› added 2 years ago

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TIL that the oxygen for emergency masks on planes does not come from tanks, but instead from a chemical reaction

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yVVpJ TIL Napoleon made Bavaria a kingdom, adopted his wife's non-noble niece, gave her a title and dowry, and got her engaged to a powerful prince, just so he could get his step-son to marry another powerful princess, who had been previously engaged to the prince
XEOxr According to the independent research group Shrink That Footprint, apartments in Hong Kong are on average the smallest in the world (484 sq ft). The average one-bed flat size in Manhattan, New York, is 716 sq ft, in London, it is 550 sq ft. And soon, by converting drainpipes into homes, flats in Hong Kong are set to shrink even more.
WkpON TIL Chiropractic was founded by a traveling religious miracle healer who belived that magnets could cure diseases. He was sent to jail in Iowa in 1906 for practicing medicine without a license. The American Medical Association later labelled chiropractors an "unscientific cult."
groX9 TIL the average minor spends about 7 hours per week with their father, but about 15 hours a week on video games.
N7VlQ TIL Fresh snow absorbs sound, lowering ambient noise over a landscape because the trapped air between snowflakes attenuates vibration. That´s why it gets so quite when it snows.