Saturday, April 23, 2016

A strange sound called 'the hum' might be driving people crazy

All around you are sounds, right? You might be reading this on a laptop with a whirring fan, or on your phone on a rattling subway, or even at home, with music or the air-conditioner on, adding a thin layer of white noise to everything you hear.
Now take all that away. What's left?
For about 2% of people, it's "the hum."

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