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TIL the "Sugar in the fuel tank to destroy an engine" is largely a myth. Only extremely large amounts of any foreign substamce might clog the filters (reposted for "clarity").

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via reddit.com

rNKeM TIL that Coca Cola has a caffeine free variant
4AG5 TIL that a Russian scientist accidentally shot a proton beam through his own head with a large particle accelerator in 1978. Reportedly, he saw a flash “brighter than a thousand suns,” but did not feel any pain.
MelYW TIL that in the early 1900s, it was believed that human cells in culture would proliferate continuously, but Leonard Hayflick proved that cells “remember” their replication level and have a limit to the number of times they can divide, also that cancer cells do not, so only they are immortal.
M7yba TIL: Grasshopper are nearly 200 million years older than grass.
5nGr TIL Benjamin Franklin invented a musical instrument so popular that Mozart, Beethoven, Handel, and Strauss all composed pieces specifically for it. It was also thought to drive people insane.