Masks and vaccinations are recommended. Plan your visit
Search a geological map of Ethiopia for fossils.
The fruit flies in this exhibit show just a few of the mutations that occur in natural fruit fly populations.
Can you tell the difference between human and nonhuman embryos?
This ancient temple holds a secret...can you reveal the mystery?
Leonardo's famous painting is used in an interesting perceptual experiment.
Sometimes things are not as they appear.
Your eye movements make this design seem to shimmer.
Four exhibits small enough to fit on postcards.
If you stare at this dot, for few moments it disappears.
You can mix just three colors of light to make over 16 million different colors!
Listen to the story of Ladle Rat Rotten Hut.
Learn the science behind bad hair days, and learn how hair increases its length when humidity increases, making curly hair frizz and straight hair go limp.
This new version of an old game will bend your brain.
Your brain is always looking for blank spaces and filling them in. Sometimes, your brain leaps to the wrong conclusion. Then you get a surprise!
Playing games is a great way to exercise your brain. Even a simple game like Tic-Tac-Toe can teach you about strategy.
Ever notice how noisy people are?
Make yourself giant or tiny with a snip of the scissors.
Bring movie, TV, and cartoon images to life.
See how TV screens create images from many tiny colored dots of light.
These tricky pictures shift and change as you look at them.
Make your own refracting telescope from a pair of reading glasses.
Sometimes we can learn about outer space when space objects come to us.
Examine words from different languages and determine which two languages are the most closely related.
Learn how to find the histories and origins of words.
Where do all the different languages in the world come from?
Download a PDF file with step-by-step instructions for doing your own cow's eye dissection.
Find out how your eyes work and watch a real dissection of a cow's eye.
Explore the strangest of strange attractors, the Lorenz butterfly.
San Francisco was born in gold dust, and nearly died in rubble and ashes.
Sperimenta interattivamente l'illusione del muro del caffé.
(Embarcadero at Green Street)
San Francisco, CA 94111
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