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Σεζόν 28
Ημερομηνία προβολής
Οκτ 14, 1987
Declining populations of sea birds on the Gulf of St. Lawrence.
Declining populations of sea birds on the Gulf of St. Lawrence.
Ημερομηνία προβολής
Οκτ 21, 1987
Modern uses of radar, and the philosophy and science of dowsing for water.
Modern uses of radar, and the philosophy and science of dowsing for water.
Ημερομηνία προβολής
Οκτ 28, 1987
The physiology of speech production, and fossils in shale.
The physiology of speech production, and fossils in shale.
Ημερομηνία προβολής
Νοέ 04, 1987
Los Angeles County's toxic waste strike force, and how fish swim.
Los Angeles County's toxic waste strike force, and how fish swim.
Ημερομηνία προβολής
Νοέ 18, 1987
The fate of the Franklin expedition through the Arctic.
The fate of the Franklin expedition through the Arctic.
Ημερομηνία προβολής
Νοέ 25, 1987
The long-term effects of fall-out from Chernobyl are still being debated. The pros and cons of nuclear power have been hotly debated for the past decade, but the shock waves of the
.. show full overview
The long-term effects of fall-out from Chernobyl are still being debated. The pros and cons of nuclear power have been hotly debated for the past decade, but the shock waves of the accidents at Three Mile Island and Chernobyl have brought that debate to a boil. This episode looks at that debate. How safe are reactors and waste disposal? What about uranium mining, weapons proliferation, and the economics? How safe is nuclear energy and what are the alternatives?
28x7
A Year in the Life of the Bald Eagle / Balloons and Airships
Episode overview
Ημερομηνία προβολής
Δεκ 02, 1987
A year in the life of a bald eagle, and history of balloons and airships.
A year in the life of a bald eagle, and history of balloons and airships.
Ημερομηνία προβολής
Δεκ 16, 1987
How zoos can help prevent the extinction of wildlife; Arctic wildlife.
How zoos can help prevent the extinction of wildlife; Arctic wildlife.
Ημερομηνία προβολής
Δεκ 30, 1987
This episode has no summary.
This episode has no summary.
Ημερομηνία προβολής
Ιαν 06, 1988
This episode has no summary.
This episode has no summary.
Ημερομηνία προβολής
Ιαν 13, 1988
This episode has no summary.
This episode has no summary.
Ημερομηνία προβολής
Ιαν 20, 1988
Science and technology restructure society.
Science and technology restructure society.
Ημερομηνία προβολής
Ιαν 27, 1988
Report on perestroika (restructuring) USSR. Is she
doomed to success or failure?
Report on perestroika (restructuring) USSR. Is she
doomed to success or failure?
Ημερομηνία προβολής
Φεβ 03, 1988
This episode has no summary.
This episode has no summary.
Ημερομηνία προβολής
Φεβ 10, 1988
This episode has no summary.
This episode has no summary.
Ημερομηνία προβολής
Φεβ 17, 1988
This episode has no summary.
This episode has no summary.
Ημερομηνία προβολής
Μαρ 02, 1988
This episode has no summary.
This episode has no summary.
Ημερομηνία προβολής
Μαρ 16, 1988
This episode has no summary.
This episode has no summary.
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