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TIL Lyndon Johnson was the only President sworn in by a woman; it occurred on Air Force One after Kennedy’s assassination.

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b6XQp TIL In 2021 a new species of fish was identified that has the smallest adult brain size of all known vertebrates. It's also the loudest of all known fish relative to its size.
nWpgo TIL about how the Vikings used the sod roof as an insulator method, it helped keeping their houses warm at winter and cold in the summer, it also helped prevent fires and floods.
6EyYX TIL that the northern lights shows us why there is life on Earth.
dDvmQ TIL that in 1885 the U.S. Army Corps of Engineers used 300,000 pounds of explosives to annihilate Flood Rock island in New York City's East River as part of clearing Hell Gate for safer navigation. It's been described as "the largest planned explosion before testing began for the atomic bomb".
D1aNe TIL That on 1961 Brazil and France had a conflict named "The Lobster War", where Brazil argued that they had the right to fish lobsters because "they crawl at the continental shelf" while France contested that "Lobsters swim".