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

Skilled listeners share their secrets.

Learn about the giants of the polar seas.

Pick one and guess the source

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

Learn how eyes work, and watch a cow's eye dissection. Then follow step-by-step instructions to do a cow's eye dissection yourself.

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

Saving seeds helps preserve the culture of Native American farmers in the American Southwest and northern Mexico.

Most paper airplanes are flat, but these paper hoops can really fly!

Watch tiny blue, green, and white molds grow on leftover food.

Get down and dirty with the surprising science of soil.

Design and build a musical instrument that responds to changing light.

Darkening polar skies often bring beautiful light displays.

Why is your shadow longer in winter than in summer? Grab a basketball and some paperclips and find out!

Scientists dig under the surface for clues to past climate

Find out how a cochlear implant helped one man regain the ability to listen.

La famosa modelo de Leonardo es usada en un interesante experimento de percepci�_n.

An incubator for innovative public space ideas, projects and news

Looking at the night sky can help you see how your eyes and brain make sense out of moonlight.

How has imagery changed the way we look at our bodies—over time and in different cultures?

Learn about the search for life elsewhere in the universe.

Make a scale model of the Solar System and learn the REAL definition of "space."

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

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.

Where is the Center of the Universe? Here, there, and everywhere.

Use your naked egg to experiment with osmosis, the movement of water across a membrane.

It's easy to fold a sheet of paper in half. But can you fold a sheet of paper in half ten times?

Visit the Outdoor Exploratorium at Fort Mason to explore the science behind wind, waves, and more.

Richter and beyond

An evening of wine, food, and talk.

Make a scale model of the Solar System and learn the REAL definition of "space."

Wind tubes are a playful and inventive way to explore the effect that moving air has on objects.

Can a gum wrapper have a story? Discover just how important and meaningful an object can be.

Take a microscopic tour of the staff of life.

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

Listen to bird songs and try to figure out which are songs, which are companion calls, and which are alarms.

Grow spikes of crystals in the sun.

What do you really know about what you see?

Bring movie, TV, and cartoon images to life.

Find out what's inside a floppy disk.

Follow along with expedition leader Bob Ballard and his crew on the exploration vessel Nautilus as they search for hydrothermal vents, underwater volcanoes, and ancient shipwrecks.

Listen to the story of Ladle Rat Rotten Hut.

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

Not all bubbles are made with soap!

Grow marshmallows to monstrous proportions!

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

Explore the scientific, historical, and cultural context behind a new opera about the first atomic bomb test.