It's impossible to kill yourself by holding your breath.
22
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
An iceberg contains more heat than a lit match.
73
Mentally doing a task makes you better at it. Your mind can barely tell the difference.
18
The longest Monopoly game in history lasted 70 straight days.
124
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
By raising your legs slowly and laying on your back, you can't sink in quicksand.
105