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TIL that continents move at the same rate fingernails grow

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jNwaQ TIL that adolescents who smoke marijuana as early as 14 do worse by 20 on some cognitive tests and drop out of school at a higher rate than non-smokers. But if they hold off until age 17, they're less at risk, and performed equally well as adolescents who did not use cannabis.
6bAY TIL that it took the creator of the Rubik’s cube, Erno Rubik, over a month to work out the solution to his own puzzle.
O1v6 TIL Dumb people over estimate their abilities. Smart people under estimate their abilities. Dunning-Kruger.
MV7a TIL there is a plan to elect the US president by popular vote that doesn’t require a constitutional change and it 49% complete.
rRGx1 TIL that Farsi (Persian) is a completely gender neutral language with no distinction between he and she او.