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

By passing the winter frozen as solid as a holiday fruit cake, the wood frog breaks all rules. Scientists hoping to preserve human organs are paying close attention.

In this activity, students make bridges using an oil-based modeling clay (plasticene).

Try your hand at explaining symbols both modern and ancient, and then make your own.

Each webcast, the Exploratorium staff and teachers demonstrate their science projects and compete for the title of IRON SCIENCE TEACHER!

Explore the ancient knowledge of the Maya, who built sophisticated monuments to the sun.

A drop of water makes a fine magnifying lens.

This stuff can't make up its mind -- is it a liquid or a solid?

Explore the ancient knowledge of the Maya, who built sophisticated monuments to the sun.

Hear audio clips of the ambient sounds of the rain forest at night near Arecibo, Puerto Rico.

Download a PDF file with step-by-step instructions for doing your own cow's eye dissection.

Specialized cells have a common origin. What sets them on separate paths?

Tinker with electricity using common objects: batteries, lights, buzzers, motors, switches, etc.

What happens to sandy or fine-grained soils when an earthquake shakes them up? Try this simple activity to find out.

Your brain is always looking for blank spaces and filling them in. Sometimes, your brain leaps to the wrong conclusion. Then you get a surprise!

Introduce students to unique life science activities that let them work with our research-quality microscopic images and videos.

Make yourself giant or tiny with a snip of the scissors.

What does it take to block gamma radiation?

What is a gear ratio? And how do gears help make the bicycle so efficient?

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

A model for heart development

Use dominoes to model a nerve cell's transmission of a signal

A Scribbling Machine is a motorized contraption that moves in unusual ways and leaves a mark to trace it's path.

Learn how Hubble Telescope scientists put together those lovely pictures.

Rube Goldberg-inspired cause and effect contraptions using everyday materials and found objects.

Get a taste of how the earth's plates move.

What's really going on when you bake? Find out.

Cuatro exposiciones lo suficientemente pequeñas para caber en tarjetas postales.

Learn how you too can enjoy our activities in your kitchen, garage, classroom, and community.

An introduction to the concepts and theories that contribute to contemporary complexity research.

Introduce students to unique life science activities that let them work with our research-quality microscopic images and videos.

Close your eyes – and open your ears.

A fish-eye view of the brain

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

Use live data to make your own wave predictions, wherever you are.

fat, proteins, collagen, and more

Find out why wind resistance is a big drag for bicyclists, and use our calculator to estimate drag for yourself.

Make a paper model that helps explain the changing tides.

Your guide to the Northern and Southern Lights (also in 'Observatory')

Heat-trapping gases play a major role in polar climate change.

A trash-filled median blossoms into a community oasis.

See if you can put these sounds back together in this sonic jigsaw puzzle.

Get down and dirty with the surprising science of soil.

See how TV screens create images from many tiny colored dots of light.

Our collaboration with Public Radio International's The World. With Public Radio International, we're taking technology news beyond the headlines.

Search a geological map of Ethiopia for fossils.