The Healthy @Reader's Digest on MSN

This is the rarest eye color in the world

No two people in the world have the same color eyes. Experts weigh in on the genetics that cause the rarest eye color in the ...
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How Rare Are Green Eyes, And What Genetics Says About Their Origins

Cat-like eyes show up in searches everywhere. If the internet is this obsessed with eye color, how rare are green eyes in humans? They're uncommon enough that seeing them still feels like spotting a ...