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Zika virus

(Encyclopedia)Zika virus zēˈkə [key], single-stranded RNA virus of the genus flavivirus that infects human and primates and causes a disease known as Zika fever or zika. It is primarily transmitted by the bite o...

Shakur, Tupac Amaru

(Encyclopedia) Shakur, Tupac Amaru, 1971-1996, African-American rap artist, composer, and actor, b. New York, N.Y., as Lesane Parish Crooks. Tupac’s mother was a ...

Roth, Philip

(Encyclopedia)Roth, Philip (Philip Milton Roth), 1933–2018, American author, one of the most important novelists of the 20th cent., b. Newark, N.J., B.A. Bucknell Univ., 1954, M.A. Univ. of Chicago, 1955. His wri...

Collins, Patricia Hill

(Encyclopedia)Collins, Patricia Hill, 1948–, American sociologist and social theorist, b. Philadelphia, Ph.D. Brandeis University, 1984. A noted ...

infection

(Encyclopedia)infection, invasion of plant or animal tissues by microorganisms, i.e., bacteria, viruses, viroids, fungi, rickettsias, and protozoans. The invasion of body tissues by parasitic worms and other higher...

hepatitis

(Encyclopedia)hepatitis hĕpˌətīˈtĭs [key], inflammation of the liver. There are many types of hepatitis. Causes include viruses, toxic chemicals, alcohol consumption, parasites and bacteria, and certain drugs...

heredity

(Encyclopedia)heredity, transmission from generation to generation through the process of reproduction in plants and animals of factors which cause the offspring to resemble their parents. That like begets like has...

aggression

(Encyclopedia)aggression, a form of behavior characterized by physical or verbal attack. It may appear either appropriate and self-protective, even constructive, as in healthy self-assertiveness, or inappropriate a...

Brachiopoda

(Encyclopedia)CE5 Internal anatomy of a lamp shell, Magellania, representative of the phylum Brachiopoda Brachiopoda brākēŏpˈədə [key], phylum of shelled sessile or sedentary marine animals, commonly know...

Williams, Tennessee

(Encyclopedia)Williams, Tennessee (Thomas Lanier Williams), 1911–83, American dramatist, b. Columbus, Miss., grad. State Univ. of Iowa, 1938. One of America's foremost 20th-century playwrights and the author of m...