17: Infrasound linked to spooky effects- msnbc.com

Sunday, January 17, 2010 | Source: http://www.msnbc.msn.com/id/3077192/

Natural sounds at frequencies so low they can′t be consciously heard by humans may be behind the feelings and phenomena associated with hauntings, scientists say.

View the full article at http://www.msnbc.msn.com/id/3077192/.

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