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Bohr, Niels Henrik David

(Encyclopedia)Bohr, Niels Henrik David bōr [key], 1885–1962, Danish physicist, one of the foremost scientists of modern physics. He studied at the Univ. of Copenhagen (Ph.D. 1911) and carried on research on the...

Cheyenne, indigenous people of North America

(Encyclopedia)Cheyenne shīănˈ, –ĕnˈ [key], indigenous people of North America whose language belongs to the Algonquian branch of the Algonquian-Wakashan linguistic stock (see Native American languages). The ...

Neptune, in astronomy

(Encyclopedia)Neptune, in astronomy, 8th planet from the sun at a mean distance of about 2.8 billion mi (4.5 billion km) with an orbit lying between those of Uranus and the dwarf planet Pluto; its period of revolut...

steel industry

(Encyclopedia)steel industry, the business of processing iron ore into steel, which in its simplest form is an iron-carbon alloy, and in some cases, turning that metal into partially finished products or recycling ...

Defoe, Daniel

(Encyclopedia)Defoe or De Foe, Daniel dĭfōˈ [key], 1660?–1731, English writer, b. London. He was nearly sixty when he turned to writing novels. In 1719 he published his famous Life and Strange Surprising Adv...

Commonwealth of Nations

(Encyclopedia)Commonwealth of Nations, voluntary association of Great Britain and its dependencies, certain former British dependencies that are now sovereign states and their dependencies, and the associated state...

Canadian literature, English

(Encyclopedia)Canadian literature, English, literary works produced in Canada and written in the English language. The essayist Northrop Frye is noted for his systematic classification of literature, presented in...

Anthropocene

(Encyclopedia)Anthropocene Epoch, an unofficial term used by scientists to describe a period of time—up to the present—in which humanity has impacted the planet on a global scale. The phrase was fir...

wood carving

(Encyclopedia)wood carving, as an art form, includes any kind of sculpture in wood, from the decorative bas-relief on small objects to life-size figures in the round, furniture, and architectural decorations. The w...

Mound Builders

(Encyclopedia)Mound Builders, in North American archaeology, name given to those people who built mounds in a large area from the Great Lakes to the Gulf of Mexico and from the Mississippi River to the Appalachian ...