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TIL about Deep Hypothermic Circulatory Arrest (DHCA), wherein patients are deliberately put into hypothermia as low as 20C (68F) thereby stopping all heart and brain function in order to increase survival time on reduced oxygen, while making delicate surgeries easier.

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BrZ0k TIL that contrary to common misconception, hunters and gatherers are mostly well fed, rather than starving.
AG6x TIL that after Key West declared itself an independent nation, the mayor appointed himself prime minister, declared war on the United States, immediately surrendered to a man in a naval uniform, then applied for a billion dollars in foreign aid.
xrJg TIL that the yiddish term farpotshket is used to describe something that is completely ruined as a result of someone trying to improve or fix it.
RQwQ TIL, the phrase “if you have nothing to hide, you have nothing to fear” has been attributed to both the Nazi Minister of Public Enlightenment and Propaganda Joseph Goebbels
1bn4 TIL The French tried to counter attack Germany in 1939, but were repulsed by “The silent soldier”…“a definitive weapon of the war”. New German mines that would fire themselves out of the ground before going off, wounding not just the soldier, but everybody else around them, as well.