› added 10 years ago

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TIL that wearing a condom with holes (while having sex with your wife), is the only method to collect a sperm sample that is morally acceptable to the Catholic church.

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via reddit.com

e01nJ TIL a man named Ed Thorpe figured out how to count cards in blackjack before anyone else. He then used his winnings and his quantitative strategies to open one of the most successful hedgefunds of all time. Oh—he also invented the first wearable computer!
QN409 Til there were no former US presidents alive at the time of NIxon’s resignation.
mk6M TIL No president of the United States of America was an only child
aOMy TIL researchers polled 250 children regarding their opinions on clowns; all 250 children in the study reported that they found clowns frightening.
l78r1 TIL The Assyrians had basic lens technology. One of their creations, the Nimrud lens, dates to 710 BCE, though its purpose is debated. Lenses could have been used to start fires, as decoration, or astronomy tools (with references to the snakes of saturn being the rings or mythology)