The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
The original game of "Monopoly" was circular.
230
Wearing red increases attraction.
30
Japanese engineers were asked to redesign the front end of the Bullet Train because it carried enough speed to create a sonic boom whenever it exited a tunnel. Residents could feel the blast from miles away.
11
It's impossible to kill yourself by holding your breath.
703
In the case of an emergency, a Crayola crayon can be used as a candle and will burn for about 15 minutes.
36
If you counted 24 hours a day, it would take 31,688 years to reach one trillion!
44
On average, a disposable diaper can hold up to 7 pounds of liquid.
22