The fascinating topic of human skin color is examined in this article from Muse magazine. It highlights a study done by a pair of scientists on the relationships among strength of sunlight, vitamins, and melanin in the skin. The results enhance our understanding of the evolution of skin color. Create a instructional activity of comprehension questions or hold a discussion about this intriguing information. It can be used in a biology class when studying adaptations or evolution, or it can be used in a health class when studying the function of vitamins.