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

A multifaceted exhibition that explored genetics and the Human Genome Project from a variety of perspectives from April 8 to September 4, 1995.

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

Join us as we investigate the sweet world of sugar.

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

Discover the difference between taste and smell.

These tricky pictures shift and change as you look at them.

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.

How many objects can you follow at once?

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

A trash-filled median blossoms into a community oasis.

Not all bubbles are made with soap!

Close your eyes – and open your ears.

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

Learn how to bridge the digital generation gap

What can you build with 50 straws and 50 pins?

An introduction to the concepts and theories that contribute to contemporary complexity research.

What's the difference between white meat and dark meat? Which animals have which and why?

What goes on under the ground during an earthquake? Use a Slinky to model the various seismic waves that make the earth tremble.

Learn about common techniques for peering inside the body in order to diagnose disease and injury.

Explore the places, people, tools, and ideas behind the origins of matter, the universe, and life itself.

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

Make an observatory to see the amazing colors in bubbles!

The more astronomy changes, the more it stays the same. This series of images juxtaposes ancient and modern study of the celestial bodies.

In 2009, the ECHO (Education through Cultural and Historical Organizations) Partners hosted a national symposium held at the Exploratorium to discuss the effects of climate change on the planet. You can watch archived webcasts of the symposium.

Learn about common techniques for peering inside the body in order to diagnose disease and injury.

Activities and History

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.

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

Decorate your white walls with rainbow colors!

Learn how Hubble Telescope scientists put together those lovely pictures.

Find out what's inside a floppy disk.

Produce some pretty mixed-up music with this online interactive.

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

Check out ColorFest, a two-month extravaganza celebrating color at the museum from July 1 to September 5.

Take an animated tour of Antarctica's variety of ice formations, which give it a beauty unrivaled anywhere on Earth.

Search a geological map of Ethiopia for fossils.

We Moved! Follow Us to San Francisco’s Historic Waterfront

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

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

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

The three most densely populated cities on the planet where seismologists expect major earthquakes are San Francisco, Tokyo, and Istanbul. Find out why the effects in each city will be very different.