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Add Yahoo as a preferred source to see more of our stories on Google. They say that eyes are the windows to the soul. Often, a person's eye color is the first thing we notice about them when we meet ...

Genetics, right? Sort of. Scientists just learned it’s a bit more nuanced than high school biology.

Brown is the most common eye color worldwide by a large majority. In contrast, green is one of the rarest eye colors worldwide. The color of the eyes depends on how much melanin the eyes contain.

A person’s eye color depends on how much of a pigment called melanin is stored in the front layers of the iris, the structure surrounding the pupil. Specialized cells called melanocytes produce the ...

Eye color genetics is complex, with multiple genes from each parent determining a person's eye color. Scientists once believed a single gene controlled eye color, but research shows that more than 50 ...