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300

TIL Orbital mechanics in 60 seconds

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R7rMl TIL America's treatment of Native Americans convinced Hitler of the practicality of genocide, and the Indian reservation system inspired him in creating concentration camps
P1geG TIL Los Alamos, New Mexico has the highest concentration of millionaires in the U.S. 12.4% of households have assests greater than $1 million
780yb TIL there were no casualties in the 2022 Cyprus earthquake besides 1,600 chickens that died in a stampede caused by their panic
QBnL TIL a group got instructions to sleep as long as they wanted, their cortisol started to rise at 8, and woke up at 9. Another group was said they’d wake up at 6, and their CRH and cortisol rose at 5. Just their expectations of waking time changed the behaviour of stress hormones.
wop4W TIL scientists recovered DNA from the extinct miniature elephant on Sicily. Two different species of miniature elephants evolved separately on the same island. The smallest one was a meter tall and weighed about 300 kgs. The other was about 2 meters and 1,000 kgs.