› added 5 years ago

493

TIL that over 500 operating room fires occur every year in the U.S.

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Y7Drv TIL some plants like kiwifruit, wild taro, pineapples have microscopic sharp crystalline needles called raphides.
R5VB4 TIL a significant part of what is now Belgium skipped Christmas in 1582, going from December 20th on the Julian calendar to December 31st on the Gregorian calendar.
R7Gn1 TIL People who walk, bike, or take some form of mass transit to work weigh less, live longer, and have lower divorce rates than commuters who drive. They also have lower rates of depression, more free time, and a more robust social life.
gMOrD TIL of Laura Bridgman, the first deaf-blind American child to gain a significant education in the English language, fifty years before the more famous Helen Keller. Boston, Massachusetts, c. 1845.
v1GX8 TIL that Mount Everest's Peak XV was calculated to be exactly 29,000 ft, but was publicly declared to be 29,002 ft in order to avoid the impression that an exact height of 29,000 ft was nothing more than a rounded estimate.