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TIL that Wint-O-Green Life Savers make blue sparks in the dark when you bite on them because of "triboluminescence," or light resulting from something being smashed.

JYldl TIL that Ed King, who played guitar for the California psychedelic band Strawberry Alarm Clock ("Incense and Peppermints") left that band and became guitar/bass player for Lynyrd Skynyrd, including writing the opening riff for "Sweet Home Alabama" and co-wrote several other of their hit songs.
ne6dP TIL In 1927 Santa Clause was officially given a pilots license and airway maps from the Department of Commerce
OGee7 TIL Luke Skywalker’s surname was originally “Starkiller” when Star Wars began filming. Hamill used this name in one scene but his mouth was obscured by a stormtrooper helmet and it was later dubbed over. Lucas changed the name because of “unpleasant connotations” with Charles Manson.
gMldb TIL American History X director Tony Kaye was so dissatisfied with the final cut of the film he spent $100,000 of his own money to take out 35 full-page ads in the Hollywood trade press denouncing Norton and the producer, using quotations from a variety of people from John Lennon to Abraham Lincoln.
7rwRp TIL Because mountain lions usually wander the wilderness alone, scent scraping sometimes isn’t enough to locate each other for mating. A female mountain lion will ascend to a high elevation and call to a male by caterwauling, a loud blood-curdling screeching cry that can be heard up to 5 miles away.