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Artbound

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Tending Nature

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Southland Sessions

Southland Sessions

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Earth Focus

Earth Focus

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Reporter Roundup

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Nova

Inside Einstein's Mind

Retrace Einstein's thought experiments as NOVA reveals the simple but powerful ideas that reshaped our understanding of gravity, illuminating the theory of general relativity-and Einstein's brilliance-as never before.

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Full Episodes
Season
The Cathedral of Notre Dame on fire, smoke enshrouding the areas around it. | From "NOVA: Saving Notre Dame"
Episode
53:47
Nova

S47 E8: Saving Notre Dame

When the Notre Dame cathedral caught fire in April 2019, Paris came perilously close to losing over 800 years of history. As engineers rebuild, researchers use cutting-edge technology to piece together what happened and restore the cathedral.
A portrait of a golden brown-feathered eagle. | "NOVA: Eagle Power"
Episode
53:40
Nova

S47 E7: Eagle Power

What makes eagles so remarkable? Researchers study one special bird, revealing her exceptional strength, eyesight and flying skills. Meanwhile, in-the-nest footage of a new bald eagle family captures the drama of chicks struggling to survive.
Two sumo wrestlers are posed to begin their match. | "NOVA: The Truth About Fat"
Episode
53:38
Nova

S47 E6: The Truth About Fat

Scientists are coming to understand fat as a system akin to an organ — one whose size may have more to do with biological processes than personal choices. Explore the mysteries of fat and its role in hormone production, hunger and even pregnancy.
A red convertible drives along a street in Cuba next to a body of water. | "NOVA: Cuba's Cancer Hope"
Episode
53:45
Nova

S47 E5: Cuba's Cancer Hope

When the U.S. trade embargo left Cuba isolated from medical resources, Cuban scientists developed their own biotech industry — and promising lung cancer vaccines. Can they now team up with U.S. partners to make the treatments available to all?
A woman sleeping. | From "NOVA: Mysteries of Sleep"
Episode
53:14
Nova

S47 E4: Mysteries of Sleep

From fruit flies to whales, virtually every animal sleeps. But why? Why do we need to spend nearly a third of our lives in such a vulnerable, defenseless state? Scientists are peering more deeply into the sleeping brain than ever before.
Close up picture of a cat's face. | From "NOVA: Cat Tales"
Episode
53:40
Nova

S47 E3: Cat Tales

They may have stolen many hearts-and the internet-but cats can be perplexing pets. As much cuddly and playful as they are aloof and uncaring, they've often raised the question: Did humans ever really domesticate felines?
Four dogs of different sizes sit side by side in a line. | From "Nova: Dog Tales"
Episode
54:11
Nova

S47 E2: Dog Tales

Dogs have long been dependable companions by our sides. But it wasn't always that way-and a look at their closest living relative, the wolf, makes it clear why.
Man looks out to an icy landscape from "NOVA: Polar Extremes."
Episode
1:53:06
Nova

S47 E1: Polar Extremes

Following a trail of fossils found in all the wrong places — beech trees in Antarctica, redwoods and hippo-like mammals in the Arctic — uncover the bizarre history of the poles, from miles-thick ice sheets to warm polar forests teeming with life.
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Episode
19:13
Nova

CRISPR Gene-Editing Reality Check

CRISPR gene-editing technology is advancing quickly. What can it do now—and in the future?
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Episode
53:17
Nova

Beyond the Elements: Life

Discover the fascinating chemistry that makes our world and everything in it—including us.
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