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TIL that a cat’s purr can actually promote healing — its frequency (around 25 to 150 Hz) can help heal bones and tissues.

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via reddit.com

QN8R9 TIL that in the 1950's, an air cushioned vehicle was invented by a doctor named William Bertelsen from his garage
5V799 TIL that in 1995, Eli Roth wrote & directed a student film called "Restaurant Dogs"- an homage to Quentin Tarantino's 1992 film Reservoir Dogs. 10 years later, Tarantino would serve as an executive producer on Roth’s second feature film, "Hostel".
0d7Wj TIL that In 1999, hackers revealed a security flaw in Hotmail that permitted anybody to log in to any Hotmail account using the password 'eh'. At the time, it was called "the most widespread security incident in the history of the Web"
xVdKk TIL in World War I, California’s schoolchildren were enlisted in a war on squirrels with one-sided casualties exceeding 100,000 ground squirrels
r7Lo TIL: That in 1996 The New York Times crossword correctly used either candidate of the presidential election as the answer to who would be elected the next day!