Spooky feelings in old houses may be caused by boiler sounds. Inaudible infrasound from old pipes may affect how people feel. Even though it was beyond the range of human hearing, people were more irritable and levels of cortisol, the stress hormone, rose when the sound was switched on.
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#Infrasound #HouseMysteries #StressResponse
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#Infrasound #HouseMysteries #StressResponse
the Guardian
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
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Elephants communicate through ground vibrations thanks to large middle ear bones and a special muscle
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#ElephantCommunication #Infrasound #AnimalAcoustics
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#ElephantCommunication #Infrasound #AnimalAcoustics
Elephants communicate through ground vibrations thanks to large middle ear bones and a special muscle
Researchers may have uncovered the mechanisms behind elephants’ long-distance communication through ground vibrations: large and heavy ears and ear canals that
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