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Thrips, order Thysanoptera (Gk for "fringe-wings"), are among the smallest insects, being slender and usually less than 2 mm long.

Acid rain is the wet or dry deposition of acidic substances and their precursors on the Earth's surface. The ongoing industrialization of society has resulted in the increased release of acidic chemicals into the atmosphere.

The tanager (Thraupidae) is a family of small songbirds, possibly comprising as many as 413 species.

Canada has a rich history of weaving stretching back to the precontact Indigenous peoples and enriched by each succeeding wave of immigrants.

The sturgeon is a large, primitive, bony fish of class Actinopterygii, family Acipenseridae. The 4 genera and 24 species live in fresh and coastal waters of the Northern Hemisphere.

Raikes's innovation, quickly copied in Britain, was brought to Canada mainly by the PRESBYTERIAN and CONGREGATIONAL churches.

Tungsten (W), also called Wolfram, lapis ponderosus or Heavy Stone, is a silver-grey metallic element with the highest melting point of any metal (3410° C). Tungsten has a high density, high strength at elevated temperatures and extreme hardness.

Thunderbird, a supernatural creature prominent in Northwest Coast Indigenous myths.

Precise timekeeping helped establish and develop Canada. For the past 2 centuries, Canadian exploration, mapping, navigation and transportation have exploited state-of-the-art precise time systems.

Unlike other mountainous countries such as Switzerland, and despite its size, Canada is not distinguished by well-known tunnels.

In both the US and Canada parents are free to choose to send their children to the state-run public SCHOOL SYSTEM or to a variety of private fee-paying schools.

Shrimp are decapods ("10-footed") crustacean, differing from other decapods in being adapted for swimming, a fact reflected in the large, laterally compressed abdomen and well-developed pairs of swimming legs.

Sidbec-Dosco (Ispat) Inc, a wholly-owned subsidiary of Ispat International group, has its principal steel mill in CONTRECOEUR, and its head office in MONTRÉAL, Québec. Sidbec-Dosco is Canada's fourth largest steel producer.

The Department of Supply and Services was the purchasing and accounting arm of the federal government.

A shopping centre is a group of retail and service establishments built and managed as a unit, having one or more major "anchor" tenants and its own large parking area. Two American prototypes were Market Square, Lake Forest, Ill (1916), and Country Club Plaza, Kansas City, Mo (1922).

Between February 1868 and September 1870, 7 contingents totalling 507 Canadians enrolled in the papal army (whose soldiers were known as Papal Zouaves) to help defend Rome from the Italian troops who wanted to bring about Italian unification.

The 18th-century US institution of local singing classes for sacred music had its counterpart in the Maritimes and in some parts of both Lower and Upper Canada between the 1770s and Confederation.

Sea Urchin, radially symmetrical marine invertebrate. Sea urchins and near relatives, the sand dollars and heart urchins, belong to class Echinoidea of phylum Echinodermata.

Seabirds are those bird species which spend long periods away from land and obtain all or most of their food from the sea while flying, swimming or diving, and occupy all of the world's oceans.

The council initially comprised the governor, the bishop, the INTENDANT and 5 councillors. In 1703 membership grew to 12, to which 4 associated judges were added in 1742. Members, usually recruited from the French gentry, were nominated initially by the governor and the bishop and later by the king.