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TIL the idea of black holes was first announced in 1783

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yQZp8 TIL The song Dude (Looks Like A Lady) by Aerosmith was about Vince Neil of Motley Crue
1aNb4 TIL: While Hepatitis B shots are a federal requirement for school children, Hepatitis A shots are left to the states to decide. Hepatitis A has the more common outbreaks when someone is infected doesn't wash their hands and then handles food or surfaces.
LQ14m TIL Rhinoplasty(nose reconstruction surgery) has been performed since 3000 BC in Egypt, and a 600 BC Indian technique using a flap of skin from the cheek to reconstruct the nose is still in use today.
kOmPB TIL That one of the honey badgers defence is to go for the groin area. Basically ripping its preys testicles off until they bleed to death.
mxLxM TIL that Human civilization has caused the loss of 83% of all wild mammals and half of plants.