Throughout the past year, my hair has endured a mystical assortment of colors, including blue, purple, red, dirty blonde and brown. I was basically a unicorn for a solid 12 months straight, and I was ...

Just because you want to color your hair doesn't mean you want the same color all the time. Wouldn't it be nice if it could change with the weather, or whether or not you're inside? You might get your ...

The color of light, expressed in Kelvins (K). The sun is about 5800 Kelvins. This is called a "temperature," because the hotter fire gets, the more it changes from a warm yellow glow to white. The ...