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TIL that ancient Romans used human urine as a mouthwash: Due to its ammonia content, urine was used as an ancient form of teeth whitening and stain removal.

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b60k4 TIL of Shahjahan Bhuiyan, An inmate in Bangladesh who sparked controversy in his own country after being released four years earlier for executing dozens of fellow prisoners by hanging during his stint.
D8vY Today I learned that 500,000 baseball bats are sold in Russia in a Year, but only one recorded sale of a baseball or gloves.
4X8ow TIL that in 1964 the FBI sent Martin Luther King Jr. blackmail tapes and an anonymously written letter that attempted to convince him to commit suicide
QJ0NM TIL: Neighbours of lottery winners more likely to go bankrupt in futile attempt at keeping up with the Joneses
Ypyed TIL that Hummingbirds use spider silk when making their nests.