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Fossil Animals

The first animals were microscopic in size and left no known fossil remains. The oldest animal fossils occur in sediments deposited under shallow equatorial seas over 600 million years ago.

Article

Radar

Radio waves are part of the electromagnetic spectrum, as is visible light. H.R. Hertz provided practical demonstration of Maxwell's theory and, in 1888, actually performed radio-wave-reflection experiments.

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Mineral Resources

Minerals are naturally-occurring, homogeneous geological formations. Unlike fossil fuels, such as coal, oil and natural gas, minerals are inorganic compounds, meaning they are not formed of animal or plant matter.

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Salt

Sodium chloride (NaCl), or common salt, is ubiquitous in the environment. In its solid form, salt crystallizes as colourless cubes and is called rock salt. Salt is also known to geologists as halite. Its crystal structure was the first to be determined by X-rays.

Article

Science Centres

Canada is home to more than 40 science centres, planetariums, children's museums and related institutions that have been established to advance scientific literacy by making science learning fun and accessible.

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Diamond

Gem-quality diamonds crystallize as octahedrons (8 faces), trisoctahedrons (24 faces), hexoctahedrons (48 faces) or a combination of these. Diamond owes its supreme standing among all the gemstones to 4 specific attributes.

Article

Exhibitions

Historical IntroductionExhibitions by definition are displays shown for a limited time period, either in one location or on tour, unlike permanent or changing displays in museums.

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Music Therapy

Music therapy. As defined by the Canadian Association for Music Therapy, music therapy is 'the skilful use of music to aid the physical, psychological and emotional integration of the individual, and in the treatment of an illness or disability.

Macleans

Canada's Missing Internet Wave

The idea sounded so simple and yet so revolutionary: use the Internet to exploit the buying power of far-flung individual consumers, allowing them to sign up for bulk orders on a Web site that would drive down the price of everything from video games to hand-held computers.

Macleans

Sabotage of Top Web Sites

How do you find out if your house is secure? One answer: try to bust in and see how hard it is. The cyberspace equivalent is what a northern Virginia company called Global Integrity was doing last week - paying half a dozen young computer whizzes to break into Web sites run by their clients.

Macleans

Alzheimer's Battle

At first, the effects are almost imperceptible: a man or woman cannot find keys or forgets the name of a loved one. As Alzheimer's disease continues to destroy nerve cells in the brain, the incidents become more frequent - and more troubling.

Macleans

Drug Therapy for Strokes

One Saturday morning last November, Peggy Code collapsed outside a suburban Calgary mall. Helped to a nearby bench, the 64-year-old nurse realized she was drooling and that the entire left side of her body was insensate.

Article

Statistics Canada

Statistics Canada is the nation’s central statistical agency. It was established in 1918 as the Dominion Bureau of Statistics and adopted its present name in 1971. Under the Statistics Act of that year, it has the responsibility to “collect, compile, analyse, abstract and publish statistical information relating to the commercial, industrial, financial, social, economic and general activities and condition of the people.” The agency works with government departments to develop integrated social and economic statistics for Canada and the provinces and territories. In addition, Statistics Canada is a scientific research organization that develops methodologies and techniques related to statistics and survey design.

Macleans

Maclean's 2002 Health Report

Imagine for a moment that you're a smoker who's been meaning to quit a pack-a-day habit for a while now. Or, if you can't picture yourself as a nicotine addict, maybe your doctor has been after you to trim that Molson muscle around your expanding midriff.

Article

Transportation Agencies

The 2 major categories of government activities in transportation are administration and development of public policies, which includes the regulation of transport activities and the investment and operation of transport services and facilities.

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