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TIL - Your tonsils can grow back, multiple times during your life

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0dXJN TIL that women can give birth to twins with different biological fathers (heteropaternal superfecundation). The frequency has not been established, but one study found it occurred in around 1 in every 42 cases of fraternal twins whose parents were involved in paternity disputes.
P1xGL TIL that since 1959 in the US, imperial distance measurements (foot, yard, etc.) are standardized in reference to metric distance measurements, e.g. the inch is defined by an exact centimeter amount
4kdVR TIL about the “big Bang” guns made out of a 4.5B year meteorite and sold for $4.5M
pVV4 TIL in the 1950s, hundreds of babies were on loan from orphanages to various U.S. universities. There, students could practice the latest child-rearing theories of the day on a real newborn. After a year or two, the babies would leave their multiple mothers to find homes in adoptive families.
a80E9 TIL In the country of Georgia you can undergo treatment for bacterial diseases using viruses called Bacteriophages, which have shown potential as a solution to antibiotic-resistant bacteria.