The Frog Who Croaked Blue: Synesthesia and the Mixing of the Senses

As little Edgar Curtis lay on his porch, he remarked to his mother how the noise of the rifle range was black, the chirp of the cricket was red, and the croak of the frog was bluish. Edgar, like many other people, has synesthesia - a fascinating condition in which music can have color, words can have taste, and time and numbers float through space.

Everyone will be closely acquainted with at least 6 or 7 people who have synesthesia but you may not yet know who they are because, until v…