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TIL the crews of Apollo 11, 12, and 14 had to spend 3 weeks in quarantine after returning to Earth because of the possibility that they might spread contagions from the moon

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wLYoY TIL scientists don't fully know how acetaminophen (aka Tylenol) actually works
kOm5d TIL that in 1961, Goodyear released "illuminated tires" made of a translucent material available in several different colours. Each tire contained 18 light bulbs that would generate an electroluminscent-like glow on the ground and in the wheel wells.
vYPL TIL The ‘toothbrush mustache’ (aka the 'Hitler mustache’) was introduced to Germany in the late 19th century by visiting Americans.
1EGD TIL that when Einstein arrived in Paris by train in 1922,many high profile reporters, diplomats were waiting for him on the platform. Instead, he sneaked out the back car and off down the tracks, laughing “like a child”.
p46p TIL Johnny Depp is descended from the first African woman to legally gain freedom from slavery