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TIL due to the historically long bond between dogs and humans, dogs have evolved to understand human laughter.

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QNWEe TIL Studies have found that the amount of plastics that humans inhale or ingest results in a credit cards’ equivalent of microplastics in the bloodstream.
v1GYB TIL of John Jones. A medical student who was trapped in the Nutty Putty cave while spelunking in 2009. Rescue attempts were unsuccessful and the cave entrance was eventually sealed with concrete. John's body is still there today.
nKw9 TIL a term for gay used to be “Friend of Dorothy”. In the 80s , the Navy believed that there actually was some woman named Dorothy at the center of a massive ring of homosexual military personnel, so they launched an enormous and futile hunt for the elusive “Dorothy”.
8amnK TIL in “Mein Kampf,” Hitler praises America as the one state that has made progress toward a primarily racial conception of citizenship, by “excluding certain races from naturalization.”
mBbp TIL there is a foundation (Project Prevention) that pays crack addicted women $300 to get sterilized.