Make your own miniature "Lava Lite."
Music, fear, sadness all can cause goosebumps. But why?
See for yourself how the tilt of the earth's axis results in what we experience as the seasons.
Is there life on Mars? Our best evidence so far is a baked-potato-sized chunk of rock found in Antarctica.
Take an animated tour of Antarctica's variety of ice formations, which give it a beauty unrivaled anywhere on Earth.
Interact with the Cafe Wall Illusion.
Stand outside on a sunny day with a watch in your hand, and you can tell which way is north.
Investigate the factors that make animals, faces, and even objects cute – or not.
When you pick up a baseball, it immediately suggests its purpose: to be thrown fast and with considerable accuracy.
Launch a rocket with a plastic pop bottle and use Height Site to figure out how high it flies.
Pier 15 (Embarcadero at Green Street)San Francisco, CA 94111(415) 528-4444
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