Animal Espionage

How do you study an animal you can't even get close to? Camera traps and drones are revolutionizing wildlife biology by recording the secret lives of animals—from whales and tigers to elusive giant armadillos—all without disturbing them.

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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Mysteries of Sleep

Why do we sleep? And what does sleep have to do with memory, trauma, and our emotions?

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Cat Tales

Goddess, demon, house pet? What does science say about the human relationship with cats?

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Dog Tales

Follow the epic journey of dog domestication and see what science says about dogs’ love.

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Polar Extremes

Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.