Extras

Video thumbnail: NOVA Signs of Life Found on Venus

NOVA

Signs of Life Found on Venus

Could this mean there's life in our planetary neighbor's clouds?

Signs of Life Found on Venus

Video thumbnail: NOVA The Joys and Challenges of Birding While Black

NOVA

The Joys and Challenges of Birding While Black

A need for inclusion in outdoor spaces remains, Christian Cooper explains.

The Joys and Challenges of Birding While Black

Video thumbnail: NOVA Losing a Loved One to Early Onset Alzheimer's

NOVA

Losing a Loved One to Early Onset Alzheimer's

See how Alzheimer's develops and spreads throughout the brain.

Losing a Loved One to Early Onset Alzheimer's

Video thumbnail: NOVA How Communities Can Adapt to Climate Change

NOVA

How Communities Can Adapt to Climate Change

For many, the concept of “adapting” to climate change feels like admitting defeat.

How Communities Can Adapt to Climate Change

Video thumbnail: NOVA Can Geoengineering “Undo” Climate Change?

NOVA

Can Geoengineering “Undo” Climate Change?

There are ways to reverse some of the damage from our carbon dioxide emissions.

Can Geoengineering “Undo” Climate Change?

Video thumbnail: NOVA Cutting our Greenhouse Gas Emissions to Zero

NOVA

Cutting our Greenhouse Gas Emissions to Zero

Through “prevention,” humans can significantly cut greenhouse gas emissions.

Cutting our Greenhouse Gas Emissions to Zero

Video thumbnail: NOVA Three Solutions That Can Slow or Stop Climate Change

NOVA

Three Solutions That Can Slow or Stop Climate Change

Preventing, “undoing,” and adapting are 3 ways to avoid the worst climate change impacts.

Three Solutions That Can Slow or Stop Climate Change

Video thumbnail: NOVA A to Z: How Writing Changed the World Promo

NOVA

A to Z: How Writing Changed the World Promo

The creation of printing, the first information technology, drove empires and revolutions.

A to Z: How Writing Changed the World Promo

Video thumbnail: NOVA A to Z: The First Alphabet Preview

NOVA

A to Z: The First Alphabet Preview

The birth of writing and the first alphabet were among the world’s most vital inventions.

A to Z: The First Alphabet Preview

Video thumbnail: NOVA Secret Mind of Slime Preview

NOVA

Secret Mind of Slime Preview

Meet slime molds: the brainless blobs that can learn, make decisions, and navigate mazes.

Secret Mind of Slime Preview

Video thumbnail: NOVA Brainless Slime Molds Navigate Mazes and Make Decisions

NOVA

Brainless Slime Molds Navigate Mazes and Make Decisions

Can a slime mold find food placed at the far end of a labyrinth?

Brainless Slime Molds Navigate Mazes and Make Decisions

Video thumbnail: NOVA Human Nature Sneak Peek

NOVA

Human Nature Sneak Peek

We can now edit the human genome with a tool called CRISPR. But how far should we go?

Human Nature Sneak Peek

Video thumbnail: NOVA Living with Sickle Cell Anemia

NOVA

Living with Sickle Cell Anemia

Sickle Cell Anemia is caused by a single change in the DNA sequence.

Living with Sickle Cell Anemia

Video thumbnail: NOVA Human Nature Preview

NOVA

Human Nature Preview

We can now edit the human genome with a tool called CRISPR. But how far should we go?

Human Nature Preview

Video thumbnail: NOVA The "Holy Grail of Yogurt" is CRISPR

NOVA

The "Holy Grail of Yogurt" is CRISPR

Five years before anybody was talking about CRISPR, Danisco had a breakthrough.

The "Holy Grail of Yogurt" is CRISPR

Video thumbnail: NOVA How CRISPR Works in Nature

NOVA

How CRISPR Works in Nature

CRISPR is part of bacteria's natural defense against viruses.

How CRISPR Works in Nature

Video thumbnail: NOVA Decoding COVID-19 Preview

NOVA

Decoding COVID-19 Preview

Scientists race to understand and defeat the coronavirus behind the COVID-19 pandemic.

Decoding COVID-19 Preview

Video thumbnail: NOVA How Wuhan is Using Digital Gatekeeping to Reopen

NOVA

How Wuhan is Using Digital Gatekeeping to Reopen

To reopen the city, Wuhan, China is using digital gatekeeping to contact trace. Here’s how

How Wuhan is Using Digital Gatekeeping to Reopen

Video thumbnail: NOVA When You Lose a Loved One to Coronavirus

NOVA

When You Lose a Loved One to Coronavirus

Hear George’s family recount his tragic story.

When You Lose a Loved One to Coronavirus

Video thumbnail: NOVA Why Antibody Tests Don’t Yet Reveal Coronavirus Immunity

NOVA

Why Antibody Tests Don’t Yet Reveal Coronavirus Immunity

Can an antibody blood test tell if you are immune to COVID-19?

Why Antibody Tests Don’t Yet Reveal Coronavirus Immunity

Video thumbnail: NOVA How Viruses Like the Novel Coronavirus Evolve

NOVA

How Viruses Like the Novel Coronavirus Evolve

The virus likely is not a new entity on Earth, but it is new in humans.

How Viruses Like the Novel Coronavirus Evolve

Video thumbnail: NOVA Can Scientists Use RNA to Create a Coronavirus Vaccine?

NOVA

Can Scientists Use RNA to Create a Coronavirus Vaccine?

The coronavirus has unleashed global havoc. Learn how scientists are hitting back.

Can Scientists Use RNA to Create a Coronavirus Vaccine?

Video thumbnail: NOVA How Coronavirus Tests Work

NOVA

How Coronavirus Tests Work

Learn the science behind the tests.

How Coronavirus Tests Work