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Health and Human Services, United States Department of

(Encyclopedia)Health and Human Services, United States Department of, federal executive department charged with administering government health programs. Successor to the Department of Health, Education, and Welfar...

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. ...

Housing and Urban Development, United States Department of

(Encyclopedia)Housing and Urban Development, United States Department of (HUD), established 1965 to coordinate and administer programs that provide assistance for housing and community development. The department a...

United Kingdom of Great Britain and Northern Ireland

(Encyclopedia)United Kingdom of Great Britain and Northern Ireland: see Great Britain. ...

oil industry

(Encyclopedia)oil industry, the business of discovering oil (petroleum), extracting it from the ground, refining it into a variety of products, and distributing it to the public. The development of the oil industry...

belligerency

(Encyclopedia)belligerency bəlĭjˈərənsē [key], in international law, status of parties legally at war. Belligerency exists in a war between nations or in a civil war if the established government treats the i...

W and Z particles

(Encyclopedia)W and Z particles, elementary particles that mediate, or carry, the fundamental force associated with weak interactions. The discovery of the W and Z particles at CERN near Geneva, Switzerland, in the...

social work

(Encyclopedia)social work, organized effort to help individuals and families to adjust themselves to the community, as well as to adapt the community to the needs of such persons and families. Social work emerge...

chemical warfare

(Encyclopedia)chemical warfare, employment in war of incendiaries, poison gases, and other chemical substances. Ancient armies attacking or defending fortified cities threw burning oil and fireballs. A primitive ty...

Nature Conservancy

(Encyclopedia)Nature Conservancy, nonprofit organization established in 1951 to preserve or aid in the preservation of natural environments. It protects wilderness areas in the United States and Canada and is affil...