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TIL of Vivianite—a bright blue mineral that forms on skeletal remains when a person is buried in a waterlogged area containing a lot of iron and little oxygen. The phosphate leaking from their remains mixes with these elements to form crystal formations, which help preserve the remains over time.

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QJ6oM TIL that computers have been around since the 1600s. Computers were originally just people who would do calculations and compute things. In the 19th century, computers were usually teams of women who would do complex calculations by hand. As a result, the earliest programmers were also women.
8G4V TIL On the show Archer, the character Doctor Krieger is not a doctor at all. According to ISIS records, his legal first name is Doctor
pPVZ Til the correct term for my relationship with my wife’s sister’s husband is co-brother in-law. He’s my co-bro.
P6Ow TIL that in 2010, Haisong Jiang ran through the security gate of Newark Airport to give a goodbye kiss to his girlfriend. His actions prompted a 6-hour-long security closure of the airport, delaying over 100 flights and 1600 passengers. Mr. Jiang’s crime was declared a misdemeanor.
4XGMX TIL Falcons are more closely related to parrots and songbirds than to other birds of prey