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TIL that Gillette assisted the U.S. Army in military intelligence by producing copies of German razor blades for secret agents venturing behind German lines, also manufactured razors that concealed money and escape maps in their handles, and magnetic double-edge blades that can be used as a compass.

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e0jdg TIL why the term "Paradigm shift" came to be. Initially coined by Thomas Kuhn as "Paradigm change" Kuhn realized there were certain discoveries(revolutions) that so fundamentally changed the way we saw the world.
XEBKr TIL: When Schapelle Corby was returning home to Australia from Indonesia after serving almost a decade for drug trafficking, about 40 journalists booked a flight, expecting Corby to be on it. But she took another airline, instead.
18Lr TIL the U.S. Army illegally performed “psychological operations” to manipulate American senators into providing more troops and war funding – and when an officer tried to stop the operation, he was railroaded by military investigators.
4Xw6N TIL that during the Christmas of 1819, King George III - who by then was completely blind, increasingly deaf, had dementia, was in pain from rheumatism and suffering from another bout of insanity - spoke nonsense for 58 hours.
ADPX4 TIL of Movile Cave. Life in the cave has been separated from the outside for the past 5.5 million years and it is based completely Chemosynthesis. The atmosphere deep in the cave it like an alien planet, and more than 30 of the species found inside cannot be found anywhere else on Earth.