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The research company of Atomic Energy of Canada LTD (AECL) operates 2 major nuclear energy research centres in Canada: Chalk River Nuclear Laboratories (CRNL), and Whiteshell Nuclear Research Establishment (WNRE).

An affectionate but ironic name informally applied to the transinsular Newfoundland passenger railway in its latter days.

Under these 3 Acts - one each for Manitoba, Saskatchewan and Alberta - the federal government turned over to the Prairie provinces the jurisdiction that it had exercised over the crown lands and natural resources of the region since its purchase from the Hudson's Bay Company in 1870.

Noise denotes unwanted or unmusical sounds, especially those that are random or irregular. The attitude that noise is not conducive to the well-being of sentient creatures is as old as history.

Occupational diseases are disorders of health resulting from conditions related to the workplace. They are distinguished from occupational injuries, which are disorders resulting from trauma such as strains or sprains, lacerations, burns or soft-tissue injuries such as bruises.

The National Energy Board was established 1959 under the National Energy Board Act.

The morning glory family, containing 1200 species of herbaceous plants, is represented in Canada by cultivated common morning glory and 3 related species; 11 species of climbing, parasitic dodders; and 5 species of bindweed.

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.

The NTR's development was rooted in the power play between railway entrepreneurs and politicians of the early twentieth century.

Pollution can be defined as the release of any material, energy or organism that may cause immediate or long-term harmful effects to the natural ENVIRONMENT. Pollution was viewed initially as the unsightly mess or visible environmental damage resulting from careless disposal of various materials.

The Earth is actually not in orbit around the sun but around the centre of mass of the Earth-sun system. Since all parts of the Earth move in the same orbit, they experience the same acceleration, but only at the Earth's centre is this acceleration exactly balanced by the sun's gravitation.

Nuclear fusion is the combination of the nuclei of two light atoms to form a heavier one. The resulting atom has a smaller mass than the original ones; therefore, nuclear fusion is a method of transforming mass into energy.

Palynology is the study of spores and pollen, has many applications in botany, geology and medicine.

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.

See BITUMEN; ENERGY POLICY; PETROLEUM; PETROLEUM EXPLORATION AND PRODUCTION; PETROLEUM INDUSTRIES; PETROLEUM SUPPLY AND DEMAND.

Optometry [Gk optos, "visible" and metron, "measure"] is the profession of examining eyes for faults of refraction, ocular mobility and visual perception and of the treatment of abnormal conditions with correctional lenses and orthoptics.

Pharmacy is the act or practice of preparing, preserving, compounding and dispensing drugs. Louis HÉBERT, one of the first settlers of New France, was a pharmacist from Paris.

Ophthalmology is the medical specialty concerned with the eyes and their relationship to the body.

Parasitology is a branch of biology dealing with organisms (animals or, rarely, plants) which live in or on other species (hosts) from which they derive nourishment.