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TIL that the uranium used in the Nagasaki and Hiroshima bombings were mined from Katanga province, Congo.

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NxWJ TIL: The biggest cities, like NYC (212), Chicago(312), and Los Angeles (213), were assigned the shortest area codes so they could be dialed fastest on rotary phones; that’s why Anchorage (907) got the short end of the stick.
GY0b5 TIL In the early 1960s The Friars Club unknowingly hosted a 5-year long elaborate card cheating scheme involving celebrities, the mafia, an accomplice peering through a hole in the ceiling, and wireless codes sent to a vibrating device hidden on the cheater at the table below. Millions were lost.
9w7LQ TIL that the longest orgasm in mammals is that of the domestic pig (Sus scrofa domesticus). On average, its orgasm lasts 30 minutes, but it can last for as long as 90 minutes.
OGYR1 TIL of the Superman memory crystal, a nanostructured glass used for permanently recording digital data. It can store up to 360 terabytes worth of data for billions of years. It is so durable that even at 189 °C (372 °F), its decay time is comparable to the age of the Universe (13.8×10^9 years).
GAMw5 TIL that the official Game Boy port of classic video game Dragon's Lair has nothing to do with the original game aside from the protagonist Dirk. It is actually a port of a different game, Roller Coaster, the result being a game in which Dirk must navigate various carnival rides and roller coasters.