Sam's Club is among the food makers removing artificial dyes from products, yet hoping shoppers don't notice a difference in ...

NPR's Jacki Lyden talks with Weekend Edition Saturday math guy Keith Devlin about a recently solved mathematical puzzle -- the "Four-Color Problem." A computer-generated proof shows that any map ...

Do photos that look great in Photoshop Elements appear dull and lifeless on the Web? Joe Kissell investigates the problem (at the behest of a well-known Parisian food writer) and finds a solution or ...

Color perception is an ancient and active philosophical problem. It’s an instance of the wider category of sensory perception, but since the color spectrum fits on a single line (unlike, say ...

A family in the Netherlands has a rare and perplexing brain condition that helps explain how we recognize color.

Even further, seeing color is not racism. Racism is when we regard one color as superior, better, more acceptable, more desirable, and ideal than other colors.

Multiple pie charts are not the only problem with figures from the Jerusalem Post. Two mistakes with using color are pointed out.

In 1902, Emily Noyes Vanderpoel, a 59-year-old artist, historian and collector of exotic artifacts, published a book called “Color Problems.” Written for interior decorators and florists ...