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TIL a professor of molecular biology successfully put the silk making gene of a spider into a goat. When milked, the goat produces spider silk.

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loLGK TIL Waist chop or waist cutting was a form of execution used in ancient China. As its name implies, it involved the condemned being sliced in two at the waist by an executioner
AD0Mg TIL That the Space Shuttle always fired its main engines 6.6 seconds before the side rockets. If the main engines failed to start there’d be no way to stop the side rockets because they cannot be shut off once ignited.
9Ylx7 TIL blue raspberry flavor is based on a real fruit called Whitebark Raspberry, which bears blue/black fruit.
8x5Z TIL that the 2000 Nickelodeon TV-movie ‘Cry Baby Lane’ was considered lost for over a decade, until 2011, when a Reddit post about the film prompted a user to find his recorded VHS copy, making it available online. This positive reaction to the film inspired Nickelodeon to re-air it later that year.
d8DlB TIL The earliest known Fiat Currency was used by the Yuan Dynasty (1271–1368)