(Special to The Root) — Skin color is one of our most important biological traits. Its many shades evolved as humans moved far and wide into regions with different intensities of sunlight. Skin color ...

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Sarah Tishkoff Of the University of Pennsylvania led a collaborative team of researchers who have discovered key insights into the molecular basis of skin color differences among Africans. “There’s so ...

The commonly accepted theory of skin color evolution holds that early humans developed lighter skin as they moved away from Africa and into Europe’s northern latitudes. The idea was that lighter skin ...