
Muddy Waters
by Eileen Campbell • February 15, 2017
Winter rains muddy the waters in the Bay.
Masks are required for all visitors 2+. Vaccines recommended. Plan your visit
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Using a spectroscope, you may see that what appears to be a single color of light is really a combination of colors called a spectrum.
Saving seeds helps preserve the culture of Native American farmers in the American Southwest and northern Mexico.
See a map of recent earthquakes in the United States, and learn why earthquakes happen so frequently on the West Coast.
What goes on under the ground during an earthquake? Use a Slinky to model the various seismic waves that make the earth tremble.
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.
The Exploratorium wasn't built in a day—watch it go up in a minute.
A naked egg is an egg without a shell. Using vinegar, you can dissolve the eggshell without breaking the membrane that contains the egg.
Get to know the early electronic instrument the ondes Martenot.
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.
Explore the creative process behind Theo Jansen's extraordinary strandbeests.
Get messy with ExploraGoo and Outrageous Ooze! Get airborne with the Fabulous Foam Flyer! Get loud with the Water Gong or Straw Oboe!
A multifaceted exhibition that explored genetics and the Human Genome Project from a variety of perspectives from April 8 to September 4, 1995.
Learn about the rovers that have been exploring Mars since 2004, and view the amazing images they've taken.
Listen to bird songs and try to figure out which are songs, which are companion calls, and which are alarms.
Follow our crew as they visit the Dry Valleys and hike the slopes of volcanic Mt. Erebus.
anatomy of a skateboard, skateboard tricks, types of skateboarding, physics glossary.
The more astronomy changes, the more it stays the same. This series of images juxtaposes ancient and modern study of the celestial bodies.
Walk the border with Guillermo Galindo's boundary-breaking artistic work.
What happens to sandy or fine-grained soils when an earthquake shakes them up? Try this simple activity to find out.
Visit Las Cuevas Research Station in Belize and the Natural History Museum in London to learn about the study of biodiversity.