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Σεζόν 30
Ημερομηνία προβολής
Σεπ 27, 1989
Season premiere: History of rubber. Includes its cultivation from wild trees.
Season premiere: History of rubber. Includes its cultivation from wild trees.
Ημερομηνία προβολής
Οκτ 04, 1989
A look at the human sense of balance; the Toronto Island Public and Natural Science School.
A look at the human sense of balance; the Toronto Island Public and Natural Science School.
Ημερομηνία προβολής
Οκτ 11, 1989
This episode has no summary.
This episode has no summary.
Ημερομηνία προβολής
Οκτ 25, 1989
This episode has no summary.
This episode has no summary.
Ημερομηνία προβολής
Νοέ 15, 1989
Report on the problems of air traffic at airports in Toronto and Atlanta and about the fixes that require it.
Report on the problems of air traffic at airports in Toronto and Atlanta and about the fixes that require it.
Ημερομηνία προβολής
Νοέ 22, 1989
Researchers struggle to protect a reserve for peregrine falcons; the milkweed plant is part of a complex living network.
Researchers struggle to protect a reserve for peregrine falcons; the milkweed plant is part of a complex living network.
Ημερομηνία προβολής
Δεκ 06, 1989
The conservation of rare breeds of farm animals, and the feeding behaviour of the phalarope, an unusual shorebird.
The conservation of rare breeds of farm animals, and the feeding behaviour of the phalarope, an unusual shorebird.
Ημερομηνία προβολής
Δεκ 13, 1989
Folder on two paper mills in British Columbia that pollute with impunity Howe Sound a few kilometers north of Vancouver.
Folder on two paper mills in British Columbia that pollute with impunity Howe Sound a few kilometers north of Vancouver.
Ημερομηνία προβολής
Δεκ 19, 1989
This episode has no summary.
This episode has no summary.
Ημερομηνία προβολής
Δεκ 26, 1989
To be confirmed
To be confirmed
Ημερομηνία προβολής
Ιαν 03, 1990
The human invests a lot in the war games, such as poker or other more elaborate games. Mathematical analysis of these games allowed
the discovery of elements that could help resolve quickly armed conflict.
The human invests a lot in the war games, such as poker or other more elaborate games. Mathematical analysis of these games allowed
the discovery of elements that could help resolve quickly armed conflict.
Ημερομηνία προβολής
Ιαν 17, 1990
This episode has no summary.
This episode has no summary.
Ημερομηνία προβολής
Φεβ 07, 1990
This episode has no summary.
This episode has no summary.
Ημερομηνία προβολής
Φεβ 21, 1990
This episode has no summary.
This episode has no summary.
Ημερομηνία προβολής
Μαρ 14, 1990
Host David Suzuki and narrator Angela Fusco present this program on the deterioration of paper in old books around the world. At least one-third of the world's books are turning into
.. show full overview
Host David Suzuki and narrator Angela Fusco present this program on the deterioration of paper in old books around the world. At least one-third of the world's books are turning into particles and dust as they become embrittled. This program describes various methods of book preservation, including re-binding, photocopying, de-acidification and creating micro-fiche copies.
Ημερομηνία προβολής
Μαρ 21, 1990
This episode has no summary.
This episode has no summary.
Ημερομηνία προβολής
Μαρ 28, 1990
This episode has no summary.
This episode has no summary.
Ημερομηνία προβολής
Ιουν 20, 1990
The Arctic National Wildlife Refuge, a wilderness against the Canada/U.S. border that is the calving grounds of caribou, is threatened by the U.S. Department of the Interior's plans to develop the land for oil
The Arctic National Wildlife Refuge, a wilderness against the Canada/U.S. border that is the calving grounds of caribou, is threatened by the U.S. Department of the Interior's plans to develop the land for oil
Ημερομηνία προβολής
Αυγ 01, 1990
The reasons behind the impending extinction of the black rhino are explored
The reasons behind the impending extinction of the black rhino are explored
Ημερομηνία προβολής
Σεπ 05, 1990
Film clips from three decades reflect changing views of the world.
Film clips from three decades reflect changing views of the world.
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