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Lucas, George W., Jr.

(Encyclopedia)Lucas, George W., Jr., 1944–, American film director, producer, and writer, b. Modesto, Calif. Although Lucas's first film, THX-1138 (1970), was not successful, his next two, American Graffiti (1973...

designer drug

(Encyclopedia)designer drug, chemical substance synthesized in a laboratory that is intended to have effects similar to those of a drug that is a controlled substance, such as methamphetamine, marijuana, LSD, or an...

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...

hygiene

(Encyclopedia)hygiene, science of preserving and promoting the health of both the individual and the community. It has many aspects: personal hygiene (proper living habits, cleanliness of body and clothing, healthf...

neem tree

(Encyclopedia)neem tree or margosa tree, a fast-growing broad-leaved evergreen, Azadirachta indica, native to India and Myanmar. Its extracts have been used for centuries in Asia as pesticides, toothpaste, medicine...

Labor, United States Department of

(Encyclopedia)Labor, United States Department of, federal executive department established in 1913 and charged with administering and enforcing statutes that promote the welfare of U.S. wage earners, improve their ...

ketoprofen

(Encyclopedia)ketoprofen kēˌtəprōˈfĭn [key], nonsteroidal anti-inflammatory drug (NSAID) with anti-inflammatory, analgesic, and fever-reducing effects, used to relieve the symptoms of headaches, arthritis, an...

Eaton, Dorman Bridgman

(Encyclopedia)Eaton, Dorman Bridgman, 1823–99, American reformer, b. Hardwick, Vt. He was a law partner of William Kent in New York City. His major interests were reform in municipal administration and abolition ...

Wald, Lillian D.

(Encyclopedia)Wald, Lillian D. wôld [key], 1867–1940, American social worker and pioneer in public health nursing. In 1893 she organized a visiting nurse service, which became the nucleus of the noted Henry Stre...

Brundtland, Gro Harlem

(Encyclopedia)Brundtland, Gro Harlem bro͝ontˈländ [key], 1939–, Norwegian political leader. She worked as a physician in the national health service until appointed (1974) minister of the environment. She beca...