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TIL The Pareto principle states that often roughly 80% of the effects come from 20% of the causes, & originated in the observation that 80% of Italy's land was owned by 20% of the population. The richest 20% of the world also get 82.70% of the income.

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4Xnao TIL pigeons who are sick or aging hide (and die) in remote places a reason why its rare to see pigeon corpses
VMkoB TIL Malden Mills, Inventor of the Popular Polartec fleece fabric, burned down in a fire in 1995. Instead of taking the opportunity to save money and move operations, the owner kept paying all workers while they rebuilt. it cost the owner over $25 million.
aGoN TIL that the Schwarzschild Radius is the size an object is compressed in order to make it a black hole. Earth’s Schwarzschild Radius would be compressing it to 8.7 mm, which is roughly the size of a peanut.
KYM1E TIL during a test of the accuracy of dog DNA tests, a man submitted his own human DNA, and got results back with dog breeds they suspected the DNA being from
EP8P TIL There is a gun at the International Space Station and it belongs to the Russians