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TIL Auto-Tune actually originated as a byproduct of the mining industry

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e0m55 TIL there is a species of beetle that lives in ant nests by imitating the sounds of the ant queen. These beetles feed on ant eggs, larvae and adults by piercing their mandibles into the abdomen or other soft part and sucking the contents. There appears to be no benefit to ants from the association.
OoEbg TIL Japanese subways have custom jingles and play bird noises to calm people down and help the blind know where they are
yNBe TIL Reddit is more male-dominated than Pinterest is female-dominated.
GY4gN TIL that on the coast of Northern Ireland, there is a plateau of basalt slabs called the Giant's Causeway, a result of lava contracting and fracturing as it cooled. There is also a mythical explanation for its origins that details a fight between two giants from Ireland and Scotland
dDX7r Til there's no such thing as the Transatlantic Coal Seam, there was never a coal seam that extended from South Wales to Pennsylvania