More than 10% of the world's salt is used to de-ice American roads.
54
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
The higher someone’s I.Q. the more likely they are to be sleep deprived.
29
There are more than 10 million bricks in the Empire State Building!
75
No piece of square dry paper can be folded more than 7 times in half!
26
30 years ago, you could buy a lifetime, unlimited first-class travel pass with American Airlines for $250,000.
14
Standard paper cannot be folded in half more than 7 times.
232