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TIL That Tuckaleechee Caverns in Tennessee are used to detect underground nuclear tests all over the world through seismic activity in the dense limestone.

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mePR TIL of Shiori Ino, a Japanese college student who was murdered by her stalker. Her attempts to seek help from the police were met with rejection, as senior officers feared that having unresolved cases would “hurt their standings.”
6NQ8 TIL There’s a lake in India full of ancient skeletons, all killed by blows to the head.
w9OJ TIL there are six US states in which you can sue a person for having an affair with your spouse that ends your marriage.
oBmO8 TIL the raised reflectors in between lanes on the highway also indicate direction. Normally they reflect white or yellow but if they appear red, it’s becasue you are going the wrong way.
QNDJa TIL The Thonet No. 14 chair was the first mass-produced piece of furniture. The ease of production came from the wood being curved an iron mold. Over 50 million of these chairs have been sold since the invention in 1859.