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TIL about Yellapragada Subbarow who discovered that ATP is the source of energy of the cell was refused tenure at Harvard because he was an Indian

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wLB0M TIL that amber (the gemstone) is actually fossilized tree resin. Resin is semi-solid and acts as a defense response for a tree's immune system – for instance, sealing and sterilizing wounds.
b6MrN TIL Nolan Bushnell played Spacewar! in a computer lab in the 1960s. The only computers capable of running the game at the time cost more than $100,000. Bushnell decided he didn't need a computer and used affordable custom hardware to create "Computer Space" housed in a futuristic cabinet
Gx7g TIL on the real whaleship Essex (which was destroyed by a white sperm whale, inspiring Moby Dick) the crew resupplied at Galápagos by collecting 300 Galápagos giant tortoises which they let roam the ship at will, butchering them at sea as needed.
gDZ9 TIL that it would take 76 work days for the average person to read the all privacy policies they agree to in a year.
g1X4 TIL Viggo Mortensen’s tattoos in Eastern Promises were so realistic that diners in a Russian restaurant in London fell silent out of fear during production.