Science & Technology | The Canadian Encyclopedia

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  • Article

    Logic, Epistemology, Philosophy of Science

    Philosophy: Logic, Epistemology, Philosophy of Science Logic, Epistemology, and Philosophy of Science cover a wide range of topics and issues including, epistemology, metaphysics, scientific method, science and values, and even the history of science, since there are inevitably many philosophical and conceptual issues present in the development of new ideas. The particular sciences included in this are everything from mathematics, to the natural sciences (biology, chemistry, and physics) to the social sciences (anthropology, economics, and...

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  • Article

    Lumber and Wood Industries

    Canada’s lumber and wood industries convert logs into various products, from lumber to wood chips.

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  • Article

    Mackenzie Highway

    Eighty km northwest of Enterprise, a ferry connects with the highway to Yellowknife, and connecting roads to the east serve Fort Resolution and Fort Smith. The section from Enterprise to Hay River is now a separate highway. First built as an all-weather road, some of its length has been paved.

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  • Article

    Mackenzie Valley Pipeline Proposals

    In 1970, the Canadian government introduced guidelines for the development of a pipeline corridor south from the Mackenzie River delta to Alberta and the United States. Energy companies have since proposed three separate projects to transport natural gas by pipeline along this route — the Arctic Gas Pipeline, the Foothills Pipeline and the Mackenzie Gas Project — with an oil pipeline likely to follow in the first two cases. However, due to high costs, engineering challenges, environmental concerns, Indigenous land claims and changing markets, none of these pipelines has been built. 

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  • Macleans

    Mackenzie Valley Pipeline: Maclean's

    This article was originally published in Maclean’s magazine on July 17, 2000. Partner content is not updated. Along with many other young native activists in the 1970s, Northwest Territories Premier Stephen Kakfwi cut his political teeth fighting against a proposed megaproject to build a northern pipeline through the Mackenzie Valley to the Beaufort Sea.

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  • Article

    Mackinaw Boat

    Mackinaw Boat, a strong flat-bottomed boat, pointed at each end and with a hold in the middle, was used by fur traders during the French regime for running downstream. It was later adapted for open water by the addition of 2 sails and a steering oar. By the 1870s a distinctive type, 6.7 m to 8.

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  • Macleans

    Maclean's 1998 Health Report

    This article was originally published in Maclean's Magazine on June 15, 1998

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  • Macleans

    Maclean's 2002 Health Report

    Imagine for a moment that you're a smoker who's been meaning to quit a pack-a-day habit for a while now. Or, if you can't picture yourself as a nicotine addict, maybe your doctor has been after you to trim that Molson muscle around your expanding midriff.This article was originally published in Maclean's Magazine on June 17, 2002

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  • Macleans

    Maclean's 5th Annual Health Care Rankings

    WHERE DO CANADIANS get the best health services? The fifth annual Maclean's ranking of the delivery of care across the country points ominously to a big challenge: bringing standards in less populous and rural health regions closer to the levels available in our major cities.This article was originally published in Maclean's Magazine on June 16, 2003

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    https://www.thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 Maclean's 5th Annual Health Care Rankings

  • Macleans

    Mad Cow Disease

    This article was originally published in Maclean’s magazine on April 1, 1996. Partner content is not updated.

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  • Macleans

    Mad Cow Regulations Still Outdated

    Nearly four months have passed since the discovery of a solitary case of mad cow disease threw Canada's beef business into turmoil, and what has changed?This article was originally published in Maclean's Magazine on September 22, 2003

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  • Article

    Magnetic Poles

    The north and south magnetic poles are the locations on Earth's surface where the planet's magnetic field points straight downwards (at the north magnetic pole) and upwards (at the south magnetic pole). Conventional compasses which move on a horizontal plane are useless near the magnetic poles.

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  • Article

    Malaria

    Early settlers in Ontario experienced a disease called "fever and ague," which ravaged the first European settlements such as Newark [Niagara-on-the-Lake] and Cataraqui [Kingston].

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  • Macleans

    Male and Female Brains

    It began almost by accident. In an effort to uncover the causes of dyslexia, psychologist Sandra Witelson decided in 1970 to conduct an experiment involving dyslexic and other children at a Hamilton grade school. Because dyslexia affects mostly males, Witelson planned to use boys only.This article was originally published in Maclean's Magazine on January 22, 1996

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  • Article

    Malpractice

    Malpractice is intentional or negligent failure by any professional, eg, doctor, lawyer, accountant, to meet the standards of reasonable competence in his field. These standards are set taking into account the circumstances in which the professional is acting.

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