Browse "Science & Technology"

Displaying 271-285 of 846 results

  • Article

    Energy in Society

    Energy plays a unique and critical role in the world; no activity of any kind (no "work") can take place without the movement or conversion of energy.

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  • Article

    Energy Policy

    Energy policy comprises government measures concerned with the production, transportation and use of energy commodities. Governments may adopt energy policies to meet goals such as economic growth, the distribution of income, industrial diversification and the protection of the ENVIRONMENT.

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  • Article

    Energy Resources Conservation Board

    Established by the Government of Alberta in 1938 and known first as the Petroleum and Natural Gas Conservation Board.

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  • Article

    Engineering

    To some extent, the history of engineering is the history of humanity's progress in using tools and observations on the nature of matter to overcome physical limitations and to modify, harness and control the natural environment.

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  • Article

    Entomology

    Entomology is the branch of zoology dealing with the study of insects, although which organisms are included is open to interpretation. 

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  • Article

    Epidemics in Canada

    An epidemic occurs when an infectious disease spreads rapidly throughout a community at a particular time. Several epidemics have occurred over the course of Canadian history, the most disastrous being those which affected Indigenous peoples following the arrival of Europeans. Click here for definitions of key terms used in this article.

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  • Article

    Epidemiology

    Epidemiology is the branch of medical science devoted to the study of the distribution and determinants of diseases in populations. Descriptive and analytic epidemiology are observational, whereas clinical epidemiology is experimental in nature.

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  • Article

    Algoma Steel Inc.

    Algoma Steel Inc. is a major steel producer based in Sault Ste. Marie, Ontario. Its principal products are steel plate and sheet for various industries, including automotive, construction and manufacturing. The company employs more than 2,900 people in Sault Ste. Marie.

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  • Article

    Estrogen (Conjugated Estrogens CSD)

    Conjugated Estrogens CSD (Canadian Standard Drug) is a female sex hormone complex produced primarily in the ovaries. Many of the female body's vital metabolic and physiologic processes are controlled by estrogen.

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  • Article

    Eugenics in Canada

    Eugenics is a set of beliefs and practices aimed at improving the human population through controlled breeding. It includes “negative” eugenics (discouraging or limiting the procreation of people considered to have undesirable characteristics and genes) and “positive” eugenics (encouraging the procreation of people considered to have desirable characteristics and genes). Many Canadians supported eugenic policies in the early 20th century, including some medical professionals, politicians and feminists. Both Alberta (1928) and British Columbia (1933) passed Sexual Sterilization Acts, which were not repealed until the 1970s. Although often considered a pseudoscience and a thing of the past, eugenic methods have continued into the 21st century, including the coerced sterilization of Indigenous women and what some have termed the “new eugenics” — genetic editing and the screening of fetuses for disabilities.

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  • Editorial

    Eugenics: Pseudo-Science Based on Crude Misconceptions of Heredity

    The following article is an editorial written by The Canadian Encyclopedia staff. Editorials are not usually updated. "Great men are almost always bad men," Lord Acton famously said. If that is so, we are going to have to tolerate flaws if we want to celebrate "great" Canadians. The eugenics movement of the early 20th century particularly tries our tolerance of several of our textbook heroes.

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  • Article

    Evolution

    Modern understanding of evolution began in 1859 with publication of Charles Darwin's On the Origin of Species by Means of Natural Selection.

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  • Article

    Exhibitions

    Historical IntroductionExhibitions by definition are displays shown for a limited time period, either in one location or on tour, unlike permanent or changing displays in museums.

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  • Article

    Experimental Farm

    Experimental Farm, see RESEARCH STATIONS.

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  • Macleans

    Exploring Mars

    Driver required to operate robotic rover from 190 million kilometres away. Must be able to negotiate vehicle across rock-strewn martian terrain using commands that take 11 minutes to arrive. Experience with computer games an asset.This article was originally published in Maclean's Magazine on July 21, 1997

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