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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
An illustration of the coronavirus. | "Nova: Decoding COVID-19"
Episode
53:38
Nova

S47 E9: Decoding COVID-19

The coronavirus SARS-CoV-2 has upended life as we know it in a matter of mere months. But at the same time, an unprecedented global effort to understand and contain the virus-and find a treatment for the disease it causes-is underway.
A graphic depicting wolf-like animals from Mozambique’s Gorongosa National Park. | From "NOVA: Nature's Fear Factor"
Episode
53:31
Nova

S47 E9: Nature's Fear Factor

When top predators disappeared from Mozambique's Gorongosa National Park, other animals fell into unusual patterns. Now scientists are reintroducing wild dogs to restore the park's "landscape of fear" and with it the natural balance of the ecosystem.
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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