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TIL that before his death, Harry Houdini gave his wife a password so that she would be able to tell the difference between “legit” mediums and bogus mediums.

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xRdw TIL that there is a math version of Scrabble, with 0~9, + - * / ^ and ≡ (always equal) tiles. A legal “word” is a correct equation.
7mVx TIL in Tudor England, the teeth of the well-to-do frequently went black from sugar. This started a short-lived fashion trend of ladies blackening their teeth to give the impression they were rich enough to buy luxury goods
6dwQ TIL The idea of carrots improving eyesight was RAF propaganda to hide from the Nazis the fact they had new radar technology
aw44N TIL Great white sharks do not survive in captivity due to depression and refusing to be fed by humans, leading them to die of starvation. There are currently many theories on why this is. The current record for a Great White in captivity is only 44 days.
9lDM TIL there’s a species of orchid that evolved to look like a replica of a monkey’s face. It grows in the cloud forests of Peru and Ecuador.