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NOVA: Season 17 - 20 Episode s
17x1 - Poison in the Rockies
January 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.
17x2 - Race for the Top
January 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.
17x3 - Disguises of War
February 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.
17x4 - The Bomb's Lethal Legacy
February 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.
17x5 - The Big Spill
February 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.
17x6 - The Genius That Was China: Rise of the Dragon
March 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.
17x7 - The Genius That Was China: Empires in Collision
March 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.
17x8 - The Genius that Was China: The Threat from Japan
April 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.
17x9 - The Genius That Was China: Will the Dragon Rise Again?
April 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.
17x10 - The KGB, The Computer and Me
October 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.
17x11 - Neptune's Cold Fury
October 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.
17x12 - To Boldly Go...
October 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.
17x13 - Poisoned Winds of War
October 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.
17x14 - The Blimp is Back!
October 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.
17x15 - Earthquake!
November 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.
17x16 - Killing Machines
November 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.
17x17 - Can the Elephant Be Saved?
November 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.
17x18 - We Know Where You Live
November 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.
17x19 - In the Land of the Llamas
December 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.
17x20 - What's Killing the Children?
December 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.
NOVA: All seasons
S0: Specials
6 Episode s
S1: Season 1
13 Episode s
S2: Season 2
17 Episode s
S3: Season 3
20 Episode s
S4: Season 4
19 Episode s
S5: Season 5
21 Episode s
S6: Season 6
19 Episode s
S7: Season 7
20 Episode s
S8: Season 8
20 Episode s
S9: Season 9
19 Episode s
S10: Season 10
21 Episode s
S11: Season 11
20 Episode s
S12: Season 12
20 Episode s
S13: Season 13
21 Episode s
S14: Season 14
21 Episode s
S15: Season 15
22 Episode s
S16: Season 16
20 Episode s
S17: Season 17
20 Episode s
S18: Season 18
19 Episode s
S19: Season 19
20 Episode s
S20: Season 20
20 Episode s
S21: Season 21
20 Episode s
S22: Season 22
13 Episode s
S23: Season 23
19 Episode s
S24: Season 24
21 Episode s
S25: Season 25
20 Episode s
S26: Season 26
19 Episode s
S27: Season 27
21 Episode s
S28: Season 28
17 Episode s
S29: Season 29
17 Episode s
S30: Season 30
16 Episode s
S31: Season 31
18 Episode s
S32: Season 32
18 Episode s
S33: Season 33
20 Episode s
S34: Season 34
15 Episode s
S35: Season 35
17 Episode s
S36: Season 36
17 Episode s
S37: Season 37
18 Episode s
S38: Season 38
18 Episode s
S39: Season 39
19 Episode s
S40: Season 40
20 Episode s
S41: Season 41
22 Episode s
S42: Season 42
22 Episode s
S43: Season 43
22 Episode s
S44: Season 44
28 Episode s
S45: Season 45
23 Episode s
S46: Season 46
23 Episode s
S47: Season 47
16 Episode s
S48: Season 48
25 Episode s
S49: Season 49
19 Episode s
S50: Season 50
18 Episode s
S51: Season 51
14 Episode s