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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 TV 26 Logo

Wed., February 22, 2017
9:00 pm
(60 minutes)

Why Trains Crash  

An examination of train accidents. Included: investigators probe the wreckage of infamous accidents; and safety experts test crash-prevention designs.

WETA HD Logo

Wed., February 22, 2017
9:00 pm
(60 minutes)

Why Trains Crash  

An examination of train accidents. Included: investigators probe the wreckage of infamous accidents; and safety experts test crash-prevention designs.

WETA HD Logo

Thu., February 23, 2017
7:00 am
(60 minutes)

Why Trains Crash  

An examination of train accidents. Included: investigators probe the wreckage of infamous accidents; and safety experts test crash-prevention designs.

WETA HD Logo

Thu., February 23, 2017
10:00 am
(60 minutes)

Why Trains Crash  

An examination of train accidents. Included: investigators probe the wreckage of infamous accidents; and safety experts test crash-prevention designs.

WETA TV 26 Logo

Thu., February 23, 2017
2:00 pm
(60 minutes)

Why Trains Crash  

An examination of train accidents. Included: investigators probe the wreckage of infamous accidents; and safety experts test crash-prevention designs.

WETA HD Logo

Thu., February 23, 2017
2:00 pm
(60 minutes)

Why Trains Crash  

An examination of train accidents. Included: investigators probe the wreckage of infamous accidents; and safety experts test crash-prevention designs.

WETA TV 26 Logo

Fri., February 24, 2017
1:30 am
(60 minutes)

Why Trains Crash  

An examination of train accidents. Included: investigators probe the wreckage of infamous accidents; and safety experts test crash-prevention designs.

WETA HD Logo

Fri., February 24, 2017
1:30 am
(60 minutes)

Why Trains Crash  

An examination of train accidents. Included: investigators probe the wreckage of infamous accidents; and safety experts test crash-prevention designs.

WETA TV 26 Logo

Sat., February 25, 2017
5:00 am
(60 minutes)

Why Trains Crash  

An examination of train accidents. Included: investigators probe the wreckage of infamous accidents; and safety experts test crash-prevention designs.

WETA HD Logo

Sat., February 25, 2017
5:00 am
(60 minutes)

Why Trains Crash  

An examination of train accidents. Included: investigators probe the wreckage of infamous accidents; and safety experts test crash-prevention designs.

WETA HD Logo

Sat., February 25, 2017
5:00 pm
(60 minutes)

Why Trains Crash  

An examination of train accidents. Included: investigators probe the wreckage of infamous accidents; and safety experts test crash-prevention designs.

Full Episodes

The Origami Revolution

The Origami Revolution

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

Ultimate Cruise Ship

Ultimate Cruise Ship

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

Search for the Super Battery

Search for the Super Battery

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

The Nuclear Option

WETA PassportThe Nuclear Option

How will we power the planet without wrecking the climate?

Clips

Our Origami World

Our Origami World

Biology and the physical world around us appear to be governed by origami-like patterns.

Is Fear Contagious

Is Fear Contagious

Fear may be able to spread from person to person—just like a virus.

Scientists Walking Confidently

Scientists Walking Confidently

NOVA has stood for science since 1974, bringing remarkable discoveries to TV and beyond.

Snot 101

Snot 101

Here's everything you didn't want to know about snot.

Previews

Why Trains Crash Preview

Why Trains Crash Preview

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

The Origami Revolution Preview

The Origami Revolution Preview

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