The Hum Solved? Is It Caused by…Fish Sex?

You may have heard about The Hum, an inexplicable low-frequency noise reported by people in far-flung regions around the world for at least the past 40 years.

The Hum can be excruciating for some people, resulting in headaches, dizziness, sleeplessness and nosebleeds.

And it’s not in their heads, either. The Hum has been captured many times. Listen.

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