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TIL that blood donation was segregated in USA, and initially excluded African-American donors. It was not until 1950 that the Red Cross stopped requiring the segregation of so-called N. blood. And it was not until the late 1960s and early 1970s that Southern states overturned similar requirements

d8YyQ TIL Terry Kneiss studied/memorized the prices in every episode of the Price is Right, got on the show, and became the first player in 38 years to name the price of the Showdown Showcase right on the nose. Host Drew Carey was so shaken and certain Kneiss had cheated, his reaction was markedly subdued
Lnjv TIL In 1982, evolutionary biologist Daniel H. Janzen concluded that the avocado is an example of an ‘evolutionary anachronism’, a fruit adapted for ecological relationship with now-extinct large mammals.
mxweM TIL refried beans are only fried once. The misconception comes from a poor translation of “frijoles refritos” which means “well fried beans”
kOQnE TIL In the 1700's the Mysore Army was using rocket artillery. The weapon was for long distance and against masses of soldiers throughout the Anglo-Mysore Wars. The First Duke of Wellington personally experienced the weapons and the English would adapt them for fighting in the Napoleonic Wars.
mx5OM TIL that each worker bee will do a variety of jobs in her lifetime, which lasts about 4-6 weeks during the active season. As they age, their duties become riskier, and require venturing further from the hive.