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147

TIL - In 2017, Washington DC was rated America's 16th most dangerous city.

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via reddit.com

NXn5N TIL about Osteo-odonto-keratoprosthesis (or the "tooth in eye" surgery) where a part of a tooth is implanted into an eye to restore patient's vision
QJ9d9 TIL that in 2002 Keiko, the killer whale from Free Willy, was finally freed after over two decades in captivity. He died a year later, having become too dependent on humans to survive on his own.
v1wkB Today I learned that cats don’t perceive music the way we do. Kitties have different acoustic, vocal, and heartbeat ranges than us. And there's music made specifically for them such as Cozmo’s Air composed by a team of researchers at the University of Wisconsin.
gLm8 TIL That in order to learn the past and the secrets of Scientology’s Lord Xenu, you have to pay over $100,000 to take those courses and learn them
16na7 TIL that the USSR accepted the spontaneous generation theory in the 1950's