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How Dangerous is the Cookiecutter Shark?

Are you ready to take a bite out of this Wonder of the Day?

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How Dangerous is the Cookiecutter Shark?
What is a Nudibranch?

If you are what you eat, then what's today's Wonder of the Day?

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What is a Nudibranch?
How Do You Build a Ship Inside a Bottle?

We hope you're ready to set sail with today's Wonder of the Day!

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How Do You Build a Ship Inside a Bottle?
How Cool Are Caves?

Today’s Wonder of the Day is really cool. How cool? Read on to find out!

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How Cool Are Caves?
How Large Are Manta Rays?

Join us in Wonderopolis today as we take a deep dive with some huge sea creatures!

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How Large Are Manta Rays?
Where Is the Sargasso Sea?

Today’s Wonder of the Day takes a closer look at a sea not bound by land!

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Where Is the Sargasso Sea?
Do All Pirates Have Beards?

Aarrrgggghhhhh! Ye best be joinin’ us in Wonderopolis today, or we’ll make ye walk the plank!

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Do All Pirates Have Beards?
Do All Pirate Ships Have Flags?

Arrggghhhhh! Ye won’t want to miss today’s Wonder of the Day. If ye do, ye might have to walk the plank!

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Do All Pirate Ships Have Flags?
Where Is the Tallest Lighthouse?

Today’s Wonder of the Day will help light your way!

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Where Is the Tallest Lighthouse?
Are Jellyfish Made Of Jelly?

Today’s Wonder of the Day would go perfectly with a peanut butter fish!

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Are Jellyfish Made Of Jelly?
How Many Sharks Are In the Ocean?

Today’s Wonder of the Day will have you saying, “My! What big teeth you have!”

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How Many Sharks Are In the Ocean?
Who Was Jacques Cousteau?

Today’s Wonder of the Day is dedicated to a dynamite deep-sea diver!

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Who Was Jacques Cousteau?
What Is a Blobfish?

Join us in Wonderopolis today for a closer look at an interesting underwater dweller!

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What Is a Blobfish?
Where Does Sea Glass Come From?

Join us in Wonderopolis today to see what kind of art the sea can make!

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Where Does Sea Glass Come From?
How Does a Wetsuit Work?

Today’s Wonder of the Day is all wet, but you’ll stay toasty and warm!

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How Does a Wetsuit Work?
How Does a Submarine Work?

You don’t have to go 20,000 leagues under the sea to experience life on a submarine. Just head over to Wonderopolis and let’s dive in!

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How Does a Submarine Work?
What Is a Polar Ice Cap?

Hope you brought your jacket! Today’s Wonder of the Day is served over ice — at the North and South Poles!

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What Is a Polar Ice Cap?
When Was the North Pole Discovered?

If you’re coming to Wonderopolis today, you’d better bring a jacket. It’s going to be chilly!

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When Was the North Pole Discovered?
Why Don’t We Drink Saltwater?

Today’s Wonder of the Day is fun to swim in, but you sure don’t want to drink it!

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Why Don’t We Drink Saltwater?
Are There Monkeys in the Sea?

If you’re coming to Wonderopolis today, you might want to bring some aquatic bananas!

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Are There Monkeys in the Sea?

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