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TIL that a 645-foot deep Kansas salt mine is used to store valuable items including many film negatives, such as “Gone With the Wind,” “Ben Hur,” “Star Wars,” “MAS*H” and “Journey to the Center of the Earth.”

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via reddit.com

5YYjQ Mycelium — the hidden root of mushrooms — is incredibly strong and can withstand a lot of compression and tension. Most materials are only strong from one direction. But mycology materials are tough from all directions and can absorb a lot of force without breaking. So it can withstand as much weight as a brick, but won’t shatter when you drop it or when it experiences a hard impact, said Travaglini.
WAGo TIL of Verkhoyanks, a town in Russia where the average temperature is -45C/-49F. In the middle of a 7 month winter the 1300 residents were attacked by a pack of 400 wolves.
N7b4b TIL Humans didn’t have a way to describe the color blue until relatively recently. Homer’s The Odyssey doesn’t contain a single instance of the word ‘blue’.
Z8Zep TIL China killed off two AI chatbots after they start criticising communism and praising the US.
rNAb4 TIL that scientists created a 60 year long experiment in Siberia, selectively breeding wild foxes who showed friendly traits. 40 generations later they were as friendly as dogs!