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TIL that the Humor Encryption Theory explains why people have different kinds of humor, and that humor is acquired with experience.

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korB TIL that candles lit in microgravity (i.e., space) burn not with a yellow, tapered flame, but with a spherical, nearly invisible blue flame
v1G7D TIL CBS created a show called Kid Nation (2007), where 40 kids ages 8-15 spent 40 days without direct adult supervision in a ghost town where they had to create a sustainable community
LkjKr TIL about the Lippisch P.13a, an experimental coal-powered jet fighter designed for Nazi Germany as a result of fuel shortages toward the end of WWII
p5OQ TIL two Christian monks smuggled silkworms out of China in bamboo canes. Those silkworms were used to give the Byzantine Empire a trade monopoly in Europe, which became the foundation of their economy for the next 650 years
wrP1 TIL, a parchment manuscript was erased by a 13th-century monk to write a Christian liturgical text. The erased manuscript was originally written by Archimedes and contained some of the fundamentals of modern calculus, which wouldn’t be developed for almost another 2,000 years.