Indoor pollutants that can be found close at hand.
Operation Migration leads a flock of whooping cranes on an ultralight-led journey from Wisconsin to Florida.
Men and women who have clinical depression discuss their experiences about the misunderstood illness.
Researchers seek benign, sustainable ways to meet people's needs for food, materials, medicine and energy.
Biomimics conduct research to uncover insights on how life occurs.
Interviews with past hosts accompany clips of 43 years of the show.
Researchers question why pain becomes chronic for some people but not others.
Wiki: Jo'burg; A View From the Summit marks the final episode of The Nature of Things 2002/2003 season. The Nature of Things will continue to be repeated on Sundays at 3PM (EST) on CBC.
A couple in northern Quebec who have opened a shelter for injured wild animals that cannot be released back into the wild.
Recent discoveries made by the scientific community with respect to the power of hypnosis.
The world's most impressive and inspiring wild landscapes and natural marvels.
Nicolas Baudin and Matthew Flinders' exploration and colonization of Terra Australis.
Nicolas Baudin and Matthew Flinders' exploration and colonization of Terra Australis.
The World Health Organization battles to contain the SARS virus.
The heliconia, an exotic plant which provides a home and food for many creatures in the jungles of Latin America.
Dr. Bryan Fry takes an up close look at a little know species of snakes known as the ``Niue Sea Krait.''.
The Sayisi Dene people of Tadoule Lake in northern Manitoba are a people with a nomadic history of following and hunting the caribou. In 1956, the federal government forced them to give up their ways and move to Churchill, Manitoba. What followed was many years of hardship, more re-location, and eventually a return to their homeland.
The unlikely epic of 43 km of sand and 500 years of history: Sable Island, off the shores of Nova Scotia.
Easter Island is the most remote inhabited place on our planet. For 1,500 years, this isolation has acted as both a shelter for - and a curse upon - the island's indigenous Rapa Nui people.