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What Is a Prime Number?
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What Causes a Shooting Star?
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Who Invented Socks?
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Why Do Bananas Bruise?
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Do French Fries Really Come From France?
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Can Plants Eat Insects?
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Where Do Political Symbols Come From?
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Why Is April 11, 1954, the Most Boring Day in History?
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How Long Can You Hold Your Breath Underwater?
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Can You Count with Letters?
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Why Do We Have Different Time Zones?
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Where Is Shanghai?
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How Does the Binary System Work?
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When Are the Dog Days Of Summer?
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Who Invented Numbers?
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How Tall Is the Washington Monument?
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How Do You Connect the Dots?
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Who Invented Rock and Roll?
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What Is the Smallest Computer?
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When Did the New Year’s Eve Ball First Drop in Times Square?