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Saison 33
Date de diffusion
Nov 04, 1992
Alberta ranchers fear that a bison herd in Wood Buffalo National Park carries communicable diseases.
Alberta ranchers fear that a bison herd in Wood Buffalo National Park carries communicable diseases.
Date de diffusion
Nov 11, 1992
Examining the relationship between illness and stress.
Examining the relationship between illness and stress.
Date de diffusion
Nov 18, 1992
Environmentalists, the oil industry and politicians debate drilling for oil in Alaska's Arctic National Wildlife Refuge.
Environmentalists, the oil industry and politicians debate drilling for oil in Alaska's Arctic National Wildlife Refuge.
Date de diffusion
Nov 25, 1992
Poet Roger McGough explains the chemical elements.
Poet Roger McGough explains the chemical elements.
Date de diffusion
Déc 02, 1992
Raccoons thrive in Toronto; scientists study natural interactions dependent upon milkweed.
Raccoons thrive in Toronto; scientists study natural interactions dependent upon milkweed.
Date de diffusion
Déc 16, 1992
Overfishing and other man-made problems threaten the oceans.
Overfishing and other man-made problems threaten the oceans.
Date de diffusion
Déc 23, 1992
Toys play a role in childhood development and help children learn to cope with a complex world.
Toys play a role in childhood development and help children learn to cope with a complex world.
Date de diffusion
Jan 06, 1993
Gisele Benoit observes moose.
Gisele Benoit observes moose.
Date de diffusion
Jan 20, 1993
How memory works, and the role it plays in our lives.
How memory works, and the role it plays in our lives.
Date de diffusion
Jan 27, 1993
Anthropologist Dr. Shirley Strum reveals the social behavior of a troop of African olive baboons known as the ``Pumphouse Gang.''.
Anthropologist Dr. Shirley Strum reveals the social behavior of a troop of African olive baboons known as the ``Pumphouse Gang.''.
Date de diffusion
Fév 03, 1993
New research addresses the causes of diabetes and its treatment.
New research addresses the causes of diabetes and its treatment.
Date de diffusion
Fév 16, 1993
The life cycle of the baboon.
The life cycle of the baboon.
Date de diffusion
Fév 24, 1993
A natural park protecting one of the world's last remaining undamaged coral reefs is located off the coast of Egypt.
A natural park protecting one of the world's last remaining undamaged coral reefs is located off the coast of Egypt.
Date de diffusion
Mar 24, 1993
Scientists study the role of hormones in disease prevention and treatment.
Scientists study the role of hormones in disease prevention and treatment.
Date de diffusion
Mar 31, 1993
Close-up photography shows the plants and animals that inhabit the bogs of the world, including orchids, mosses and carnivorous plants.
Close-up photography shows the plants and animals that inhabit the bogs of the world, including orchids, mosses and carnivorous plants.
Date de diffusion
Mai 30, 1993
Global warming may cause rising sea levels and agricultural disaster.
Global warming may cause rising sea levels and agricultural disaster.
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