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Article

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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V-chip Technology

Tim Collings is one of those techies who uses the word "neat" as often as some Canadians use "eh." A soft-spoken engineering instructor at Simon Fraser University in Burnaby, B.C., the 34-year-old Collings clearly gets excited by gadgetry.

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Nursing

Marie Rollet Hébert [Hubou] has been credited with being the first person in what is now Canada to provide nursing care to the sick. The wife of Louis HÉBERT, a surgeon-apothecary, she arrived in Québec in 1617 and assisted her husband in caring for the sick.

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Keystone XL Pipeline

Keystone XL was a proposed 1,947 km long pipeline project that would have carried crude oil from Alberta to Nebraska. It was owned by Calgary-based TC Energy Corporation. The pipeline was named XL for “export limited.” First proposed in July 2008, it was the prospective fourth phase of TC Energy’s existing Keystone Pipeline system. In Canada, Keystone XL had the support of both the federal and Alberta governments. However, the project faced significant opposition and legal challenges on environmental grounds. In January 2021, United States president Joe Biden cancelled its permit on his first day in office. On 9 June 2021, TC Energy and the Alberta government announced the termination of the Keystone XL pipeline.

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Telidon

Telidon, a combination of the Greek words meaning "to know at a distance," was a waypoint en route to the Internet and was an early demonstration of how technology can provide on-demand access to information.

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Influenza (Flu) in Canada

Influenza, often referred to as the flu, is a common, contagious respiratory illness. There are four types of influenza viruses: A, B, C and D. While influenza A, B and C viruses can infect humans, influenza D is believed to primarily affect animals such as cattle and pigs. Influenza C is rare in comparison to influenza A and B, which are the main sources of the “seasonal flu,” or the viruses that circulate in Canada and other countries each winter. Influenza A is also the source of flu pandemics. Canada has experienced five influenza pandemics since the late 19th century, in 1890, 1918, 1957, 1968 and 2009. In Canada, influenza causes an estimated 12,200 hospitalizations and 3,500 deaths each year.

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Gates Under Siege

They came by the thousands last week, a ragtag army of pasty-faced computer geeks in sandals and T-shirts, streaming into the San Jose Convention Center in California's Silicon Valley to honour the 29-year-old hacker from Helsinki who might just be the one to dethrone Bill Gates.

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Ontario Implements Tax Break

It was perhaps ironic that Ontario's controversial Conservative government could not even cut taxes without sparking an agonized debate. Eleven months after Premier Mike Harris swept to power, he fulfilled a key election promise in last week's budget, introducing the first stages of a 30.

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Dorothea Palmer

Dorothea Ferguson (née Palmer), birth control advocate, social worker (born 1908 in England; died 5 November 1992 in Ottawa, ON). Dorothea Palmer was arrested in 1936 for advertising birth control to women in a working-class neighbourhood in Ottawa. She was cleared of charges after a lengthy trial proved her work had been for the public good. Her acquittal was a major victory for the birth control movement in Canada.

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Botulism

Human botulism can occur primarily as food-borne botulism, infant botulism or wound botulism.

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Chiropractic

Chiropractic is the manipulation of the spinal column as a means of curing disease. The word comes from the Greek chiro ("hands") and practic ("to practice"). The theory of chiropractic originated with D.D. Palmer, who was born in Port Perry (Ontario) in 1845.

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AIDS

Illnesses that this infection can produce include a transient disease, developing within several months of exposure. It is characterized by rash, fever, malaise, joint pains and lymphadenopathy (swollen lymph nodes).

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Grain Handling and Marketing

There are approximately 120 000 grain-producing farms in Canada. Yearly production varies substantially, depending on climatic conditions. Grain production has doubled since the 1950s, with wheat making up a large percentage of production. In 1997-98, total Canadian wheat exports were 15.