S44 E19: Why Fiddler Crabs Have Giant Claws
Fiddler crabs' large claws look intimidating, but is deadly combat their main ...
S44 E19: Darwin's Beetles Spar Off
Beetles make up the largest group of insects on Earth. Why do so few of them ...
S44 E17: What Makes a Hurricane?
Hurricanes bring wind, rain, and destruction—but how do they form?
Why Did Houston Flood?
Hurricane Harvey broke continental U.S. records. Here's how cities can be better ...
S43 E15: School of the Future - Spanish Version
How can the science of learning help us rethink the future of education for all ...
How to Find an Exoplanet
Want to find another world beyond our solar system? Here are the 5 ways you can ...
S44 E7: Saving Jewish History
Jewish scholars in Lithuania risked death in WWII to save their literature from ...
A Scientist Walks Into A Bar #2
A scientist must explain the Big Bang and dark energy so two comedians can ...
S42 E23: Einstein’s Thought Experiment
Your perception of time depends on how you are moving.
S42 E23: Gravity's Effect on Spacetime
Einstein's theory showed that time itself is affected by gravity.
S42 E23: What is Spacetime?
A mysterious concept changed the way we understand reality.
S42 E22: Making North America: Human
How has the land shaped our lives, from the arrival of the first Americans to ...
Exclusive: Edward Snowden on Cyber Attacks
The former NSA contractor sat down with NOVA to discuss the future of cyber ...
S41 E18: Strange Captain Strange
A pilot transforms how airplanes fight during WWI, but nearly plummets and dies ...
Hot air balloons let people soar into the sky, but they had their share of ...
S41 E19: Spinosaurus vs. Alligator
A tame alligator named Bubba betrays the secrets of the largest predator that ...
Do We Live in a Multiverse?
Could parallel universes exist? If so, what would they look like and how would ...
Zombies and Calculus, Part 2
You're being chased by zombies, and understanding tangent vectors may save your ...
Secrets of Urban Archaeology
Urban archaeologists dig for stories beneath city streets.
S41 E14: U.S. Polio Vaccines: Then and Now
The polio vaccine's history extends more than fifty years.
S41 E14: A History of Vaccination
Vaccination began as a traditional therapy over a thousand years ago.