No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
-64
If you flip a coin ten times, the odds against its coming up with the same side showing each time are 1,023 to 1.
39
When glass breaks, the cracks move faster than 3,000 miles per hour.
47
30 years ago, you could buy a lifetime, unlimited first-class travel pass with American Airlines for $250,000.
14
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
Passengers on the Beijing subway can pay with plastic bottles.
29
On average, a disposable diaper can hold up to 7 pounds of liquid.
22