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TIL, while much of the evidence and general consensus supports the Wright Brothers as “First in Flight” Alberto Santos-Dumont, Gustave Whitehead, and others have competing claims.

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loWLA Today I learned that there's evidence showing that video games can lead to improvement in attention span, vision, and pattern recognition.
4d0R TIL The Pixar movie Cars’ original script was called ‘The Yellow Car’ and it was about an “electric car living in a gas-guzzling world”
8eaGV TIL dogs "play sneeze" when they're feeling excited or playful. "Play sneezes" mean your dog is having a good time and indicate to other dogs that their behavior is only play.
14rW TIL that in 1980 the Supreme Court awarded the Sioux tribe 106 million dollars as compensation for land that was taken from them. The Sioux refused to accept the payment, and the money remains in the US Treasury to this day, accruing interest.
lopY1 TIL of Project Valkyrie: a theorized lightweight interstellar spacecraft that could attain 92% lightspeed. Components are tethered, with the crew 10 km away from the antimatter engine. A system would spray liquid droplets in front of the craft to shield against interstellar dust particles.