(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 ...

University of Ferrara researchers in Italy have examined how European skin, eye and hair pigmentation evolved over the past 45,000 years. Findings indicate that lighter pigmentation traits emerged ...

Biology -- Skin's natural palette -- Original skin -- Out of the tropics -- Skin color in the modern world -- Shades of sex -- Skin color and health -- Society -- The discriminating primate -- ...

A smiling face made from living human skin could one day be attached to a humanoid robot, allowing machines to emote and communicate in a more life-like way, say researchers. Its wrinkles could also ...