Financial Videos

Exoplanet Videos

Polar Videos

Evolution Videos

Evolution 101 | 04:57

Every creature that’s ever lived, including you, has been honed by the powerful force of evolution. Play NOVA's Evolution Lab to learn how it’s responsible for the explosion of Earth's biodiversity.
Training Trees | 02:38

How might you visualize how all life is related? One approach is called a phylogenetic tree. Learn how a single image can tell us stories about deep time, sudden change, and breathtaking adaptation.
Fossils: Rocking the Earth | 02:08

Fossils are clues, often concealed inside rock formations, about many of the creatures that once roamed our planet. Dig in to witness the evidence for evolution that fossils provide.
DNA Spells Evolution | 03:13

DNA weaves together the tapestry of life on Earth. It mutates, which can lead to variation among organisms. Watch how natural selection relies on DNA to mold organisms to suit their environments.
Biogeography: Where Life Lives | 01:49

As our planet has coughed up new oceanic islands and ripped its land masses apart, organisms have found themselves stranded in new environments. And every time, evolution has helped them adapt.

Cybersecurity Videos

Cybersecurity 101 | 03:38

The Internet is fundamentally insecure. However, there are simple things you can do to protect yourself and your information. Learn what they are in NOVA’s Cybersecurity Lab.
Cyber Codes | 03:25

Do you trust the security of your email, text messages, and browser history? Learn how trustworthy online communication actually is and how encryption can protect your privacy. Sometimes.
The Secret Lives of Hackers | 03:01

Hackers may not be who we think they are. In fact, you might be a hacker and not even know it. Learn the true meaning of hacking and some of the many reasons that hackers hack.
A Cyber Privacy Parable | 3:18

Follow the trials and tribulations of Tim as a seemingly innocent piece of digital information threatens to ruin his life when it falls into the wrong hands.

RNA Videos

The RNA Enigma | 03:24

RNA is a wonder molecule that can answer some of the biggest mysteries in biology. But what exactly is RNA, and how can you help discover its secrets just by playing a game?
Protein Synthesis in the Cellular Factory | 03:48

Your cells contain an amazing factory that builds the RNA and protein machines that keep you alive. Learn how this factory works and what the relationship is between DNA, RNA, and proteins.
The RNA Origin of Life | 03:02

RNA may have been the origin of life on Earth. Go on a whirlwind tour of RNA’s evolving role through billions of years of evolutionary history.
Virus Wars | 03:32

All cellular life, including you, is in an ancient and unending war with viruses. Watch how viruses attack cells and learn about RNA interference, one of the ways that cells fight back.
The Making of Eterna | 11:44

This segment from PBS’s Nova scienceNOW tells the story of how and why Eterna was created. Eterna’s architects also discuss the potential of using crowdsourcing to solve complex scientific mysteries.

Cloud Videos

The Making of a Cloud | 03:10

Clouds affect us every day, no matter the weather. But what exactly are clouds and how do they form? And how can they help us predict severe storms, the availability of water, and our future climate?
Why So Many Cloud Types? | 03:35

While all clouds share the same basic composition, there's a wide variety of shapes and sizes. To understand these formations in greater detail we must first categorize their many variations.
Clouds and Weather | 03:21

Although there is a direct connection between clouds and weather, they're not the same. This video explores the distinctions between the two and the atmospheric factors they have in common.
Clouds and Severe Storms | 03:37

We might prefer beautiful weather reports, but we really pay attention when severe storms are predicted. So how do Earth's most powerful storms develop, and how is this related to cloud formation?
The Climate Wild Card | 03:02

Clouds have a huge effect on our planet's overall temperature. And yet we don't know how clouds will change as the planet warms. Scientists are scrambling to answer this important question.
Hurricane Rotation and the Coriolis Effect | 02:55

In the northern hemisphere, big storms spin counterclockwise as they travel, but in the southern hemisphere they spin clockwise. Why do storms spin in different directions depending on their location?

Energy Videos

Growing Appetites, Limited Resources | 02:21

Our ability to capture and convert energy into more usable forms has helped shape human society. Now we face a growing need for alternative energy sources and innovative technologies.
Energy Defined | 02:41

There are textbook definitions of energy, and then there's the energy we experience in our daily lives. So what is energy, and why are we on a never-ending search for new sources?
Putting Energy to Use | 02:14

Society has been revolutionized by our ability to convert energy into different, more useful forms. As fossil fuels become harder to find, scientists look for new energy sources to power our lives.
A Never-Ending Supply | 02:44

Renewable energy sources might just be the answer to a sustainable future. What makes an energy source renewable, and how can we use these sources to power our societies well into the future?
Solar Power | 03:00

The Sun is a reliable energy source that we can harness and convert into electricity in several ways. So why are renewable and clean solar energy systems not used more widely?
Wind Power | 02:33

Unlike the water-pumping windmills that inspired them, modern wind turbines generate electricity. But several engineering puzzles must still be solved to make wind power available in all communities.
Solving the Storage Problem | 02:26

Although we’ve found ways to generate electricity from renewables, storing energy for future use isn’t so easy. Why is this, and what strategies are engineers using to solve the storage problem?
Toward a Smarter Grid | 02:56

Our electric power grid is a 20th-century system providing electricity to a 21st-century, energy-hungry world. What can be done to make the grid more reliable and efficient?

Sun Videos

Anatomy of the Sun | 03:22

It might look like a solid object, but the Sun is very different from Earth. Find out what it's made of, and how reactions inside the Sun generate all that energy and drive powerful solar storms.
The Sun's Energy | 02:06

Although the Sun’s power is most visible at and above its surface, its power originates deep within. Explore the processes that produce the Sun’s light, heat, and unpredictable storms.
The Dynamic Sun | 03:17

Explore the driving force behind the Sun's variability: magnetism. Find out how the Sun's mixed-up magnetic field develops and what effect this has on solar activity.
Solar Wind and Storms | 2:47

The Sun is constantly blasting a huge amount of matter and energy into the solar system, creating “space weather” around our planet.
Earth's Magnetic Field | 02:05

Magnets do more than pick up metal objects and attract iron filings. In fact, without the strong magnetic field Earth projects into space, life as we know it might not exist. Find out how it works…
The Threat to Earth | 02:32

Earth’s tough defenses keep us from even noticing most solar storms. But find out what happened in 1859, and what may happen the next time a solar megastorm strikes our planet.
The Electromagnetic Spectrum | 02:55

The Sun is constantly broadcasting information about its activity in the form of light waves. Find out why there’s more to see than what meets the eye…
Solar Space Telescopes | 03:50

Get to know the technologies behind three key missions that are driving the most exciting and productive era in the history of solar research.
How Can I Study the Sun? | 03:17

Here’s a preview of our Sun Lab, powered by NASA's amazing Helioviewer tool. Find out how you can use it to access the same solar telescope images the pros use.
Introducing NOVA's Sun Lab | 02:13

Find out why we all should care about what’s happening on the Sun, and how you can do your own research using images from NASA telescopes.