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TIL Female anaconda sometimes eats the smaller male after mating, Sexual cannibalism provides female anacondas with a lot of nutrients, useful for them because they fast for seven months while pregnant.

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9w65p TIL that when the Arctic ground squirrel hibernates it's body temperature can reach -2.9 degrees. It can prevent it's blood from freezing by cleansing it's body of ice nucleators which enable the development of ice crystals. This is being studied to help preserve human organs for transplant.
l78ZB TIL that the heart of Washington DC in the mid-19th Century was a literal open sewer
8e0d8 TIL the most expensive fossil ever sold at auction is a mostly complete skeleton of a Stegosaurus known as Apex which sold for $44.6 million to billionaire Kenneth C. Griffin. It's the largest and most complete known Stegosaurus skeleton, with 254 bones preserved out of approximately 319.
5Dj9 TIL that in 2009 two nuclear submarines (French and British) collided into one another in the Atlantic… because they couldn’t detect one another.
oxbL TIL Kraft Macaroni Cheese (Microwaved macaroni with synthetic powder cheese) is Canada’s national dish and is the most sold grocery product in the country.