Learn with us online while the Exploratorium is temporarily closed. You can help us reopen—donate today.
A carbon dioxide–rich atmosphere changes the water beneath it.
See why ocean acidification is giving some marine organisms shell shock.
Construct a simple hydrometer to compare the densities of solutions.
Take an impressionistic journey through the Exploratorium's Life Sciences area.
Get to know Pier 15, one of the greenest buildings around.
The Exploratorium wasn't built in a day—watch it go up in a minute.
Use real data to learn about worldwide plankton populations.
Help prepare for sea level rise by documenting King Tides.
Check out efforts to restore California’s native steelhead and salmon.
Make a paper model that helps explain the changing tides.
It's not just the moon that causes ocean tides.
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.
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