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Challenger Expedition

The Challenger expedition, the first worldwide oceanographic expedition, voyaged 127 663 km in the Atlantic, Southern, Indian and Pacific oceans between December 1872 and May 1876.

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Diabetes

Diabetes mellitus, commonly referred to as diabetes, is a disease in which the body either produces insufficient amounts of insulin or cannot use insulin properly.

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Physics

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

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Atomic Energy Control Board

The Atomic Energy Control Board (AECB) was established in 1946 under the Atomic Energy Control Act, with the declaration that nuclear energy is essential to the national interest (and therefore under the exclusive jurisdiction of the federal government).

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Artificial Intelligence (AI) in Canada

The term artificial intelligence (AI) refers to the capacity of a machine to simulate or exceed intelligent human activity or behaviour. It also denotes the subfield of computer science and engineering committed to the study of AI technologies. With recent advancements in digital technology, scientists have begun to create systems modelled on the workings of the human mind. Canadian researchers have played an important role in the development of AI. Now a global leader in the field, Canada, like other nations worldwide, faces important societal questions and challenges related to these potentially powerful technologies.

Macleans

Neutrino Project

Most people would no doubt balk at having to stand on the roof of an elevator as it drops slowly into a dark mine shaft sunk more than a mile into the ground. Not physicist Duncan Hepburn, 53, who shrugs off the task as just another part of his job. Some job.

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Media Bias in Canada

Bias means supporting or opposing something or someone in an unfair way, regardless of the evidence. Media bias is when information spread by media or a news outlet reflects the interests and biases of ownership or individuals of that media company. Corporations may have a clear bias for one political party or issue and may influence its media outlets to reflect that bias. Individual journalists or news outlets may favour one side of an issue and reflect that bias — consciously or unconsciously — in the way they cover stories. The fact that a majority of journalists in Canada are White can also lead to biased reporting on minority groups. People can overcome unconscious bias by thinking and talking about it, and especially by listening to people from less privileged backgrounds.

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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.

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Music about Transportation

Of the various means of travel by land, sea, and air, only the railways, with the rhythmic clickety-clack of the wheels and the scream of the locomotive whistle, have provided an obvious subject for imitation in music.

Macleans

Polar Lander Fails on Mars

No one knows exactly what the surface of Mars is like, but Robert Zubrin has a pretty good idea. At least some of it, he says, is much like a frozen, god-forsaken corner of the Canadian Arctic called Haughton Crater. The terrain is similar - rough-strewn rock on the floor of a crater 16 km across.

Macleans

Life on Mars?

It was an evening in summer upon the placid and temperate planet Mars. Up and down green wine canals, boats as delicate as bronze flowers drifted ....

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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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Schizophrenia

Schizophrenia is an illness of the mind that affects 1 percent of the world's population, including 1percent of Canada's population. It is one of the most serious and debilitating mental illnesses because at present there is no cure, and it can be very difficult to treat.

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Smoking

Smoking is a universal health hazard. All forms of TOBACCO smoking are risky. Canadian consumption of cigarettes has been declining since the monitoring of smoking began in 1965, when an estimated 50% of adults smoked. In 1981 smoking prevalence had dropped below 40%.

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Computer Industry

Hardware Historically, computer hardware has been divided into 3 broad classes: large mainframe computers, somewhat smaller minicomputers and the personal computers (PCs) or microcomputers that have become familiar office and home fixtures since the mid-1980s.

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Misinformation in Canada

The advance of computers into all aspects of our lives and the rising role of the Internet have led many people to call this the Information Age. But with news travelling fast, and often with few checks and balances to ensure accuracy, it can also be seen as the Misinformation Age. Learning how to separate facts from misinformation or so-called fake news has become a critical modern skill as people learn to evaluate information being shared with them, as well as to scrutinize information they may share themselves.