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

Get messy with ExploraGoo and Outrageous Ooze! Get airborne with the Fabulous Foam Flyer! Get loud with the Water Gong or Straw Oboe!

What's in that cup of coffee anyway? Find out about the history and chemistry of coffee.

Follow our crew as they visit the Dry Valleys and hike the slopes of volcanic Mt. Erebus.

Discover how researchers study climate change and examine the latest scientific data.

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

This ancient temple holds a secret...can you reveal the mystery?

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

Explore our 2000 guide to the solar max, the period in the solar cycle during which the number of sunspots is greatest.

Listen in on conversations with Laurie Anderson, Brian Eno, and others in Speaking of Music Rewind.

Close your eyes – and open your ears.

Hear vocal tract models transform the squawk of a duck call into vowel sounds.

Tiny shrimplike crustaceans, krill play a critical roll in many marine food webs, even feeding huge baleen whales.

Find links relevant to research at the poles.

Get a lesson in listening from Doniga Markegard, an expert wildlife tracker.

Take a microscopic tour of the staff of life.

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.

Find out about bicycle brakes and balance, and calculate your stopping distance on a bicycle.

Grow spikes of crystals in the sun.

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

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

Make a photographic image without a camera!

Richter and beyond

Learn about the giants of the polar seas.

Learn how grafting, hybridizing, and transgenics have transformed cultivation.

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

Explore the important engineering concepts of yield strength, ultimate strength, and elasticity as they relate to building a better bicycle.

A rock-climbing physicist explores the mechanics of his hands.

Are you quick enough to hit a 90 mph fastball?

Explore mechanical elements such as cams, levers, and linkages to create your own moving sculpture.

Why is baseball so popular in Japan?

These unique – and uniquely beautiful – seal species spend their lives amid the sea ice

Explore cantilevers and other structures by building with skewers.