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Are Ghosts Real?
We hope you say “Boo!” to today’s Wonder of the Day!
Are Ghosts Real?
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What Is a Spit Valve?
We don’t mean to toot our own horn, but we think today’s Wonder of the Day will be music to your ears.
What Is a Spit Valve?
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Who Is Uncle Sam?
Today’s Wonder of the Day features everyone’s favorite uncle!
Who Is Uncle Sam?
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How Do Mood Rings Work?
We hope you’re in the mood for an interesting Wonder of the Day today!
How Do Mood Rings Work?
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Why Are Batteries Different Sizes?
We hope today’s all-new Wonder of the Day really gives you a charge!
Why Are Batteries Different Sizes?