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TIL I learned of the Fermi paradox, which states that if there was intelligent life elsewhere in the universe, they should have visited us by now

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a8W4b TIL about the Slave Narrative project that took place during the Great Depression. Created by the WPA, out-of-work writers were hired to collect the life stories of former slaves. 2,300 first-person accounts were recorded and archived.
PYXpw TIL Mount Rushmore was supposed to be a sculpture of each president from head to waist but it ran out of funding so only the heads were finished
KYQeB TIL when Rush guitarist Alex Lifeson was a teen, he dreamt of having a Gibson guitar. He would go to his nearest music store in Toronto, play Gibson guitars for about an hour before he’d get kicked out, and then he would come back to that store every weekend and repeat the whole process again.
1xAW TIL that the Chicago Cubs were the first baseball team to win back-to-back World Series; and haven’t won since
dDaPr TIL that a 20th-cent scientist called Margarita Salas discovered the order in which messenger RNA is read, as well the existence of S Φ29 phage DNA polymerase. Through her work, she created a way to replicate trace amounts of DNA into quantities large enough for full genomic testing