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TIL of African spiny mice that can shed up to 60% of the skin on their backs to escape predators. They then regrow hair follicles, skin, sweat glands and fur instead of scar tissue. And it is speculated that we could switch this mechanism on in humans.

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ne7kr TIL The term "rocket-propelled grenade", though frequently encountered, is a backronym of the "RPG" from the translation of Ручной Противотанковый Гранатомёт (Ruchnoy Protivotankoviy Granatomyot) Russian for "handheld anti-tank grenade launcher" and not based on a true literal translation.
OGLaL TIL in 2005, Jordanian couple Bakr and Sanaa Melhem unknowingly dated each other on the Internet. Both divorced when they learned each other's true identity
VkxB TIL that Steven Spielberg’s top choice for Eddie Valiant in ‘Who Framed Roger Rabbit’ was Bill Murray but they were unable to contact him since he has no agent. When Murray later read about this he screamed at the top of his lungs as he would have definitely accepted the part.
X0wXE TIL about Cash for Clunkers, which was a program designed to stimulate sales of new, fuel-efficient cars in the wake of the Great Recession, but was criticized for disrupting the used car market, and for scrapping exotic cars
ADJOB TIL that Shirley Temple, the child actress and namesake of the drink, was a US ambassador to Ghana and Czechoslovakia during the Velvet Revolution that saw democracy return to Czechoslovakia.