Do you have blue eyes? We talked to experts to discover curious facts about baby blues, including whether your biological ...

Animals see differently than humans. Cats can navigate low-light environments, but what about their perception of color?

The human eye can see only a small portion of the light spectrum, but what lies beyond? Discover the fascinating world of unseen colors and explore the limits of human vision.

Light helps explains the evolution of our skin color, why some of us have curly hair, and the size of our eyes. And light ...