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How Does a Sawfish Use Its Saw?
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How Did the Pretzel Get Its Shape?
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Why Does Gum Lose Its Flavor?
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Do You Judge a Book by Its Cover?
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How Did the Teddy Bear Get Its Name?
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How Many Plants and Animals Did Carl Linnaeus Classify?
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Why Are Fire Trucks Red?
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How Do Escalators Work?
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Can You Play a Kazoo?
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What Is the Loneliest Plant in the World?
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What is a Quotient?
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What Is a CAT Scan?
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What’s the Difference Between Turtles, Tortoises, and Terrapins?
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How Do Elevators Work?
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Why Is the Sky Blue?
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Can Woolly Worms Predict the Weather?
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Why Do People Kiss Under Mistletoe?
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Where Are the Galápagos Islands?
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What Is a Bowler?
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What is in a Pangram?