Deion "Coach Prime" Sanders is going through one of the toughest personal battles of his life, as a health issue has kept him away from the field in recent months. The NFL Hall of ...

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 ability to see the full visible spectrum remains a mystery for nearly 300 million people worldwide. Men are significantly more affected than women by this condition, a disparity that ...

"Women can experience color blindness, but it's quite rare and is usually caused by something other than genetics," Abugo ...