Search for "New France"

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Article

Bridge Disasters

​There have been several fatal bridge disasters over the course of Canada’s history, some during construction, others after the bridge was in use for some time.

Article

Tuberculosis

Tuberculosis (TB) has been known and dreaded since Hippocratic times (460-377 BCE). It was once known as "consumption" and claimed the lives of such famous people as the Brontë sisters, Robert Louis Stevenson and Vivian Leigh.

Article

Wildlife Preserve

A wildlife preserve is an area of land or water set aside from at least some forms of development or recreational use, particularly from industrial use, hunting and motorized recreation, to protect wildlife and their habitats.

Article

Heart Disease

In industrial countries more people die from diseases of the heart and blood vessels than from any other single cause.

Article

Applied Anthropology

Applied anthropologists use their knowledge of peoples and cultures for practical purposes. They do this framed by anthropological concepts and a methodology - ethnographic fieldwork - that portrays people in their actual circumstances.

Article

Ozone Depletion

Ozone depletion is a chemical thinning of the OZONE LAYER in the stratosphere or upper atmosphere. Scientists determined in the 1970s that it is caused by ozone depleting substances (ODSs), particularly by the use of chlorofluorocarbons (CFCs).

Article

Gerontology

Gerontology is the scientific study of AGING and its consequences including psychological, biological, and social changes confronting individuals, the social and economic issues created by growing numbers of older people in a population, and the opportunities older age brings with it.

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Conservation

Conservation can be defined as the planned and efficient use of natural RESOURCES for industrial and nonconsumptive purposes (eg, recreation, research) so as to ensure their permanence, productivity and diversity.

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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

Geomorphology

Geomorphology is related to GEOLOGY because of the importance of long timescales, tectonic deformation of Earth's crust (seePLATE TECTONICS), and rock and sediment properties; and to physical geography through its association with CLIMATE, BIOGEOGRAPHY, SOIL SCIENCE, and HYDROLOGY.

Macleans

Green Driving Machines

From the outside there was little to distinguish the sleek Toyota Prius from any other car on the streets of Timmins, Ont. But when the driver turned the key, it was clear this was no ordinary sedan. The only sound as the Prius pulled away was the gentle hum of an electric motor.

Macleans

Blood Substitute Tested

According to medical lore, the ancient Incas were the first to attempt blood transfusions. And over the centuries doctors around the world have pumped everything from beer to urine into hemorrhaging patients.

Article

Pediatrics

Pediatrics is that branch of MEDICINE concerned with the child, its development, care and diseases.

Editorial

Invention of Standard Time

Knowing the time in different places is not an issue today, but long ago it was a complicated matter. Communities used their own solar time, which differed by one minute per 18 km of east-west separation between communities, the later time to the east.

Macleans

Artificial Heart Developed

This article was originally published in Maclean’s magazine on January 25, 1999. Partner content is not updated.

Before the end of this year, Ottawa heart surgeon Dr. Wilbert Keon hopes to open the chest of a patient whose heart has reached a state of "terminal failure" and install a shiny plastic-encased object a little larger than a man’s fist.