In many countries, urine was used as a detergent for washing.
17
You can actually sharpen the blades on a pencil sharpener by wrapping your pencils in aluminum foil before inserting them.
209
At the time of your birth, you were, for a few seconds, the youngest person on the planet.
30
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
In 21 U.S. states, WALMART is the single largest employer.
13
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
New York's Central Park is nearly twice the size of the entire country of Monaco.
42
No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
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