Extras

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

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 Saving Notre Dame Preview

NOVA

Saving Notre Dame Preview

Scientists and engineers fight to save Notre Dame Cathedral after the 2019 fire.

Saving Notre Dame Preview

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 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 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 the Hormone Leptin Helps Regulate Appetite

NOVA

How the Hormone Leptin Helps Regulate Appetite

The discovery of leptin transformed our view of fat.

How the Hormone Leptin Helps Regulate Appetite

Video thumbnail: NOVA The Truth About Fat Prologue

NOVA

The Truth About Fat Prologue

Could it be that body fat has more to do with biological processes than personal choices?

The Truth About Fat Prologue

Video thumbnail: NOVA How Do Sumo Wrestlers Avoid Obesity-Related Diseases?

NOVA

How Do Sumo Wrestlers Avoid Obesity-Related Diseases?

It has to do with where the fat is distributed in their bodies.

How Do Sumo Wrestlers Avoid Obesity-Related Diseases?

Video thumbnail: NOVA The Truth About Fat Preview

NOVA

The Truth About Fat Preview

Could it be that body fat has more to do with biological processes than personal choices?

The Truth About Fat Preview

Video thumbnail: NOVA Cuba's Cancer Hope Preview

NOVA

Cuba's Cancer Hope Preview

Can Cuba's innovative lung cancer vaccines give new hope to patients across the world?

Cuba's Cancer Hope Preview

Video thumbnail: NOVA How the Immune System Fights Cancer

NOVA

How the Immune System Fights Cancer

The battle begins as soon as healthy cells mutate into cancer cells.

How the Immune System Fights Cancer

Video thumbnail: NOVA Mysteries of Sleep Preview

NOVA

Mysteries of Sleep Preview

Why do we sleep? And what does sleep have to do with memory, trauma, and our emotions?

Mysteries of Sleep Preview

Video thumbnail: NOVA Cat Tales Preview

NOVA

Cat Tales Preview

Goddess, demon, house pet? What does science say about the human relationship with cats?

Cat Tales Preview

Video thumbnail: NOVA Are Cats More Expressive Than We Think?

NOVA

Are Cats More Expressive Than We Think?

Why it’s so hard to tell what your cat is thinking.

Are Cats More Expressive Than We Think?

Video thumbnail: NOVA Can Bones Reveal How Dogs Evolved from Wolves?

NOVA

Can Bones Reveal How Dogs Evolved from Wolves?

Learn more about the evolution of our furry companions.

Can Bones Reveal How Dogs Evolved from Wolves?

Video thumbnail: NOVA Dog Tales Preview

NOVA

Dog Tales Preview

Follow the epic journey of dog domestication and see what science says about dogs’ love.

Dog Tales Preview