Learn with us online while the Exploratorium is temporarily closed. You can help us reopen—donate today.

Anatomy and Physiology

Examine the baby plants inside the seeds we eat.

Create a sound system for music only you can hear.

Discover how antibodies launch attacks on invaders.

Explore the body’s first line of defense against pathogens.

How much does DNA affect your appearance?

El Dr. Paul Doherty demuestra por qué no se debe mirar directamente al sol.

Watch the life of a plant embryo unfold.

Control the (apparent) size of a hole with your brain.

Our bodies contain 30 trillion microbes, a microbiome that seems essential for our well-being.

Explainers do light and sound demonstrations.

Cheer on the competitors in this zany science cook-off.

Pages