NOVA

1Poison in the Rockies

55 minJan 9, 1990

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.

2Race for the Top

55 minJan 23, 1990

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.

3Disguises of War

55 minFeb 6, 1990

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.

4The Bomb's Lethal Legacy

55 minFeb 13, 1990

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.

5The Big Spill

55 minFeb 27, 1990

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.

6The Genius That Was China: Rise of the Dragon

55 minMar 20, 1990

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.

7The Genius That Was China: Empires in Collision

55 minMar 27, 1990

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.

8The Genius that Was China: The Threat from Japan

55 minApr 3, 1990

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.

9The Genius That Was China: Will the Dragon Rise Again?

55 minApr 10, 1990

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.

10The KGB, The Computer and Me

55 minOct 2, 1990

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.

11Neptune's Cold Fury

55 minOct 9, 1990

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.

12To Boldly Go...

55 minOct 16, 1990

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.

13Poisoned Winds of War

55 minOct 23, 1990

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.

14The Blimp is Back!

55 minOct 30, 1990

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.

15Earthquake!

55 minNov 6, 1990

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.

16Killing Machines

55 minNov 13, 1990

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.

17Can the Elephant Be Saved?

55 minNov 20, 1990

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.

18We Know Where You Live

55 minNov 27, 1990

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.

19In the Land of the Llamas

55 minDec 4, 1990

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.

20What's Killing the Children?

55 minDec 18, 1990

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.