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TIL that a librarian found smallpox scabs stored inside a 19th century medical book. In the 1800s scabs from infected people would be inserted into healthy people as a means of vaccination. These scabs have the potential to shed light on The evolution of the small pox vaccine used in the Us today.

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Ooe86 TIL the law governing firearms in Ireland used to consider airsoft guns legally equivalent to a 20mm anti-tank rifles, as the law failed to specify a minimum energy for a gun’s projectile.
rNyMy TIL in 1892 Edward Doheny couldn't pay his rent when his daughter died followed by his wife committing suicide. He borrowed money and devised a drilling system using a tree and drilled the first oil wells in Los Angeles becoming an oil tycoon. The movie There Will Be Blood is loosely based on him.
kOg54 TIL The 320th VLA was the only black combat unit to take part in the D-Day landings . The mission of the 621-man assault force was to raise hydrogen-filled barrage balloons to protect assaulting infantry and armor from being strafed by enemy aircraft .
JKMj TIL that when mafia strongman Johnny Stompanato barged onto a live movie set, jealous over rumours involving his girlfriend Lana Turner, and pointed a gun at Sean Connery, Connery took the gun from him and chased him from the studio.
ADDMl TIL of Annie Dookhan, a chemist working for the Massachusetts state drug lab who pled guilty to falsifying thousands reports effecting up to 34,000 cases. She served a little over 2.5 years in prison before being paroled.