From colour-changing fire trucks to 'The Dress', many optical illusions have baffled the internet over the years. Now, a scientist from Harvard Medical School has discovered an illusion that might be ...

For decades, people have wondered about the true color of acting legend Elizabeth Taylor's eyes: Were they blue velvet, dark denim, deep purple or vivid violet? Such is the legend surrounding the ...

For decades, people have speculated about Hollywood icon Elizabeth Taylor's eyes, questioning their true hue: Are they blue velvet, deep purple or vivid violet? Such is the legend surrounding Taylor's ...

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 ...

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 ...

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.