Seeing is believing, but what about hearing? Since the 1970s, a small percentage of people all over the world have detected a mysterious sound just on the edge of their auditory range. Some folks ...
In 1994, researchers at the University of New Mexico sent out a survey to 8,000 residents near Taos, N.M., to ask them about a mysterious low-frequency hum that had been bothering people there for at ...
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