› added 5 months ago

15

TIL screwworm, a nasty parasite that can kill hosts used to be common in southern USA and Mexico. Program in place for several decades have virtually eliminated all screwworm all the way to Panama/Colombia border

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XdKk TIL pure water does not conduct electricity and is an excellent electrical insulator.
7WdO TIL a high school in Tucson, Arizona had a Mexican American/ethnic studies program that graduated 93% of its students (vs. the 48% of Latinos graduating statewide) before it was banned for being un-American in 2010.
xVRx7 TIL Isaac Newton poked his eye with a sewing needle to learn more about light by seeing how altering the shape of his eye would change his perception - he recorded seeing colored circles and other visual phenomena.
aw1EA TIL that Alexander alekhine the great chess player was forced to play a match to decide his fate . If he lost he would have been executed. He won !
4p0g TIL that Stalin was only 5 ft 4 in tall. He had painters shot who didn’t depict him “right.”