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TIL rainbows can be formed at night. They are called 'Moonbows'

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6ERPw TIL that in 1975, the FDA banned the sale of turtles with a shell less than four inches long. The CDC estimates that the ban averts 100,000 cases of Salmonella infections—salmonellosis—each year in US children.
ADYLa TIL, Mr Rogers explained what assassination meant on his show after MLK and RFK were killed.
v1jrx TIL Matt Groening designed the Simpson family to be immediately identifiable from their silhouettes, hence the distinctive hairstyles and head shapes.
6ljl TIL that residents of the village of Shitterton in England grew so tired of people stealing a sign with the village name on it they replaced it with a 1.5 tonne block of stone with the village name inscribed upon it.
W6b4 TIL In the early 1970s, a schoolteacher England assigned a class science project in which his students were to find out the blood types of their parents to deduce their own blood types. Instead, 30 per cent of the students discovered their dads were not their biological fathers.