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TIL that scientists were able to recreate conversations had behind a soundproof glass wall by recording the vibrations seen on a chip bag.

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PYw1E TIL that in order to hand draw all of the bubbles in The Little Mermaid, the manpower was outsourced to a China based firm, and the finished artwork of the bubbles was kept in a vault blocks away from the demonstration at Tiananmen Square in 1989. This almost delayed the production of the movie.
ROP7 TIL that President Lyndon B. Johnson, his father, and his grandfather all died of heart failure at the age of 64.
BERW TIL a key ingredient in root beer (sassafras root) was found to be carcinogenic and banned in 1960 by the FDA. Artificial versions are now generally used instead
ZmLQ TIL North Koreans once attended a UN meeting with AK-47s underneath their jackets. Rather than confront them about it, American officers turned up the temperature in the room to make them sweat under their heavy clothes.
jNZ4a TIL That swinging your left arm along with your left leg (rather than your right arm with your left leg) while walking will burn 26 percent more calories.