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Why Do Bananas Bruise?
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When Did the New Year’s Eve Ball First Drop in Times Square?
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What Is a Prime Number?
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What Are the 12 Days of Christmas?
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When Is It Okay To Stay Up All Night?
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Why Are Red and Green Traditional Christmas Colors?
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What Is Compound Interest?
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What Is Da Shuhua?
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Why Is 2011 the Year Of the Rabbit?
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Can You Count with Letters?
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How Does WiFi Work?
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What Is the Pythagorean Theorem?
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What Is an Eagle?
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Why Is It Called "Big Ben"?
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Do Deer Shed Their Antlers?
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What’s Your Favorite Halloween Costume?
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What Were the Original Thirteen Colonies?
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What’s Your Favorite Holiday Cookie?
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Where Is the Largest Library in the United States?
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How Deep Is the Grand Canyon?