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homeopathy

(Encyclopedia)homeopathy hōmēŏpˈəthē [key], system of medicine whose fundamental principle is the law of similars—that like is cured by like. It was first given practical application by Samuel Hahnemann of ...

physical fitness

(Encyclopedia)physical fitness, combined good health and physical development. The object of any program of physical fitness is to maximize an individual's health, strength, endurance, and skill relative to age, se...

Taussig, Helen Brooke

(Encyclopedia)Taussig, Helen Brooke, 1898–1986, American physician, b. Cambridge, Mass., M.D. Johns Hopkins Univ., 1927. She spent her entire career at Johns Hopkins, where she founded the field of pediatric card...

tranquilizer

(Encyclopedia)tranquilizer, drug whose action calms the central nervous system, decreasing emotional agitation without impairing alertness. Tranquilizing drugs differ from hypnotic drugs such as barbiturates in tha...

Blobel, Günter

(Encyclopedia)Blobel, Günter günˈtər blōˈbəl [key], 1936–2018, German cell and molecular biologist, M.D. Univ. of Tübingen, 1960, Ph.D. Univ. of Wisconsin, Madison, 1967. Blobel was on the faculty at the ...

Samper Pizano, Ernesto

(Encyclopedia)Samper Pizano, Ernesto ĕrnĕsˈtō sämpĕrˈ pēzäˈnō [key], 1950–, Colombian politician, president of Colombia (1994–98), b. Bogotá. An economist, lawyer, former professor, and member of th...

Banks, Dennis James

(Encyclopedia)Banks, Dennis James, 1937–2017, Native American civil-rights activist, b. Leech Lake Reservation, Minn. Of Ojibwa (Chippewa) heritage, he helped found the American Indian Movement (1968) to fight fo...

Sinaloa

(Encyclopedia)Sinaloa sēnälōˈä [key], state (1990 pop. 2,204,054), 22,582 sq mi (58,487 sq km), W Mexico, on the Gulf of California and the Pacific Ocean. Culiacán is the capital. A long, narrow territory lyi...

bacteriophage

(Encyclopedia)bacteriophage băktērˈēəfājˌ [key], virus that infects bacteria and sometimes destroys them by lysis, or dissolution of the cell. Bacteriophages, or phages, have a head composed of protein, an i...

streptococcus

(Encyclopedia)streptococcus strĕpˌtəkŏkˈəs [key], any of a group of gram-positive bacteria, genus Streptococcus, some of which cause disease. Streptococci are spherical and divide by fission, but they remain ...