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TIL People with Type O blood are bitten by mosquitos nearly twice as often as some other blood types.

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8aPrZ TIL of a tradition in the United States Senate whereby a senator who sits at a particular desk near a busy entrance keeps a drawer full of candy for members of the body.
N7NNP TIL Canadian police gave 40,000 "positive tickets" a year to youths. The initiative ended up reducing complaints about youth by 50% and transformed the relationship between cops/kids. "If you reward good behavior, your return on investment will be more good behavior."
dDraE TIL That During Segregation, It Was Illegal In the State of Alabama For a Black Person And a White Person To Play Checkers Together.
XE6jX TIL that Inventor Lewis Latimer, not only made Thomas Edison's Light Bulb more efficient & practical, he invented an Apparatus for Cooling & Disinfecting, making rooms more sanitary & climate-controlled. He also improved the design of elevators & co-invented (1874) a toilet for train cars.
j6dlp TIL about Yang Kyoungjong, a Korean soldier during WW2 that was conscripted to fight for Japan, was then captured and forced to fight by the Russians, and then again captured and forced to fight for the Germans at Normandy. He was then finally captured by the Allies and sent to the US.