When a baby is born, they may have red, purple, yellow, or blue skin. Skin color variations in babies do not usually signify an underlying condition, but some skin colors in babies can be the result ...

This article is a continuation of last week’s story that looked at the evolution of human skin color. To review, the first humans had light skin that was covered in hair all over their bodies. These ...

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 -- ...