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TIL that the entire liver of a Polar Bear contains enough vitamin A to kill as many as 52 adult humans

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78rxP TIL that in the early 20th century, explorers discovered archaeological ruins at Friggs Fjord in northern Greenland, comprising the northernmost permanent settlements in human history. Due to the proximity to the North Pole, much of the year was spent in darkness.
E1xwd TIL In 1969 Forrest Parry, an IBM engineer, had the idea to affix magnetic tape to a plastic card. Every adhesive failed. He went home frustrated. His wife was ironing when he walked in. She suggested he fuse the tape onto the card with the iron. It was a success, and the magstripe card was born.
X0ZZE TIL the American Dennis The Menace comic strip is still being produced, after being first introduced in 1951.
b9vNE TIL in 1856 an American clipper was approaching Cape Horn when its captain collapsed, leaving his 19-year-old wife to navigate through one of the world's deadliest sea passages. She commanded for 56 days, faced down a mutiny, and navigated the clipper ship into San Francisco
dn99 TIL Dentist and explorer Weston Price went on an expedition looking for tribes with a vegan diet, he only found cannibals.