Masks and vaccinations are recommended. Plan your visit
Learn to count like the Maya by studying one of their ancient stone documents.
Did you know the Maya used two calendars? How did they know when to plan their big New Year's parties?
Why is your shadow longer in winter than in summer? Grab a basketball and some paperclips and find out!
Try your hand at explaining symbols both modern and ancient, and then make your own.
See for yourself how the tilt of the earth's axis results in what we experience as the seasons.
Stand outside on a sunny day with a watch in your hand, and you can tell which way is north.
Make a spinning disc called a stroboscope, which lets you create your own animated cartoon.
Staff member Vivian Altmann presents the "Snack" Water-Bottle Membranophone." Make some noise with simple materials.
The more astronomy changes, the more it stays the same. This series of images juxtaposes ancient and modern study of the celestial bodies.
Learn how grafting, hybridizing, and transgenics have transformed cultivation.
Our reactions may be trained, but the devices that make music sound "sad" are real enough.
Most people abhor the sound of their own recorded voice. So what are these recording devices doing to our voices to make them sound so awful?
Why do I hear the bass from my neighbor's stereo, but not the treble?
Meet the competitors and their humongous pumpkins at Half Moon Bay's Great Pumpkin Festival.
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Bubbles are round when they float free through air. But what happens when you pack bubbles together?