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

White-coated Arctic icons, these supreme hunters are under threat

Meet David Goodsell, a molecular biologist and artist who finds beauty in the molecules of cells.

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

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

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.

Learn about the body's vital defense force.

Use printable images from our time-lapse movies to make flipbooks–handheld animations that you can make at home.

Sit down for compost tea with a visionary cultivator.

Why do road bikes have thin tires, while mountain bikes have fat tires?

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

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.

How do different sounds combine to make the unique audio environments of specific places? Build the soundscapes of a beach and a train station.

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

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.

What happens to meat when you cook it?

Dig into the succulent science of making things grow.

Visit Las Cuevas Research Station in Belize and the Natural History Museum in London to learn about the study of biodiversity.

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

From May 20 to June 5 1997, we presented a webcast series exploring the art and science of severe storm visualization.

Pickling is the art of manipulating the microbial garden in foods.

How good is your friend's driving? You be the seismometer, and find out whether your pal is a smooth sailor or a mover and shaker.

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

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

Humpbacks, minkes, and orcas are often sighted in the nutrient-rich Antarctic waters.

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

Sit down for compost tea with a visionary cultivator.

About Anaglyphs. How do I make 3-D glasses?

High energy prices got you down? Discover how pickles can ease your troubles.

Artist Bob Miller's Light Walk at the Exploratorium will change the way you look at light, shadow, and images.

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.

Teeth are the most common fossils found. What can they tell us?

Touch supercooled water drops with an ice crystal and trigger them to freeze instantly.

Make your own miniature "Lava Lite."

Learn how changes in genes over generations created the modern goldfish.

Explore the science behind food and cooking with recipes, activities, and archived Webcasts.

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

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

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

Why do road bikes have thin tires, while mountain bikes have fat tires?

Want to understand how to predict when the good waves are coming to your shore? It helps to start with the basics behind the formation of ocean waves.