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Who Invented Rock and Roll?
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Why Do Some Golf Courses Have Windmills?
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What is Asperger Syndrome?
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Where Is the Fastest Roller Coaster?
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What Is Fermat's Last Theorem?
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Who Invented the Spork?
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What Is Vocaloid?
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What Can Happen During a Full Moon?
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Is Seven Really a Lucky Number?
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What Can You Make in a Slow Cooker?
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Why Do Dogs Drool?
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Why Are Dimes Smaller Than Pennies?
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How Can You Pay It Forward?
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Can People Stick to Walls?
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What’s the Difference Between Turtles, Tortoises, and Terrapins?
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Are Extreme Sports Dangerous?
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Who Were the Samurai?
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How Did Astronauts Build a Space Station?
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Who Is Misty Copeland?
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What is Sky Surfing?