The color purple has long been a symbol of royalty, creativity, and mystery. But according to science, it's also something else: a figment of our imaginations. While it looks just as real as red or ...

Week to week, season to season, Severance viewers rabidly comb over plot revelations, character dialogue, and even the smallest of set props as they try to piece together the show’s central mysteries.

In many organizations, red and blue teams still work in silos, usually pitted against each other, with the offense priding itself on breaking in and the defense doing what they can to hold the line.

Many of us develop strong attachments to particular colors, but purple brings out the most focused and enthusiastic devotion. What makes purple so distinctive? Part of the answer comes from optics.