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TIL During the Cold War, the US tested its ejector seats out on bears.

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Lk9lp TIL that while peacock mantis shrimp can see light ranging from deep UV to far IR (300-720nm), they can only discriminate wavelengths that are more than 25nm apart, the difference that separates orange and yellow, with humans being able to discriminate wavelengths that are only 1-4mm apart
wLWw8 TIL that almost 1/3 of all the morphine in the world is derived in a city in Turkey called "Afyon" which literally means Opium.
0l8v TIL When “Mona Lisa” was stolen in 1911, the police arrested and questioned Pablo Picasso for stealing it.
4xNN TIL under secrecy, that the first jet powered aircraft flown in the US was piloted by Jack Woolams. Already confused by seeing a plane flying with no propeller, other pilots who spotted Woolams would then see him in the cockpit wearing a gorilla mask, a bowler hat, and smoking a cigar.
0wArp TIL - Hoag's Object is the only known galaxy shaped like a doughnut. Discovered 1950 by Arthur Hoag it has an older yellow core with an outer ring of young blue stars & nothing in between. To add to the conundrum, at the 1 o'clock position there's a smaller version of the galaxy hidden within itself