More than 10% of the world's salt is used to de-ice American roads.
54
30 years ago, you could buy a lifetime, unlimited first-class travel pass with American Airlines for $250,000.
14
No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
154
If the human eye was a digital camera, it would have 576 megapixels.
25
There are 293 ways to make change for a dollar.
148
The original game of "Monopoly" was circular.
230
