Add Yahoo as a preferred source to see more of our stories on Google. Illustration: Guardian Design (Illustration: Guardian Design) It started with an argument over a blanket. “I’m a visual ...

A new test called "Is my blue your blue?" reveals how different -- or similar -- your color perceptions are compared to everyone else. First there was “the dress,” then there was the sneakers, now ...

There are three main types of color vision deficiency: red-green, blue-yellow, and complete. Color blindness, or color vision deficiency, affects the way you perceive color and can make it hard to ...

This story is part of a series on the current progression in Regenerative Medicine. This piece is part of a series dedicated to the eye and improvements in restoring vision. This marks the first story ...

An estimated 300 million people worldwide are color-blind. This typically means they can't distinguish certain shades of color, they struggle to tell how bright colors are or, more rarely, they can't ...

First there was “the dress,” then there was the sneakers, now there’s a debate over the color blue. If you’ve ever argued with a friend over whether something is blue or green, you’re not alone. A new ...