The Hum

[Sunrise Lord]

I hear this all the time.  I'd really like to know what it is.

 

 

http://www.nbcnews.com/science/mysterious-hum-driving-people-crazy-around-world-6C10760872

[The_Fnorrll_Reborn]

Aliens.

[Sunrise Lord]

That'd be pretty cool, actually.

[Ryrin]

Shadow People.

[Elgee]

Good grief that would drive me batty! The throbbing hurts my ears. And I thought the incessant alarms going off in our area was bad.