If you get water flowing fast enough, it can cut metal.
354
The strangers in your dreams are actually people that you've seen in real life.
50
Less than 3% of the water produced at a large municipal water treatment plant is used for drinking purposes!
24
It's impossible to sink in the Dead Sea without equipment!
72
To get a song out of your head, try doing something like a puzzle or Sudoku.
13
It is impossible to hum if your nose is plugged.
366
Each year, more than 50,000 people are injured by jewelry in the U.S.
29
If the human eye was a digital camera, it would have 576 megapixels.
25