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TIL Alexander Fleming discovered penicillin through his hobby of microbial art. Leaving a Petri dish painting of bacteria unattended for two weeks it was being killed by Penicillium fungus. Thus the antibiotic properties were studied leading to Penicillin.

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LL9P TIL Texas no longer offers a special “last meal” to condemned inmates. Instead, the inmate is offered the same meal served to the rest of the unit.
AeXa TIL: The United States government spends nearly twice as much money on inmates than they do on students
78rQP TIL of 'Truck Wages' or 'Company Scrip, where an employer will pay employees in company minted money that is only redeemable in company owned stores. It is referenced in the sea shanty 'Wellerman' and the last company to get sued for using it was Walmart Mexico.
6E7NQ TIL due to high ruble inflation during the fall of the USSR, parody dollar bills dropped by AC/DC during their concert in Moscow were used in monetary transactions and considered more valuable than rubles.
nAx9 TIL: That you need 60 votes in the Senate to confirm a Supreme Court Justice. But only 50 votes to change the rule to make only 51 votes necessary to confirm a Supreme Court Justice.