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

What's in that cup of coffee anyway? Find out about the history and chemistry of coffee.

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

Explore the surprising side of sound

What happens to meat when you cook it?

The brightest buds get all the glory – but they're not just for show.

Discover the uncommon stories behind the most common fruits and vegetables.

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

Do hot water and cold water mix?

Using baking soda and vinegar, you can pop a plastic bag with the power of fizz.

Learn about the rovers that have been exploring Mars since 2004, and view the amazing images they've taken.

Where do all the different languages in the world come from?

Make an observatory to see the amazing colors in bubbles!

When you ride a bike in a straight line, you must make many minor corrections in order to stay upright.

The Science of Hockey takes you inside the sport and explains the science behind the world's fastest game. The site contains RealVideo interviews with scientists and NHL players and coaches.

What are the best materials for frames? What are the best designs?

Watch Venus travel in front of the sun. 

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

Explore the ideas behind Science of Sharing with these Activities.

Take a peek at the colorful world of plant sex.

Listen to bird songs and try to figure out which are songs, which are companion calls, and which are alarms.

Rub a balloon on your head, then watch a soda can race across the floor!

Journey into Chaco Canyon, where ancient people built monuments to the cosmos. Journey to Chichén Itzá, where the Maya built monuments to the sun.

Grow marshmallows to monstrous proportions!

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

A multifaceted exhibition that explored genetics and the Human Genome Project from a variety of perspectives from April 8 to September 4, 1995.

Why do road bikes have thin tires, while mountain bikes have fat tires?

They're a menace to ships, but life thrives in these frozen oases.

Activities and workshops for playful invention, investigation, and collaboration

Visit the European Organization for Nuclear Research, known as CERN, which studies what the universe is made of and how the universe works.

You can measure your reaction time with just a yardstick and some help from a friend.

Find out why biodiversity benefits plants and people alike.

What's the quietest sound you can find – and how can you find it? Download listening tips.

Nobel Laureate Symposium

Bubbles are round when they float free through air. But what happens when you pack bubbles together?

Your guide to the Northern and Southern Lights (also in 'Observatory')

Your thumb and index finger can help you test a steak's degree of doneness.

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

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

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