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TIL in Boston a wife and her unborn child were robbed and killed. The surviving husband gave the vague description of the assailant as “a black man with a husky voice” throwing the city into a police state of racial unrest. It later emerged the white husband killed them for the insurance money.

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VMQd0 TIL that only the outer layer of tree trunks are alive. The center of the trunk is technically dead but it will not decay or lose strength while the outer layers are intact. A piece of the dead core 12" long and 1" by 2" in cross section set vertically can support a weight of twenty tons.
QJQNM TIL the 99 cent pricing first became popular in the nineteenth century, shortly after the invention of the cash register. The pricing ensured that the cashier was forced to ring-in the transaction to create a record of it and return change to reduce the risk of the cashier stealing from the store.
N79r8 TIL Ford developed a nuclear-powered, steam-driven concept car in 1957
O51a TIL at age 47 Al Capone regressed to the mental capacity of a 12 year-old-child due to brain damage caused by the neurosyphilis and spent the last years of his life in his Florida mansion raving about Communists, foreigners, and Bugs Moran, who he was convinced was plotting to kill him.
ADWmx TIL the Colt Walker revolver was the world's most powerful repeating handgun from 1847 until the .357 magnum cartridge was invented in 1934. It was designed to be able to kill an enemy's horse in one shot.