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TIL About Vulnerable Narcissism. An introverted form of Narcissists who are hypersensitive to criticism and are likely to withdraw from socializing when criticized

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yMOJ TIL YouTube has a production space in Los Angeles that is free to use if you have 10,000 subscribers.
PoLG TIL originally, jeans were cuffed because workers would purchase jeans larger than they fit to deal with shrinkage, and it later served for cowboys to place tobacco, cigarettes and coin in the cuffs as well
e0Mvg TIL The minimum sound threshold a human ear drum can detect is 1x10^-12 watts/square meter. To put in perspective just how sensitive the human ear is we could scale up, so in order to detect a minimum of 1 newton (0.2 pounds) of force, an ear drum would be roughly the entire surface area of England.
WpJ4 TIL that at age 9, Ron McNair, the African-American astronaut later killed in the Challenger explosion in 1986, refused to leave a segregated public library after the librarian rejected his request to check out some books. The police were called, as was his mother.
7rwMM TIL a 4-yr-old captive beluga whale who'd been living with belugas moved to a dolphinarium where her only companions were dolphins. In her early days with the dolphins, she made beluga "contact calls." Within 2 months, the beluga imitated dolphin whistles & dropped the beluga calls altogether.