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TIL That the precursor to the CIA published a field manual for regular people in Occupied Europe to resist the Nazis at their regular jobs

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DYKv TIL a ‘jiffy’ is an actual unit of time. It is the time it takes for light to travel one cm in a vacuum.
x6kgD TIL the name of the genre "Buttrock" originated from a nationwide campaign of rock stations saying they played "Nothing but rock."
xVjEo TIL The introduction of iodine in table salt by the Morton Salt Company raised average IQ in the U.S. by 3.5 points
kOVam TIL in the '78 cartoon series The New Fantastic 4, the Torch wasn’t on the show because NBC’s parent company Universal was developing a live-action Torch series that never took flight. Urban legend was the Torch wasn’t around because NBC was afraid kids would set themselves on fire
e0YZL TIL the Parental Advisory label was created in part because a mom caught her 11 year old daughter singing the sexually explicit lyrics to “Darling Nikki" by Prince. The Recording Industry Association of America responded by introducing a content warning label.