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TIL wild giraffes have evolved to sleep an average of 30 minutes a day, in five minute intervals, to minimize vulnerability to predators.

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5YbKR TIL women's fallopian tubes are mobile parts of the reproductive tract. If a woman has one tube removed the remaining tube can travel to the opposite ovary to pick up eggs.
ANlZa TIL about the Ghost Blimp. In 1942, a crew of two men left San Francisco in a Navy blimp to conduct an antisubmarine patrol. Five hours later, the empty blimp drifted back ashore and crashed into a residential neighborhood. No trace of the crew was ever found.
1OL7 TIL that an officer of the California highway patrol ,Sgt. Kevin Briggs, has stopped more then 200 people from committing suicide on the golden gate bridge.
OG0E1 TIL all London Public Transport each service has a unique seat pattern called a moquette.
6eDJ TIL that while in the army Mr. T was given the punishment of chopping down trees. The sergeant didn’t tell him how many, so Mr. T single-handedly chopped down 70 in 3.5 hours.