› added 4 years ago

148

TIL that Captain Planet took on Hitler.

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9YbRX TIL what's a "retronym" being something retroactively renamed so it now makes more sense. Like how "analog clock" used to just be a "clock" before digital clocks and how "The Great War" was later renamed "World War I"
loBZG TIL When Helium is cooled to a few degrees below its boiling point, will suddenly be able to do things that other fluids can't. Dribble through molecule-thin cracks, climb up and over the sides of a dish, and remain motionless when its container is spun due to its frictionless flow.
xV6PD TIL the average distance between any two of Facebook's 1.6 billion users is 4.57 steps of "friend of a friend"
VBMaZ TIL about A-not-A questions. Particularly in Asian languages, yes/no questions are asked by repeating the verb, for example "you watch not watch movie", and is answered by repeating the verb "watch" or "not watch". This can reduce confusion when answering questions.
yQg1e TIL that "dry lightning" and "heat lightning" are myths. They are actually just extremely distant thunderstorms.