witches

This post appeared here originally on 31 October 2007 Have you ever wondered, perhaps on 31 October, why witches are depicted as riding brooms? The answer is alluded to by Karmen Franklin at Chaotic Utopia in her post as to why witches need to know their plant biology. The excerpts I'm about to give you come from a superb and accessible pharmacology text entitled, "Murder, Magic, and Medicine," by John Mann, host of the BBC Radio 4 series by the same name. Witches"Double, double toil and trouble Fire burn and cauldron bubble" - Macbeth IV, i Hallucinogenic compounds called tropane alkaloids…