The Hum

[Johnny Thunder]

http://news.bbc.co.uk/2/hi/uk_news/8056284.stm

[Revenant]

http://skeptoid.com/episodes/4090
There's also an MP3 version to listen to, if you're at work and cant take the time out to read. Sounds like there's a lot of hums out there.

In all the uncounted millennia of the world's existence, you'd think it would have learned the lyrics by now.

[Johnny Thunder]

http://news.softpedia.com/news/The-Source-of-Earth-039-s-039-Hum-039-Finally-Discovered-118738.shtml

[RoxyBlue]

I'll bet elephants could hear it:)

[sharpobject]

Hmmmmmm

[RoxyBlue]

Where's my tuning fork?:)