Study: Infrasound likely a key factor in alleged hauntings - Ars Technica

Study: Infrasound likely a key factor in alleged hauntings  Ars TechnicaSpooky feelings in old houses may be caused by boiler sounds, study suggests | Psychology  The GuardianHaunted by Ghosts? New Study Provides a Surprising Explanation  GizmodoSensed a bump in the night? It’s not ghosts — just bad vibrations  The TimesNo, your house isn’t haunted by ghosts — spooky experts reveal simple explanation for things that go bump in the night  New York Post