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TIL the Anal Sampling Mechanism is a reflex which detects the contents of the rectal vault and allows for voluntary flatulation to occur without unexpected voiding of feces.

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VBNp0 TIL the cause of a traffic light’s collapse in Japan was due to dogs excessively urinating on the base of it, causing corrosion.
16Vj7 TIL that the “dog stinkhorn” is a fungus named for its resemblance to a dog’s penis. Its tip is covered in a spore-bearing paste that smells like cat feces and is attractive to flies, ants and other insects.
9w7Wp TIL of the 1950's Quiz Show Scandal. It was discovered that several televised quiz shows were fixing the winners, leading to public outrage. In response, Congress passed a federal law that outlaws any contest or game with "prearranged or predetermined" winners or an "intent to deceive the audience."
6Z8Y TIL that 3 billion years ago, 2 black holes 19 and 31 times the mass of the sun collided, creating a monstrous black hole and rippling the fabric of spacetime.
bZAa TIL that a woman who disappeared in 1937 was found floating in a lake 3 years later, and her body had turned into soap.