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TIL there's a max height that water can be sucked up a straw: 10 meters. At 10 meters, a perfect vacuum is created at the top of the straw, and water will begin boiling spontaneously.

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N7y9b TIL that three suburban towns on eastern Long Island are seeing skyrocketing cancer rates. Meanwhile, breast cancer alone on all of Long Island is 13 to 18 times higher than the state average, and has been for decades.
dYmB TIL the Bororo are one of the few groups of people who all have the same blood type. They all have type O blood.
jN0LX TIL Martin Luther King Jr. Day, the federal holiday in the US marking the birthday of Martin Luther King Jr. was signed into law on November 2, 1983. As of 2007, only 33% of employers gave employees the day off.
v1AgK TIL in Iceland people light candles for the huldufólk, hidden elves, during New Year's Eve to help the huldufólk find a new home for the year.
MYn0 TIL Jon Burge, Chicago Police Comander, tortured black people for 30 years and wondered out loud if jury would “believe that bunch of niggers.” Only gets convicted of perjury after years of support by Fraternal Order of Police