The iconic blue dye used in jeans is based on the compound indigo. While industrial dye is not food-safe, the base molecule ...

Think about your favorite shirt. What color is it — and how did it become that color? The dye manufacturer tested different types of fabrics to see how the color would look on each. The manufacturer ...

Death might not be a clear-cut event, as gamma brainwaves may persist even after other signs of life have ceased. Near-death experiences suggest the brain could launch a desperate effort to find ...