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  • : 1039
  • : 306
  • PBS
  • 21
  • Documentary

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4
4x1
Hitler's Secret Weapon
Episode overview
NOVA traces the development of Hitler's V-2 rocket through rare footage obtained from the National Archives—some never broadcast before on television.
4x2
The Hot-Blooded Dinosaurs
Episode overview
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 together, never mind discover anything about how .. show full overview
4x3
What Price Coal?
Episode overview
What is the price we are prepared to pay for coal? NOVA looks at the environmental and health safety issues raised by the government, industry, and the victims.
4x4
The Sunspot Mystery
Episode overview
NOVA explores the research on the 1976 drought in the western United States which led some solar scientists to discover the link between weather patterns and the 11 year sunspot mystery.
4x5
The Plastic Prison
Episode overview
NOVA follows the lives of three boys who have combined immuned deficiency—a disease that leaves its victims with no immune system.
4x6
Incident at Brown's Ferry
Episode overview
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 came very close to developing into a major public disaster.
4x7
Bye Bye Blackbird
Episode overview
NOVA looks at blackbirds, their winter habit of nesting in the millions, and the destruction they do to crops.
4x8
The Pill for the People
Episode overview
NOVA profiles chemist Russell Marker who made the birth control pill possible by discovering a synthetic substitute for the hormone progesterone.
4x9
The Gene Engineers
Episode overview
NOVA explores the history of genetic engineering and the possible risks and benefits of this area of research
4x10
Sociobiology : The Human Animal
Episode overview
NOVA investigates the controversial theory of Harvard University biologist E.O. Wilson, that many aspects of human behavior are genetically determined.
4x11
The Wolf Equation
Episode overview
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 by the Western Arctic caribou herds—a natural .. show full overview
4x12
The Dawn of the Solar Age
Episode overview
Solar energy is increasingly popular as a home heating source. But only recently has it been seriously considered as a source of industrial power. NOVA looks at this new industrial .. show full overview
4x13
The Business of Extinction
Episode overview
NOVA explores the huge international illegal trade in animals, penetrates the thriving underworld of smugglers and assesses the effects on vanishing wildlife.
4x14
The Red Planet
Episode overview
NOVA traces 300 years of speculation, investigation and discovery that have centered on Mars—particularly the theory that the planet could support life. Questions raised by NASA's 1976 .. show full overview
4x15
The Tongues of Men : Disaster at Babel (1)
Episode overview
In part one of this two-part exploration of the diversity of world languages, NOVA examines how and why the bewildering confusion of languages came about.
4x16
The Tongues of Men : A World Language? (2)
Episode overview
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 the growing acceptance of English is the answer.
4x17
Linus Pauling: Crusading Scientist
Episode overview
NOVA profiles Linus Pauling—the only person to have received two unshared Nobel Prizes for his work in nuclear weapons.
4x18
Across the Silent Barrier
Episode overview
NOVA explores the different means by which hearing-impaired people have learned to penetrate the world of the hearing by visiting with Kitty O'Neil—a woman record-holding speed car .. show full overview
4x19
The New Healers
Episode overview
NOVA explores the delibitating diseases that are often caused by poverty and follows two paths to health care in Tanzania and the United States.
4x20
The Green Machine
Episode overview
Botany is a neglected science and plants are all around us, but unfamiliar. NOVA examines our state of knowledge of how plants work: growth hormones, responses to light and shade, photosynthesis, root mechanisms and twining responses.

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