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Media literacy refers to the ability to interpret and understand how various forms of media operate, and the impact those media can have on one’s perspective on people, events or issues. To be media literate is to understand that media are constructions, that audiences negotiate meaning, that all media have commercial, social and political implications, and that the content of media depends in part on the nature of the medium. Media literacy involves thinking critically and actively deconstructing the media one consumes. It also involves understanding one’s role as a consumer and creator of media and understanding the ways in which governments regulate media.

Air Traffic Control (ATC) is the service provided to pilots to assist them in operating their aircraft in a safe, orderly and efficient manner.

Virus, the smallest form of life (20-300 nanometres), is structurally and functionally unique. Their size is such that they do not contain enough genetic material to code for the proteins they require for reproduction, nor do they have ribosomes needed to synthesize these proteins.

In 1874, Canadians Henry Woodward and Mathew Evans patented a design for an incandescent light bulb. Their invention preceded that of American Thomas Edison by several years. In fact, the second patent (issued in 1876 in the United States) was among those that Edison bought as he refined the technology to create a longer-lasting bulb. Woodward and Evans’s early work on the light bulb in Toronto has gone largely unrecognized. It was nevertheless an important development in the invention of electric lighting.

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Air-defence radar stations were first established in Canada along the Atlantic and Pacific coasts in 1942, but were dismantled following the defeat of Germany and Japan in 1945.

Snowshoes are footwear that help to distribute the weight of a person while they walk over deep snow, preventing them from sinking too far into the snow with every step. In the past, Indigenous peoples used snowshoes for winter travel in Canada, outside the Pacific and Arctic coasts. Snowshoeing has since become a popular Canadian pastime, enjoyed by hikers and sportspeople.

Media convergence is a term for two things: 1) It is when different media merge through technology. This is also known as technological convergence. 2) It is also when companies own different media outlets as part of a business strategy. This is also called media consolidation, media concentration or economic convergence.

Canada's agriculture and food industries have changed greatly in the years since the Second World War. Growth in Canada’s economy, and associated social changes, have altered the way food is produced, processed, handled, sold and consumed.

Quantitative measurements of rainfall, snowfall, the rate at which water penetrates into and moves through soil, streamflow, the rise and fall of LAKE and GROUNDWATER levels, and the evapotranspiration of water into the atmosphere are vital.

Geomatics Canada, along with the Geological Survey of Canada and the Polar Continental Shelf Project, became part of the Earth Sciences Sector of the Department of Natural Resources in the mid-1990s. It was formerly known as the Surveys, Mapping and Remote Sensing Sector.

Most modern meteorologists attempt to cope with physical processes by expressing them mathematically, ie, by creating mathematical models of the atmosphere. Powerful computers are then used to solve problems.

  British ColumbiaIn BC, most work has been carried out by the Underwater Archaeological Society of British Columbia (UASBC), a large, successful and mostly avocational group that was formed in 1975. The UASBC's has published seven regional shipwreck inventories.

In the summer of 2007 P.R.P.R.C. palaeontologists discovered a second concentration of dinosaur bones along 10 metres of exposed outcrop not far from the town of Tumbler Ridge.

In recent years genetic diseases have become better understood since they are dependent on a fault in the normal gene sequence that controls body activities.

Bacteria are microscopic single-celled organisms capable of rapid growth and division.

The Canadarm was a remote-controlled mechanical arm, also known as the Shuttle Remote Manipulator System (SRMS). During its 30-year career with NASA’s Space Shuttle Program, the robotic arm deployed, captured and repaired satellites, positioned astronauts, maintained equipment, and moved cargo.