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151

TIL Celery makes some People's tongues numb

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via reddit.com

VBN6p TIL that sloths can hold their breath underwater for up to 40 minutes, surpassing dolphins in this regard.
b6Woa TIL candles made out of iron and sodium chlorate produce oxygen on submarines by burning at 600°C/1,112°F. They're also used in space (on the ISS, Mir and Shuttles)
VQAm TIL That for every dollar the US owes another country, it is owed 89 cents in foreign debt
m11DR TIL about the Elephantine Colossus: A 200-foot-tall elephant-shaped hotel that was built on Coney Island in 1885, that housed a concert hall, museum, observatory, and more. It later became a brothel but burnt down on 27th September 1896 following a mysterious incident.
kOGR7 TIL: that the Nasa funded a project created by Carl Sagan to teach english to a dolphin with the help of masturbation and lsd. The dolphin ended up killing himself, and also, he was Flipper.