“Higher melanin levels lead to darker pupils. Lower melanin levels lead to light or blue eyes.” Of course, not all blue eyes ...

A team of anthropologists in the UK recently experimented to explore the potential advantages of blue eyes under dim lighting ... a simple eye test in varying levels of light.

This research illuminates the genetic mutation behind blue eyes, providing significant insights into human evolution. Eye colour hinges on melanin levels in the iris; brown eyes are melanin-rich ...