Your Facebook friends may be falsely identifying themselves as tetrachromats, thanks to a color test that has been making the rounds. After the color controversy over a black and blue dress, or is it ...

Your Facebook friends may be falsely identifying themselves as tetrachromats, thanks to a color test that has been making the rounds. The article, which cites Professor Diana Derval, who lists herself ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Your Facebook friends may be falsely ...

Humans rely on sight, which is primarily mediated by three color-sensing cone types, to perceive the world in a kaleidoscope of hues. Blue cones develop earliest, followed by the morphologically ...

First-ever images of living human retinas have yielded a surprise about how we perceive our world. Researchers at the University of Rochester have found that the number of color-sensitive cones in the ...