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TIL there is a province in Italy where 62% of the population uses German as their first language

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nWr69 TIL Stanford engineers made a folding origami microscope that costs less than $1 to make. 50,000 microscopes were shipped to 130 countries in 2014 to see what people will do with it
mxlnx TIL that while the moon’s diameter is 400 times less than that of the sun, it’s also about 400 times closer to earth. That’s why solar eclipses happen to work out so well on earth.
ANJg7 TIL Mitch and Dallas Seavey, father and son dog mushers, are respectively the oldest and youngest winners of the Iditarod dogsled race. From 2012 to 2017, together they won six straight races.
xVbrk TIL that in 1935 the US Government planted 220 million trees in 7 years to combat Dust storms. It was a huge success and if it was repeated today it would help in the fight against the climate crisis immensly.
0wo7R TIL during world War II, the army would pour ice cold water in the ear of "draft dodgers" who pretended to be deaf. The normal response is to turn the eyes to the ear with cold water (Caloric reflex. About half of deaf lack this reflex). No response = truly deaf. Response = Possible draft dodger.