The medical term for hair graying is canities. Hair turns gray (or white) when your hair follicles stop creating melanin. Melanin is the substance that gives your skin and hair color.
You may want different lens colors for the same activity in different conditions. For example, skiers often use gray or brown tints on sunny days and yellow or orange when it's snowing or hazy. Green ...
New York Giants kickoff returner Eric Gray won’t get a lot of credit owed to him, but the second-year running back who has been the team’s primary kickoff returner has improved significantly ...
In addition to its incredible length, the Yao women’s hair is said to keep its color for longer, as they do not begin to get gray hair until they reach their 80s. The Yao women credit the length ...