Pier 15 (Embarcadero at Green Street) San Francisco, CA 94111 415.528.4444 Contact Us ...

In order to create a shadow, you need three things: light, something blocking the light, and a surface for the shadow to fall on. A shadow is an area where light is being blocked. You see your shadow ...

Pier 15 (Embarcadero at Green Street) San Francisco, CA 94111 415.528.4444 Contact Us ...

Pier 15 (Embarcadero at Green Street) San Francisco, CA 94111 415.528.4444 Contact Us ...

We have been prototyping a new automata activity called “Cranky Contraptions” using simple materials such as wooden blocks, wire, and foamies. Now that it’s been about a month that we have been ...

Join us for Storytime Science—a storybook read aloud followed by a simple related science activity geared toward very young children. This month, Exploratorium staffer and children's literature ...

Illustrations by Ray Larsen Our social lives are filled with ritualistic touching: from hugs to high fives to pinky-swears. These acts of interpersonal contact create feelings of connection between ...

What do plants know about numbers? A certain spiral pattern commonly seen in sunflowers, pinecones, and many species of cacti contains some surprising numerical properties. In this brisk talk, Paul ...

In an extraordinary mission to rescue 16 kidnapped soldiers, the Colombian army turned to pop music to send the hostages a secret message.

Fireworks may be a really fun way to celebrate the Fourth of July, but we know they are more than a little dangerous. The solution? Grab a friend and make your own liquid fireworks with this simple ...

Pier 15 (Embarcadero at Green Street) San Francisco, CA 94111 415.528.4444 Contact Us ...

Can you smell time? Your dog can. On a very basic level, so can you: When you crack the lid on that old quart of milk, tentatively sniff and—peeyouu!—promptly dump that foul stuff down the sink, you ...