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What Makes Popcorn Pop?
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What Causes a Shooting Star?
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Can You Travel the World Without Leaving Home?
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Where Do Political Symbols Come From?
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Are You a Good Observer?
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How Many Hot Dogs Can You Eat In 10 Minutes?
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Why Is April 11, 1954, the Most Boring Day in History?
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What Is a Prime Number?
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How Does the Binary System Work?
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How Do Hurricanes Get Their Names?
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Are Naps Good for the Human Body?
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When Is the Winter Solstice?
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How Many Is a Googol?
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Why Do You Blink?
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Who Invented Rock and Roll?
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Does Music Help You With Math?
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Why Do You Have To Go To Bed Before Dark?
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When Did the New Year’s Eve Ball First Drop in Times Square?
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Who Was the First Person in Space?
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What Is an Emperor Penguin?