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NOVA

S41 Ep5: Great Cathedral Mystery

Video duration: 52:37Expires: 12/31/15Video has closed captioning.

Master craftsmen explore how Florence’s monumental dome was built nearly 600 years ago.

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Physics of Stone Arches

Physics of Stone Arches

See if you can build a cathedral arch without it collapsing, and learn more about the forces at work.

Mystery of Easter Island

Mystery of Easter Island

A team of scientists and volunteers test a theory on how the ancient stone statues were moved, using a 15-t...

Episodes of NOVA46

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

Video thumbnail: NOVA Treasures of the Earth: Metals

NOVA

Treasures of the Earth: Metals

What is it about the nature of metals that have made them a pillar of human civilization?

53:40

Treasures of the Earth: Metals

53:40

Video thumbnail: NOVA Treasures of the Earth: Gems

NOVA

Treasures of the Earth: Gems

What processes in the depths of the Earth forge beautiful and precious stones?

53:40

Treasures of the Earth: Gems

53:40

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Clips of NOVA251

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

Video thumbnail: NOVA Holocaust Survival Tale: Haim

NOVA

Holocaust Survival Tale: Haim

Zalman Matzkin narrowly escaped the Holocaust in Lithuania, managing to build a new life.

6:34

Holocaust Survival Tale: Haim

6:34

Video thumbnail: NOVA Holocaust Survival Tale: Hana

NOVA

Holocaust Survival Tale: Hana

Hana Amir describes her father escaping the Holocaust through a tunnel he helped to dig.

7:50

Holocaust Survival Tale: Hana

7:50

Video thumbnail: NOVA Saving Jewish History

NOVA

Saving Jewish History

Jewish scholars in Lithuania risked death in WWII to save their literature from the Nazis.

5:21

Saving Jewish History

5:21

Video thumbnail: NOVA S44 Ep5: Nuestro Mundo de Origami

NOVA

S44 Ep5: Nuestro Mundo de Origami

La biologia y el mundo físico al nuestro alrededor parecen estar gobernados por origami.

1:54

S44 Ep5: Nuestro Mundo de Origami

1:54

Video thumbnail: NOVA S44 Ep3: The Battery That Won't Explode

NOVA

S44 Ep3: The Battery That Won't Explode

Mike Zimmerman’s battery endures abuse at the hands of David Pogue.

2:06

S44 Ep3: The Battery That Won't Explode

2:06

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Previews of NOVA190

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

Video thumbnail: NOVA S44: Building Chernobyl's MegaTomb

NOVA

S44: Building Chernobyl's MegaTomb

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

0:30

S44: Building Chernobyl's MegaTomb

0:30

Video thumbnail: NOVA S44: Holocaust Escape Tunnel Preview 1

NOVA

S44: Holocaust Escape Tunnel Preview 1

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

0:30

S44: Holocaust Escape Tunnel Preview 1

0:30

See All Previews