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TIL That for every dollar spent on NASA there is an average 7 to 14 dollar ROI for other economies and industries due to innovations

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kOgLm TIL: Johnny Cash and his first wife Vivian, named their daughter, Rosanne, after Cash's nicknames for his wife's breasts, "Rose" and "Anne."
l1Q7 TIL the blood smear on The Comedian’s button in Watchmen represents the minute hand on the Soviet Doomsday Clock.
dDwvK TIL that the legal age of adulthood is higher than 18 in three US states. In Alabama and Nebraska, it's 19, and in Mississippi, it's 21
RA1a TIL that it is so hard to swat a fly because they piece together images sent from their eyes to the brain, 250 times faster than humans.
d8pGQ TIL the average daily caloric intake in North Korea is 2,103.