Extras

Video thumbnail: NOVA Asteroids Provide Hints About the "Ingredients" in Planets

NOVA

Asteroids Provide Hints About the "Ingredients" in Planets

By studying asteroids, researchers can learn about the formation of planets.

Asteroids Provide Hints About the "Ingredients" in Planets

Video thumbnail: NOVA Nature's Fear Factor Preview

NOVA

Nature's Fear Factor Preview

Can bringing predators—and fear—back into an ecosystem help restore its natural balance?

Nature's Fear Factor Preview

Video thumbnail: NOVA Meet Gorongosa National Park’s Head Veterinarian

NOVA

Meet Gorongosa National Park’s Head Veterinarian

Hear what it’s like to be a vet for wild animals.

Meet Gorongosa National Park’s Head Veterinarian

Video thumbnail: NOVA Lions Return to Mozambique's Gorongosa National Park

NOVA

Lions Return to Mozambique's Gorongosa National Park

Gorongosa National Park was once one of the most species-rich places in Africa.

Lions Return to Mozambique's Gorongosa National Park

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 How Medieval Parchment is Made

NOVA

How Medieval Parchment is Made

Learn about the preparation and use of parchment paper in medieval Europe.

How Medieval Parchment is Made

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 How Egyptian Hieroglyphs Influenced Modern Alphabets

NOVA

How Egyptian Hieroglyphs Influenced Modern Alphabets

Learn why Egyptian hieroglyphs are hiding in modern alphabets—and how to find them.

How Egyptian Hieroglyphs Influenced Modern Alphabets

Video thumbnail: NOVA Aboriginal Elder Sings Ancient Creation Song

NOVA

Aboriginal Elder Sings Ancient Creation Song

In the Wardaman Creation Story, all the plants and animals of the world were once people.

Aboriginal Elder Sings Ancient Creation Song

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 The Great Australian Slime Mold Bakeoff

NOVA

The Great Australian Slime Mold Bakeoff

The purpose of this experiment was to see how Physarum regulates its nutritional needs.

The Great Australian Slime Mold Bakeoff

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 Touching the Asteroid Promo

NOVA

Touching the Asteroid Promo

Spacecraft OSIRIS-REx attempts to grab a piece of an asteroid to bring it back to Earth.

Touching the Asteroid Promo

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 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 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 Watch Baby Eagles Hatch and Grow

NOVA

Watch Baby Eagles Hatch and Grow

It takes 37 days for eagle eggs to incubate.

Watch Baby Eagles Hatch and Grow

Video thumbnail: NOVA How Sharp are an Eagle's Eyes?

NOVA

How Sharp are an Eagle's Eyes?

Learn why eagles have the sharpest eyesight of any vertebrate animal.

How Sharp are an Eagle's Eyes?

Video thumbnail: NOVA Eagle Power Preview

NOVA

Eagle Power Preview

Follow eagles from the nest to the skies to see what makes these predators so remarkable.

Eagle Power Preview

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 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 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