Have You Ever Wondered... How does a calculator work? When was the calculator invented? How big were the first calculators?

Today’s Wonder of the Day was inspired by Dominic. Dominic Wonders, “ Can parrots actually talk? ” Thanks for WONDERing with us, Dominic!

How Hot Is the Sun?T he sun that heats our planet and brings life to everything on Earth is a big ball of gas. Those gases are mostly hydrogen and helium, but the sun also contains small amounts of ...

Today’s wonder features a daily dozen you use all year long. Find out how the months got their names!

How Many Is a Googol?Try It Out Did the numbers in today's Wonder of the Day blow your mind? Dive deeper into big numbers with one or more of the following activities you can try with a friend or ...

Today’s Wonder of the Day was inspired by Nya. Nya Wonders, “How do car brakes work” Thanks for WONDERing with us, Nya! If a deer runs out in front of your car, though, you might start thinking about ...

What Does Mayday Mean?Mayday! Mayday! Mayday! Wonderopolis needs your help! Will you respond? Ask a friend or family member to help you explore one or more of the following activities: We're not stuck ...

Have You Ever Wondered... How do scientists explore the solar system? What unmanned probe has visited Saturn? Are all telescopes on Earth?

How Does Bleach Work?P eople bleach their clothes. People with dark hair who want lighter hair may bleach their hair. Some people even bleach their teeth to give themselves a sparkling white smile. If ...

Who Was Grace Lee Boggs?W e learn in school about historic U.S. figures who fought for social and civil rights. Dr. Martin Luther King, Jr., Angela Davis, Malcolm X, and Rosa Parks were all famous for ...

What Is a Wigwam?H ave you ever WONDERed what life was like for Native Americans long, long ago? When you've studied Native Americans in school, you've probably seen pictures of some of the structures ...

Today’s Wonder of the Day was inspired by sam from NC. sam Wonders, “why does reading make us sleepy?” Thanks for WONDERing with us, sam! Has this ever happened to you? You bring home an exciting new ...