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TIL more than 2,000 homeless people live underground in New York City. Commonly referred to as “Mole People”, they have a hierarchical community and often times are living directly under the most populous parts of the city

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PJZO TIL Shell sold “No Pest Strips” that were highly carcinogenic, even causing one death. They eventually pulled it off the U.S. market and sold it in Mexico so they could still make money. Shell executive: “Speaking as a human being, sure you feel bad. But I’m not being paid to be a human being.”
yVy6l TIL 💥 GRB 221009A nicknamed BOAT • Brightest Of All Time • was the most powerful event ever recorded by humankind. It was a gamma-ray burst detected on October 9, 2022 ~ 2 billion light-years away and released 10,000 times the energy our sun will produce over its lifetime
P1nVO TIL you can have a negative magnitude earthquake. Magnitude calcs are based on logarithmic scale so a ten-fold drop in amplitude decreases the magnitude by 1. If an amplitude of 20 mm as measured on seismic signal corresponds to a magnitude 2 earthquake then 1000 times less (0.02 mm) is mag -1.
xVW7o TIL “Con Man” is short for “Confidence Man” based on Samuel Thompson, a man who would ask people to give him money or their watch to show their confidence in him.
MeDl7 TIL A boy whose whole body looked like an open wound because of a genetic condition which led his skin to be paperthin, had a skin sample taken, its DNA repaired, & the modified skin cells grown to make skin grafts totalling 0.85 sq m. He now leads a normal life.