Columbia Encyclopedia

(Encyclopedia)  CE5 Effects of a magnetic field on the products of radioactivity CE5 Disintegration series: Radioactive decay of radium-226 into lead-206 radioactivity, spontaneous disintegration or decay of t...

(Encyclopedia)  CE5 Dominican Republic dəmĭnˈĭkən [key], republic (2015 est. pop. 10,528,000), 18,700 sq mi (48,442 sq km), West Indies, on the eastern two thirds of the island of Hispaniola. The capital and ...

(Encyclopedia)  CE5 Congo, Republic of the, republic (2015 est. pop. 4,996,000), 132,046 sq mi (342,000 sq km), W central Africa; also known as the Congo Republic. Congo is bordered on the west by Gabon; on the no...

(Encyclopedia)  CE5 CE5 Canada kănˈədə [key], independent nation (2020 est. pop. 37,742,154), 3,851,787 sq mi ...

(Encyclopedia) Paris pârˈĭs, Fr. pärēˈ [key], city (1999 pop. 2,115,757; metropolitan area est. pop. 11,000,000), N central France, capital of the country, on the Seine River. It is the commercial and industri...

(Encyclopedia)  CE5 Gabon gäbôNˈ [key], officially Gabonese Republic, republic (2015 est. pop. 1,930,000), 103,346 sq mi (267,667 sq km), W central Africa. It borders on the Atlantic Ocean in the west, on Equat...

(Encyclopedia) Washington, D.C., capital of the United States, coextensive (since 1878, when Georgetown became a part of Washington) with the District of ...

(Encyclopedia) psychology, science or study of the thought processes and behavior of humans and other animals in their interaction with the environment. Psychologists study processes of sense perception, thinking, l...

(Encyclopedia) Berlin bûrˌlĭnˈ, Ger. bĕrlēnˈ [key], city (2021 est. pop. 3,567,000), capital ...

(Encyclopedia) Rousseau, Jean Jacques ro͞osōˈ [key], 1712–78, Swiss-French philosopher, author, political theorist, and composer. Rousseau's influence on posterity has been equaled by only a few, and it is...