• Inseparable Books

    Are you stronger than two books?  Try this activity at home to find out.

  • Whizzball

    Now this is a puzzle and a half! Assemble all the pieces in the right places to make the ball hit the target.

    Try a game someone else created, or challenge yourself and others with your own design!

  • Doodle

    Doodle explores the possibilities of 3D drawing. Swirl your creation with your mouse to see it from all angles.

  • The Magnetic Miracle

    Magnetic resonance imaging, MRI, represents a breakthrough in medical diagnostics and research. Worldwide, more than 60 million investigations with MRI are performed each year. In 2003, this imaging technique was awarded the Nobel Prize in Physiology or Medicine.

  • Pest Detective

    Clean up the pests that are damaging a beautiful house.  Make sure to read the diary for today's mission.

  • GPS: The New Navigation

    GPS is used by millions of people around the world every day.  Curiously enough, the idea behind GPS is to use satellites hurtling through space to find your whereabouts here on Earth.

  • The Wright Brothers

    One hundred years ago, the beaches of Kitty Hawk were not the coziest place to call home.  And yet here, on the windy, desolate shores of North Carolina's Outer Banks, Orville and Wilbur Wright built and rebuilt their living quarters each year while experimenting with flight.

  • Uncanny Cancan

    Follow the instructions to get a soda can to do a dance! 

    You can do this at home with very little preparation.  Just be sure to clean up if you make any mistakes!

  • The Bridge Challenge

    Test your engineering skills and try to match the right bridge to the right location.

    There are more than half a million bridges in the United States, and you rely on them every day to cross obstacles like streams, valleys, and railroad tracks. But do you know how they work? Or why some bridges are curved while others are straight?

  • Code Cracker

    Use your logic skills to open the lock! 

    After you've decoded this game, work with your friends to create a secret code that no one else can understand!  Click here to see how to get started. 

  • Sign Language Video Dictionary

    Explore this huge online video dictionary of American Sign Language. 

    Did you know that sign language evolved naturally (just like spoken language) around the world over time. One of the first books on sign language (the alphabet) was published in 1620!

    Someone who knows only American Sign Language (ASL) will likely not understand someone speaking in German sign language, though ASL is closely related to French sign language.

    Learn more about sign language here.

  • Send a Mystery Code

    Did you know people have been using secret codes since before the invention of the modern alphabet?  Crack a coded message, or type your own and email it to a friend.  But be careful—you never know who might be spying…

  • Conker's Collectibles

    Customers have brought their heirlooms to the shop.  

    You're the expert- it’s your job to figure out what they are and how they were once used.

  • Kitchen Chemistry

    You're about to enter a funky virtual world stocked with groceries.  Use the items in the kitchen and keep notes in your Lab Journal.  See if you can answer the big question!

  • The Dig

    You are an archaeologist on a dig in a back garden. Lots of interesting objects have been found, but there are also some modern-day things that people have left lying around.

    Can you tell the difference?

    If you like finding things and trying to figure out what they were used for or what they might mean, then you could be an archaeologist!

    Click here to find out more about what's going on in archaeology today and watch some videos.