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What Is Mustard Made Of?
Hot dog! Join us today for a bright-yellow Wonder of the Day that goes great with ketchup and is a perennial picnic favorite.
What Is Mustard Made Of?
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What is Kleptomania?
We’re glad you’re back today for another great Wonder of the Day!
What is Kleptomania?
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Where Does Fog Come From?
Do you need to fly to travel through a cloud? Not necessarily! Find out why today in Wonderopolis!
Where Does Fog Come From?