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TIL: One of the most expensive books ever listed on Amazon was a biology textbook about flies selling for $23,698,655.98 USD- due to a competitive dynamic pricing algorithm gone mad; discovered by accident when a post doctoral student wanted to buy a copy of the out of print book.

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Wjr8 TIL there’s a Japan indoor vegetable-factory that produces 10,000 heads of lettuce a day while using just 1% of the amount of water needed for outdoor fields. LEDs emit light at ideal wavelengths for plant growth, while also optimizing night and day cycles, allowing lettuce to grow 2.5 times faster.
6j88 TIL People don’t swallow 8 spiders a year, or likely any spiders ever.
8epRL TIL about the "Greenbrier Ghost," whose testimony from beyond the grave helped convict her murderer in a landmark court case.
0wOyp TIL Montezuma's Headdress/Crown still exists and is in Vienna.
nMk7 TIL The most powerful sidearm ever issued by the US military was the Colt Walker of 1847. It weighed 4.5 pounds, had a 9" barrel, and fired a .44 caliber projectile with the muzzle energy of a .357 magnum. It had an effective range of 100 yards, but was prone to blowing up in the shooter’s hands.