Like most human traits, blue eyes are determined by genes, and no two people have exactly the same hue. It works a lot like ...

Before then, everyone had brown eyes. Blue eyes have probably spread through the population just because some people like how they look and chose to have children with blue-eyed people.

“Don’t It Make My Brown Eyes Blue,” Opry member Carrie Underwood walked onto the Ryman stage to sing with her. Then, she made ...

Depending on the lighting, they can even shift colors like a mood ring ... Today, only 10 percent of the global population has blue eyes, with the highest concentration found in Northern Europe.

Blue eyes: People with blue eyes are peace lovers ... Green eyes: A person with green eyes is always like a drop of life on every occasion. Not to exaggerate but they are definitely the life ...

All blue-eyed people have one ancestor in common, born around 6,000 to 10,000 years ago. Blue eyes are caused by a gene mutation. For years, researchers had searched for it on the OCA2 gene.