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TIL there are more Norwegians in America than there are in Norway

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R57ya TIL of the United States Camel Corps, a mid-19th-century experiment by the United States Army in using camels as pack animals in the Southwestern United States. The Civil War interfered with the experiment and it was eventually abandoned; the animals were sold at auction.
kJld1 TIL that study that says men divorce their sick wives was retracted in 2015 for a major error that severely skewed its results ("no response" was classified as "getting divorced" for men). Men do not actually divorce their sick wives at a higher rate than women divorce sick husbands.
gKeX TIL there was an experiment where 2 groups of 11-12 yr old boys were given separate camps in a state park. When the groups became aware of each other they began raiding each other’s camps, which led to physical combat. The investigators ended the experiment for fear someone would get seriously hurt.
WvvB TIL: Mobile users in poor countries can access Wikipedia articles without data charges thanks to ‘Wikipedia Zero’. It’s currently operating in 34 countries.
X45j TIL there is a species of wasp that subdues a cockroach with two precise stings, takes it to its burrow by pulling on its antennae like a leash, blocks the entrance with pebbles, and then lays an egg inside the cockroaches’ body so that the baby wasp can feed on the zombie cockroach for days.