Cauldrons — cooking vessels — have been part of the human experience and have captured the human imagination for a very long time, from the ancient Celtic cauldron myths to Shakespeare's archetypal vision of three crones and their bubbling brew to the cauldron cults of the African diaspora.But far more than a simple vessel, the cauldron becomes in many cultures synonymous with larger internal and external processes — with the alchemical journey of the transformation of the soul, with yoga, with consciousness, and ultimately with the universe itself. Today on The Emerald, we look at cauldrons, inner and outer.Support the show