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TIL The Vatican operates a telescopic observatory in Arizona

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MedWV TIL that a lasagna can act like a battery, when stored in certain conditions. In a "Lasagna Cell", a steel pan acts as the cathode and an aluminum foil covering as the anode. The foil can get corroded away and form holes where it touches the top of the lasagna.
neJaW TIL that the Library of Congress is actively seeking volunteers to help transcribe 16,000 Pages of Suffragist Diaries, Letters, and Documents to create a searchable database where people can read original source documents.
OxyY TIL Russia has laws to fine parents for “failing to perform parental duties for raising minors” if their kids act up.
oRj6Y TIL a man who developed 'popcorn lung' after years of inhaling the smell of artificial butter flavoring from daily consumption of microwave popcorn sued Gilster-Mary Lee Corp. and King Soopers for failing to warn on labels that the flavoring diacetyl was dangerous. In 2012, he was awarded $7,217,961
P6Rw TIL that Napoleon Dynamite cost only $400,000 to produce, and grossed about 10 times more than the production price.