Mount Everest Still Holds Mysteries For Scientists

The world's tallest peak. It's so iconic. It's so classic. You'd think we'd have learned everything there is to know about it by now, but you'd be wrong. Scientists still can't even agree on the exact height of the mountain. And what's more, they're not even sure what kind of rocks the mountaintop is made of...

http://www.npr.org/2012/03/16/148753432/mount-everest-still-holds-mysteries-for-scientists

Hube