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Ignarro, Louis Joseph

(Encyclopedia)Ignarro, Louis Joseph, 1941–. American pharmacologist, b. Brooklyn, N.Y., Ph.D. Univ. of Minnesota, 1966. He was on the faculty at Tulane Univ. from 1979 to 1985, when he became a professor at the U...

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...

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...

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...

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...

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...

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...

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 ...

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 ...