Researchers from the University of Pennsylvania have discovered key insights into the molecular basis of skin color variations among African populations. Their findings, published in Nature Genetics, ...

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 ...

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 ...