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Why Do Some Eggs Have Two Yolks?
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What Is the NAACP?
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What Was the War of 1812?
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When Did the New Year’s Eve Ball First Drop in Times Square?
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What Is Fool’s Gold?
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Can Kids Be Inventors, Too?
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Who Was Galileo Galilei?
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How Tall Is the Washington Monument?
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How Does a Calculator Work?
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Who was Queen Elizabeth II?
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What Is a Prime Number?
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How Do You Listen to Music?
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Why Did They Put the Alphabet in Math?
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How Did the Months of the Year Get Their Names?
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What Are LEDs?
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Who Was the One-Eyed Queen Who Defeated Caesar?
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What Are Phytoplankton?
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Did a Cow Start the Great Chicago Fire?
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Can the Fountain Of Youth Make You Younger?
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Why Do We Round Numbers?