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TIL In 526 there was a worldwide dust cloud that blocked out the sun for an entire year. It resulted in widespread famine and disease. More than 80% of Scandinavia and China starved to death, 30% of Europe died and empires fell. The cause is unknown.

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EXPP TIL That a 6 year study of the D.A.R.E. program showed that a “small but significant number” of suburban students were more likely to use drugs after participating in it than those who didn’t.
jNbkj TIL of Vozrozhdeniya Island, a piece of land that was once in the Aral Sea and home to an abandoned Soviet bioweapons research facility
YdYW TIL cats may run around after they poop because of an instinct to flee from predators who may have detected the smell.
p89Mp TIL that Heath Ledger prepared for the Joker role by going into complete isolation for 6 weeks in a hotel room with only a journal and comic books related to the script and Joker.
4wRN TIL that at its height in 1530, the Inca Empire was considered the largest in the world. 3 years later it had been effectively destroyed by Spanish invaders.