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TIL Phosphogypsum is a common byproduct of fertilizer production. It has very few pratical uses and is radioactive, containing uranium, thorium, radium, radon and polonium. For this reason they are stored indefinitely in Stacks. ONE ton of phosphoric acid produces FIVE tons of phosphogypsum waste.

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gKoA TIL According to a 2007 study from researchers at the University of Copenhagen; All blue eyed people can be traced back to one person who lived near the Black Sea 6,000 to 10,000 years ago.
AD9r7 TIL of the European custom of "telling the bees," wherein bees would be told of marriages, funerals, and other important events in their keepers' lives.
YQXr TIL that the US Secret Service has an SUV with anti-IED jammers and anti-missile radar in the presidential motorcade. It is believed that if a rocket is detected, infrared smoke grenades are detonated while the president’s driver activates a thermal-imaging driving system to escape.
0wjW1 TIL a man convinced more than 7 women to have sex with him by claiming to be a doctor and telling them they had a disease that could only be cured through sex. Some paid him for the sex. The case led to a law making obtaining sex through false info a felony.
P1jVG TIL the "sensation novel" was popular from the 1860s to 1890s, particularly in Great Britain. Sensation novels often were melodramas themed around socially taboo and shocking subjects like robbery, murder, seduction, kidnapping and adultery, typically in a domestic setting.