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TIL sound therapists came together to create a song specifically designed to reduce anxiety. Listening to that one song — “Weightless” — resulted in a 65% reduction in participants’ overall anxiety, and a 35% reduction in their usual physiological resting rates.

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6Evp7 TIL that mutton was a common dish in America until WW2, and its decline came after GIs, having been fed with canned mutton on the front, returned home and never wanted to see mutton again.
OorKg TIL that as Drone Bees mate with Queen Bees mid-flight, all blood in the Drone's body rushes to his endophallus causing him to lose control of his body. After inseminating the queen, his body falls to the ground leaving part of his endophallus in the queen.
KO5Ga TIL That archaeologists in China found a surprising haul in one tomb, where they uncovered a bronze cooking pot. When they opened the pot, they found 2,400-year-old bone soup. Because of oxidization, the soup turned green, but it was still in liquid form, and the bones were still floating on top.
5YQKQ TIL that the original story for The Terminator came from Harlan Ellison ... or at least enough that a lawsuit forced James Cameron to acknowledge him in the credits.
b94Np TIL that the children of identical twins are genetically siblings rather than cousins. This is because they share 25% of their DNA. Full siblings share 50% of their DNA, half-siblings share 25%, and cousins share 12.5%. Thus, they are the genetic equivalent of half-siblings.