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TIL Whale oil was used as transmission fluid up until 1972. America used over 14 million kg of sperm whale oil lubricant per year. Sperm oil was also a valuable lubricant known for being non-corrosive for metals and withstanding both high and cold temperatures.

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jyYa TIL of Kenneth McDuff, a Texas serial killer who was on Death Row, was then paroled, committed more murders and then finally executed. He caused an overhaul in the Texas Justice system including harsher paroles, more prisons and a rise in executions.
6EZRQ TIL ice ages begin when continents block warm water flow from the equator to the poles, forming ice sheets that increase Earth's reflectivity and reduce solar radiation absorption. This cools the atmosphere, causing ice sheets to grow, which further increases reflectivity in a positive feedback loop
rOgx TIL When Daniel Radcliffe was informed he won the role of Harry Potter, he was in the Bath! and to celebrate he was allowed to stay up an extra half an hour, past his bed time, and watch Faulty Towers!
4gNa TIL there are six Celtic nations recognized by the Celtic League: Ireland, Scotland, the Isle of Man, Wales, Cornwall, and Brittany
j8aX TIL that about 80% of people breathe through only one nostril. Which nostril, left or right, can alternate on average every 2,5 hours.