The caduceus is the “Born in the U.S.A.” of Greek iconography: Everyone seems to think it stands for something it doesn’t. This ancient symbol, also called the Staff of Hermes, depicts two ...

The same archetype recurs in the two symbols of the medical profession: the more traditional Rod of Asclepius, god of healing, with one snake; and the more commercial Rod of Hermes, or Caduceus ...