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TIL In the past decade about 7,800 independent (Mom & Pop ) pizza restaurants closed.

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9w09M TIL the body has about 0.2 milligrams of gold (worth about $0.012 as of writing this). This small amount of gold is naturally present in the body and plays a role in maintaining joint health and facilitating electrical signal transmission. The total volume of gold purified is 10 nanoliters.
ko47 TIL the King of Siam offered Lincoln war elephants to use against the Confederacy in the Civil War, and Lincoln rejected the offer.
VMep TIL George Koval: Soviet master spy that infiltrated the Manhattan project, stole nearly all of our nuclear secrets, single-handedly provided the key technology for Russia’s nuclear arsenal, and was only discovered as a spy in 2002.
1all7 TIL that the highest academic grade in most Russian exams is 5. When a student submits their paper with no questions answered, they may get 2 out of 5 instead of a zero grade for at least showing up and trying to solve the exam questions
loMnN TIL that Helium (He) is the only element on the periodic table that was not discovered on Earth. It was found when analyzing the sun’s spectrum, hence its name which comes from the Greek Titan of the sun, Helios.