“So while Pauling struggled with his model, Watson and Crick turned theirs inside out, so the negative phosphorus ions wouldn’t touch. This gave them a sort of twisted ladder—the famed double helix.” DnaJames WatsonDouble HelixFrancis CrickLinus PaulingMolecular StructureNucleic Acids Book:The Disappearing Spoon: And Other True Tales of Madness, Love, and the History of the World from the Periodic Table of the Elements Source: The Disappearing Spoon: And Other True Tales of Madness, Love, and the History of the World from the Periodic Table of the Elements