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

What's the science behind a home run? Why do curveballs curve? Learn about the game from players from the S.F. Giants & Oakland A's.

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

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

Crabeaters have extraordinary teeth, Weddells are downright cute, and leopards are as fierce as their namesake

What do stem cells, fruit flies, and zebrafish look like under a microscope?

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

Observe the effects of special relativity as you travel near the speed of light.

Discover secret colors hidden in a black marker!

For accuracy, it's best to use both a candy thermometer and the cold water test when making candy.

This is an easy grafting project for beginners.

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

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

Explore the surprising side of color.

Take a microscopic tour of the staff of life.

Do hot water and cold water mix?

The nearly ice-free Dry Valleys are an Antarctic anomaly, and Earth's closest equivalent to Mars.

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

Experiment with rhythm through stepping, a musical dance form that uses the body as a percussion instrument.

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

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

How are creative investigations sparked? What does a state of inspiration feel like? Can inspiration be transmitted from person to person? Join us for an audio slideshow series that explores the fascinating world of how we work creatively.

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

The lure of Terra Australis Incognita begins with the Ancient Greeks and ends with modern cruise ships.

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

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

Where do all the different languages in the world come from?

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

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

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

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

The Instruments Aboard the Mars Exploration Rover

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

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

San Francisco was born in gold dust, and nearly died in rubble and ashes.

Hold a paper airplane contest and discover which plane flies the best.

What does it take to block gamma radiation?

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

Take a peek at the colorful world of plant sex.

What do you really know about what you see?

Do hot water and cold water mix?

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

Measure your reaction time with just a meter stick and some help from a friend.

A window on regeneration

Learn how living things get energy from dead ones in this interactive exhibit.

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