Hektoen International

A Journal of Medical Humanities

Tag: nano-particle gold therapy

  • The Philosophers’ Stone: history and myth

    S.E.S. Medina Benbrook, Texas, United States   The ouroboros and the squared circle. The ouroboros is an ancient symbol where the metaphysical property of infinity is represented by a serpent or dragon swallowing its own tail. Its image is often used in alchemical texts from the Middle Ages. Contained within the ouroboros is the squared circle,…