Scientists in California claim to have discovered a new jaw-dropping color no human has ever seen before. The catch? You have to zap your eyes with laser pulses to see it. Five scientists at the ...

Have you ever locked eyes with someone and wondered how rare their eye color is? While some people have striking blues or deep greens, the truth is that most of the world shares just a few dominant ...

That mirror you look into every morning is revealing more about your pain tolerance than you ever imagined. The same genes that determine whether you have brown, blue, green, or hazel eyes are also ...