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Why Are They Called "Ears" of Corn?
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What is COVID-19?
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What Will the COVID-19 Vaccines Do?
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What Would You Pack for a Trip to Outer Space?
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What Causes a Shooting Star?
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Why Do Birds Fly in a V?
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What Is Hyperventilation?
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Where in the World Is Kolkata?
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How Old Is Soccer?
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What Is a Prime Number?
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Why Is April 11, 1954, the Most Boring Day in History?
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Where in the World Is Turkey?
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Who Was Rosalind Franklin?
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What Is a Spit Valve?
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Where Is Malaysia Airlines Flight 370?
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Who Invented Rock and Roll?
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When Was the Fork Invented?
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Do You Like Pineapple on Your Pizza?
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How Big Can a Dog Get?
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Can You Escape From Handcuffs?