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TIL that the awarding of As at four-year colleges has been increasing by 5-6% per decade since 1960; an "A" is now the most common grade, accounting for about 42% of all grades, 3x more than in 1960.

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0r75 TIL a scientist from Utah used his obituary to confess that not only had he never graduated from college or got a Ph.D, but that he never even learned what Ph.D stood for.
nemjP TIL in Aztec mythology, giving birth was seen as a woman's battle with the gods to win her child's life. Mothers who succeeded were celebrated, while women who died in childbirth were thought to become vampiric monsters called Cihuateteo, which stole other women's children.
VM1mm TIL Sometime around 1500 A.D., an African farmer planted a maize seed imported from the New World. Today, maize accounts for more than half the calories people consume in many African countries. Maize supplanted Africa’s own historical grain crops—sorghum, millet, and rice
oRyYK TIL: That a man named Charles Grady once sued the Doritos company claiming that his throat had been damaged while eating Doritos. Grady attempted to admit into evidence a study by a former chemistry professor that calculated how best to safely swallow the chips, but it was subsequently rejected.
mgQM TIL dolphins will purposeful dose themselves with a potentially deadly neurotoxin by agitating pufferfish. When taken in small amounts, the toxin has a narcotic effect on the dolphins.