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TIL NASA often shows the movie “Armageddon” as part of its management training program and asks its new staff to find as many scientific-inaccuracies as they can (there are at least 168).

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R7X4a TIL that as far as the Catholic Church is concerned, beavers are fish.
lAwa TIL that in 1912, 3,020 trees were sent from Yokohama to Washington, D.C., as a gift from the people of Japan to the people of the United States.
nWXxo TIL the BIPM doesn't use a physical rod that's exactly 1 metre similar to the physical "Kilogram" specimen, instead use concise measurement of light & time defined in 1984 by the CGPM as the distance light travels, in a vacuum, in 1/299,792,458 secs with time measured by a cesium-133 atomic clock.
m54Y TIL firefighters used to dip their beards in water and breathe through the wet hairs clenched between their teeth before breathing apparatuses were invented.
MeN8K TIL in 2005 a barber sold Neil Armstrong's hair, after giving him a haircut, for $3000. Neil Armstrong threatened legal action. Currently his hair is being sold at £399 for each half inch strand.