Browse "Science & Technology"

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Article

Fracking

Hydraulic fracturing is a technique used in oil and natural gas production. It releases otherwise irrecoverable resources from certain geological formations by injecting water and additives at high pressure into the ground to create microfractures in the rock. Hydrocarbons can then flow through these fractures into a well. It has become controversial because of concerns that the technique, and well-drilling activity associated with its use, threatens groundwater, surface water, air quality, and other environmental values. Common in Alberta’s oil patch since the 1970s, the practice expanded greatly in this century, triggering gas rushes in British Columbia and Saskatchewan and resistance in several other provinces.
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Article

Franklin Search

The disappearance in 1845 of Sir John Franklin and his crew in the Canadian Arctic set off the greatest rescue operation in the history of exploration. More than 30 expeditions over two decades would search by land and sea for clues as to his fate, in the process charting vast areas of the Canadian Arctic and mapping the complete route of the Northwest Passage. The search for clues continued into the 20th and 21st centuries. On 9 September 2014, it was announced that one of the expedition ships, later identified as the HMS Erebus, had been found off King William Island. On 12 September 2016, a team from the Arctic Research Foundation announced that they had located the Terror in Nunavut's Terror Bay, north of where the Erebus was found.
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Article

F. Kenneth Hare

Frederick Kenneth Hare, CC, FRSC, environmental scientist, professor, administrator (born 5 February 1919 in Wylye, England; died 3 September 2002 in Oakville, ON). F. Kenneth Hare has been widely recognized for his research contributions in climatology and biogeography. During his career, he participated in several committees and commissions concerned with environmental issues, such as climate change, nuclear reactors and nuclear waste and acid rain (see Nuclear Energy).
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Article

Freshwater Institute (FWI)

The Freshwater Institute, located on the University of Manitoba campus in Winnipeg, Man, is one of the world's leading research centres for freshwater and Arctic fisheries research.
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Article

Fuel Cell

The fuel cell, device that directly converts the energy potential of fuels into electrical power. (Electrical power is equivalent to work output.) Directly means without first burning the fuel to cause a temperature rise followed by a second-step, which is the conversion of heat into work.
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Article

Fur Trapping

The trapping of animals for fur occurs in almost every country of the world. In Canada, trapping is done primarily for the cultivation of animal pelts, though some may trap for food.
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Article

Gardiner Dam

Gardiner Dam, located 100 km south of Saskatoon, is a 5 km long earth-fill structure towering 64 m above the South Saskatchewan riverbed.
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Macleans

Garlic's Curative Powers

Ted Maczka is Garlic Man. "I preach the gospel of garlic," proclaims the retired tool-and-die maker. "It's my baby.This article was originally published in Maclean's Magazine on May 20, 1996
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Article

Gasoline Stations

Motor vehicle registration figures appear for the first time in The Canada Year Book for 1916-17. It was in this year that the Year Book accorded motor vehicles a new status as the most important means of transportation in Canada.
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Macleans

Gates Under Siege

They came by the thousands last week, a ragtag army of pasty-faced computer geeks in sandals and T-shirts, streaming into the San Jose Convention Center in California's Silicon Valley to honour the 29-year-old hacker from Helsinki who might just be the one to dethrone Bill Gates.This article was originally published in Maclean's Magazine on March 15, 1999
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Article

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.
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Article

Genealogy

A genealogical study begins with the researcher recording everything one knows about one's immediate family. This information can be supplemented by oral tradition from elderly relatives. Family papers such as letters, deeds and diaries can help verify these recollections, as can old photographs.
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Article

General Practice Medicine

General practice is the branch of medicine concerned with providing care (known as "primary and continuing care") to patients irrespective of their age, sex or type of problem.
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Article

Genetic Diseases

Genetic diseases result from chromosome abnormalities or mutant genes showing a specific pattern of inheritance. In addition, genetic factors are involved in susceptibility to some nongenetic DISEASES.
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Article

Genetic Engineering

Interspecies gene transfer occurs naturally; interspecies hybrids produced by sexual means can lead to new species with genetic components of both pre-existing species. Interspecies hybridization played an important role in the development of domesticated plants.
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