10 Scientific Explanations for Famous Ghostly Phenomena

According to a 2005 Gallup poll, 37 percent of Americans believe in haunted houses, and according to a 2013 HuffPost/YouGov poll, 45 percent believe in ghosts. These are surprising numbers, but the next time you hear a spooky sound, don't call the Ghostbusters—get a scientist instead. Behind every shadow, poltergeist,… » 11/07/14 9:00am 11/07/14 9:00am