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TIL a Galápagos tortoise believed extinct since 1906 was rediscovered in 2022 on a remote island.

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mxxWx TIL Beaver teeth are orange because they contain iron. This gives them strength and prevents against tooth decay
R7Nn4 TIL that in World War II, the Allies suspected the Nazis of using the Leaning Tower of Pisa as an observation post. A US Army General was sent to evaluate the scenario but was so impressed by the beauty of the campanile that he refused to order an artillery strike in order to preserve it.
jNaX TIL the groove on your upper lip just below your nose is called a philtrum. It is common among many mammals and has no known function.
R5897 TIL of a bee that eats dead flesh and produces "meat honey."
e0vo4 TIL that the colour that you see when your eyes are opened in a dark room has a name. It's called 'eigengrau', which means intrinsic gray. It's the shade of dark gray people see when there's no light.