I'm thinking *Iodine* and the conspiracy theory about Project Cumulus and the 1952 Lynmouth Flood The Napoleonic bit refers to Barnard Courtois discovery of Iodine while developing a process to synthesize saltpeter from seaweed. Steve Mikell [log in to unmask] The Question: This element is essential for human health but not for plants. An experimental application of this element resulted in a natural disaster in 1952. A final clue - the Napoleonic Wars. What element is being described? ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________