Explore Wonders | Tag: trigger | Wonderopolis

Explore Wonders | Tag: trigger | Wonderopolis

Wonderopolis

Can Humans Cause Earthquakes?

Today’s Wonder of the Day might really shake things up!

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Can Humans Cause Earthquakes?
Do Certain Sounds Annoy You?

We don’t think you’ll like the sound of today’s Wonder of the Day!

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Do Certain Sounds Annoy You?
What Is a Burl?

We believe today’s Wonder of the Day will really grow on you!

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What Is a Burl?
Why Do People Get Headaches from Certain Scents?

The smell of today’s Wonder of the Day might go straight to your head!

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Why Do People Get Headaches from Certain Scents?
How Fast Can a Bullet Travel?

Don’t blink or you’ll surely miss today’s Wonder of the Day!

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How Fast Can a Bullet Travel?
How Do You Get Allergies?

Warning: Today’s Wonder of the Day could give you itchy eyes and sneezing fits!

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How Do You Get Allergies?
Is It Bad Luck to Open an Umbrella Indoors?

Down on your luck? Watch out for ladders, black cats, broken mirrors, and more today in Wonderopolis!

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Is It Bad Luck to Open an Umbrella Indoors?
How Do Automatic Doors Know When To Open?

Today’s Wonder of the Day opens with a “swoosh!”

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How Do Automatic Doors Know When To Open?
How Does a Doorbell Work?

Today’s Wonder of the Day might have you saying, “Who’s there?”

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How Does a Doorbell Work?
What Causes Asthma Attacks?

Today's Wonder of the Day might leave you breathless, and not in a good way!

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What Causes Asthma Attacks?