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

Have you ever wondered what makes blue cheese blue, or why some cheeses are hard and others soft?

Grow marshmallows to monstrous proportions!

Spin the bottle to see beautiful swirling shapes

In an earthquake, some older structures collapse and others stand tall. The difference is usually retrofitting.

What brings archeologists and astronomers alike to this ten-mile canyon in remote New Mexico?

Scratch Film, also known as Direct Animation, is the process of drawing and scratching designs directly onto film.

Interact with the Cafe Wall Illusion.

Scratch Film, also known as Direct Animation, is the process of drawing and scratching designs directly onto film.

Make a crowd-pleasing noisemaker called a sound sandwich, which you can adjust to raise or lower its pitch.

Learn how you too can enjoy our activities in your kitchen, garage, classroom, and community.

Explore an interactive map.

Humpbacks, minkes, and orcas are often sighted in the nutrient-rich Antarctic waters.

Each webcast, the Exploratorium staff and teachers demonstrate their science projects and compete for the title of IRON SCIENCE TEACHER!

Take an animated tour of Antarctica's variety of ice formations, which give it a beauty unrivaled anywhere on Earth.

This series of activities explores those handiest of appendages, your hands.

Learn how changes in genes over generations created the modern goldfish.

Meteor, meteorite, meteoroid – what's the difference?

Experiment with water, temperature, and light to see what makes a seed come out of its shell.

Grow spikes of crystals in the sun.

A Scribbling Machine is a motorized contraption that moves in unusual ways and leaves a mark to trace it's path.

The untold stories behind scientific discovery.

This clay building activity shows that when you make things bigger, weight increases faster than strength.

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.

White-coated Arctic icons, these supreme hunters are under threat

Listen to the sound of a rainstorm – anytime, anywhere.

Here's how you can model the use of X rays for medical examinations with some sand and a piece of screen.

Explore the unknown world inside your brain with these fun activities.

Examine words from different languages and determine which two languages are the most closely related.

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

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

Explore webcasts, stories, dispatches, photos, and articles of total and annular solar eclipses and transits.

Use live data to make your own wave predictions, wherever you are.

Stories about science, art, and human perception—from 1998. 

How do different sounds combine to make the unique audio environments of specific places? Build the soundscapes of a beach and a train station.

Si mira fijamente este punto por algunos momentos, éste desaparece.