Brown and hazel eyes get their color from melanin, the same pigment that colors your skin. The more melanin in the eye, the darker your eye color will appear. But blue eyes don't have any blue pigment ...

Like most human traits, blue eyes are determined by genes, and no two people have exactly the same hue. It works a lot like individual fingerprints, making our eyes two of the most distinctive parts ...

The well-preserved remains offered researchers a rare glimpse into a troubled infancy during the Upper Palaeolithic era.