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80

TIL Loofahs are actually plants

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x6oRw Today I learned the first vasectomy on record was performed on a dog in 1823.
BQRd TIL Jews arrived in India 2500 years ago and unlike many parts of the world, Jews have historically lived in India without any instances of antisemitism from the local majority populace.
XE8pP TIL that the voice of Batman on TV was done by the diminutive actor, Olan Soule. Soule had a great voice that belied his small stature, and had worked in radio for years. Early on, he was typecast, usually as a lab tech, hotel clerk, or even a reporter. He voiced Batman for 15 years.
pYy8b TIL while inhaling helium can make your voice sound high, there is a gas that does the opposite and makes your voice sound lower - sulphur hexafluoride. But by displacing oxygen in the lungs, it also carries the risk of asphyxia if too much is inhaled.
DQ5bp TIL about Exploding Head Syndrome, where some people have auditory hallucinations of loud crashing and exploding sounds when they're falling asleep and/or waking up