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TIL that Ignaz Philipp Semmelweis dropped the mortality rate for childbirth from 12% to 2% after he insisted doctors wash their hands in between handling cadavers and delivering babies.

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6EWXJ TIL That the word "Jiffy" (as in, "i'll be back in a jiffy" or "Jiffy Lube") refers to an actual Unit of time, 'The Jiffy', which is defined as "the amount of time light takes to travel one fermi (about the size of a nucleon) in a vacuum".
LnOv TIL Billionaire Boys Club was a Ponzi scheme started in 1983 by young boys from rich families. Money contributed by investors was spent supporting lavish lifestyles. When funds ran short in 1984 club members turned to murder & at least two people were killed as they tried to raise more money
pYWZA TIL Both the East and West borders of Suriname have been in dispute for over a century. The issues primarily derive from the primacy of rivers.
rNVoy TIL in the 1960s, Cap'n Crunch cereal boxes came with whistles which coincidentally had the specific frequency (2600 hertz) required to exploit a vulnerability of in-band signaling enabling a phone to make free calls by entering an 'operator mode'.
rRjXW TIL that axolotls are basically real life pokemon that can morph into salamanders when exposed to excessive levels of iodine