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TIL There are more people in slavery today than at any other time in history.

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eprRb TIL that Alberta King, Martin Luther King Jr's mother was shot and killed while playing the organ at a church service. Her killer was sentenced to death, however, the King family—consistent in their commitment to nonviolence—successfully campaigned to have his sentence commuted to life in prison.
VBLj8 TIL that both Quantum tunneling and Quantum Entanglement are both involved in the process of a tadpole turning into a frog.
4k0nX 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.
6RG7 TIL that in the 1870s, a woman named Nellie Cashman organized and led a party of six to take 1500 lbs of supplies to 26 miners stranded in the B.C. mountains by a snowstorm, after the Canadian Army refused to act because it was too dangerous.
KnMw TIL that there are birds that drink blood