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TIL that actress and singer Julie Andrews, known for her leading roles in 60s movies Mary Poppins and The Sound of Music, had her singing voice permanently destroyed in 1997 after a botched vocal cord nodule removal surgery

Vx10 TIL while in middle-school, Bill Gates and Paul Allen had their computer privileges revoked for taking advantage of software glitches to obtain free computer time from the company that provided the computers. They were allowed back in the computer lab when they offered to debug the program.
OGX7 TIL the nonsense song that Rafiki sings to Simba in The Lion King is actually a common Swahili children’s song
v1WXK Flying a helicopter on Mars is so damn hard but NASA made it possible. For the first flight, the helicopter took off, climbed to about 10 feet (3 meters) above the ground, hovered in the air briefly, completed a turn, and then landed. It was a major milestone: the very first powered flight in the extremely thin atmosphere of Mars, and, in fact, the first such flight in any world beyond Earth. Being able to fly a helicopter or drone on Mars is very important as they can cover 24 kilometers in an hour. By the way, Curiosity took nine years to travel less than 25 kilometers.
kOpA5 TIL that “moonbows” are a natural phenomenon that occurs when (1) the moon is close to full, (2) rain is falling opposite the moon, and (3) the moon is low. Since the moon is the only source of light, the lunar rainbow will appear monochromatic to the naked eye. (More links in comments)
ry70 TIL Shaggy the musician’s given name is Orville…. Shaggy from Scooby Doo’s given name is Norville.