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What Are the 12 Days of Christmas?
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What Causes a Shooting Star?
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What Bedtime Story Would You Tell?
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How Can Math Help You Cook?
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Who Came Up With Chewing Gum?
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Why Do Bubbles Float?
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What Is a Prime Number?
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Why Is April 11, 1954, the Most Boring Day in History?
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How Did the Months of the Year Get Their Names?
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Who Was the First Person in Space?
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Who Invented Rock and Roll?
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When Did the New Year’s Eve Ball First Drop in Times Square?
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How Do You Build a Tunnel Underwater?
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Do All Heroes Have Superpowers?
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Why Do Some Years Leap Ahead?
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Do Kids Need More Sleep than Adults?
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How Many Is a Googol?
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Who Was the First Female and American Indian Engineer?
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What Is an Aqueduct?
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How Does the Binary System Work?