Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
Since 1982, a radio frequency emanating from Russia has been broadcasting a buzzer-like sound and, periodically, an unknown voice reads orders, names, and numbers. No one knows where exactly it is coming from or what it means.
13
An Australian study found that homework is of little to no academic value to students in elementary and junior high schools.
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The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
Leather skin does not have any smell. The leather smell that you sense is actually derived from the materials used in the tanning process.
23
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
If the human eye was a digital camera, it would have 576 megapixels.
25