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
In a year approximately 900 million trees are cut down to make the raw materials needed for American pulp mills and paper.
-16
Caffeine boosts memory.
405
Babies are born without knee caps.
78
You can actually sharpen the blades on a pencil sharpener by wrapping your pencils in aluminum foil before inserting them.
209
The best diamonds are colored blue-white.
80
One human hair can support 3 ounces.
191
You can start a fire with ice.
367