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NOVA

CHNOPS: Ingredients for Life

Video duration: 2:36

The basic building blocks for life are made of just six elements.

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NOVA Elements iPad App

NOVA Elements iPad App

Explore an interactive periodic table, combine elements to make real stuff, and watch the two-hour NOVA pro...

Making Chemicals Naturally

Making Chemicals Naturally

A pioneer in the field of green chemistry explains how copying Nature’s methods to make chemicals is safer ...

Elements in the Ocean

Elements in the Ocean

Marine geochemist Catherine Jeandel has bottled the world’s oceans to decipher their past—and future.

Name That Element!

Name That Element!

Think you know the periodic table? See how quickly you can name the mystery elements we describe.

Episodes of NOVA44

Video thumbnail: NOVA S44 Ep9: Chinese Chariot Revealed

NOVA

S44 Ep9: Chinese Chariot Revealed

A team of experts rebuild an ancient battle chariot to help uncover its design secrets.

53:46

S44 Ep9: Chinese Chariot Revealed

53:46

Video thumbnail: NOVA S44 Ep8: Building Chernobyl's MegaTomb

NOVA

S44 Ep8: Building Chernobyl's MegaTomb

Engineers race to build a massive dome to contain the crumbling remains of the reactor.

52:55

S44 Ep8: Building Chernobyl's MegaTomb

52:55

Video thumbnail: NOVA S44 Ep7: Holocaust Escape Tunnel

NOVA

S44 Ep7: Holocaust Escape Tunnel

At ground zero for the final solution, scientists uncover a story of hope and bravery.

54:14

S44 Ep7: Holocaust Escape Tunnel

54:14

Video thumbnail: NOVA Treasures of the Earth: Power

NOVA

Treasures of the Earth: Power

Drill underground to see the treasures that power our world—today and into the future.

53:10

Treasures of the Earth: Power

53:10

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Clips of NOVA231

Video thumbnail: NOVA WannaCry Cyberattack Explained

NOVA

WannaCry Cyberattack Explained

The WannaCry cyberattack cost the economy billions of dollars. Here's why that's scary.

1:56

WannaCry Cyberattack Explained

1:56

Video thumbnail: NOVA Meet the Gastric-Brooding Frog

NOVA

Meet the Gastric-Brooding Frog

These frogs barfed up their babies—and now scientists are trying to revive them.

5:29

Meet the Gastric-Brooding Frog

5:29

Video thumbnail: NOVA Poisoned Water Q&A with Scientists and Filmmakers

NOVA

Poisoned Water Q&A with Scientists and Filmmakers

What exactly went wrong in Flint—and what does it mean for the rest of the country?

2:00

Poisoned Water Q&A with Scientists and Filmmakers

2:00

Video thumbnail: NOVA Should You Wash Your Hands?

NOVA

Should You Wash Your Hands?

What do we really mean when we say that we’re clean?

4:40

Should You Wash Your Hands?

4:40

Video thumbnail: NOVA Front Row Seat to Saturn

NOVA

Front Row Seat to Saturn

Out near Saturn, the spacecraft Cassini has just entered its final and riskiest chapter.

2:39

Front Row Seat to Saturn

2:39

Video thumbnail: NOVA Holocaust Escape Tunnel Prologue

NOVA

Holocaust Escape Tunnel Prologue

In a forest in Lithuania, a team of scientists searches for traces of a vanished people.

2:03

Holocaust Escape Tunnel Prologue

2:03

Video thumbnail: NOVA Holocaust Survival Tale: Abe

NOVA

Holocaust Survival Tale: Abe

In Lithuania during WWII, Abe Gol’s father led Jewish prisoners in a tunnel escape.

7:22

Holocaust Survival Tale: Abe

7:22

Video thumbnail: NOVA Holocaust Survival Tale: Esia

NOVA

Holocaust Survival Tale: Esia

Esia Friedman tells the story of how her family made it through the Holocaust alive.

6:21

Holocaust Survival Tale: Esia

6:21

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Previews of NOVA176

Video thumbnail: NOVA S44 Ep9: Chinese Chariot Revealed Preview

NOVA

S44 Ep9: Chinese Chariot Revealed Preview

A team of experts rebuild an ancient battle chariot to help uncover its design secrets.

0:30

S44 Ep9: Chinese Chariot Revealed Preview

0:30

Video thumbnail: NOVA S44 Ep10: Poisoned Water Preview

NOVA

S44 Ep10: Poisoned Water Preview

What exactly went wrong in Flint—and what does it mean for the rest of the country?

0:30

S44 Ep10: Poisoned Water Preview

0:30

Video thumbnail: NOVA Holocaust Escape Tunnel Q&A with Historians and Filmmakers

NOVA

Holocaust Escape Tunnel Q&A with Historians and Filmmakers

At ground zero for the final solution, scientists uncover a story of hope and bravery.

2:00

Holocaust Escape Tunnel Q&A with Historians and Filmmakers

2:00

Video thumbnail: NOVA Holocaust Escape Tunnel Preview 2

NOVA

Holocaust Escape Tunnel Preview 2

At ground zero for the final solution, scientists uncover a story of hope and bravery.

0:30

Holocaust Escape Tunnel Preview 2

0:30

See All Previews