolic ...

Cat-like eyes show up in searches everywhere. If the internet is this obsessed with eye color, how rare are green eyes in humans? They’re uncommon enough that seeing them still feels like spotting a ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. They say the eyes are "the window to the soul" and there's certainly ...

Metabolic pathways consist of a series of biochemical reactions in cells that convert a starting component into other products. There is growing evidence that metabolic pathways coupled with external ...

You're introduced to someone and your attention catches on their eyes. They might be a rich, earthy brown, a pale blue, or the rare green that shifts with every flicker of light. Eyes have a way of ...

A new wave of research challenges the century-old dominance of Mendelian genetics in classrooms, urging educators to embrace ...

Eye color is an important identifier used to describe someone's appearance in media, social interactions, and by state and national databases such as the driver's license division or passport office.

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 ...