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.
Journey into Chaco Canyon, where ancient people built monuments to the cosmos. Journey to Chichén Itzá, where the Maya built monuments to the sun.
Stand outside on a sunny day with a watch in your hand, and you can tell which way is north.
Most paper airplanes are flat, but these paper hoops can really fly!
Interact with the Cafe Wall Illusion.
Take a peek at the colorful world of plant sex.
Saving seeds helps preserve the culture of Native American farmers in the American Southwest and northern Mexico.
Are you quick enough to hit a 90 mph fastball?
Pier 15 (Embarcadero at Green Street)San Francisco, CA 94111(415) 528-4444
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