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TIL brazil declared war on germany in WW1

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VMr1m TIL that the ability of mantis shrimp to detect polarised light has inspired cancer-detecting technologies bc light reflects differently from cancerous and healthy tissue
XEaAr TIL some southern states offer bounties on beaver tails, with some areas paying $75 per tail.
OGBdY TIL about Dick, Kerr Ladies F.C. One of the earliest women's football clubs in England. They played from 1917 to 1965, playing 833 games, winning 759, drawing 46, and losing 28. In 1920, Dick, Kerr Ladies defeated a French side 2–0, that was the first international women's association football game.
e0xrL TIL in 1916, German spies blew up a munitions depot at Black Tom Island in New Jersey, killing five people. The explosion was registered at 5.5 on the Richter scale—30 times more powerful than the World Trade Center collapse on 9/11. So loud that it shook buildings in five states as far as Maryland.
B8Ok TIL the Weather Channel admits to exaggerating the probability of rain. This is because if the correct low probability of precipitation is given, viewers may interpret the forecast as if there were no probability of rain, and then be upset if it does rain.