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TIL: Leonardo DaVinci was the first person to explain why the sky is blue

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R5W94 TIL that Cartoon Network used to sponsor the Orange Arrows F1 racing team back in the year 2000
lPkN TIL that American adults have higher scientific literacy than European or Japanese adults despite the USA’s poor reputation in education
ANWxo TIL that USA accidentally dropped 2 nuclear bombs over Morocco in 1956 and in 1966, one of them has never be found and is still in the ocean
rRDBo TIL of incinerating toilets that are used primarily in places where plumbing is difficult or impossible to install. They use propane and electricity to burn waste.
KgWE TIL in ancient Rome, the architectural feature called a “vomitorium” was the entranceway through which crowds entered and exited a stadium. The Latin word vomitorium derives from the verb vomitum which means “to spew forth”.