Snakes on the Caduceus are DNA

Early reference to Scientists Doctors who could manipulate DNA.

Quick double check and the Serpent in Maya is the vehicle for which celestial bodies cross the heavens.

Also pictoral references to snake gods. (who like gold.)

Enki's mother was a water dragon...

Quetzalcoatl = feathered serpent.

Kukalkan is a War serpent from Mesoamerica (also God).

Aido-Hwedo - African serpent god

Phoenicians had a serpent god which was called the Basilisk


etc...