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TIL in South Korea February 14th is Valentine's day where women give men presents. March 14th is White Day where men give women presents. April 14th is Black Day where single people gather together, dress in black, and eat a bunch of food.

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bae4 TIL approximately 62.5 percent of the 24,000 chemicals added to the TSCA inventory since 1982 cannot be “meaningfully identified by the public” because their names are claimed as “trade secrets.” If a chemical’s identity is not known, it is very difficult, if not impossible to monitor human exposure
dDLyK TIL Illumination's The Lorax had a song called "Biggering" that was scrapped due to how aggressive it's anti-corporate message was. This song later became "How Bad Can I Be?"
XEWGQ TIL Uday Hussein, son of Saddam Hussein, was named Chairmain of the Iraqi Olympic Committee in 1984. Athletes who disappointed him were subject to torture and imprisonment
JYE0k TIL that flamingos are unique from all other birds and mammals in that they have hinged upper beaks (jaws) instead of lower. They use their tongues and beaks to move water through filters they use to catch food. But, because their upper beaks move, they have to eat with their heads upside down.
yQRnM TIL David A Cox and Steven Zucker published an algorithm called the "Cox-Zucker machine". They collaborated deliberately because of their name combination, with Cox saying thay they decided to write a paper together just weeks after they met.