Spooky feelings in old houses may be caused by boiler sounds, study suggests

Inaudible infrasound from old pipes and ventilation systems may affect how people feel, research indicates ...
Everyday Health on MSN

Noiseless ‘Infrasound’ May Explain Feeling Creeped Out in Spooky Places

New research uncovers a possible cause for feelings linked to paranormal activity: sound too low to hear that still stresses ...