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TIL the US Navy operated two coal fired steam paddle wheel aircraft carriers in the great lakes during WWII

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x6JL5 TIL that the Kingdom of Portugal and the Portuguese Republic were founded on the same day (October 5, the Kingdom being founded by the Treaty of Zamora and the Republic being founded by the 1910 revolution).
p85ZQ TIL the difference between a boat and a ship. When a boat turns, it tilts in the direction it turns, while a ship tilts in the outward direction.
oBlRL TIL that some plants can recognize preying caterpillars by their chewing sounds and then activate chemical defenses. When sounds were played without the caterpillar being present, the plants chemical response was identical.
M5WW TIL When hot water freezes faster than cold water, the effect is called “the Mpemba Effect”. It’s named after Tanzanian Erasto Mpemba who was originally ridiculed for bringing it up in class after noticing his warmer ice cream mix was freezing before the cooler batch
XL0R TIL that in World War II, German soldiers in American POW camps were sometimes allowed to leave without guards on the honor system, visiting nearby towns. Black American guards noted that German prisoners could visit segregated restaurants that they could not.