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WASHINGTON, Oct. 29, 2015 � Mummies, ghosts and vampires are three Halloween topics that can make your hair stand on end. But fear not, these classic figures are not as scary as they appear. Is it really possible that mummies, swamps and soap could all be related? Is ectoplasm real? Could vampires walk among us? Watch as Speaking of Chemistry’s Judy Lavelle explains the science behind these horrors and more: .

Speaking of Chemistry is a production of Chemical & Engineering News, a weekly magazine of the American Chemical Öйú365betÖÐÎĹÙÍø. The program features fascinating, weird and otherwise interesting chemistry topics. Subscribe to the series at and follow us on Twitter .