Columbia Encyclopedia

(Encyclopedia) Lincoln, Abraham lĭngˈkən [key], 1809–65, 16th President of the United States (1861–65). As time passed Lincoln became more and more the object of adulation; a full-blown “Lincoln legend”...

(Encyclopedia)  CE5 Alberta ălbûrˈtə [key], province, 255,285 sq mi (661,188 sq km), including 6,485 sq mi (16,796 sq km) of water surface, W Canada. Alberta was originally part...

(Encyclopedia) health insurance, prepayment plan providing services or cash indemnities for medical care needed in times of illness or disability. It is effected by voluntary plans, either commercial or nonprofit, o...

(Encyclopedia) Truman, Harry S., 1884–1972, 33d President of the United States, b. Lamar, Mo. Truman remained active in politics for many years after his retirement, campaigning around the country for Democrat...

(Encyclopedia) global warming, the gradual increase of the temperature of the earth's lower atmosphere as a result of the increase in greenhouse gases since the Industrial Revolution. Global warming and its effects,...

(Encyclopedia)  CE5 Guyana gīănˈə, –änˈ– [key], officially Co-operative Republic of Guyana, republic (2015 est. pop. 769,000), 83,000 sq mi (214,969 sq km), NE South America. It is bordered on the N by 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) Presidents of the United States

(Encyclopedia)  CE5 Linear accelerator (LINAC) CE5 Cyclotron: As the charged particles move faster, they spiral out to the edge of the Ds. particle accelerator, apparatus used in nuclear physics to produce bea...

(Encyclopedia) Obama, Barack (Barack Hussein Obama 2d), bəräkˈ ho͞osānˈ ōbäˈmə [key], 1961–, 44th president of the United States (2009–17), b. Honolulu, grad. Columbia (B.A. 1983), Harvard Law School ...