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TIL: Playboy is also published in braille

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nAWG TIL Maj. Gen. Doug Pearson became the only “space ace” when he shot down a satellite orbiting at 345 miles while piloting an F-15 on Sept. 13, 1985.
d80NK TIL an american dentist inscribed the words "Remember Pearl Harbor" secretly in morse code inside the dentures of former Japanese PM Gen. Hideki Tojo who ordered the bombing of Pearl Harbor.
WkaQ9 TIL in a study of over 500 million users on a social media service similar to Twitter, researchers found different users share similar affective states- specifically the correlation of anger among users is significantly higher than that of joy.
aeZN TIL that David Hayter(the voice of Solid Snake from Metal Gear Solid), wrote the screenplay for Watchmen.
6EAvl TIL that the country of Paraguay runs on 100% hydroelectric power and only consumes 10% of the electricity it generates, exporting the rest. Almost all of this power comes from the Itaípu dam, which also provides over 25% of Brazil's electricity.