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TIL about YInMn Blue, the first non-organic shade of blue discovered in over 200 years. It was discovered partly by accident by Mas Subramanian, who is now looking for a similar non-toxic bright-red pigment.

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7r0NX TIL Steve Jobs presented the first Macintosh with a Japanese painting because he was inspired by Zen Buddhism and his love of Japanese cuisine, but there was another lesser-known facet of Jobs' interest in Japanese culture: he was an ardent fan and collector of shin-hanga, or modern woodcuts.
wyW1 TIL that in 1937, the Soviets started construction of the 1,624ft ‘Palace of the Soviets’ tower (almost as tall as the Taipei 101 tower) with a huge (328ft tall) statue of Lenin on the top. WWII stopped construction, and the foundations were turned into the world’s largest swimming pool
XXkE TIL In Switzerland it is required by law to have a nuclear bunker in houses and other dwellings to protect citizens in the event of nuclear war or terrorist strikes.
veLr TIL letters sent to London Newspapers by Jack The Ripper had a sample of saliva from their stamps tested in 2006. The results seemed to point to the sender of the letters being a woman.
a4yM TIL There is a species of ants that have formed a single global super-colony