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NOVA

Growing Appetites, Limited Resources

2:21

The need for alternative energy sources is more pressing than ever.

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A Never Ending Supply

A Never Ending Supply

What makes an energy source renewable and how can we use them to power our societies?

Energy Defined

Energy Defined

What is energy and why are we on a never ending search for new energy sources?

Putting Energy to Use

Putting Energy to Use

Society has been revolutionized by our ability to convert energy from one form to another.

Episodes of NOVA41

Video thumbnail: NOVA Wild Ways

NOVA

Wild Ways

Explore how newly established wildlife corridors offer hope to endangered species.

53:22

Wild Ways

53:22

Video thumbnail: NOVA Can Alzheimer's Be Stopped?

NOVA

Can Alzheimer's Be Stopped?

Join investigators as they untangle the cause of Alzheimer’s and race to develop a cure.

52:51

Can Alzheimer's Be Stopped?

52:51

Video thumbnail: NOVA Vikings Unearthed

NOVA

Vikings Unearthed

Uncover the truth behind the legendary Vikings and their epic journey to the Americas.

1:52:52

Vikings Unearthed

1:52:52

Video thumbnail: NOVA Inside Einstein's Mind

NOVA

Inside Einstein's Mind

Retrace the thought experiments that inspired his theory on the nature of reality.

53:07

Inside Einstein's Mind

53:07

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Clips of NOVA188

Video thumbnail: NOVA Gravity Changes Colors

NOVA

Gravity Changes Colors

This ingenious experiment proves that gravity changes the color of light all around us.

2:42

Gravity Changes Colors

2:42

Video thumbnail: NOVA Alzheimer's Clinical Trials

NOVA

Alzheimer's Clinical Trials

Real patients and families describe what it's like being in an Alzheimer's clinical trial.

4:30

Alzheimer's Clinical Trials

4:30

Video thumbnail: NOVA Alzheimer's Other Victims

NOVA

Alzheimer's Other Victims

Family members describe what it's like to have a loved one with Alzheimer's.

3:49

Alzheimer's Other Victims

3:49

Video thumbnail: NOVA Alzheimer's Virus-Like Protein

NOVA

Alzheimer's Virus-Like Protein

Tangles of a protein called tau inside neurons may be the culprit behind Alzheimer’s.

4:13

Alzheimer's Virus-Like Protein

4:13

Video thumbnail: NOVA Inside the Mind of Alzheimer’s

NOVA

Inside the Mind of Alzheimer’s

Journalist Greg O'Brien gives a first-hand account of what it's like have Alzheimer's.

4:23

Inside the Mind of Alzheimer’s

4:23

Video thumbnail: NOVA Predicting Alzheimer’s

NOVA

Predicting Alzheimer’s

Certain gene forms increase your risk of developing Alzheimer's.

2:38

Predicting Alzheimer’s

2:38

Video thumbnail: NOVA David Lynch x Robots = A.I. Art

NOVA

David Lynch x Robots = A.I. Art

David Lynch puts a literal face on the oddest collection of little learning robots.

2:11

David Lynch x Robots = A.I. Art

2:11

Video thumbnail: NOVA Ötzi the Iceman's Ax

NOVA

Ötzi the Iceman's Ax

How did Ötzi the Iceman, who lived 5300 years ago, sharpen his ax?

1:48

Ötzi the Iceman's Ax

1:48

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Previews of NOVA154

Video thumbnail: NOVA Viking Unearthed Sneak Peek

NOVA

Viking Unearthed Sneak Peek

Uncover the truth behind the legendary Vikings and their epic journey to the Americas.

2:27

Viking Unearthed Sneak Peek

2:27

Video thumbnail: NOVA Vikings Unearthed Preview

NOVA

Vikings Unearthed Preview

Uncover the truth behind the legendary Vikings and their epic journey to the Americas.

0:30

Vikings Unearthed Preview

0:30

Video thumbnail: NOVA Wild Ways Preview

NOVA

Wild Ways Preview

Explore how newly established wildlife corridors offer hope to endangered species.

0:30

Wild Ways Preview

0:30

Video thumbnail: NOVA Can Alzheimer's Be Stopped? Preview

NOVA

Can Alzheimer's Be Stopped? Preview

Join investigators as they untangle the cause of Alzheimer’s and race to develop a cure.

0:30

Can Alzheimer's Be Stopped? Preview

0:30

See all