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Macleans

Alzheimer's Gene Found

Frances Hodge was only 47 when Alzheimer's disease began to destroy her brain. The first symptoms appeared in 1975, when her memory began to fail. By the early 1980s, she could no longer talk, and in 1986 she entered a nursing home, where she remained until her death four months ago.

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Organic Agriculture

Organic agriculture is defined as the sustainable cultivation of land for food production that nourishes soil life, nurtures animals in their natural environment and feeds them according to their physiology.

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Crops

Crops are plant species grown for human or animal consumption or for special purposes (e.g., flax, tobacco). In Canada, most major crops grown are used for food and feed.

Macleans

Genetically Modified Food Debate

This article was originally published in Maclean’s magazine on October 18, 1999. Partner content is not updated.

In keeping with the message, the medium was suitably high-tech: a transatlantic encounter conducted live by television satellite. Up on the giant screen in the London conference hall, Robert Shapiro, chief executive officer of the Monsanto Co.

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Genetics

Genetics may be conveniently divided into 3 areas of study: transmission genetics, molecular genetics and population genetics.

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Gender Identity

The term “gender identity” refers to an individual’s sense of their own gender, or the gender they feel is most in keeping with how they see themselves.

Article

Canada and the Development of the Polio Vaccine

During the first half of the 20th century, poliomyelitis, a.k.a. polio or “The Crippler,” hit Canada harder than anywhere else. Successive polio epidemics peaked in a national crisis in 1953. By that time, however, scientists at Connaught Medical Research Laboratories of the University of Toronto had made key discoveries that enabled American medical researcher and virologist Jonas Salk to prepare the first polio vaccine. Connaught Labs also solved the problem of producing the vaccine on a large scale. Canada went on to play an important role in the development of the oral polio vaccine and international efforts to eradicate the disease.

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