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TIL North and South Korean armies choose their physically toughest looking soldiers to have a constant ongoing “stare down” across the Korean border to determine who is more powerful.

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b6Oap TIL it is dangerous to blow air into a pregnant women's vagina. The increased air pressure can pass beneath the fetal membranes and into the circulation causing a venous air embolism that can kill within minutes.
XEoKj TIL that Americans still have a tax on their phone bill to pay for the 1898 Spanish-American war.
KYN99 TIL Of the 45 persons who have served as President of the United States, at least half have displayed proficiency in speaking or writing a language other than English. Of these, only one, Martin Van Buren, learned English as his second language; his first language was Dutch.
GYGWg TIL that in 2010, the Colombian government successfully transmitted a Morse message to their captive soldiers by composing a song popular enough to hit local top 40 radio and disguising the Morse Code in a synth interlude
R7VJa TIL The Alamo was fought over slavery. Texas settlers wanted to keep slaves after Vicente Guerrero, the black president of Mexico, fought for and abolished slavery. But Andrew Jackson and Sam Houston hatched a plan to take Texas from Mexico to create a slave state.