Paper money is not made from wood pulp but from cotton. This means that it will not disintegrate as fast if it is put in the laundry.
37
A man earned 4 million airline miles for free without breaking any laws by using his credit card to purchase free-delivery $1 coins from the U.S. mint.
11
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
There was once an undersea post office in the Bahamas.
241
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
244
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
More than 10% of the world's salt is used to de-ice American roads.
54
By raising your legs slowly and laying on your back, you can't sink in quicksand.
105