Leonardo Da Vinci made a robotic lion in 1515 that would walk, sway, open its mouth and move its tail - it even had a compartment that opened to present flowers.
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There's a road in Lancaster, CA that has grooves carved in such a way that when you drive over them at 55 MPH, they will play a part of Rossini's "The William Tell Overture."
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An Australian study found that homework is of little to no academic value to students in elementary and junior high schools.
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There's a regenerative candle that creates a new candle as it melts.
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When he was 7, Vin Diesel and some friends broke into a New York theater with intentions to vandalize it. Instead of calling the police, the theater’s artistic director handed them scripts and offered them parts in the upcoming show. This became Diesel’s first acting role.
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