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Article

Automobile

Few inventions have left as profound a mark on the world as the automobile. The first automobiles built in Canada were regarded as novelties, but the Canadian automotive industry eventually expanded to become one of the country’s significant manufacturing and exporting sectors. Assembly-line production helped reduce the cost of automobiles and made it possible for more individuals to purchase them. The rise of the automobile has impacted travel and it has necessitated research and regulations into pollution, safety standards and sustainability (see Transportation; Traffic Law in Canada).

Article

Agriculture in Canada

Agriculture is the practice of growing crops and rearing animals mainly for food. Farmers also produce other items such as wool from sheep and CBD oil from hemp plants.

In Canada, agriculture is an important industry. Only about 7 per cent of Canada’s land can be farmed. Other marginal (poorer) land can be used to ranch cattle. Aquaculture operations are found on the East and West Coasts and in the Great Lakes. Some crops such as tomatoes, cannabis and flowers are grown in greenhouses in urban centres. Canadian agriculture faces many challenges. Some of these challenges concern crop protection, soil conservation, labour, climate change and health.

Click here for definitions of key terms used in this article.

Article

Physics

Physics is the study of matter and radiation, the space-time continuum that contains them, and the forces to which they are subject.

Article

Five Digital Technologies and their Challenges

In the span of several decades, digital technologies have changed how Canadians work, communicate, consume products and access information. Although technologies like self-driving cars and the Internet of Things may seem advanced, many such tools are still in their early stages. With the growth of the digital economy, digital technologies will continue to present opportunities and challenges. Here’s a look at five of these technologies and some of the risks that come with them.

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.

Click here for definitions of key terms used in this article.

Article

Spectroscopy

Spectroscopy is the field of study that examines, measures and interprets the electromagnetic spectra produced when radiant energy is emitted or absorbed by a substance. Spectroscopic methods are important in performing chemical analyses of substances and are used in astronomical studies.

Article

Internet in Canada

The Internet is a global network of computers that communicate with each other. This exchange happens through a set of rules called protocols. Since Internet use became widespread in the 1990s, the system has affected most aspects of life. It has had both productive and destructive effects. The Internet has changed the way Canadians learn and work, buy products and services, communicate and consume entertainment. Most people think of the Internet as the World Wide Web. However, it takes a number of different forms, including networked physical objects called the Internet of Things.

Click here for definitions of key terms used in this article.

Macleans

Viagra Craze

This article was originally published in Maclean's Magazine on May 4, 1998. Partner content is not updated.

In December, 1994, Lorne had just turned 40 and life was good. Married, he had two young children, a house near Vancouver and a job he enjoyed. Then disaster struck: as he changed a tire on his car beside a roadway, another automobile hit him.


Article

Bomarc Missile Crisis

The CIM-10B Bomarc was the world’s first long-range, nuclear capable, ground-to-air anti-aircraft missile. Two squadrons of the missile were purchased and deployed by the Canadian government in 1958. This was part of Canada’s role during the Cold War to defend North America against an attack from the Soviet Union. Prime Minister John Diefenbaker’s refusal to equip the missiles with nuclear warheads led to a souring of Canada’s relationship with the United States, especially once the Cuban Missile Crisis brought the issue to the fore. The issue split Diefenbaker’s Cabinet and contributed to his party losing the 1963 election.

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AES-90

The AES-90 word processor was an innovation released by the Montreal-based technology company Automatic Electronic Systems Inc. in 1972. The new machine was a pioneer within its generation that not only revolutionized office automation, but also set the trend for the design of word processors around the world.

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Pandemics in Canada

A pandemic is an outbreak of an infectious disease that affects a large proportion of the population in multiple countries or worldwide. Human populations have been affected by pandemics since ancient times. These include widespread outbreaks of plague, cholera, influenza and, more recently, HIV/AIDS, SARS and COVID-19. In order to slow or stop the spread of disease, governments implement public health measures that include testing, isolation and quarantine. In Canada, public health agencies at the federal, provincial and municipal levels play an important role in monitoring disease, advising governments and communicating to the public.

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Cardiac Pacemaker

In 1950, one of Canada’s greatest medical innovations was developed at the University of Toronto’s Banting Institute. Cardiac surgeon, Dr. Wilfred Bigelow and research fellow, Dr. John Carter Callaghan were trying to understand how hypothermia (see Cold-Weather Injuries) could slow the beating of an animal’s heart before surgery. They were also looking for a way to stimulate the heart when it faltered as it cooled. This largely unknown area of research could have tremendous applications for humans. The doctors partnered with Dr. John A. Hopps from the National Research Council of Canada, who created a portable artificial external pacemaker. It was designed to send electric pulses to the heart, which caused the heart to contract and pump blood to the body. The device was successfully tested on a dog in 1950. This landmark discovery paved the way for the use of implantable pacemakers in humans.

Article

Firearms

For many centuries, a legend has persisted that gunpowder was invented in China. Until recently, however, there was no real proof to support the story. In 1986, a team of researchers headed by Dr. Joseph Neeham at Cambridge University published the necessary evidence.

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Archaeological Survey of Canada

The Archaeological Survey of Canada (ASC) was established in 1971. It is the division of the Canadian Museum of History that deals with the archaeological heritage of Canada. The major goals of the ASC are to preserve archaeological sites, research into the history of Canadian Indigenous peoples and present the results of archaeological research to the public, through publications and exhibitions. The ASC’s Mercury Series of monographs is one of the main outlets for the reporting of archaeological research in the country. Its exhibitions, both in the Canadian Museum of History and smaller ones that travel across the country, enhance public understanding of the traditions of the Indigenous peoples of Canada. (See also Archaeology.)

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Nobel Prizes and Canada

The Nobel Prizes are awarded annually for achievements that have significantly benefitted humankind. The prizes are among the highest international honours and are awarded in six categories: physics, chemistry, physiology or medicine, literature, peace, and economics. They are administered by the Nobel Foundation and awarded by institutions in Sweden and Norway. Eighteen Canadians have won Nobel Prizes, excluding Canadian-born individuals who gave up their citizenship and members of organizations that have won the peace prize.