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TIL in 1997, a physics student demonstrating the Leidenfrost effect by holding liquid nitrogen in his mouth accidentally swallowed the substance, resulting in near-fatal injuries. This was the first case in medical literature of liquid nitrogen ingestion

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168dr TIL "Willie McBride," the fallen soldier eulogized in the folk song "No Man's Land (Green Fields of France)," is both fictional and real. The writer invented his name, but several young men named "William McBride" did die in World War I and match some or all of the song's description.
aw61o TIL Bob Marley’s son, Damien, bought a 77,000 square foot prison in California for $4.1 million to convert into a medical weed growing facility. The operation has created over 100 jobs and generated millions in tax revenue for the state.
OGa1g TIL There are actually multiple definitions of 'real'. In 1972, Nobel Prize winning theoretical physicists, John Clauser, Anton Zeilinger and Alain Aspect showed that the 'local realism' view of the universe is likely to be false. Meaning: the world exists only when you're looking at it.
QYkd TIL that the meme about the Asian woman who got plastic surgery and got sued by her husband after having ugly kids was actually just a model who appeared in an advertisement. She is now unable to get modelling work, despite never having received plastic surgery.
YOr7 TIL James Earl Jones was a functional mute until high school, briefly studied pre-med in college and was a US Army Ranger during the Korean War.