Just in case you ever thought you heard voices....
Earth Hums, and It's "Loudest" in Europe, Americas
John RoachAugust 10, 2009
Earth hums, and it's the west coasts of Europe and parts of the Americas that are the main sources of the sound, a new study says.
Since 1998 researchers have known that Earth emits a low-frequency hum inaudible to humans. The sound waves register on instruments used to detect earthquakes even when no quakes are occurring.Read more....
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