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TIL of fatal insomnia, a cruel disease that leads to months of sleepless nights, terrible exhaustion and eventual death. There is no known cure.

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M7X5B TIL about Enforcers, an unofficial role in ice hockey who's job is to deter dirty or violent plays by the opposition by responding with more violence.
kOOkB TIL "grawlixes" are typographical symbols standing in for profanities in comic strips, appearing in dialogue balloons in place of actual dialogue.
VQ0m Today I learned of the “tiny house movement” where single people and couples live in houses as small as 120 sq. feet to have a smaller environmental impact on the world and to use money saved on other things…
nWBJG TIL the James Webb Space Telescope captured an eruption of water vapor that punched 6K miles (9.5K km) out into space from a geyser on the Saturn moon Enceladus. The largest spray of water ever seen in space gave unprecedented insight into how the moon's geysers supply material to Saturn's icy rings
KO4XQ TIL that the theory of gravitationally-assisted space travel - which enabled NASA’s Voyager and other missions to explore the solar system - was invented by a summer intern at JPL in 1961. He and his revolutionary idea were initially ignored, and he was not offered a job at JPL or NASA.