NOVA: Season 17

Episode 1: Poison in the Rockies 1990-01-09 | 55 min NOVA reports on the 100-year-old legacy of pollution from mining that poisons the once-pristine waters of the Rocky Mountain states. Acid Rain and economic development also contribute to stress on the West's scarce water supply.

Episode 2: Race for the Top 1990-01-23 | 55 min Using some of the largest machines ever built on earth, American and European physicists race to discover one of the most fundamental and most elusive objects in nature—the top quark.

Episode 3: Disguises of War 1990-02-06 | 55 min Sixty-five years after attempts to ban them, chemical weapons pose more of a threat than ever. NOVA looks at the problem of controlling substances that are easily produced and cruelly effective.

Episode 4: The Bomb's Lethal Legacy 1990-02-13 | 55 min NOVA examines an alarming nuclear waste problem at the Hanfrod Nuclear Reservation in eastern Washington state, where 45 years of mismanagement in the nuclear weapons industry will cost billions to correct.

Episode 5: The Big Spill 1990-02-27 | 55 min Covering last year's Exxon Valdez oil spill from an unexplored angle, NOVA focuses on how technology failed in preventing, containing and cleaning up the Alaskan disaster.

Episode 6: The Genius That Was China: Rise of the Dragon 1990-03-20 | 55 min China in the 13th century was the richest, most powerful, most technologically advanced civilization on earth. NOVA looks at how China achieved what it did, and what in Chinese politics, culture and economy kept it from doing more. Part one of a four part series.

Episode 7: The Genius That Was China: Empires in Collision 1990-03-27 | 55 min NOVA examines the extraordinary transformation that propelled Europe outward into the world from the 15th to 18th centuries, while China remained the insular middle kingdom. Part two of a four part series.

Episode 8: The Genius that Was China: The Threat from Japan 1990-04-03 | 55 min Ever wonder how junk mail finds you? NOVA investigates the hidden world of direct marketing, pointing out how advertisers know a lot more about us than we think.

Episode 9: The Genius That Was China: Will the Dragon Rise Again? 1990-04-10 | 55 min NOVA covers China's long road to economic and technological equality with the West, punctuated by frequent setbacks such as the 1989 massacre of pro-democractic demonstrations in Beijing. Part four of a four part series.

Episode 10: The KGB, The Computer and Me 1990-10-02 | 55 min This documentary covers the surprising tale of an average systems administrator who stumbled upon a KGB spy operation. Clifford Stoll carried out one of the first successful digital forensics investigations by tracking down Markus Hess, a KGB hacker, after noticing a discrepancy in the logs of a University of California computer.

Episode 11: Neptune's Cold Fury 1990-10-09 | 55 min NOVA visits Neptune, the planet that took Voyager 12 years to reach. Mysteries abound in and around this big, blue world at the outer limits of the solar system. Actor Patrick Stewart hosts.

Episode 12: To Boldly Go... 1990-10-16 | 55 min NOVA chronicles the Voyager space mission—from Earth to the ends of the solar system. Jupiter, Saturn, Uranus and dozens of moons star in this epic voyage of exploration. Actor Patrick Stewart hosts.

Episode 13: Poisoned Winds of War 1990-10-23 | 55 min Sixty-five years after attempts to ban them, chemical weapons pose more of a threat than ever. NOVA looks at the problem of controlling substances that are easily produced and cruelly effective.

Episode 14: The Blimp is Back! 1990-10-30 | 55 min NOVA examines the troubled past and promising future of blimps, zeppelins, cyclocranes and other species of airships. There's life in the old gasbags yet.

Episode 15: Earthquake! 1990-11-06 | 55 min NOVA looks at the high-stakes quest to predict earthquakes. Despite past disappointments, geologists still hope to divine the clues that precede nature's ultimate upheavals.

Episode 16: Killing Machines 1990-11-13 | 55 min Robotic weapons that seek out and destroy ships, planes, and other targets are the wave of the future. NOVA questions whether their proliferation may spell an end to superpower invincibility.

Episode 17: Can the Elephant Be Saved? 1990-11-20 | 55 min Is the ivory ban in the elephant's best interest? NOVA looks at the controversial strategies to save the world's largest land animal from extinction.

Episode 18: We Know Where You Live 1990-11-27 | 55 min Ever wonder how junk mail finds you? NOVA investigates the hidden world of direct marketing, pointing out how advertisers know a lot more about us than we think.

Episode 19: In the Land of the Llamas 1990-12-04 | 55 min NOVA profiles the llama, alpaca, vicuna and guanaco of South America. At one time nearly extinct, these four members of the camel family are exceptionally well adapted to life in the beautiful high Andes.

Episode 20: What's Killing the Children? 1990-12-18 | 55 min NOVA tracks a mysterious disease that suddenly and fatally attacks the children of a small Brazilian town. Researchers from the Centers for Disease Control in Atlanta are called in to crack the case.

NOVA: Season 17

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