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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. ...

United Kingdom of Great Britain and Northern Ireland

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

Hamilton, Alice

(Encyclopedia)Hamilton, Alice, 1869–1970, American toxicologist, physician, and educator, b. New York City, M.D. Univ. of Michigan, 1893; she continued her studies in Germany. A pioneer in industrial diseases and...

Montessori, Maria

(Encyclopedia)Montessori, Maria märēˈä mōntās-sôˈrē [key], 1870–1952, Italian educator and physician. She was the originator of the Montessori method of education for young children and was the first wom...

disease

(Encyclopedia)disease, impairment of the normal state or functioning of the body as a whole or of any of its parts. Some diseases are acute, producing severe symptoms that terminate after a short time, e.g., pneumo...

polychlorinated biphenyl

(Encyclopedia)polychlorinated biphenyl or PCB, any of a group of organic compounds originally widely used in industrial processes but later found to be dangerous environmental pollutants. Polychlorinated biphenyl 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...

reciprocal trade agreement

(Encyclopedia)reciprocal trade agreement, international commercial treaty in which two or more nations grant equally advantageous trade concessions to each other. It usually refers to treaties dealing with tariffs....

Lubin, David

(Encyclopedia)Lubin, David lo͞oˈbĭn [key], 1849–1919, American agriculturist, b. Poland. After prospering as a merchant in California, he devoted himself to helping farmers with their problems. Through his eff...

Stevens, Abel

(Encyclopedia)Stevens, Abel, 1815–97, American clergyman, noted as the historian of Methodism, b. Philadephia, studied Wesleyan Univ. He became (1834) a member of the New England Methodist Conference, and filled ...