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Create AccountHenri Joseph Breault, medical doctor, anti-poisoning advocate (born 4 March 1909 in Tecumseh, ON; died 5 September 1983 in Exeter, ON). Breault is known for spearheading a national campaign to prevent accidental childhood poisonings. He advocated for the development of the Palm-N-Turn, a safety cap that drastically reduced child deaths due to poisoning in Canada and around the world.
An epidemic occurs when an infectious disease spreads rapidly throughout a community at a particular time. Several epidemics have occurred over the course of Canadian history, the most disastrous being those which affected Indigenous peoples following the arrival of Europeans.
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A patent applies to an invention that is determined to be new, useful and inventive. A patent provides an inventor with the exclusive right to make, use or sell their invention for a certain number of years. When a patent expires, the invention becomes public property. (See also Intellectual Property; Inventors and Innovations.)
The following article is an editorial written by The Canadian Encyclopedia staff. Editorials are not usually updated.
The following article is an editorial written by The Canadian Encyclopedia staff. Editorials are not usually updated.
The following article is an editorial written by The Canadian Encyclopedia staff. Editorials are not usually updated.
In December 2001, U.S. Attorney-General John Ashcroft announced plans to deploy military personnel to patrol the Canada-U.S. border. After September 11, Ashcroft criticized Canada's porous border, though there was no evidence that any of the terrorists, all holding legal U.S. visas, came through Canada. It was not the first time that the longest undefended, and perhaps indefensible, border in the world was contentious.The following article is an editorial written by The Canadian Encyclopedia staff. Editorials are not usually updated.
On September 29th of 1826 the governor of Canada, the Earl of Dalhousie, turned the first sod for construction of the lowest lock of the Rideau Canal. Later that day the participants gathered at Philemon Wright's tavern in Hull, where they indulged in a lavish dinner and the drinking of numerous toasts. One of the great engineering feats of its time was underway.
The following article is an editorial written by The Canadian Encyclopedia staff. Editorials are not usually updated.
The following article is an editorial written by The Canadian Encyclopedia staff. Editorials are not usually updated.
The following article is an editorial written by The Canadian Encyclopedia staff. Editorials are not usually updated.
Media convergence refers to the merging of previously distinct media technologies and platforms through digitization and computer networking. This is also known as technological convergence. Media convergence is also a business strategy whereby communications companies integrate their ownership of different media properties. This is also called media consolidation, media concentration or economic convergence. (See also Media Ownership.)
There have been many tragic events in Canada’s aviation history. Some of these have involved Canadian aircraft, commercial as well as non-commercial. In other cases, many Canadians have died in the crash of a non-Canadian aircraft. Crashes that occurred over Canadian soil, or search and rescue efforts in which Canadians have played a large part, are also part of this history.
Disability is defined by the World Health Organization (WHO) as the temporary, prolonged or permanent reduction or absence of the ability to perform certain commonplace activities or roles, sometimes referred to as activities of daily living.
The following article is an editorial written by The Canadian Encyclopedia staff. Editorials are not usually updated.
The following article is an editorial written by The Canadian Encyclopedia staff. Editorials are not usually updated.
The following article is a feature from our Vancouver Feature series. Past features are not updated.
This article is from our Toronto Feature series. Features from past programs are not updated.
This article is from our Toronto Feature series. Features from past programs are not updated.
The following article is an editorial written by The Canadian Encyclopedia staff. Editorials are not usually updated.
"Great men are almost always bad men," Lord Acton famously said. If that is so, we are going to have to tolerate flaws if we want to celebrate "great" Canadians. The eugenics movement of the early 20th century particularly tries our tolerance of several of our textbook heroes.The following article is an editorial written by The Canadian Encyclopedia staff. Editorials are not usually updated.
