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NOVA

WETA TV26 and WETA HD: Wednesdays at 9:00 PM

PBS's premier science-documentary series, which has won six Peabody Awards and more than 20 Emmys since its 1974 debut.

WETA HD Logo

Fri., March 31, 2017
1:30 am
(60 minutes)

Secrets of the Viking Sword  

The secrets behind the design and construction of the Vikings' Ulfberht sword, which was made between A.D. 800-1000, are revealed by master blacksmith Ric Furrer, who reverse engineers the sturdy weapon in the Season 40 premiere. Experts have also wondered where the high-carbon steel used in the blade came from, given that it wasn't used elsewhere in Europe at the time. Clues unearthed from Viking graves, however, point to an answer: traders who ventured to Persia or Afghanistan.

WETA TV 26 Logo

Fri., March 31, 2017
1:30 am
(60 minutes)

Secrets of the Viking Sword  

The secrets behind the design and construction of the Vikings' Ulfberht sword, which was made between A.D. 800-1000, are revealed by master blacksmith Ric Furrer, who reverse engineers the sturdy weapon in the Season 40 premiere. Experts have also wondered where the high-carbon steel used in the blade came from, given that it wasn't used elsewhere in Europe at the time. Clues unearthed from Viking graves, however, point to an answer: traders who ventured to Persia or Afghanistan.

WETA HD Logo

Sat., April 1, 2017
5:00 pm
(60 minutes)

Secrets of the Viking Sword  

The secrets behind the design and construction of the Vikings' Ulfberht sword, which was made between A.D. 800-1000, are revealed by master blacksmith Ric Furrer, who reverse engineers the sturdy weapon in the Season 40 premiere. Experts have also wondered where the high-carbon steel used in the blade came from, given that it wasn't used elsewhere in Europe at the time. Clues unearthed from Viking graves, however, point to an answer: traders who ventured to Persia or Afghanistan.

WETA HD Logo

Sun., April 2, 2017
4:00 am
(60 minutes)

Secrets of the Viking Sword  

The secrets behind the design and construction of the Vikings' Ulfberht sword, which was made between A.D. 800-1000, are revealed by master blacksmith Ric Furrer, who reverse engineers the sturdy weapon in the Season 40 premiere. Experts have also wondered where the high-carbon steel used in the blade came from, given that it wasn't used elsewhere in Europe at the time. Clues unearthed from Viking graves, however, point to an answer: traders who ventured to Persia or Afghanistan.

WETA TV 26 Logo

Sun., April 2, 2017
4:00 am
(60 minutes)

Secrets of the Viking Sword  

The secrets behind the design and construction of the Vikings' Ulfberht sword, which was made between A.D. 800-1000, are revealed by master blacksmith Ric Furrer, who reverse engineers the sturdy weapon in the Season 40 premiere. Experts have also wondered where the high-carbon steel used in the blade came from, given that it wasn't used elsewhere in Europe at the time. Clues unearthed from Viking graves, however, point to an answer: traders who ventured to Persia or Afghanistan.

WETA HD Logo

Wed., April 5, 2017
9:00 pm
(60 minutes)

Himalayan Megaquake  

The earthquake that rocked Nepal in April 2015 is examined. Included: why it was so devastating; how the victims are rebuilding; and whether another earthquake is in the offing.

WETA TV 26 Logo

Wed., April 5, 2017
9:00 pm
(60 minutes)

Himalayan Megaquake  

The earthquake that rocked Nepal in April 2015 is examined. Included: why it was so devastating; how the victims are rebuilding; and whether another earthquake is in the offing.

WETA HD Logo

Thu., April 6, 2017
7:00 am
(60 minutes)

Himalayan Megaquake  

The earthquake that rocked Nepal in April 2015 is examined. Included: why it was so devastating; how the victims are rebuilding; and whether another earthquake is in the offing.

WETA HD Logo

Thu., April 6, 2017
10:00 am
(60 minutes)

Himalayan Megaquake  

The earthquake that rocked Nepal in April 2015 is examined. Included: why it was so devastating; how the victims are rebuilding; and whether another earthquake is in the offing.

WETA HD Logo

Thu., April 6, 2017
4:00 pm
(60 minutes)

Himalayan Megaquake  

The earthquake that rocked Nepal in April 2015 is examined. Included: why it was so devastating; how the victims are rebuilding; and whether another earthquake is in the offing.

WETA TV 26 Logo

Thu., April 6, 2017
4:00 pm
(60 minutes)

Himalayan Megaquake  

The earthquake that rocked Nepal in April 2015 is examined. Included: why it was so devastating; how the victims are rebuilding; and whether another earthquake is in the offing.

WETA HD Logo

Fri., April 7, 2017
1:30 am
(60 minutes)

Himalayan Megaquake  

The earthquake that rocked Nepal in April 2015 is examined. Included: why it was so devastating; how the victims are rebuilding; and whether another earthquake is in the offing.

WETA TV 26 Logo

Fri., April 7, 2017
1:30 am
(60 minutes)

Himalayan Megaquake  

The earthquake that rocked Nepal in April 2015 is examined. Included: why it was so devastating; how the victims are rebuilding; and whether another earthquake is in the offing.

WETA HD Logo

Fri., April 7, 2017
5:00 am
(60 minutes)

Himalayan Megaquake  

The earthquake that rocked Nepal in April 2015 is examined. Included: why it was so devastating; how the victims are rebuilding; and whether another earthquake is in the offing.

WETA HD Logo

Sat., April 8, 2017
5:00 pm
(60 minutes)

Himalayan Megaquake  

The earthquake that rocked Nepal in April 2015 is examined. Included: why it was so devastating; how the victims are rebuilding; and whether another earthquake is in the offing.

WETA HD Logo

Sun., April 9, 2017
4:00 am
(60 minutes)

Himalayan Megaquake  

The earthquake that rocked Nepal in April 2015 is examined. Included: why it was so devastating; how the victims are rebuilding; and whether another earthquake is in the offing.

WETA TV 26 Logo

Sun., April 9, 2017
4:00 am
(60 minutes)

Himalayan Megaquake  

The earthquake that rocked Nepal in April 2015 is examined. Included: why it was so devastating; how the victims are rebuilding; and whether another earthquake is in the offing.

Full Episodes

Why Trains Crash

WETA PassportWhy Trains Crash

Can new crash prevention technology help us avoid deadly train accidents?

The Origami Revolution

WETA PassportThe Origami Revolution

Engineers are using origami to design drugs, micro-robots, and future space missions.

Ultimate Cruise Ship

WETA PassportUltimate Cruise Ship

Join pioneering shipbuilders as they embark on a feat of maritime engineering.

Search for the Super Battery

WETA PassportSearch for the Super Battery

Explore the hidden world of energy storage and how it holds the keys to a greener future.

Clips

Holocaust Survival Tale: Hana

Holocaust Survival Tale: Hana

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

Holocaust Survival Tale: Haim

Holocaust Survival Tale: Haim

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

Holocaust Survival Tale: Abe

Holocaust Survival Tale: Abe

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

Holocaust Survival Tale: Esia

Holocaust Survival Tale: Esia

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

Previews

Holocaust Escape Tunnel PBS Preview

Holocaust Escape Tunnel PBS Preview

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

Building Chernobyl's MegaTomb

Building Chernobyl's MegaTomb

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