Brown eyes are the most common in the world compared with blue and green. This may be the world's most prevalent eye color — approximately 79% of the world population has some shade of brown ...

Across the world, 8% to 10% of people have blue eyes, which is still second place to brown eyes, which 70% to 80% of all ...

Gray eyes are a less common eye color. While they may look similar to blue eyes, they often have a silvery or smokey appearance, sometimes with hints of green or hazel. Only about three percent of ...

In humans, phenotypically, eye color falls into one of these basic categories -brown, blue or green. Brown eyes are the most common (due to their dominant nature), followed by blue and then green.

What does a flower look like to a hummingbird? New research says it’s probably nothing like what humans perceive because ...