Brown eyes are rich in melanin, which not only gives them their color but also provides natural UV protection. Hazel eyes are a mix of brown, gold, green, and sometimes even gray. Depending on the ...

Each participant's eye color, as well as those of their lover and their parents, was logged. Then, the researchers ...

In fact, only 2% of the world's population has this iris color. In comparison, approximately 70 to 80% of humans have brown eyes, 8 to 10% have blue eyes, 5% have hazel eyes, and 3% have gray eyes ...