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TIL that Ozzy Osbourne was bullied by Black Sabbath’s guitarist Tony Iommi in school , and he was only invited into the band after band mate Geezer Butler saw Ozzy advertising in a music shop that he had a P.A.

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XmQX TIL that a Teenager Without a Vagina, Realized it When She Turned 17: Teenager can’t have sex or babies due to rare condition that left her without reproductive organs
78LAL TIL that the Mona Lisa became famous because of a heist by an employee at the Louvre
lQmN TIL In 1944, Mary Babnik Brown became the first woman to have her hair used in crosshairs for military aircraft bombsights. The hair had to fit strict criteria such as being blonde, over 22 inches long and never been treated with chemicals or hot irons.
yVdkl TIL that having a small amount of insulation on a cylinder (like a pipe or water heater) can actually make it lose heat faster than if it were entirely uninsulated. This is known as the critical thickness of insulation. Having more than the critical thickness makes the heat transfer rate go down.
oRYv8 TIL Forensic entomology is a field of forensic science that uses insects found on corpses to help solve criminal cases.