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TIL the actual valve in freeze-proof outdoor faucets is way back inside the house, on the warm side of the insulation

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VOR8 TIL Obsidian (volcanic glass) scalpels are used for surgery because they are sharper than high-quality surgical steel. The blade is just 3 nm thick while DNA is 2 nm thick.
OGBQY TIL Each of your 10,000,000,000,000 cells has 1.8 meters of DNA.
KO8j4 TIL more people have been to the moon than the deepest part of the ocean: the Mariana Trench. Only three people ever went there: two scientists aboard the Trieste in 1960, and film director James Cameron in 2012
9rYr TIL Sir Christopher Lee not only fought Yoda and Gandalf, but he is also veteran of WWII. Oh, and he sings in a power metal band that tells the tale of Charlemagne… He’s 92.
yDnM TIL A man who’s filed over 10,000 lawsuits sued Guinness World Records for naming him The World’s Most Litigious Man