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TIL to find interstellar life, one of the things astronomers look out for is a Dyson Sphere, a power plant which harnesses the power of its solar system’s sun by surrounding it with solar panels. It is theorized to be a logical necessity for a spacefaring civilization to sustain intergalactic travel

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e0bME TIL Winona Ryder was supposed to play the role of Mary Corleone in The Godfather Part III, but was replaced last minute with Sofia Coppola because of becoming sick a week before filming. Critics panned Coppola's performance, and it was a major reason that the movie tanked at the box office.
rR0m1 TIL It's theorized that Mitochondrion were originally a separate organism which became incorporated symbiotically into other bacteria at some point
negvo TIL I suffer from Ice-Pick Headaches which are intense but short duration, typically lasting 5-10 seconds. I was afraid it was an aneurysm rupturing
6y7m TIL that in 2005, despite producing only 1/50th the number of cars as Volkswagen, Porsche attempted to buy VW on the open market. It rapidly amassed 74% of the outstanding shares of its larger German counterpart before running out of money and ultimately being purchased itself by none other than VW.
69P07 TIL Ernst Hanfstaengl, a confidant of Hitler, defected to the US after he fell out of favor. He had been ordered to parachute over Spain and be an agent for Franco in the Spanish Civil War, but he was convinced it was a plot on his life. Albert Speer claimed that it was an elaborate practical joke.