Low-cost, teacher-tested activities for the classroom and the curious.
Science of Cooking • Explore the science behind food and cooking with recipes, activities, and Webcasts.
Spin the bottle to see beautiful swirling shapes
Learn about the body's vital defense force.
Discover the secret colors hidden in black ink. With a paper towel, a black marker, and a cup of water, create a rainbow of colors while exploring capillary action and chromatography.
Search a geological map of Ethiopia for fossils.
What is a gear ratio? And how do gears help make the bicycle so efficient?
Can you tell the difference between human and nonhuman embryos?
If you stare at this dot, for few moments it disappears.
Pier 15 (Embarcadero at Green Street)San Francisco, CA 94111(415) 528-4444
More Contact Info
Sign up for our newsletter