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TIL “chickadee-dee-dee” is a predator alarm; the more “dee"s, the higher the alert level

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X0neE TIL in the 1960s, gym students at La Sierra High School in CA, faced grueling physical challenges and were ranked by their shorts color: white for rookies, gold for elites, and Navy Blue for the rarest. Navy Blue required 34 pull-ups and carrying someone 5 miles. Only 19 students ever earned it.
v1XNx TIL that Tinder prices your subscription differently based on your age
mxXBo TIL Because of the shorter commercial breaks in the United Kingdom, every episode of The Muppet Show had two minutes of additional footage. Usually consisting of a skit or a short song.
wL6kJ TIL That Ashley Eckstein has her own Star Wars clothing brand
GQk4 TIL During a Government Shutdown in 1995, 5 Mountain Bikers Rode Their Bikes to the Bottom of the Grand Canyon.