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TIL that the Ancient Egyptians used Crocodile dung for birth control

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W7w7A Today I learned that a day on Venus is longer than a year on Venus. Venus has an extremely slow rotation on its axis, taking about 243 Earth days to complete one rotation, while it only takes about 225 Earth days for Venus to orbit the Sun.
WknG4 TIL that George Newhall and Tom Yohe, co-creators of the "School House Rock" series of educational short songs, produced a similar series for NBC in 1978 called "The Metric Marvels" to teach kids about the metric system in support of the US' short-lived transition to metric.
NOm1 TIL that poor neighborhoods in 60’s-era Washington DC suffered massive rat infestations until Julius Hobson began catching the “possum-sized” rats in a cage, strapping it to the roof of his car, driving them to the rich neighborhoods, and threatening to release them.
PYMWV TIL that former MLB player Larry Walker was obsessed with the number 3. He set his alarm for 33 minutes past the hour, took practice swings in multiples of 3, wore the number 3, was married Nov 3 at 3:33pm, and once bought 33 tickets for disadvantaged kids to sit in section 333 of the ballpark.
6aGJ TIL at the 2:58 mark in Hey Jude, you can hear Paul McCartney say “fucking hell” after making a mistake on the piano. The band thought it was so funny that they decided to keep it in the song.