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 ...

* Purple is a non-spectral color created by the brain from red and blue signals * Individual differences in eyes and brain make each person see colors uniquely * All colors we //perceive, including ...

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 ...

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.