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What Would You Pack for a Trip to Outer Space?
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What Is a Prime Number?
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How Did the Pretzel Get Its Shape?
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How Do You Play a Harmonica?
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Who Is Punxsutawney Phil?
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What Is a Swallow?
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What Is Papier-Mâché?
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Why Aren’t Hamburgers Made Of Ham?
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Who Was Kalpana Chawla?
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What Was the Underground Railroad?
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Who Was Irving Berlin?
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Who Created Frozen Pizza?