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Saison 30
Date de diffusion
Sept 27, 1989
Season premiere: History of rubber. Includes its cultivation from wild trees.
Season premiere: History of rubber. Includes its cultivation from wild trees.
Date de diffusion
Oct 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.
Date de diffusion
Oct 11, 1989
This episode has no summary.
This episode has no summary.
Date de diffusion
Oct 25, 1989
This episode has no summary.
This episode has no summary.
Date de diffusion
Nov 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.
Date de diffusion
Nov 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.
Date de diffusion
Déc 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.
Date de diffusion
Déc 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.
Date de diffusion
Déc 19, 1989
This episode has no summary.
This episode has no summary.
Date de diffusion
Déc 26, 1989
To be confirmed
To be confirmed
Date de diffusion
Jan 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.
Date de diffusion
Jan 17, 1990
This episode has no summary.
This episode has no summary.
Date de diffusion
Fév 07, 1990
This episode has no summary.
This episode has no summary.
Date de diffusion
Fév 21, 1990
This episode has no summary.
This episode has no summary.
Date de diffusion
Mar 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.
Date de diffusion
Mar 21, 1990
This episode has no summary.
This episode has no summary.
Date de diffusion
Mar 28, 1990
This episode has no summary.
This episode has no summary.
Date de diffusion
Jun 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
Date de diffusion
Août 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
Date de diffusion
Sept 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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