› added 3 months ago

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TIL from the 1960s to the early 1990s, RadioShack had a "battery of the month" club. Members were issued a free wallet-sized cardboard card which entitled the bearer to one free battery a month when presented in RadioShack stores.

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GAK67 TIL: There was a study spanning 18 years that compared sexual activity across social demographic variables. It found that internet usage, race, religion, etc did not matter as much. The biggest factor for men was employment. Men who were students or unemployed were likely to be sexually inactive.
69VYJ TIL there are an estimated 950 TRILLION invasive quagga mussels in Lake Michigan.
wERM TIL Aircraft black boxes are designed to be able to withstand the pressure of being a mile underwater for up to 30 days. In the case of the Airbus box on Air France 447 it spent over 2 ½ years at over 3 miles deep and was still able to determine the cause of the accident.
W6A4 TIL that squirrels forget where about 50% of the nuts they’ve hidden are.
jNvvX TIL: Gregory the Great- 6th Century Pope (and Saint) wrote of Mary Magdalene as a prostitute, despite there being no record of this in Scripture. Contemporary scholars agree that Mary Magdalene was likely an upper class woman who supported Jesus Christ- but not necessarily a prostitute.