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March 10, 2015
What Determines Your Hair Color?
There's a lot of natural variation in the color of human hair. What's the physical explanation for the difference?Learn
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There's a lot of natural variation in the color of human hair. What's the physical explanation for the difference?Learn
Since when -- and why -- did long hair become the go-to feminine hairstyle? Cristen gets behind the hairy truth of how w