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NOVA

Mystery of Easter Island

Video duration: 53:10Expires: 12/31/15Video has closed captioning.

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

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Pioneers of Easter Island

Pioneers of Easter Island

Most scholars agree the first Easter Islanders were Polynesian, but how to explain the sweet potato and Inc...

The Fate of Easter Island

The Fate of Easter Island

Should what happened on one small island in the South Pacific serve as a cautionary tale for the world as a...

Secrets of Stonehenge

Secrets of Stonehenge

New archeological finds shed light on the most misunderstood monument of the ancient world.

Episodes of NOVA41

Video thumbnail: NOVA Bombing Hitler's Supergun

NOVA

Bombing Hitler's Supergun

Discover how Allied forces conspired to destroy one of Hitler’s most diabolical weapons.

52:51

Bombing Hitler's Supergun

52:51

Video thumbnail: NOVA Operation Lighthouse Rescue

NOVA

Operation Lighthouse Rescue

Join engineers as they race to rescue a historic lighthouse from certain doom.

52:52

Operation Lighthouse Rescue

52:52

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 Judgment Day: Intelligent Design on Trial

NOVA

Judgment Day: Intelligent Design on Trial

Science is "exhibit A" in a landmark trial on the teaching of evolution.

1:52:21

Judgment Day: Intelligent Design on Trial

1:52:21

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Clips of NOVA192

Video thumbnail: NOVA 3 Things "Faster Than Light"

NOVA

3 Things "Faster Than Light"

These three things have been said to go faster than light, but do they?

3:49

3 Things "Faster Than Light"

3:49

Video thumbnail: NOVA The Physics Behind Texting

NOVA

The Physics Behind Texting

When you send a text, how does your message make the journey to your friend’s phone?

3:37

The Physics Behind Texting

3:37

Video thumbnail: NOVA Saving the Montauk Lighthouse

NOVA

Saving the Montauk Lighthouse

A unique method to fight erosion saved the Montauk Point Lighthouse from disaster.

2:51

Saving the Montauk Lighthouse

2:51

Video thumbnail: NOVA Saving the Montauk Lighthouse

NOVA

Saving the Montauk Lighthouse

A unique method to fight erosion saved the Montauk Point Lighthouse from disaster.

2:51

Saving the Montauk Lighthouse

2:51

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

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Previews of NOVA156

Video thumbnail: NOVA Bombing Hitler's Supergun Preview

NOVA

Bombing Hitler's Supergun Preview

Discover how Allied forces conspired to destroy one of Hitler’s most diabolical weapons.

0:30

Bombing Hitler's Supergun Preview

0:30

Video thumbnail: NOVA Operation Lighthouse Rescue Preview

NOVA

Operation Lighthouse Rescue Preview

Join engineers as they race to rescue a historic lighthouse from certain doom.

0:30

Operation Lighthouse Rescue Preview

0:30

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

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