Columbia Encyclopedia
Search results
500 results found
Health, Education, and Welfare, United States Department of
(Encyclopedia)Health, Education, and Welfare, United States Department of: see Education, United States Department of; Health and Human Services, United States Department of. ...energy, sources of
(Encyclopedia)energy, sources of, origins of the power used for transportation, for heat and light in dwelling and working areas, and for the manufacture of goods of all kinds, among other applications. The develop...United States
(Encyclopedia)CE5 CE5 CE5 United States, officially United States of America, republic (2015 est. pop. 319,929,000), 3,539,227 sq mi (9,166,598 sq km), North America. The United States is the world's third l...United Nations Atomic Energy Commission
(Encyclopedia)United Nations Atomic Energy Commission: see disarmament, nuclear. ...Congress of the United States
(Encyclopedia)Congress of the United States, the legislative branch of the federal government, instituted (1789) by Article 1 of the Constitution of the United States, which prescribes its membership and defines it...Constitution of the United States
(Encyclopedia)CE5 Constitution of the United States, document embodying the fundamental principles upon which the American republic is conducted. Drawn up at the Constitutional Convention in Philadelphia in 1787...Reclamation, United States Bureau of
(Encyclopedia)Reclamation, United States Bureau of, agency set up in the Dept. of the Interior under the Reclamation Act of 1902. It is charged with promoting regional economies by developing water and related land...Bank of the United States
(Encyclopedia)Bank of the United States, name for two national banks established by the U.S. Congress to serve as government fiscal agents and as depositories for federal funds; the first bank was in existence from...dark energy
(Encyclopedia)dark energy, repulsive force that opposes the self-attraction of matter (see gravitation) and causes the expansion of the universe to accelerate. The search for dark energy was triggered by the discov...free energy
(Encyclopedia)free energy or Gibbs free energy, quantity derived from the relationships between heat and work studied in thermodynamics and used as a measure of the relative stability of a physical or chemical syst...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
- Places +-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
