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175

TIL that Mitochondria within cells originated from parasitic bacteria

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PYjE TIL there’s an underground garden in Fresno, CA that is meant to mimic Greece. And it’s open for visitors.
M7Qg7 TIL that a BBC variety program called "the Black and White Minstrel Show" — featuring white people singing and dancing in blackface — was broadcast until the late 1970s. Watched by 12-16 million Britons every week, it won awards and made it onto screens in many other countries, including Australia.
Vbam TIL that Apple used to add the letter “x” to the names of their computers which got a processor upgrade. The convention was broken with Macintosh SE/30, which, if the rule was effective, would be called “Macintosh SEx.”
l70va TIL that lightsabers came from the pulp magazines! George Lucas cribbed the concept of "laser swords" from stories in 1930s pulps such as "Magic Carpet," "Weird Tales," and "Amazing Stories."
R7vg4 TIL Silly String was invented to be used as an aerosol spray to create an instant cast on broken and sprained bones. It worked, but while testing nozzles it was noticed it produced a 30' string. This inspired the inventor to change the formula to be less sticky, add color, and market it as a toy.