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TIL non-invasive prenatal testing, which draws blood from the mom to detect fetal abnormalities, can detect maternal cancer. Multiple severe chromosomal abnormalities can mean mom has cancer rather than fetus has many birth defects

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EEVo TIL that only one species of frog goes “Ribbit”, but it has become a national and global cliche because that frog resides in Hollywood and was used for sound effects
XEYQP TIL that in 1715, a Scottish Nobleman named William Maxwell escaped death by switching clothes with his wife’s maid on the night before his execution and fleeing the Tower of London. He escaped to Rome, where he lived with his wife for the rest of his life.
1l8V TIL mail order shops sold nose hair trimmers cheaply to build lists of people too embarrassed to buy them in person, and therefore very likely to buy more embarrassing things via the mail.
QZZ6 TIL that in California and 3 other US states, “Ladies’ Night” are against the law because they are gender discrimination
16ZQV TIL: In 2019, a lawyer and a software developer brute force copyrighted every possible melody and entered them into public domain to insulate musicians from ‘stolen melody’ lawsuits.