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

Stepping is rhythmic movement that uses the body as an instrument.

Discover the difference between taste and smell.

In an earthquake, some older structures collapse and others stand tall. The difference is usually retrofitting.

Just how much fat is in ground beef? You may be surprised.

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.

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

Find out why people who love birthday parties should move to Mercury.

How do you stop and steer a bicycle? What forces keep the bicycle from falling over?

Make a spinning disc called a stroboscope, which lets you create your own animated cartoon.

Get down and dirty with the surprising science of soil.

Do hot water and cold water mix?

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

An introduction to spectra and to the space-based telescopes. The site includes a number of hands-on activities.

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

Interact with the Cafe Wall Illusion.

Experiment with water, temperature, and light to see what makes a seed come out of its shell.

Take a microscopic tour of the staff of life.

What brings archeologists and astronomers alike to this ten-mile canyon in remote New Mexico?

Come along as we explore the cool, dark world of cheese.

Watch old pennies turn bright and shiny right before your eyes!

Journey into Chaco Canyon, where ancient people built monuments to the cosmos. Journey to Chichén Itzá, where the Maya built monuments to the sun.

Investigate the interior angles of polygons with your feet.

In celebration of Albert Einstein's work in 1905, science laboratories and museum around the world (including the Exploratorium) participated in a twelve-hour webcast that explored Einstein's influence on current physics research.

A trash-filled median blossoms into a community oasis.

What's at fault?

The untold stories behind scientific discovery.

Learn the science behind bad hair days, and learn how hair increases its length when humidity increases, making curly hair frizz and straight hair go limp.

From 1977 until 2003, the Exploratorium published a quarterly magazine. The Exploratorium Magazine Online is a companion to selected issues of the print magazine, providing key articles and activities and including multimedia features.

In the 1870s, an American woman could not vote. She could not own property in her own name after marriage. But she could play ball. . .

Just how do we remember a face?

Cells behaving badly

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

Make it grow . . . bigger, lusher, juicier.

How many pennies will your bridge hold?

Want to see where the biggest quakes have been this week? Follow a few of the links below to see what's shaking in your neighborhood and around the world.

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.

Learn how to bridge the digital generation gap

See for yourself how the tilt of the earth's axis results in what we experience as the seasons.

Learn about the giants of the polar seas.

Turn your phone into a pocket science laboratory with tools to measure light, motion, sound, and more.

Test your memory and compare it with your friends'.

Listen to the story of Ladle Rat Rotten Hut.