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TIL the Spanish Flu, which killed 5% of the world’s population, was especially lethal to healthy adults. This happened because their strong immune reactions ravaged the body, whereas the weaker immune systems of children and middle-aged adults resulted in fewer deaths among those groups.

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4kMR TIL that ancient Japanese poets would engage in rap battle like sessions to display their wit and skill
4XaRg TIL Adam Rainer is the only person in medical history to have been classified both as a dwarf and giant during his lifetime. He went from being 4 feet 6 inches tall at the age of 19 to being 7 feet 8 inches at 51. This was caused by a tumor that led to an overproduction of growth hormones.
gMLr4 TIL, it takes a photon up to 100,000 years to travel to the surface of the sun but only 8 minutes for it to then reach the earth.
QJpAa TIL leading up to Pearl Harbor the US lost track of Japanese aircraft carriers, observed the Japanese consulate burning documents, encountered hostile submarines near Hawaii and had reports of a cluster of aircraft 137 miles north of Oahu, yet only realized an attack was under way when bombs dropped
R5pyQ TIL that the first state to introduce a stylized license plate was Idaho. In 1928, they put a big potato on theirs.