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TIL In 1891, a stallion nicknamed "Clever Hans" wowed Germany by tapping out correct answers to simple math problems, including basic square roots. It was later discovered that he was deducing answers by reading the subtle, unintentional body language cues of the asker (the "Clever Hans Effect").

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xPd0 TIL J J Abrams made a deal with Valve to make movies of Half-Life and Portal
J1aD8 TIL drug cartels started making "multicolored rainbow fentanyl" in response to accidental overdoses
VMge4 TIL: We know how ancient Sanskrit sounded because in the fifth century BCE, the Indian grammarian Panini produced a complete grammar of the language, including how all sounds are pronounced. The complexity of his linguistic analysis wasn't replicated until the 20th century.
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