Have You Ever Wondered... What is a Rube Goldberg machine? Who was Rube Goldberg? Why are Rube Goldberg machines so fascinating?

Have You Ever Wondered... What is an invasive species? What harm can invasive species do? What are some examples of invasive species?

What Is a Gondola?H ave you ever been to Venice, Italy? Or maybe you’ve seen a movie set there. If so, you were probably amazed by the beautiful scenery. You might also have been curious about why ...

Have You Ever Wondered... What's so special about Broadway? Why is Broadway called “The Great White Way"? What is the longest-running Broadway show of all time?

Today’s Wonder of the Day was inspired by Sophie from Columbia, SC. Sophie Wonders, “Why is April 11, 1954 the most boring day in history?” Thanks for WONDERing with us, Sophie! Do you ever watch the ...

Today’s Wonder of the Day was inspired by Addison. Addison Wonders, “ who invented porta potty's ” Thanks for WONDERing with us, Addison!

Today’s Wonder of the Day was inspired by Aubrey from El Cajon. Aubrey Wonders, “What is a biodome?” Thanks for WONDERing with us, Aubrey! A biodome is a self-contained, self-sustaining, human-made ...

Today Wonderopolis is exploring the tradition of the quinceañera. Put on your party shoes and join us as we celebrate this very important sweet 15.

Today’s Wonder of the Day was inspired by Anna. Anna Wonders, “How do the claws of wolfs and bears retract and reatract” Thanks for WONDERing with us, Anna! If you’ve spent much time around cats of ...

Have You Ever Wondered... How do dryer sheets prevent static cling? What causes static cling? Can you make your own dryer sheets?

Today’s Wonder of the Day was inspired by tajveer. tajveer Wonders, “why don't plastic decompose why does it take that long” Thanks for WONDERing with us, tajveer! Why? Unlike organic materials, like ...

How Do We Wonder?C alling all Wonder fans—today’s Wonder is for you! If you’re here, you already know how much you can learn and how much fun you can have on Wonderopolis. But have you ever wonder ...