NOVA - Season 4
Run Time: 55 mins
Air Date: Wed, 5 Jan 1977
Average Rating: ⭐ 7 (133 votes)
PBS19 Episodes
Hitler's Secret Weapon
Season 4 - Episode 1
NOVA traces the development of Hitler's V-2 rocket through rare footage obtained from the National Archives—some never broadcast before on t...
The Hot Blooded Dinosaurs
Season 4 - Episode 2
If you were a dinosaur scientist, what would you do with a pile of fossil bones? How would you even start to put the giant jigsaw puzzle tog...
What Price Coal?
Season 4 - Episode 3
What is the price we are prepared to pay for coal? NOVA looks at the environmental and health safety issues raised by the government, indust...
The Sunspot Mystery
Season 4 - Episode 4
NOVA explores the research on the 1976 drought in the western United States which led some solar scientists to discover the link between wea...
The Plastic Prison
Season 4 - Episode 5
NOVA follows the lives of three boys who have combined immuned deficiency—a disease that leaves its victims with no immune system.
Incident at Brown's Ferry
Season 4 - Episode 6
NOVA recreates March 1975 at Brown's Ferry, an Alabama nuclear power plant—the largest in the world—that suffered a seven-hour fire which ca...
Bye Bye Blackbird
Season 4 - Episode 7
NOVA looks at blackbirds, their winter habit of nesting in the millions, and the destruction they do to crops.
The Pill for the People
Season 4 - Episode 8
NOVA profiles chemist Russell Marker who made the birth control pill possible by discovering a synthetic substitute for the hormone progeste...
The Gene Engineers
Season 4 - Episode 9
NOVA explores the history of genetic engineering and the possible risks and benefits of this area of research
The Human Animal
Season 4 - Episode 10
NOVA investigates the controversial theory of Harvard University biologist E.O. Wilson, that many aspects of human behavior are genetically ...
The Wolf Equation
Season 4 - Episode 11
In the winter of 1976-77, 80 percent of the wolf population in Northwest Alaska was the target of aerial hunts. Although the area is roamed ...
The Dawn of the Solar Age
Season 4 - Episode 12
Solar energy is increasingly popular as a home heating source. But only recently has it been seriously considered as a source of industrial ...
The Business of Extinction
Season 4 - Episode 13
NOVA explores the huge international illegal trade in animals, penetrates the thriving underworld of smugglers and assesses the effects on v...
The Red Planet
Season 4 - Episode 14
NOVA traces 300 years of speculation, investigation and discovery that have centered on Mars—particularly the theory that the planet could s...
Tongues of Men (1)
Season 4 - Episode 15
In part one of this two-part exploration of the diversity of world languages, NOVA examines how and why the bewildering confusion of languag...
Tongues of Men (2)
Season 4 - Episode 16
In part two of this two-part series on the diversity of language, NOVA explores how man has coped with the confusion of language and asks if...
Linus Pauling: Crusading Scientist
Season 4 - Episode 17
NOVA profiles Linus Pauling—the only person to have received two unshared Nobel Prizes for his work in nuclear weapons.
Across the Silent Barrier
Season 4 - Episode 18
NOVA explores the different means by which hearing-impaired people have learned to penetrate the world of the hearing by visiting with Kitty...
The New Healers
Season 4 - Episode 19
NOVA explores the delibitating diseases that are often caused by poverty and follows two paths to health care in Tanzania and the United Sta...