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TIL the floating substance inside of a lava lamp is primarily wax

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yEaa TIL Lisbon is the oldest city in Western Europe
7LRX TIL that safety concerns about “pencil lead” were actually about lead being in the yellow paint on the pencils. Graphite has always been used as the core, and there was never a “lead” pencil in this century
mMAR TIL that a grandpa who won a romp with 2 hookers in a radio contest dies after choking on his food while hurrying to the threesome
Xn68 TIL The flag erected on the Moon during the Apollo 11 landing was purchased at a local Sears store for US$5.50.
ZMgp TIL a species of jellyfish, has developed a way to change itself from an adult back to the polyp stage (infant), and back and forth, which in effect allows it to live forever.