Things | The Canadian Encyclopedia

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  • Article

    Traditional Plants and Indigenous Peoples in Canada

    Indigenous peoples in what is now Canada collectively used over a 1,000 different plants for food, medicine, materials, and in cultural rituals and mythology. Many of these species, ranging from algae to conifers and flowering plants, remain important to Indigenous communities today. This knowledge of plants and their uses has allowed Indigenous peoples to thrive in Canada’s diverse environments. Many traditional uses of plants have evolved to be used in modern life by Indigenous and non-Indigenous peoples alike. (See also Indigenous Peoples’ Medicine in Canada.)

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    https://d2ttikhf7xbzbs.cloudfront.net/media/new_article_images/WildBerries/9342749963_6006fba520_z.jpg Traditional Plants and Indigenous Peoples in Canada
  • Article

    Plastics-Processing Industry

    Plastics are based on giant molecules (polymers) which have a structure so ordered that they can be shaped at elevated temperatures and pressures, ie, these long-chain polymers exhibit "plastic flow" when heated.

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    https://development.thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 Plastics-Processing Industry
  • Article

    Plate Tectonics

    Plate tectonics is the theory proposing that Earth’s outer rocky shell is divided into seven major and several smaller rigid plates. Forces generated by heat losses from the planet’s interior constantly move the plates about. Plate movements, ongoing over millions of years (see Geological History), open and close ocean basins, generate volcanoes, raise mountains, facilitate accumulation of mineral and petroleum deposits, and influence evolution and climate change. Friction between plates prevents steady motion and stores energy that is released in sudden movements, causing earthquakes. This article is the full-length entry about plate tectonics. For a plain-language summary, please see Plate Tectonics (Plain-Language Summary).

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    https://d2ttikhf7xbzbs.cloudfront.net/media/new_article_images/PlateTectonics/PlateTectonicsMapEN.png Plate Tectonics
  • Article

    Plate Tectonics (Plain-Language Summary)

    Plate tectonics is the theory that rocky plates divide Earth’s surface. The plates move as Earth releases heat from its interior. The movement of plates creates volcanoes and mountains and causes earthquakes. This article is a plain-language summary of Plate Tectonics. If you are interested in reading about this topic in more depth, please see our full-length entry, Plate Tectonics.

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    https://d2ttikhf7xbzbs.cloudfront.net/media/new_article_images/PlateTectonics/PlateTectonicsMapEN.png Plate Tectonics (Plain-Language Summary)
  • Article

    Platinum

    Platinum (Pt) is the best known of the 6 greyish-white, metallic, platinum group elements, which also include palladium (Pd), iridium (Ir), rhodium (Rh), osmium (Os) and ruthenium (Ru). Platinum and palladium are more commonly used than the other elements in the group.

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    https://development.thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 Platinum
  • Article

    Playing and teaching woodwinds

    The woodwind instruments in wide use in Canada during the 19th and 20th centuries were flute, oboe, clarinet, bassoon, saxophone, and recorder; and, in the orchestra, piccolo, english horn, bass clarinet, and contrabassoon.

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    https://development.thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 Playing and teaching woodwinds
  • Article

    Playing-Card Money

    Playing-card money was a type of paper money used periodically in New France from 1685 to the British Conquest in 1763. Playing cards issued by the king — later replaced with white cards cut to various shapes — held values equivalent to French livres.

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    https://d2ttikhf7xbzbs.cloudfront.net/media/media/f1733c26-ebb9-45c6-be6b-aecf8c7a9503.jpg Playing-Card Money
  • Macleans

    Playing with fire

    How North Vancouver’s Rebecca Rubin landed in the crosshairs of the biggest eco-terrorism investigation in U.S. history, and spent 10 years on the run. Ken MacQueen on a tale of sabotage, conspiracy, violence and betrayal.

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    https://development.thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 Playing with fire
  • Article

    Plea Bargaining

    Plea Bargaining is a form of negotiation between a person charged with an offence and a crown prosecutor. The accused person usually negotiates through his counsel. Plea bargaining can take several forms.

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    https://development.thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 Plea Bargaining
  • Article

    Plover

    Plover is the common name for a family (Charadriidae) of shorebirds with 2 subfamilies: Charadriinae, including true plovers; and Vanellinae, including lapwings.

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    https://d2ttikhf7xbzbs.cloudfront.net/media/media/54ed14de-ebc8-46ba-80f7-c4f5bbef4130.jpg Plover
  • Article

    Plum

    Plum is a common name for certain members of genus Prunus of the rose family, which produce a smooth-skinned, elliptical, heart-shaped, oblong, ovate or round fruit with a flat seed.

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    https://d2ttikhf7xbzbs.cloudfront.net/media/media/a7b2bcfe-316e-4c50-b69e-69d4fc395472.jpg Plum
  • Macleans

    PM and Delegates Revisit Asia

    If omens mean anything, the members of Prime Minister Jean CHRÉTIEN's new version of Team Canada may have some cause for concern.This article was originally published in Maclean's Magazine on January 20, 1997

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    https://development.thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 PM and Delegates Revisit Asia
  • Article

    Pocket Gopher

    Pocket Gopher (Geomyidae), family of medium-sized, solitary, nonhibernating, subterranean rodents.

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    https://d2ttikhf7xbzbs.cloudfront.net/media/media/369f05da-3657-43ac-8d8f-51afdcb5fc9d.jpg Pocket Gopher
  • Article

    Pocket Mouse

    Pocket Mouse, small, jumping rodent of the North American family Heteromyidae.

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    https://d2ttikhf7xbzbs.cloudfront.net/media/media/bb3cae34-7af8-4118-acfb-e7bdd5f3128f.jpg Pocket Mouse
  • Macleans

    POGs Appeal

    After boy scout meetings in Calgary, 13-year-old Johnny Seipel and 12-year-old Kristopher Pataky play their latest favorite game in a corner of the coatroom, in among the racks of snowsuits, scarves and winter mitts.This article was originally published in Maclean's Magazine on February 27, 1995

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    https://development.thecanadianencyclopedia.ca/images/tce_placeholder.jpg?v=e9dca980c9bdb3aa11e832e7ea94f5d9 POGs Appeal