Proof of full COVID-19 vaccination is now required for all visitors ages
12+. Plan your visit
See shadowy shapes floating inside your own eye.
When can reading get in the way of speaking?
An animal that blends in with its environment is much easier to see when it's moving than when it's still.
A sweeping glance creates images that appear and disappear in the blink of an eye.
Can this artificial hand feel like part of your body?
Confusing sensory information can be profoundly disturbing.
As a task becomes more complex, it requires more mental effort—and that takes time.
Surround yourself in color—do you feel a shade different?
Do you dare drink from a toilet?
A cube made from drinking straws can confuse your brain.
Falling dominoes model signal transmission in a neuron.
How does solitary confinement affect the human brain?
(Embarcadero at Green Street)
San Francisco, CA 94111
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