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

Why is the bicycle the most efficient way to travel? Explore bicycle science and culture.

Teeth are the most common fossils found. What can they tell us?

Make your own refracting telescope from a pair of reading glasses.

Looking at the night sky can help you see how your eyes and brain make sense out of moonlight.

Visit an organic egg farm, and see the science behind raising those eggs.

Saving seeds helps preserve the culture of Native American farmers in the American Southwest and northern Mexico.

With a lens, you can bend light to make pictures of the world.

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

Learn about the inner workings of a cell through this interactive exhibit.

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

Use the Science Journal mobile app to investigate the sound around you.

Explore gluten, the substance that gives bread its structure.

Find out how a cochlear implant helped one man regain the ability to listen.

See living stem cells and find out why they are the "stem" from which all other cells develop.

If you want to dig a ditch in the Arctic, you'd better bring more than a shovel.

Get a taste of how the earth's plates move.

Follow our crew as they visit the Dry Valleys and hike the slopes of volcanic Mt. Erebus.

In celebration of Albert Einstein's work in 1905, science laboratories and museum around the world (including the Exploratorium) participated in a twelve-hour webcast that explored Einstein's influence on current physics research.

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

Explore light, shadow, and motion using a variety of simple materials and light sources.

Hear audio clips of the ambient sounds of the rain forest at night near Arecibo, Puerto Rico.

What does it take to block gamma radiation?

Imaginative Designs in Digital and Analog Clothing

A do-it-yourself cartoon kit. It's easy to make pictures move!

Meet the competitors and their humongous pumpkins at Half Moon Bay's Great Pumpkin Festival.

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

Study ultraviolet radiation from the sun and other sources using UV beads.

What happens to meat when you cook it?

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

Make an observatory to see the amazing colors in bubbles!

Get a taste of how the earth's plates move.

A model for heart development

Crabeaters have extraordinary teeth, Weddells are downright cute, and leopards are as fierce as their namesake