Why are Black History Month's colors red, black, green and yellow? Here's what each color represents.

Learning to name the colors is a ritual of childhood. At first kids have no clue; often they'll just say everything is "boo." Pretty soon, though, they can rattle off Roy G. Biv with aplomb. Still, ...

The color wheel was first developed by English mathematician and physicist Sir Isaac Newton, who discovered that white light (what we perceive as colorless daylight) is composed of a spectrum of ...