Have you ever bought a new tire for your car, and noticed a red, yellow, or blue line on it? How about colored dots? No? Until recently, we didn't notice colored dots on new tires, either. This got us ...

Plato's dialogue Cratylus begins with a debate. Socrates is asked whether the sounds of words are simply arbitrary conventions, as Hermogenes suggests, or if sounds are reflective in some way of their ...