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Temporada 39
Fecha de emisión
Oct 08, 1998
The program is about the natural history of this invisible world: the things that float in the air around us, the microbes that live in the dish cloth on the kitchen counter, the fungi
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The program is about the natural history of this invisible world: the things that float in the air around us, the microbes that live in the dish cloth on the kitchen counter, the fungi under our fingernails, and the visitors in the saucer under a house plant.
Fecha de emisión
Oct 15, 1998
There is a growing number of people who regard marijuana (cannabis) as a benign medicine, offering relief to people suffering from a variety of illnesses, including epilepsy, arthritis,
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There is a growing number of people who regard marijuana (cannabis) as a benign medicine, offering relief to people suffering from a variety of illnesses, including epilepsy, arthritis, multiple sclerosis and glaucoma as well as lessening the side effects of medications and treatments given to cancer and HIV patients. CBC Television's THE NATURE OF THINGS with David Suzuki examines the medicinal uses of marijuana.
Fecha de emisión
Nov 05, 1998
Over the last 200 years, the prairie grasslands of North America have undergone a radical transformation. The fertile soil, formed slowly over thousands of years, has been taken over by
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Over the last 200 years, the prairie grasslands of North America have undergone a radical transformation. The fertile soil, formed slowly over thousands of years, has been taken over by agriculture for crops like grain, oil seeds and forages for livestock. The buffalo have gone, replaced by millions of cattle. Breaking up the soil and removing the protective layer of grass has created severe erosion. Heavy machines compact the soil, limiting its ability to store precious moisture. Exposed to the air, soil dries to a powder and blows away. It was a frenetic period of transcontinental railway construction in the 1900s that opened the centre of the continent to millions of settlers.
Fecha de emisión
Nov 26, 1998
A focus on Honduras and the important link between this country, Mexico, the US and Canada.
A focus on Honduras and the important link between this country, Mexico, the US and Canada.
Fecha de emisión
Dic 03, 1998
It is only recently that humans have become aware that animal communication is often elegant, elaborate and subtle. Understanding how other species communicate tells us a great deal about the history and evolution of our species.
It is only recently that humans have become aware that animal communication is often elegant, elaborate and subtle. Understanding how other species communicate tells us a great deal about the history and evolution of our species.
Fecha de emisión
Ene 21, 1999
Chimps are getting Hepatitis B and it is a serious health problem, which usually leads to death in the species. They pick up the disease from handlers and experimenters when held in
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Chimps are getting Hepatitis B and it is a serious health problem, which usually leads to death in the species. They pick up the disease from handlers and experimenters when held in captivity. A startling look at the use of our closest living relatives for science.
Fecha de emisión
Ene 28, 1999
The domestic dog has a special place in the human world. Is it by accident or design? All breeds of dogs trace their ancestry back to a common wolf-like creature that lived some 12
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The domestic dog has a special place in the human world. Is it by accident or design? All breeds of dogs trace their ancestry back to a common wolf-like creature that lived some 12 thousand years ago. But what was it that lead to the growth of such an extraordinary array of different progeny?
Fecha de emisión
Feb 11, 1999
Scoliosis or curvature of the spine is found worldwide in about one out of every 10 people. Nearly all cases occur in adolescent females. It's a lifetime condition that can't be
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Scoliosis or curvature of the spine is found worldwide in about one out of every 10 people. Nearly all cases occur in adolescent females. It's a lifetime condition that can't be prevented or cured. At best it may be stabilized with bracing or surgery. but in the more severe cases, there's no telling when it may start to progress again.
Fecha de emisión
Feb 18, 1999
In some ways Mars is like Earth: there are clouds, wind, fog and frost. But it's also as cold as Antarctica, its atmosphere is poisonous to humans, and the sky glows pink with billions
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In some ways Mars is like Earth: there are clouds, wind, fog and frost. But it's also as cold as Antarctica, its atmosphere is poisonous to humans, and the sky glows pink with billions of suspended dust particles. Some scientists believe the planet's ecology could be re- engineered to make it habitable for Earth's life forms. This would be humanity's greatest adventure, a mission unlike any we've ever known.
Fecha de emisión
Feb 25, 1999
What age group is the fastest growing segment in our society? Teenagers, boomers, infants? Guess again...centenarians. People living into their 100s are not uncommon these days. Why are
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What age group is the fastest growing segment in our society? Teenagers, boomers, infants? Guess again...centenarians. People living into their 100s are not uncommon these days. Why are so many surviving longer? Is living to 100 within everyone's reach?
Fecha de emisión
Mar 04, 1999
The Spanish flu reserved its special virulence not for children and the elderly but for those in the prime of life. In just a few months it killed more people than the ones that died in
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The Spanish flu reserved its special virulence not for children and the elderly but for those in the prime of life. In just a few months it killed more people than the ones that died in World Wars I and II, Vietnam and Korea combined. In the intervening years there has always remained the threat of a similar killing plague. If it hit again, the medical profession would still have been powerless.
Fecha de emisión
Mar 11, 1999
In 1956, Russian tanks rolled down the streets of Budapest. Castro began fighting his way to power in Cuba and North American women kept house in an era known as the baby boom.
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In 1956, Russian tanks rolled down the streets of Budapest. Castro began fighting his way to power in Cuba and North American women kept house in an era known as the baby boom. Meanwhile, a drug trial being conducted on the island of Puerto Rico would eventually revolutionize pregnancy and be called "The Pill".
Fecha de emisión
Abr 08, 1999
What is Canada's role in solar power? We're on the leading edge of fuel cell development but what about wind and solar? Most of our national wind energy output can be assessed at one
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What is Canada's role in solar power? We're on the leading edge of fuel cell development but what about wind and solar? Most of our national wind energy output can be assessed at one glance here on the eastern slopes of the rockies. In the meantime, 40 countries around the world boast wind energy programs while Canada has none. Why do we snub a potential jobs and a new sector. David Suzuki argues that Canada has no national renewable energy policy or subsidies.
Fecha de emisión
Abr 15, 1999
What are your wonders of the world? See what some experts have to offer as today's wonders of the world, including the bicycle and the linguistic genius of children. Tonight we'll meet
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What are your wonders of the world? See what some experts have to offer as today's wonders of the world, including the bicycle and the linguistic genius of children. Tonight we'll meet three outstanding scientists and hear their very personal stories of scientific curiosity, discovery and wonder.
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