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The science of the "vampire facial"

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LQRr0 TIL from 1879 to 1902, Thérèse Humbert passed herself as the sole heir of American billionaire Robert Crawford, borrowing against the value of this inheritance. When the safe containing the "evidence" was opened under court order in 1902, only a brick and a coin were found
lojEA TIL of the 555th Parachute Infantry Battalion, an all-black airborne unit. Instead of overseas deployment, they fought wildfires started by Japanese balloon bombs on the US west coast. The "Triple Nickles" parachuted directly into affected areas for half the fires they fought.
ee4b TIL 37% of Italians have never used the internet (as of 2012)
OEjR TIL in the 1860’s, a slave from South Carolina stole a ship from the Confederacy and delivered it to the Union. He was later gifted the ship to command during the Civil War. After the war was over, he bought the house he was a slave in and became a US Congressman.
7r9yP TIL of the frog galvanoscope. The first electrical voltage testers were made by using a frog's leg with the sciatic nerve still attached and connecting two points on the leg to a potential electrical source.