30 years ago, you could buy a lifetime, unlimited first-class travel pass with American Airlines for $250,000.
14
Any domino can knock over another object up to 1.5x its size. The 32nd object would be big enough to knock over the Empire State Building.
18
Less than 3% of the water produced at a large municipal water treatment plant is used for drinking purposes!
24
On average, 100 people choke to death on ballpoint pens every year.
72
Real diamonds do not show up on x-ray.
36
The best diamonds are colored blue-white.
80
You burn 26 calories in a one minute kiss.
605
The glue on Israeli stamps is certified kosher.
67