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Mysterious global 'hum' has tormented people for 50 years – scientists think they may have found a cause
(Jun/Getty Images Plus) For decades, some people around the world have reported hearing a strange, sonorous background tone ...
9don MSN
A Mysterious Hum Has Plagued the Earth for 50 Years. Scientists May Have Finally Found Its Source.
Since the 1970s, people across the world have reported hearing an inexplicable low-frequency droning. Scientists now think ...
If you're constantly plagued by a bizarre humming noise, scientists now have an explanation for it. This low–frequency sound, which is often experienced as a vibration, is heard by millions of people ...
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