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How Did the Teddy Bear Get Its Name?
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Why Do People Kiss Under Mistletoe?
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Why Is the Sky Blue?
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What Is a Bowler?
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Why Are Lemons Sour?
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Do Reindeer Live Outside the North Pole?
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What Is Pi?
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Why Do Spiders Spin Webs?
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Why Is Pluto No Longer a Planet?
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How Do Fish Breathe Underwater?
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Is Bluegrass Really Blue?
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Why Do Some Eggs Have Two Yolks?
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Is There Life On Other Planets?
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What's the Difference Between Snow, Sleet, and Freezing Rain?
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What Is a Supernova?
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Can Plants Eat Insects?
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How Did the Months of the Year Get Their Names?
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Do French Fries Really Come From France?
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What Is a Patent?
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How Hot Is Lava?