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 ...

Research has found that people with light-colored eyes, such as blue and gray eyes, are more sensitive to light than people with dark-colored eyes, such as brown eyes. Several studies have found ...

For the first time, humans might have glimpsed a rainbow of color that lies just beyond our sight – including a "blue-green ...