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TIL 80% of people can only breathe out of one nostril at a time. The body naturally cycles between nostrils by closing one up at a time by gorging nasal tissue with blood like an erect penis, then switching every few hours.

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yQ5Bl TIL: During the Russian famine of the 1920s, Government officials advised starving residents to dig up the dried bones of animals, grind them into flour and bake a “bread substitute [that has] a nutritive value of 25 percent more than rye bread, in spite of its unpleasant smell and taste”.
rN4Qx TIL that the first use of an external defibrillator was on a 14-year-old boy in 1947. These early defibrillators used alternating current that was transformed from 110–240 volts available in the line, up to between 300 and 1000 volts, to the exposed heart by way of "paddle" type electrodes.
a8K0 TIL that the Roe effect is an hypothesis which suggests that since supporters of abortion rights cause the erosion of their own political base by having fewer children, the practice of abortion will eventually lead to the restriction or illegalization of abortion.
v1gO4 TIL that Cleopatra claimed pickles made her beautiful
mx6RO TIL in 1971, astronaut Alan Shepard hit 2 golf balls on the moon - he hit the first one into a crater, and claimed to have smashed the second one "miles and miles and miles". However, recent research has shown that the first ball travelled 24 yards (22 m), and the second ball only 40 yards (37 m)