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TIL Hobos use symbols to communicate to other hobos

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via reddit.com

j61dR TIL that humans can enter a state called hypnagogia, the state of consciousness between wakefulness and sleep
6EJoJ TIL that Fred Gwynne (Herman Munster) wore face paint that was actually a bright violet color because it captured the most light on the black-and-white film.
MDe7 TIL The olympic flame has gone out at least 44 times in Russia.
B7Vy TIL At $47 million a year, Judge Judy makes more money than every Supreme Court Justice combined times 10.
6E8kw TIL about a procedure called ”tooth in eye surgery”, where the patient’s tooth is removed, a tiny lens is inserted into it, and the tooth is the put inside the patient’s eye. It’s only used for rare cases of corneal blindness and only a few operations take place each year.