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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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What Causes Asthma Attacks?
Today's Wonder of the Day might leave you breathless, and not in a good way!
What Causes Asthma Attacks?
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Why Do Some Jewish Men and Women Wear Yarmulkes or Kippot?
Today, we take our hats off (and maybe put our caps on!) to people who wear the subject of our WONDERing—kippot and yarmulkes!
Why Do Some Jewish Men and Women Wear Yarmulkes or Kippot?
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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?