Some forms of colorblindness may actually afford enhanced perception of some colors, according to findings reported this week in Current Biology by John Mollon and colleagues at the University of ...

Stanford scientists warn that color blindness can make it difficult to notice an important symptom of bladder cancer — blood in the urine — and is associated with increased mortality. This was ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Color blindness is known to ...

Anyone with normal color vision agrees that blood is roughly the same color as strawberries, cardinals and the planet Mars. That is, they're all red. But could it be that what you call "red" is ...