NOVA

Science and Nature Series / 24 Seasons

NOVA brings you stories from the frontlines of science and engineering, answering the big questions of today and tomorrow, from how our ancestors lived, to whether parallel universes exist, to how technology will transform our lives. Visit the official website to watch full-length documentaries, or explore our world through short-form video, on our digital publication NOVA Next.

Watch Latest: S51 E14

53m 40s

This Device Smells Diseases by Imitating a Dog's Nose

4m 43s

By studying dog noses, scientists at MIT are building an electronic nose that is learning to analyze odors to sniff out diseases. Could this tech someday be integrated into smartphones?

Ice Age Footprints Preview

30s

Ancient footprints in New Mexico’s White Sands National Park reveal new evidence of Ice Age humans that walked the land alongside enormous ground sloths and mammoths—thousands of years earlier than archaeologists thought people were in the Americas.

The Crash That Shut Down the Global Economy, Explained

3m 31s

How could one ship shut down the global economy? An investigator shows why the Ever Given crashed into the bank of the Suez Canal, while the Cosco Galaxy—which passed through the waterway on the same day—did not.

Why Ships Crash Preview

29s

When the colossal Ever Given container ship crashed in the Suez Canal in March 2021, international supply chains ground to a halt. How did it happen? Follow the investigation into one of the most expensive shipping disasters ever.

Dinosaur Apocalypse: The Last Day

29s

The search continues for signs of what might have happened on the day the dinosaurs died. Scientists uncover remarkable evidence, including a near perfectly preserved dinosaur leg and what could be pieces of the asteroid itself.

Dinosaur Apocalypse: The New Evidence Preview

29s

In North Dakota, scientists use new fossils to reconstruct what life might have been like just before an asteroid wiped out the dinosaurs. The site reveals remarkable evidence, including the unhatched egg of a pterosaur, a huge flying reptile.

How an Alzheimer’s study reached Black communities

2m 32s

Any investigator that doesn't understand how communities of color have been unfairly treated when it comes to research is doing themselves a disservice, says Gina Green Harris, director of Milwaukee Outreach.

Determined: Fighting Alzheimer's Preview

28s

Follow three women at risk of developing Alzheimer’s as they join a groundbreaking study to try to prevent the disease – sharing their ups and downs, anxiously watching for symptoms, and hoping they can make a difference.

Animal-to-Human Organ Transplants

4m 59s

Of the over 100,000 people on the waitlist for an organ in the United States, 17 die every day. Now, the first pig-to-human heart transplant reveals some of the challenges of xenotransplantation.

Increasing Access to Brain-Controlled Prosthetics

2m 55s

"If we think about bionic limbs as more of a therapy, as treatment," a bioethicist told NOVA, "then we can start to take away some of the disparate access to artificial limbs that are very technologically advanced."

Supported by