Explore, Play, Discover: Websites, Activities, and More

Study ultraviolet radiation from the sun and other sources using UV beads.

Los movimientos del ojo hacen parecer que el dise�o brilla.

Use this handy conversion calculator to convert between the many units found in recipes.

What's in that cup of coffee anyway? Find out about the history and chemistry of coffee.

Find out why biodiversity benefits plants and people alike.

You can make a light painting with a light source, a darkened room, and a digital camera.

How good is your friend's driving? You be the seismometer, and find out whether your pal is a smooth sailor or a mover and shaker.

Spin the bottle to see beautiful swirling shapes

Use this handy conversion calculator to convert between the many units found in recipes.

Get a behind-the-scenes look at activities and ideas we’re exploring.

Explore the unknown world inside your brain with these fun activities.

See living stem cells and find out why they are the "stem" from which all other cells develop.

With polarized light, you can make a stained glass window without gla

Why is baseball so popular in Japan?

Come with us to Chaco Canyon in northwestern New Mexico, which is rich with thousand-year-old artifacts of the ancient Pueblo culture and contains sites that appear to have been astronomical observatories.

Stand outside on a sunny day with a watch in your hand, and you can tell which way is north.

Why do teens take risks, and what do our notions of risk tell us about the dangers of growing up?

A comprehensive tour through the weird and wonderful world of frogs.

Explore the surrounding sounds that everyday objects make. Build a noise contraption from these objects, then add a PicoCricket to automate your contraption. Finally, add a light sensor and program your sound automata to "play" when triggered by light.

Kid-friendly explorations and experiments for curious minds.

Explore mechanical elements such as cams, levers, and linkages to create your own moving sculpture.

Four downloadable workshop guides for teaching introductory genetics in a museum or other informal education setting.

Geometry Playground will change the way you think about geometry. This exhibition engages your hands, brain, and body in playful investigations of this most visible branch of math.

Activities and workshops for playful invention, investigation, and collaboration

Have you ever wondered what makes blue cheese blue, or why some cheeses are hard and others soft?

Join us as we visit the Hubble Space Telescope, and see what's happening at Mission Control.

Investigate actual images of the Martian surface taken by the rovers Spirit and Opportunity.

A series of talks celebrating both the historical and contemporary dimensions of the Eames design legacy.

Explore the science behind food and cooking with recipes, activities, and archived Webcasts.

The Antarctic food web is the simplest on the planet, and krill are at its hub.

How good is your friend's driving? You be the seismometer, and find out whether your pal is a smooth sailor or a mover and shaker.

Grow marshmallows to monstrous proportions!

Learn about the rovers that have been exploring Mars since 2004, and view the amazing images they've taken.

See a map of recent earthquakes in the United States, and learn why earthquakes happen so frequently on the West Coast.

A trash-filled median blossoms into a community oasis.

Use this handy conversion calculator to convert between the many units found in recipes.

Visit Las Cuevas Research Station in Belize and the Natural History Museum in London to learn about the study of biodiversity.

An ordinary metal spoon can make some astounding sounds!

With just mud, paper and an egg, you can grow colonies of multi-hued microbes!

Play. Invent. Explore. PIE is a group of educators who share a playful and inventive approach to teaching with technology.

What can you do with a frozen water balloon? Plenty!

Your CRT screen may appear to wiggle when you give it the raspberry, but the only thing wiggling is you.

the Fudge House on Fisherman's Wharf in San Francisco!

The common ground between pickles, cheese, bread, wine, and many other foods.

What do you really know about what you see?