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Early-Warning Radar

Air-defence radar stations were first established in Canada along the Atlantic and Pacific coasts in 1942, but were dismantled following the defeat of Germany and Japan in 1945.

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Agriculture and Food

Canada's agriculture and food industries have changed greatly in the years since the Second World War. Growth in Canada’s economy, and associated social changes, have altered the way food is produced, processed, handled, sold and consumed.

Macleans

Canadian Health Worsening

Sarah Hamid considered herself a "happy-go-lucky person." A straight-A student with a loving family and a scholarship at Simon Fraser University in Burnaby, B.C., she loved the campus clubs and thrived on sports.

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Hydrology

Quantitative measurements of rainfall, snowfall, the rate at which water penetrates into and moves through soil, streamflow, the rise and fall of LAKE and GROUNDWATER levels, and the evapotranspiration of water into the atmosphere are vital.

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Geomatics Canada

Geomatics Canada, along with the Geological Survey of Canada and the Polar Continental Shelf Project, became part of the Earth Sciences Sector of the Department of Natural Resources in the mid-1990s. It was formerly known as the Surveys, Mapping and Remote Sensing Sector.

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Weather Forecasting

Most modern meteorologists attempt to cope with physical processes by expressing them mathematically, ie, by creating mathematical models of the atmosphere. Powerful computers are then used to solve problems.

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Maritime Archaeology

  British ColumbiaIn BC, most work has been carried out by the Underwater Archaeological Society of British Columbia (UASBC), a large, successful and mostly avocational group that was formed in 1975. The UASBC's has published seven regional shipwreck inventories.

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Sweat Lodge

Sweat lodges are heated, dome-shaped structures used by Indigenous peoples during certain purification rites and as a way to promote healthy living.

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Disease

In recent years genetic diseases have become better understood since they are dependent on a fault in the normal gene sequence that controls body activities.

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Bacteria

Bacteria are microscopic single-celled organisms capable of rapid growth and division.

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Canadarm

The Canadarm was a remote-controlled mechanical arm, also known as the Shuttle Remote Manipulator System (SRMS). During its 30-year career with NASA’s Space Shuttle Program, the robotic arm deployed, captured and repaired satellites, positioned astronauts, maintained equipment, and moved cargo.

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Biochemistry

Biochemistry, encompasses the study of the chemical nature of living material and of the chemical transformations that occur within it.

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Medicinal Crops

About a third of the world's estimated 400 000 species of higher or vascular plants have probably been used for medicinal purposes by indigenous societies, generally in a raw or minimally processed form.

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Canadian Aviation Disasters

There have been many tragic events in Canada’s aviation history. Some of these have involved Canadian aircraft, commercial as well as non-commercial. In other cases, many Canadians have died in the crash of a non-Canadian aircraft. Crashes that occurred over Canadian soil, or search and rescue efforts in which Canadians have played a large part, are also part of this history.