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Tidal Energy

Tidal energy is a largely untapped, renewable energy source based largely on lunar gravitation. While the potential of tidal hydroelectricity has long been recognized, compared to river dams, tidal power projects are expensive because massive structures must be built in difficult saltwater environments.

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Mice Cloned

It was a humble setting for an epochal scientific breakthrough - a nondescript two-storey building tucked away on the sprawling University of Hawaii campus overlooking Honolulu's Waikiki district.

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Genetically Modified Foods

GM plants were first marketed in the 1990s. The first commercialized GM crop was a TOMATO called Flavr Savr (resistant to rotting), marketed in 1994 by a US-based company, Calgene. Since then, many GM crops have been commercialized.

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Hydroelectricity

Hydroelectricity is energy produced from flowing water. The amount of energy produced depends on volume and speed: the more water moving at a fast rate, the more energy produced. For this reason, many hydroelectric stations are built near waterfalls.

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Moon

The dark grey lunar surface reflects only 7% of the sunlight it receives (comparable to the reflectivity of black soil). The moon is dominated by thousands of craters, ranging from microscopic pits to gigantic Clavius, diameter 230 km.

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Office Automation

Office Automation is a general term that includes a wide range of applications of computer, communication and information technologies in office environments. Though automation is in a continual state of flux, the size of the market is huge, with annual investments measured in billions of dollars.

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The Spread of SARS

IT WAS NOT what health-care officials had hoped for, to say the least. Only a week earlier, one of Health Canada's leading authorities on infectious diseases had speculated that SARS - severe acute respiratory syndrome - might actually be "easy to control.

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Energy in Society

Energy plays a unique and critical role in the world; no activity of any kind (no "work") can take place without the movement or conversion of energy.

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Cancer

Cancer is a term describing more than 100, possibly as many as 200, different diseases characterized by the common property of abnormal cell growth. Cancer is the second-leading cause of death in Canada and second only to accidents as a cause of death in children under 15 years of age.

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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.

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Maritime Archaeology

  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.

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Biomass Energy

Biomass energy, or bioenergy, is the energy stored in biomass — that is, nonfossil organic materials such as wood, straw, vegetable oils and wastes from forestry, agriculture and industry, as well as municipal solid waste.

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Telidon

Telidon, a combination of the Greek words meaning "to know at a distance," was a waypoint en route to the Internet and was an early demonstration of how technology can provide on-demand access to information.