› added 12 years ago

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TIL that Robert Chesebrough, the inventor of Vaseline lived to the age of 96, he attributed his longevity to the spoonful of Vaseline that he ate every day.

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5VgWP TIL of the Frog Test, a pregnancy test where a woman’s urine was injected into a frog, and if it started ovulating, the woman was pregnant. It was used in the 1940s-60s and was surprisingly accurate.
R7Y4Q TIL about Lesch-Nyhan Syndrome, an inborn error of metabolism who's clinical hallmark is self-mutilation. The behavior begins after teething, as infants bite off their lower lip/perioral tissue. Later in life, affected patients are known to stab themselves and amputate fingers, toes, and tongue.
ZpDda TIL that scientists believe the earliest known ancestor of humans (and many others), Saccorhytus, was about a millimeter in size and lived between grains of sand on the ocean floor 540 million years ago. It also had a very large mouth, but surprisingly no anus
9YJrr TIL Future US President Hoover Had to Spend 14 Days in Quarantine after arriving in Australia as a Young Mining Engineer in 1898
4XbOJ TIL that babies cry when they are born because they are bruised and sore from the trauma of birth