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Create AccountAbout a third of the world's estimated 400 000 species of higher or vascular plants have probably been used for medicinal purposes by indigenous societies, generally in a raw or minimally processed form.
Retirements and declining immigrant participation have Canada facing a critical shortage of engineers
Dorothea Ferguson (née Palmer), birth control advocate, social worker (born 1908 in England; died 5 November 1992 in Ottawa, ON). Dorothea Palmer was arrested in 1936 for advertising birth control to women in a working-class neighbourhood in Ottawa. She was cleared of charges after a lengthy trial proved her work had been for the public good. Her acquittal was a major victory for the birth control movement in Canada.
The challenge of fisheries policy is to preserve fish stocks while maximizing economic benefit to the people involved in the industry, to the communities that depend on it, and to the nation as a whole.
More remarkable was the use of an ice bridge across the St Lawrence River in the winters of 1880-81 and 1881-82, from Hochelaga to Longueuil [Montréal], to carry a standard-gauge railway; from January to March in each of those winters a small train, weighing 60 tons, safely used this unique bridge.
Physical meteorology links meteorology and physics in studies of 3 core topics: electromagnetic radiation, meteorological thermodynamics and cloud physics. Related topics include stratospheric physics, atmospheric electricity, optics and ACOUSTICS.
Petroleum industries find, produce, process, transport, refine and market petroleum commodities.
For many centuries, a legend has persisted that gunpowder was invented in China. Until recently, however, there was no real proof to support the story. In 1986, a team of researchers headed by Dr. Joseph Neeham at Cambridge University published the necessary evidence.
The Royal Society of Canada is the oldest bilingual organization of Canadian scholars, artists and scientists in the fields of humanities, social sciences and sciences. Created in 1883, the Royal Society of Canada included more than 2,000 members in 2017, approximately 20 per cent of whom had French as their mother tongue. Members are elected for their remarkable contributions in the arts, the humanities and the sciences, as well as in Canadian public life. The Society’s headquarters are located in Ottawa, Ontario.
If life expectancy is any indication of health, Canadian women are, on average, much healthier than they were 70 years ago. The life expectancy of female babies born in 1921 was 61 while female babies born today are expected to live to age 82.
The Trans-Canada Highway is a continuous road that allows vehicle travel across Canada. The highway runs through each of Canada’s 10 provinces, from Victoria, British Columbia, to St. John’s, Newfoundland and Labrador. At 7,821 km, it is the fourth-longest highway — and second-longest national highway — in the world.
Thanks to the progress that had been made in identifying and mapping the Palaeozoic rocks (570-245 million years old) of western New York and northern New England, Logan was able to establish the broad correlations of the formations in the St Lawrence region.
Since its first commercial exploitation in the 1850s, petroleum has become the major energy source of Canada and the industrial world.
This article was originally published in Maclean’s magazine on December 2, 1996. Partner content is not updated.
Like hundreds of other hospitals across the country, The Pas Health Complex - a 60-bed facility attached to a 62-bed nursing home - has had its budget slashed and its staff reduced. It is operating on 20 per cent less money, or $1.4 million, than it did three years ago.Everybody agrees it was a dirty job. When Canadian Peacekeepers arrived in Croatia in 1993, many had to work near abandoned industrial sites destroyed during the war that had torn apart the old Yugoslavia. Some got covered in reddish grit while filling sandbags.
The study of plant life is organized in 3 ways, which are also applicable to zoological material.
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.
They're everywhere. Turn on the TV, pick up a newspaper or magazine, and the stories leap out: stem cells to heal the body's failing nervous system; transplanted wombs; the smaller-than-small world of nanotechnology; and yes, as in the previous story, the feverish quest for an artificial heart.
Motor vehicle registration figures appear for the first time in The Canada Year Book for 1916-17. It was in this year that the Year Book accorded motor vehicles a new status as the most important means of transportation in Canada.
