Season 47

Video thumbnail: NOVA Gene-Editing Reality Check

NOVA

Gene-Editing Reality Check

CRISPR gene-editing technology is advancing quickly. What can it do now—and in the future?

Gene-Editing Reality Check

Video thumbnail: NOVA Touching the Asteroid

NOVA

Touching the Asteroid

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

Touching the Asteroid

Video thumbnail: NOVA A to Z: How Writing Changed the WorldPassport

NOVA

A to Z: How Writing Changed the World

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

A to Z: How Writing Changed the World

Video thumbnail: NOVA A to Z: The First AlphabetPassport

NOVA

A to Z: The First Alphabet

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

A to Z: The First Alphabet

Video thumbnail: NOVA Secret Mind of SlimePassport

NOVA

Secret Mind of Slime

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

Secret Mind of Slime

Video thumbnail: NOVA Human NaturePassport

NOVA

Human Nature

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

Human Nature

Video thumbnail: NOVA Decoding COVID-19

NOVA

Decoding COVID-19

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

Decoding COVID-19

Video thumbnail: NOVA Nature's Fear Factor

NOVA

Nature's Fear Factor

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

Nature's Fear Factor

Video thumbnail: NOVA Eagle PowerPassport

NOVA

Eagle Power

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

Eagle Power

Video thumbnail: NOVA The Truth About FatPassport

NOVA

The Truth About Fat

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

The Truth About Fat

Video thumbnail: NOVA Cuba's Cancer HopePassport

NOVA

Cuba's Cancer Hope

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

Cuba's Cancer Hope

Video thumbnail: NOVA Mysteries of SleepPassport

NOVA

Mysteries of Sleep

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

Mysteries of Sleep

Video thumbnail: NOVA Cat TalesPassport

NOVA

Cat Tales

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

Cat Tales

Video thumbnail: NOVA Dog TalesPassport

NOVA

Dog Tales

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

Dog Tales

Video thumbnail: NOVA Polar Extremes

NOVA

Polar Extremes

Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.

Polar Extremes