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TIL Dick Van Dyke got his first TV job as a game show host for the original The Price Is Right in 1956

7rZjP TIL that while scientists were analyzing prehistoric worms recovered from permafrost, two 40,000 year old nematodes 'revived' and began moving and eating, making them the oldest multi-cellular life alive on Earth.
0wrG1 TIL the bell sounds at the start of "Hells Bells" were made by a bell custom made for AC/DC. It was a replica of the Loughborough War Museum's Denison Bell, which the band could not record due to pigeons in the tower interrupting.
WPgA TIL to keep the plot twist in ‘Empire Strikes Back’ a secret George Lucas filmed Darth Vader delivering the line , “No, Obi-Wan killed your father!”. Mark Hamill was only told the truth moments before filming, and only he, Lucas, and the director knew about the twist until it was revealed in cinemas
YpjeP TIL farmers in Africa use beehives to protect their crops from the largest and arguably most destructive crop pest in Africa: the elephant. Bees can’t sting through their thick hides but they can sting sensitive areas like the eyes, mouth, and inner trunk - they hear the hive buzzing and flee.
0nvN TIL bear bile farms actually have some scientific basis because bears are the only mammals that naturally produce large amounts of UDCA in their bile. UDCA is FDA approved for treatment of gallstones. On the other hand, it can be synthesized without any harm to bears.