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Why Do Some Eggs Have Two Yolks?
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Who Invented the Alphabet?
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Why Is There No Gravity in Space?
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Where in the World Is Kolkata?
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How Are Maps Made?
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What Causes a Shooting Star?
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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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What Is a Prime Number?
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When Did the New Year’s Eve Ball First Drop in Times Square?
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Who Invented Rock and Roll?
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Why Don’t All Months Have the Same Number of Days?
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How Big Can a Dog Get?
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Who was Queen Elizabeth II?
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Do All Heroes Have Superpowers?
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How Do Crickets Talk?
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How Often is “Once in a Blue Moon”?
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Where Is the Emerald Isle?
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How Tall Is the Eiffel Tower?
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How Did the Months of the Year Get Their Names?