Wonderopolis

What Is Obsessive-Compulsive Disorder?

We feel compelled to tell you we’re obsessed with today’s Wonder of the Day!

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What Is Obsessive-Compulsive Disorder?
Do You Have a Good Memory?

Today’s Wonder of the Day is unforgettable!

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Do You Have a Good Memory?
How Are Slugs and Snails Different?

Today’s Wonder of the Day is really slow, so we apologize if it seemed like it took forever to get here!

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How Are Slugs and Snails Different?
Do Animals Protect Other Animals?

Today’s Wonder of the Day takes a closer look at amazing animals that lend a helping paw!

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Do Animals Protect Other Animals?
Can You Be Hypnotized?

Today’s Wonder of the Day might make you sleepy…very…very…sleepy…

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Can You Be Hypnotized?
Why Are Cats Afraid of Cucumbers?

Today’s Wonder of the Day might find some otherwise brave felines in quite a pickle!

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Why Are Cats Afraid of Cucumbers?
What Is a Public Service Announcement?

We’ll get right to today’s Wonder of the Day after a word from our sponsors…

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What Is a Public Service Announcement?
What Is an Old Wives' Tale?

Today's Wonder of the Day is just superstition...or is it? Find out at Wonderopolis!

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What Is an Old Wives' Tale?
What’s the Difference Between Apes and Monkeys?

We believe you’ll go ape over today’s Wonder of the Day!

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What’s the Difference Between Apes and Monkeys?
Are There Different Human Species?

Today’s Wonder of the Day takes a look at some very distant relatives of ours!

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Are There Different Human Species?
What Does a Marine Biologist Do?

The stars of today’s Wonder of the Day sometimes wear wetsuits to work!

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What Does a Marine Biologist Do?
Why Is It So Fun To Monkey Around?

Today’s Wonder of the Day may seem like pure monkey business!

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Why Is It So Fun To Monkey Around?