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TIL Calvin Klein Obsession for Men is used to lure jaguars into camera traps. The cologne contains civetone and vanilla extract, in which the civetone resembles a territorial marking and the vanilla extract sets off a curiosity response.

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kO1WW TIL of “Thalaikoothal”, a traditional practice of senicide (murder of elderly) in southern India. It can be socially accepted, even if the victim may protest.
RZQ6 TIL in 1915 a group of 112 Belgian prisoners asked the German commandant permission to organize a bike race. Under strict rules and heavy oversight, the racers escaped from Belgium simply by continuing after they crossed the finish line.
XEyb6 TIL: The USA Owns 1 Acre of Land in Mexico City that Serves as a Cemetery for Soldiers Killed in the Mexican-American War. 170 Years Later, 813 Americans are Still Buried Here.
lXGG TIL a World of Warcraft player had 36 accounts on 11 computers simultaneously and raided by himself
V1M4 TIL the expression “sleep tight” originates from when mattresses were placed on top of ropes that needed regular tightening in the 16th-17th century