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TIL titanium can osseointegrate, which means that it can fuse with bones and is one of the reasons why it is used extensively in biomedical implants

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wLDwY TIL of Fermi's Paradox that proposes theory’s for why we haven’t heard from or seen any aliens. One of which being that they aren’t communicating because of an impending threat they know about, that we are not aware of.
NXAP1 TIL the boom in mathematics during the 17th and 18th centuries in the Western world is correlated with the development of artillery and the increasing need for military professionals, especially artillerists, to be skilled in mathematics
Ww8X TIL - The original female lead for Seinfeld was to be a waitress played by Lee Garlington. After Garlington presented some unwelcome suggestions to Larry David, the waitress was written out of the show and the Elaine Benes character was created.
GNgG [TIL] Crimea was one of the first carriers of the black plague back in 1346.
lnnr TIL that the biggest ever storm on record was Typhoon Tip in 1979 - 2,200km wide, 305km/h winds.