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TIL penguins oil was an alternative oil product when seal oil resources were depleted on Antarctic islands

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gBry TIL in the 1500s, British sailors would receive rations of rum as partial payment. To ensure the rum wasn’t watered down, they would measure the proof by dousing gunpowder with it, & then test to see if the gunpowder would ignite. The gunpowder would only ignite if the rum was >57% alcohol by volume
l7KJ7 TIL that Qatar has sequenced the genes of around 10% of its citizens, as part of a genetic screening program as 26.7% of Qatari marriages are with first cousins.
loWRa TIL that Thomas Edison really couldn't stand Mathematics. He struggled getting through Newton's Principia Mathematica and so made it a priority to hire mathematicians.
j66ga TIL that hugging a cat or dog has been shown to reduce stress and anxiety, especially for people dealing with illness, depression and other .
OoDdg TIL Dinosaurs lived on the earth over a span of 200 million years. That means less time separates us from T-rex than T-rex from early Stegosaurus (an early dinosaur)