Writing inside eggs is invented by Naples polymath Giambattista della Porta. In the 16th century he uses this method to smuggle messages...

Rosicrucianism is the study or following of a movement based in Renaissance thought, popular in the 17th century. Rosicrucians explore...

Pseudo-Democritus numbers among the Alexandrian alchemists and writers, with works appearing in the early centuries AD. Originally...

Alchemy is central to the theory of the collective unconscious, a quest for personal and universal truth. Accepting the dual nature of...