Watch NOVA Season 31 online
NOVA Season 31 streaming: where to watch online?
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Episodes
1. Infinite Secrets
A battered manuscript turns up after 1,000 years, revealing the mind of the Greek genius Archimedes.
2. Who Killed the Red Baron?
Forensic experts investigate the most famous aviation mystery of World War I.
3. The Elegant Universe: Einstein's Dream (1)
Eleven dimensions, parallel universes, and a world made out of strings. It's not science fiction, it's string theory. Part 1 of 3.
4. The Elegant Universe: String's the Thing (2)
Eleven dimensions, parallel universes, and a world made out of strings. It's not science fiction, it's string theory. Part 2 of 3.
5. The Elegant Universe: Welcome to the 11th Dimension (3)
Eleven dimensions, parallel universes, and a world made out of strings. It's not science fiction, it's string theory. Part 3 of 3.
6. Wright Brothers' Flying Machine
Relive the engineering challenges that two obscure bicycle makers overcame to become first in flight.
7. Magnetic Storm
Is the magnetic field protecting Earth from deadly radiation about to reverse direction or even disappear?
8. Volcano Above the Clouds
Join a scientific expedition to the glacier-capped summit of Kilimanjaro, Africa's tallest mountain.
9. MARS: Dead or Alive
NASA gambles on two rovers sent to determine if the red planet ever had conditions suitable for life.
10. Secrets of the Crocodile Caves
Rare lemurs and crocodiles with bizarre cave-dwelling behavior draw scientists to a remote corner of Madagascar.
11. Dogs and More Dogs
How and why did man's best friend evolve from wolves, and why are dogs so remarkably diverse today?
12. Descent Into the Ice
A team of "glacionauts" ventures into a labyrinth of unexplored and hazardous glacier caves on France's Mt. Blanc.
13. Crash of Flight 111
One of the most exhaustive investigations in aviation history reveals telling clues to the cause of a disaster off Nova Scotia.
14. Life and Death in the War Zone
An American combat hospital mobilized in Iraq faces a daily drama of wartime treatment.
15. Hunt for the Supertwister
Tornado-chasing scientists with an eye to better forecasting risk their lives to plumb the secrets of nature's most terrifying killer.
16. World in the Balance: The People Paradox (1)
NOVA investigates forces that are radically changing populations in both rich and poor nations, and explores how to create a world that can sustain the human race. (Part 1 of 2)
17. World in the Balance: China Revs Up (2)
NOVA investigates forces that are radically changing populations in both rich and poor nations, and explores how to create a world that can sustain the human race. (Part 2 of 2)
18. Battle Plan Under Fire
Can the U.S. military's high-tech weaponry prevail against insurgents?