Red is the rarest hair color, but to understand why that’s the case, you need a basic grasp of the science. There’s a lot ...

Do you have blue eyes? We talked to experts to discover curious facts about baby blues, including whether your biological family is bigger than you ever imagined.

We see higher frequencies of light as blue or violet, lower frequencies of light are seen as red and orange. Green light is in the middle. Our eyes only detect three colours: red, green and blue.