Secret Mind of Slime

Scientists investigate the bizarre “intelligence” of slime molds, which appear to learn and make decisions—without a brain. These cunning, single-celled blobs can navigate mazes and create efficient networks. Can they also redefine cognition?

PBS’ premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA programs demystify science and technology and highlight the people involved in scientific pursuits.

NOVA Episodes

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Can We Cool the Planet?

Scientists look to geoengineering and other methods to cool the planet.

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Touching the Asteroid

Spacecraft OSIRIS-REx attempts to grab a piece of an asteroid to bring it back to Earth.

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A to Z: How Writing Changed the World

The creation of printing, the first information technology, drove empires and revolutions.

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A to Z: The First Alphabet

The birth of writing and the first alphabet were among the world’s most vital inventions.