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TIL that Loreta Janeta Velazquez was a Cuban-American woman who masqueraded as a male Confederate soldier during the Civil War. She was in essence a 19th century Mulan.

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wL48J TIL synthetic stone can be cured with UV light to be 3D printed into a strong light thermally resistant wall!
pRKb TIL That dolphins give each other unique names, just like humans. They use distinctive whistles to identify each other.
DQE1V TIL about Leila Denmark, an American pediatrician who was seeing patients until age 103
pYPAN TIL The London Bridge, built in the 1830’s, spanning the River Thames, was relocated in 1971 to Lake Havasu City, Arizona where it is still in use.
QNgJk TIL a common way to treat severe epilepsy is to sever the Corpus callosum, splitting the brain in half. Patients who undergone this have little to no change in function.