Extras
How Seaweed May Help Revive Our Oceans
Kelp’s ability to capture carbon from the ocean could help save marine ecosystems.
How Seaweed May Help Revive Our Oceans
The Hidden Cause of Traffic Jams—and How to Solve Them
Self-driving vehicles might be the solution for phantom traffic jams.
The Hidden Cause of Traffic Jams—and How to Solve Them
The False Promise of Cloning Your Pet
Cloning has come a long way since Dolly the sheep, but it still has limits.
The False Promise of Cloning Your Pet
This Device Smells Diseases by Imitating a Dog's Nose
Researchers at MIT create an electronic nose using chemical odor sensors.
This Device Smells Diseases by Imitating a Dog's Nose
War Threatens Ukrainian Nuclear Power Plants
Ukraine's 15 active nuclear reactors generate about half of the country's electricity.
War Threatens Ukrainian Nuclear Power Plants
Animal-to-Human Organ Transplants
In a first, a 57-year-old man received a heart transplant from a genetically modified pig.
Animal-to-Human Organ Transplants
What is 5G, and is it Safe to Use on Planes?
The 5G signal works in a fundamentally different way from 4G.
What is 5G, and is it Safe to Use on Planes?
Introducing NOVA's Financial Lab
Practice making financial decisions by taking care of your pet through three mini-games.
Introducing NOVA's Financial Lab
Can South Carolina's Salt Marshes Be Saved?
Many seafood dishes depend on an ecosystem that's easy to overlook: The salt marsh.
Can South Carolina's Salt Marshes Be Saved?
From Prison to Careers in STEM
Watch how four accomplished scientists began their careers or education in prison.
From Prison to Careers in STEM
Could Antiviral Pills Change the Course of the Pandemic?
The FDA authorized use of the first antiviral pills to treat COVID-19 at home.
Could Antiviral Pills Change the Course of the Pandemic?
Can Psychedelics Cure? Preview
Psychedelics are unlocking new ways to treat conditions like addiction and depression.
Can Psychedelics Cure? Preview
Is artificial intelligence making policing and courts fairer, or is it increasing bias?
Computers v. Crime Preview
The farther away a galaxy is, the redder it appears to our telescopes.
Why Distant Galaxies Look Red
Ultimate Space Telescope Preview
Discover how NASA engineers built and launched the most ambitious telescope of all time.
Ultimate Space Telescope Preview
NASA Reacts to the James Webb Space Telescope Images
This NASA team was the first to see the new James Webb Space Telescope images.
NASA Reacts to the James Webb Space Telescope Images
How Scientists Created JWST's First Test Image
A test image from the James Webb Space Telescope unexpectedly captured many galaxies.
How Scientists Created JWST's First Test Image
Ancient footprints provide new evidence of humans and extinct giant beasts of the Ice Age.
Ice Age Footprints Preview
Humans May Have Lived in North America Earlier Than Thought
Scattered seeds help reveal when ancient humans first left footprints in North America.
Humans May Have Lived in North America Earlier Than Thought
The Crash That Shut Down the Global Economy, Explained
The Suez Canal is one of the most important shipping lanes in the world.