Study: Infrasound likely a key factor in alleged hauntings

The next time you walk into a purportedly "haunted" house and sense a ghostly presence, consider that those feelings might be due to vibrating pipes, mechanical or climate control systems, rumbling from traffic, or wind turbines, rather than anything paranormal. That's the conclusion of a new paper published in the journal Frontiers in Behavioral Neuroscience. All of those are sources of infrasound.

Scientists have long sought to find logical explanations for alleged hauntings. In 2003...