The Exploratorium is temporarily closed. Explore our online resources for learning at home.
Discover how antibodies launch attacks on invaders.
Discover some big surprises in the microscopic world.
Explore the size and scale of microscopic biology.
Identical twins reveal how our surroundings affect who we are.
How much does DNA affect your appearance?
Watch a 3-D animation of a model cell crawling.
Get to know Exploratorium exhibit developer Denise King.
Learn about common electrical systems in our brains and fast-moving plants.
A touchscreen interface for a microscope helps visitors see like scientists.
Our bodies contain 30 trillion microbes, a microbiome that seems essential for our well-being.
Use your heart rate to drive the beating of human heart cells.
Explore ethical and philosophical questions about the first "immortal" cell line.
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