Mysterious Humming Pt. 2

Mysterious Humming Pt. 2

By Spotify Studios

It’s distracting at best, and destructive at worst — but what actually causes the Hum? Some say it’s produced by active natural gas lines. Others point to military planes sending low-frequency transmissions. And a few suggest it’s a government attempt at mind control.  Learn more about your ad choices. Visit podcastchoices.com/adchoices
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