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Exclusive: Edward Snowden on Cyber Attacks
The former NSA contractor sat down with NOVA to discuss the future of cyber warfare.
Clip | 3m 54s
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Hot air balloons let people soar into the sky, but they had their share of turbulence.
Clip | 3m 37s
Do We Live in a Multiverse?
Could parallel universes exist? If so, what would they look like and how would they form?
Clip | 5m 2s
Zombies and Calculus, Part 2
You're being chased by zombies, and understanding tangent vectors may save your life.
Clip | 6m 50s
Secrets of Urban Archaeology
Urban archaeologists dig for stories beneath city streets.
Clip | 3m 23s
Three physicists untie a 150-year-old tangle of a puzzle.
Clip | 5m 40s
2.5 Ways to Die in a Black Hole
The answer to how you would die in a black hole could revolutionize the laws of nature.
Clip | 7m 12s
Carnivorous Plants and Killer Ants
Ant eats plant's parasites. Plant eats ant's poop. It's the circle of life.
Clip | 3m 3s
16th Century Nose Jobs
Thinking about getting a nose job? Thank goodness it's not the 16th century.
Clip | 2m 19s
What is energy and why are we on a never ending search for new energy sources?
Clip | 2m 41s
Modern wind turbines capture energy from the wind and convert it into electricity.
Clip | 2m 33s
Toward a Smarter Grid
What can be done to make the power grid more reliable and efficient?
Clip | 2m 56s
A Never Ending Supply
What makes an energy source renewable and how can we use them to power our societies?
Clip | 2m 44s
Growing Appetites, Limited Resources
The need for alternative energy sources is more pressing than ever.
Clip | 2m 21s
How can we convert the Sun’s light and heat into energy we can use?
Clip | 3m
The Tongue-Eating Parasite
Gross science: This parasite crawls into a fish’s mouth and replaces its tongue.
Clip | 2m 34s
NOVA Elements iPad App
Explore an interactive periodic table, play an elemental game, and watch the NOVA program.
Clip | 4m 33s
Light My Fire
What do you get when you introduce a chunk of Sodium to a Bunsen burner? Sizzling romance.
Clip | 1m 18s
The Higgs Particle Matters
Learn how Peter Higgs' ideas about matter transformed our understanding of space.
Clip | 4m 46s
The Making of the
Take a behind-the-scenes look at this animated scene from "The Fabric of the Cosmos."
Clip | 5m 15s
Finding Earth-Like Planets
Learn how to find signs of extraterrestrial life in our galaxy without leaving home.
Clip | 4m 6s
An Interview With Steve Jobs
Watch a rare interview with the late Apple visionary, conducted in 1990.
Clip | 50m 11s
Quantum mechanics is nothing to laugh at. Well, sometimes it is.
Clip | 1m 32s
Reflections on the 9/11 Memorial
Visitors to the newly opened 9/11 memorial share their impressions.
Clip | 2m 20s