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Red is the rarest hair color, but to understand why that’s the case, you need a basic grasp of the science. There’s a lot more to it than the simple traits we learned about in ...

Artificial blue light from devices and screens is not kind on your eyes or your overall health. Here are the best blue light ...

Blue-light glasses were everywhere a few years ago, promising to save our screen-obsessed society from ourselves.

I remembered this experience vividly as I read Imani Perry’s new book, Black in Blues: How a Color Tells the Story of My ...