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Why Do People Kiss Under Mistletoe?
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Why Do Pianos Have 88 Keys?
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How Did the Months of the Year Get Their Names?
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What's the Difference Between Snow, Sleet, and Freezing Rain?
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Where Does French Toast Come From?
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How Were Birthstones Chosen for Each Month?
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What Are Baseballs Made of?
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Do You See a Face on the Moon?
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Who Invented Sticky Notes?
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Why Doesn't Glue Stick To the Inside Of the Bottle?
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Have You Ever Had a Frog In Your Throat?
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Do Robots Wonder?
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Why Do Sidewalks Have Lines?
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Why Are There So Many Antibiotics?
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What Is a Prime Number?
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How Many Times Does Your Heart Beat in a Lifetime?
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How Does a Wetsuit Work?
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Why Is Ice Slippery?
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What Is Elbow Grease?
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How Does a Wastewater Treatment Plant Work?