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82

TIL that Quebec is the only place in North America where child labour at any age remains legal

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wlPM TIL some large telescopes use liquid mercury for a reflective mirror instead of glass. The rotating liquid assumes the paraboloidal shape regardless of the container’s shape and has a much lower cost than traditional glass mirrors.
XEJXj TIL the children's book series Scary Stories to Tell in the Dark were the most challenged books from 1990 - 1999 because of the violent nature of the stories and the surreal, nightmarish illustrations contained within.
6ZNJ TIL Jellyfish live in every ocean, and have survived five mass extinctions, for possibly 700 million years or more, despite most of them lacking specialized digestive, osmoregulatory, central nervous, respiratory, or circulatory systems.
nGKP TIL: Worldwide, females earn $18 trillion, but spend $28 trillion.
Wk50Y TIL that the alternative to fellatio is irrumatio, where the one being stimulated does all the work.