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What Was the Permian Extinction?
Today in Wonderopolis, it’s time to answer an age-old question.
What Was the Permian Extinction?
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What Is Probability?
Chances are pretty good that we are Wondering about probability today!
What Is Probability?
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Why Does Hair Turn Gray?
There’s nothing black and white about today’s Wonder of the Day!
Why Does Hair Turn Gray?
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Why Do Leaves Change Color in Autumn?
Today’s Wonder of the Day won’t help you turn over a new leaf, but it will take a closer look at a few old ones!
Why Do Leaves Change Color in Autumn?