A new baby usually deprives each of it's parents around 350-400 hours of sleep in the first year. That is one entire nights sleep per week, per parent.
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Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
No piece of square dry paper can be folded more than 7 times in half!
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A typical full-time worker in the US with a four-year college degree earns about $50,000. This is 62% more than a worker with only a high-school diploma.
72
Any domino can knock over another object up to 1.5x its size. The 32nd object would be big enough to knock over the Empire State Building.
18
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
Each year, more than 50,000 people are injured by jewelry in the U.S.
29