Physicists and vision scientists are lining up behind a provocative claim: the rich color we call purple is not a property of light at all, but a story the brain tells itself. Light in the real world ...

Spring and summer bloom with a vibrant array of indulgent color: a fanfare of fuchsia, sunshine-yellow, neon-orange and bright purple in wildflowers, lilies, agapanthus and more. But see all of those ...

Add Yahoo as a preferred source to see more of our stories on Google. Summer is here and parents are doing their annual swimsuit shopping. It may be a life or death decision to consider color and ...