SYSK Selects: How The Hum Works
Published June 9, 2018
40 min
    Add to queue
    Copy URL
    Show notes
    There is a mysterious droning sound often described as like a diesel engine idling that is severely impacting the quality of life of 2 percent of people in places around the world. The thing is, no one knows what's causing it - or if it actually exists.

    Learn more about your ad-choices at
        0:00:00 / 0:00:00