Season 4

1977年1月5日 · 55分钟

NOVA traces the development of Hitler's V-2 rocket through rare footage obtained from the National Archives—some never broadcast before on television.

1977年1月12日 · 55分钟

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 these dinosaurs lived? NOVA explores the incredible world of the dinosaur scientist.

1977年1月19日 · 55分钟

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.

1977年2月2日 · 55分钟

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.

1977年2月9日 · 55分钟

NOVA follows the lives of three boys who have combined immuned deficiency—a disease that leaves its victims with no immune system.

1977年2月23日 · 55分钟

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.

1977年3月2日 · 55分钟

NOVA looks at blackbirds, their winter habit of nesting in the millions, and the destruction they do to crops.

1977年3月9日 · 55分钟

NOVA profiles chemist Russell Marker who made the birth control pill possible by discovering a synthetic substitute for the hormone progesterone.

1977年3月16日 · 55分钟

NOVA explores the history of genetic engineering and the possible risks and benefits of this area of research

1977年3月23日 · 55分钟

NOVA investigates the controversial theory of Harvard University biologist E.O. Wilson, that many aspects of human behavior are genetically determined.

1977年3月30日 · 55分钟

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 predator of the wolf—the caribou population has been steadily decreasing in number. NOVA examines how the Dept. of Fish and Game is handling the the problem of wolf control.

1977年4月20日 · 55分钟

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 approach, such as the use of a huge windmill in Ohio, giant machines that may generate electricity from the heat of the tropical seas or from the motion of waves, and an orbiting solar power station able to beam microwaves to earth.

1977年4月20日 · 55分钟

NOVA explores the huge international illegal trade in animals, penetrates the thriving underworld of smugglers and assesses the effects on vanishing wildlife.

1977年4月27日 · 55分钟

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 Viking mariner missions about how the vast canyons were formed are also explored.

1977年5月11日 · 55分钟

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.

1977年5月18日 · 55分钟

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.

1977年6月1日 · 55分钟

NOVA profiles Linus Pauling—the only person to have received two unshared Nobel Prizes for his work in nuclear weapons.

1977年6月22日 · 55分钟

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 racer; Frances Parsons, an advocate of hearing-impaired persons' rights; and workers at Silent Industries—a factory in Los Angeles founded by a deaf man.

1977年6月29日 · 55分钟

NOVA explores the delibitating diseases that are often caused by poverty and follows two paths to health care in Tanzania and the United States.