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Article

Beaver (Steamer)

From 1862 to 1874 the HBC trader became Her Majesty's Hired Survey Ship Beaver. After the HBC sold the ship in 1874, it was used as a workhorse and tow until 1888, when it was wrecked in the First Narrows in Vancouver harbour. Only a few relics remain.

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Uranium

Uranium oxide was first identified in 1789 by M.H. Klaproth in the MINERAL pitchblende, but its distinctive property of radioactivity was discovered much later (1896) by Henri Becquerel.

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Astrophysics

Astrophysicists use many branches of physics: nuclear physics to study power-generation in stars; atomic physics to understand the spectra of stars and gaseous nebulae; and gas laws and magnetic theory to probe starspots and flares on star surfaces.

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Arthritis Society

The Arthritis Society is the only registered nonprofit agency in Canada devoted solely to funding and promoting arthritis research, patient care and public education. The Canadian Arthritis and Rheumatism Society, as the society was called until 1977, was founded on 14 October 1947.

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Medical Anthropology

Medical anthropology is the study of interactions between culture and health. Medical anthropologists are interested in how a person's cultural background influences his or her experiences with health, illness and medical systems.

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Manufacturing in Canada

Manufacturing is a critical component of Canada’s economy. The production, sale and distribution of finished products contribute to consumer and labour markets, and secure Canada’s position as an economic leader among developed nations. Major, medium-sized and small manufacturers produce goods used by Canadians and contribute to the revenue gained from the export of goods to other countries. Since the early 2000s, the manufacturing sector in Canada has declined significantly in response to changes in the global economy and fewer regulatory controls over Canadian products (see Free Trade; Globalization). The composition and structure of the Canadian manufacturing industry is transitioning in response to these changes, aiming to produce new goods that are in greater demand.

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Iron Ore

Its most important mineral forms are magnetite (Fe3O4, 72.4% Fe), hematite (Fe2O3, 69.9% Fe) and siderite (FeCO3, 48.29% Fe). In Brazil, some ore that contains practically no other minerals can grade as high as 68% Fe, but the crude ore mined in Canada grades between 30 and 44% Fe.

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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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Canadair Challenger

Canadair Challenger, corporate executive aircraft developed and built in Canada. Exhaustive testing resulted in an advanced wing design, broad body and quiet, efficient engines. It carries up to 19 passengers at a normal cruise speed of 819 km/h.

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Cadmium

Cadmium (Cd) is a soft, ductile, silvery white metal that melts at 320.9°C and is present in the earth's crust at 0.1-0.5 parts per million. The most common cadmium MINERAL, greenockite (CdS), is generally found in zinc-bearing ores and is recovered as a by-product during processing.

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Insulin

 Insulin is the most potent hormone of fuel storage, affecting carbohydrate, fat and protein throughout the body. Acting through binding to receptors on cell membranes, the principal targets of insulin are in liver, fat and muscle.

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Opting-Out

Opting-Out originated as a device by which one or more provinces choose not to participate in a federal-provincial shared cost program; instead the province receives direct payment (in cash or tax room) of funds which would have been spent there.

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Birchbark Canoe

The birchbark canoe was the principal means of water transportation for Aboriginal peoples of the Eastern Woodlands, and later voyageurs, who used it extensively in the fur trade in Canada.

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Alberta Research Council

The Alberta Research Council, the oldest provincial research organization, was established by order-in-council as the Scientific and Industrial Research Council of Alberta in 1921. Instrumental in founding the organization were J.L. COTÉ, provincial secretary, and H.M.

Macleans

Book Review: The Drug Trial

WARS, EVEN THOSE FOUGHT on principle, are invariably sordid affairs. And so appears to have been the case with the all-out battle waged between Nancy Olivieri, a respected physician and scientist at Toronto's Hospital for Sick Children, and Apotex, one of Canada's biggest pharmaceutical companies.

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Food Additives

Consumers normally consider that the term "food additive" refers to almost all substances, primarily chemical in nature, added to foods during production, manufacture, packaging or storage.