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TIL that in the Middle Ages, scholars and alchemists were alleged to be assisted by a Brazen Head, an automaton that could answer any question asked of it.

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QJPD6 TIL that Franklin D. Roosevelt's disability was largely unknown to the public. He was diagnosed with polio and was mostly paralyzed from the waist down. When photographers tried to catch him in his wheelchair, Secret Service agents reportedly tore the film out of their cameras.
0XbA TIL Michael Jackson invented and patented a shoe that allows the wearer to pull off the anti-gravity lean illusion used in his video for “Smooth Criminal” and during live performances.
grDW7 TIL: Venice was built upon millions off wood piles that were driven into the muds and saltwater of a swamp area. The salt water caused them so solidify and not rot away. Then they were built upon with wood, mud, venetian bricks, and more to create a city with the natural protection of water.
dP6K TIL that the Mars rover Opportunity has been active for over 12 years now, despite a planned duration of activity of only 3 months.
QNKbk TIL Brad Warner wrote his story on suicide and why he chose not to end his life. Today he saved my life, he’s the reason I’m still here.