The Nature of Things Season 10, Episode 28: Physical Sciences: Laser

Danger: Man At Work - In The Balance

Part a six-part series on pollution. This program shows how comparatively new science of ecology has shown fate of life on earth lies in balance.

Danger: Man At Work - The Urban Crisis

Part two of a six-part series on pollution. The ways man has succeeded, and failed, to duplicate in his cities checks and balances of natural environment.

Danger: Man At Work - Water

The third program in a six-part series about pollution. This program shows how water is distributed.

Danger: Man At Work - Air Pollution

Fourth program in a six-part series on pollution. The program show history of air pollution from advent of coal-burning in 14th Century.

Danger: Man At Work - Pesticides

Fifth in a six-part series on pollution. All pesticides are poisonous in greater or lesser degrees.

Danger: Man At Work - The Global Crisis

Final program of a sub-series on pollution and conservation. This program offers statements and observations by experts on extent of pollution in world today and what can be done to improve it.

The Ages Of Man: A Day In The Life Of A G.P.

A 24-hour day in life of a young family physician, Dr Reg Perkin, covering everything from his 7 am jogging to his 10 am tonsillectomy operation.

The Ages Of Man: A Breath Of Life

Every year, over 12,000 Canadians are born with serious inherited defects. Maureen McChesney, 12, is one.

The Ages Of Man: The Attack On Cancer

This program focuses on research into effects of drugs on cancers in mice being conducted by internationally renowned cancer team at Toronto's Princess Margaret Hospital.

The Ages Of Man: Drugs

A study of how medical researchers are using animals to determine effect of drugs such as marijuana and LSD, and.

The Ages Of Man: The Cell

The theme of biology for past 20 years has been origin of biological constancy. The theme of next 20 years will be origin of biological diversity.

The Ages Of Man: Arthritis

One quarter of all Canadians will be affected some time in their lives by arthritis.

The Ages of Man: Decade Science Review

The Ages Of Man: Heart Disease

A look at coronary thrombosis which kills three out of ten adults; heart research in Canada.

The Ages Of Man: Transplants

History and research in field of organ transplants.

The Ages Of Man: A Definition Of Death

When is a man dead? Canadian physicians discuss medical, ethical and legal questions involved with death, organ transplants.

Wild Africa: As It Was

A look at luxuriant parks and reserves where various species of wild animals and birds still survive.

A Sense Of Time

First in a three-part series visiting some of Canada's 700 museums in an attempt to show how people of all ages use them for self-discovery.

Wild Africa: Something New

Africa as it was during 18th and 19th centuries. Final program in this season's series.

A Sense Of Time

Second in a series of three programs on Canada's museums. This program presents views from adults - those who feel past has no relevance to their lives, and others who find themselves culturally enriched by past.

A Sense Of Time

A look "backstage" at Ontario Science Center, Royal Ontario Museum and Old Fort Henry.

Oceanography

Recent advances in oceanography.

Continental Drift

The theory that Earth's continents are moving is examined.

Sense Substitution

Research on new electronics and mechanical devices to help blind and deaf realize true sensory perception.

Physical Sciences: Stellar Evolution

The latest observations of astronomers have turned up new kinds of stars; mysterious emanations from deep in space called pulsars and quasars.

Physical Sciences: Making Waves

Research into physics of sound and hearing has caused increasing alarm among scientists and physicians about effects of high noise levels upon people, and destructive psychological and physical effects of constant noise pollution.

Physical Sciences: Energy Conversion

The physics of energy and problem of producing large quantities of energy with little pollution form basis of this program.