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

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

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

Search a geological map of Ethiopia for fossils.

Sperimenta interattivamente l'illusione del muro del caffé.

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

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

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.

Show yourself how a pinch of salt can take the bitter taste away.

Make your own refracting telescope from a pair of reading glasses.

An ordinary metal spoon can make some astounding sounds!

Is there life on Mars? Our best evidence so far is a baked-potato-sized chunk of rock found in Antarctica.

What does it take to block gamma radiation?

Explore the ideas behind Science of Sharing with these Activities.

These tricky pictures shift and change as you look at them.

Explore graphing, angles, and storytelling by building a seesaw for your smartphone.

Learn about common techniques for peering inside the body in order to diagnose disease and injury.

A do-it-yourself cartoon kit. It's easy to make pictures move!

Bring movie, TV, and cartoon images to life.

The more astronomy changes, the more it stays the same. This series of images juxtaposes ancient and modern study of the celestial bodies.

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

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

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

Identify misalignments in your body by looking at your feet.

A profile of frog researcher Dr. Tyrone Hayes.

Pick one and guess the source

Listen to internationally recognized authorities on human thought and behavior, including Temple Grandin and Paul Ekman.

Darkening polar skies often bring beautiful light displays.

Explore our app and measure the time of your life.

Learn about common techniques for peering inside the body in order to diagnose disease and injury.

Tour a hydroponic greenhouse in frozen Antarctica.

Can you tell the difference between human and nonhuman embryos?

You may be surprised at the results of this "wimpy" workout.

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

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

Grow marshmallows to monstrous proportions!

What happens to meat when you cook it?

This clay building activity shows that when you make things bigger, weight increases faster than strength.

A brief introduction to the land of the midnight sun.

Use a sheet of liquid crystal to learn about how infrared cameras work.

Learn how some vibrant seniors exercise their minds, and find out what you can do to help your own memory.

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

Close your eyes and listen to tell where the paddle is when you play this all-listening version of the classic game Pong.

In September 2004, the Exploratorium covered a conference in the Galapagos Islands, organized by the National Center for Atmospheric Research, that considered the implications of El Niño forecasting.

On March 29, 2006, a total solar eclipse occurred when the new moon moved directly between the sun and the earth. The moon’s shadow fell on the eastern tip of Brazil, sped eastward across the Atlantic, through northern Africa, across the Mediterranean, an