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TIL the sound produced by two blackholes colliding is referred to a chirp by scientists as it sounds like a slide whistle

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Z16o TIL the Netherlands is the world’s second-largest exporter of food and agricultural products, after the United States despite having one of the largest population densities of the world.
jNwYQ TIL about Hemimastix kukwesjijk which is not a plant, animal, fungus, or protozoa. It constitutes an entirely new Kingdom, a new branch on the tree of life.
78rdM TIL Public DNA records can be used to find distant relatives of criminals, from which investigators can build a family tree and catch said criminals
J1Bak TIL that it is common for astronomers to call any element heavier than Hydrogen and Helium to be a metal.
jNynM TIL the strawberry on the tomato pin cushion is filled with emery powder, an abrasive, to sharpen pins.