Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
Q-Tip Cotton Swabs were originally called Baby Gays.
55
Water is actually naturally blue.
48
Only humans shed emotional tears.
331
If left alone, 70% of birthmarks gradually fade away.
193
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
Bullet proof vests, fire escapes, windshield wipers, and laser printers were all invented by women.
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