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What’s Your GPA?
You might want to bring your calculator to today’s above-average Wonder of the Day!
What’s Your GPA?
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How Many Bridges Cross the Amazon River?
If you’re coming to Wonderopolis today, you’d better bring a boat!
How Many Bridges Cross the Amazon River?
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What is Down Syndrome?
Look closely at today’s Wonder of the Day — it may include a little something extra!
What is Down Syndrome?
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Why Are Cats’ Tongues Rough?
Today’s Wonder of the Day is really the cat’s meow!
Why Are Cats’ Tongues Rough?