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151

TIL in the early 20th century tipping was considered deeply un-American and made illegal in 7 states

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pYdvN TIL the original aluminum apex of the Washington Monument was the largest piece of aluminum in the world, measuring just 5.6 inches (14 cm) by 8.9 inches (23 cm) because at the time (1884) aluminum was as rare and as valuable as silver
7rnob TIL that Isaac Newton at height of his career gave up science to run the mint in London, where he spent the rest of his life chasing counterfeiters and dabbling in alchemy and mysticism. He died in 1727 at age 84, apparently a virgin.
rR5ry TIL comedian Jon Stewart, who met his wife Tracey on a blind date set up by a producer on the film 'Wishful Thinking', proposed to her through a personalized crossword puzzle created with the help of Will Shortz, the crossword editor at The New York Times.
7bRX TIL That the ‘Warp Core’ shown in “Star Trek: Into Darkness” is not a set piece or prop, but actually the experimental nuclear fusion reactor at The National Ignition Facility.
yQePp Crested pigeons have specialized feathers that signal danger when they flee from an apparent threat.