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TIL In the 1960s, the sugar industry funded research that downplayed the risks of sugar and highlighted the hazards of fat.

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W6A8 TIL Punxsutawney Phil performs worse at predicting the weather by his shadow than he would by chance
4alw TIL Sperm whales only have one blow hole which evolved from the left nostril. The right nostril is located inside the front of the whale’s head and has evolved into a pair of lips used for echolocation.
klB5 TIL Futurama writer Ken Keeler invented and proved a mathematical theorem strictly for use in the plot of an episode
rWrM TIL A Koi fish named Hanako lived for 226 years!
b6kO4 TIL the transistor was patented 21 years before a working one was actually created.