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What is a Semipermeable Membrane?

We hope you think this Wonder of the Day is exCELLent!

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What is a Semipermeable Membrane?
Why Do We Feel Pain?

Don’t worry, today’s Wonder of the Day is PAINless!

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Why Do We Feel Pain?
What are Autoimmune Disorders?

Is your body always on your side? Learn more with today’s Wonder of the Day!

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What are Autoimmune Disorders?
What is Peripheral Vision?

EYE think you’ll really enjoy today’s Wonder of the Day!

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What is Peripheral Vision?
Who Invented the Microscope?

We hope you’re ready to take an extra close look at today’s Wonder of the Day

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Who Invented the Microscope?
What is Citizen Science?

Pull on a lab coat! We’re all scientists with today's Wonder of the Day!

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What is Citizen Science?
What Is Synthetic Biology?

Today’s Wonder of the Day takes a closer look at the exciting intersection of engineering and biology!

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What Is Synthetic Biology?
Should You Use Hydrogen Peroxide To Clean Cuts and Scrapes?

Today’s Wonder of the Day gives a fizzy reaction when you pour it on your skin!

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Should You Use Hydrogen Peroxide To Clean Cuts and Scrapes?
Why Do People Have Birthmarks?

Today’s Wonder of the Day takes a closer look at the skin we’re in!

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Why Do People Have Birthmarks?
Did Anyone Ever Escape from Alcatraz?

If you want to escape from boredom, today’s Wonder of the Day holds the key!

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Did Anyone Ever Escape from Alcatraz?
Why Do Twins Look Alike?

Today’s Wonder of the Day may cause you to do a double-take!

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Why Do Twins Look Alike?
What Does a Molecular Biologist Do?

Join us in the Wonderopolis lab as we take a closer look at an interesting career!

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What Does a Molecular Biologist Do?
Is There a Cure for Alzheimer’s Disease?

Join us in Wonderopolis today for a closer look at a disease affecting more and more people every year.

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Is There a Cure for Alzheimer’s Disease?
How Does Soap Make You Clean?

Today’s bubbly Wonder of the Day will get you squeaky clean!

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How Does Soap Make You Clean?
What Causes Sandstorms?

It’s dry and hot in Wonderopolis today, and we have a feeling a storm is on the way!

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What Causes Sandstorms?
What Are You Made of?

You’re the star of today’s Wonder of the Day!

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What Are You Made of?
Do You Have an Itch To Scratch?

Be sure to bring your fingernails with you to Wonderopolis today!

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Do You Have an Itch To Scratch?
Can a Person Change Skin Colors?

Today’s Wonder of the Day might really get under your skin!

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Can a Person Change Skin Colors?
How Can Animals Function Without a Brain?

Enjoying today’s Wonder of the Day is a real no brainer!

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How Can Animals Function Without a Brain?
Is It Possible To Regrow a Limb?

Today's Wonder of the Day takes a look at the incredible ability of some animals!

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Is It Possible To Regrow a Limb?

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