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TIL The military uses silly string to find trip wires around bombs and also add scrap metal to Humvees as "Hillbilly Armor".

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RYw7 TIL that Hitler and Göring already had lists of communists to be arrested long before the 1933 Reichstag fire.
loB5N TIL that Mark Taimanov, a Russian chess Grandmaster, after losing 6-0 to Bobby Fischer in 1971's World Chess Championship Candidates quarterfinal, got his salary and his ability to leave the country taken away, aswell as being censored in the press because the Russian government was so embarrassed.
kMN1 TIL in 1985 a Soviet icebreaker rescued a large pod of beluga whales trapped by pack ice, leading them to safety by playing music to lure them out through the cleared channels.
91or TIL the difference between Eau de Parfum, Eau de Toilette and Cologne, is that Eau de Parfumhas approximately 15% essential oils, Eau de Toilette 10% and Cologne 5%.
QJ1oe TIL the flag of Denmark is the oldest flag in the world still in use (since 1219).