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

Make it grow . . . bigger, lusher, juicier.

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

Map sunspots and build an apparatus for safe sunspot viewing!

Learn how some vibrant seniors exercise their minds, and find out what you can do to help your own memory.

The untold stories behind scientific discovery.

Before there were clocks, people used shadows to tell time!

Use your naked egg to experiment with osmosis, the movement of water across a membrane.

Make your own miniature "Lava Lite."

Discover the difference between taste and smell.

"Mac Town," the first stop for many scientists in Antarctica, is the same as any town–only different.

Explore the surrounding sounds that everyday objects make. Build a noise contraption from these objects, then add a PicoCricket to automate your contraption. Finally, add a light sensor and program your sound automata to "play" when triggered by light.

Do hot water and cold water mix?

Explore an interactive map.

Does the sun rise in the east? Not exactly.

Amino acids and corn syrup combine to create new aromas.

This new version of an old game will bend your brain.

Explore the process of reconstructing a skull as a 3-D model.

On March 29, 2006, a total solar eclipse occurred when the new moon moved directly between the sun and the earth. The moon’s shadow fell on the eastern tip of Brazil, sped eastward across the Atlantic, through northern Africa, across the Mediterranean, an

The common ground between pickles, cheese, bread, wine, and many other foods.

Demonstrations of electric Robo-Cars made by 22 Science Summer students.

In the 1870s, an American woman could not vote. She could not own property in her own name after marriage. But she could play ball. . .

Join us as we crunch our way through everything from our San Francisco sourdough to Injera and Pugliese.

One man's journey into blindness

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

What happens to a cylinder when you scale it up?

How do scientists establish the age of artifacts, rocks, and settlements?

Professional development resources for teacher educators.

Explore the mysterious interactions between light and geography through the eyes and works of artists Charles Ross and James Turrell.

Summertime in the Arctic is for the birds

Learn about the body's vital defense force.

From May 20 to June 5 1997, we presented a webcast series exploring the art and science of severe storm visualization.

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

Try your hand at explaining symbols both modern and ancient, and then make your own.

Recycle a potato chip can into a simple camera.

A trash-filled median blossoms into a community oasis.

Find out why biodiversity benefits plants and people alike.

See astounding musical instruments made by Bart Hopkin

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

Find the answers to common Sport! Science questions.

A trash-filled median blossoms into a community oasis.

Visit Kendon Candies, a lollipop factory in San Jose, California