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Holzer, Jenny

(Encyclopedia)Holzer, Jenny, 1950–, American artist, b. Gallipolis, Ohio. She links text and image in works of art composed of short aphorisms or longer declarations. Influenced by Dada, conceptual art, and femin...

retrovirus

(Encyclopedia)retrovirus, type of RNA virus that, unlike other RNA viruses, reproduces by transcribing itself into DNA. An enzyme called reverse transcriptase allows a retrovirus's RNA to act as the template for th...

Kramer, Larry

(Encyclopedia)Kramer, Larry (Lawrence David), 1935-2020 American gay-rights activist and playwright, b. Bridgeport, Ct., Yale Univ. (B.A., 1957). After graduating co...

Louganis, Greg E.

(Encyclopedia)Louganis, Greg E. lo͞ogāˈnĭs [key], 1960–, American diver, b. San Diego, Calif. He won gold medals in springboard diving and platform diving in the 1984 Olympics and repeated in both categories ...

McNally, Terrence

(Encyclopedia)McNally, Terrence, 1939–2020, American playwright, b. St. Petersburg, Fla., grad. Columbia, 1960. Known for his dark humor, social satire, and focus on human isolation and the need to connect, he of...

cytomegalovirus

(Encyclopedia)cytomegalovirus sīˌtəmĕgˌəlōvīˈrəs [key], member of the herpesvirus family that can cause serious complications in persons with weakened immune systems and infants. A common virus, it is est...

Chagas' disease

(Encyclopedia)Chagas' disease, disease of South and Central America caused by the parasite Trypanosoma cruzi. It usually affects children and young adults and is transmitted by the feces of infected insects, typica...

immunology

(Encyclopedia)immunology, branch of medicine that studies the response of organisms to foreign substances, e.g., viruses, bacteria, and bacterial toxins (see immunity). Immunologists study the tissues and organs of...

trichomoniasis

(Encyclopedia)trichomoniasis trĭkˌəmənīˈəsĭs [key], sexually transmitted disease caused by the parasitic protozoan Trichomonas vaginalis. In women, it can cause urinary tract infection and a painful, malodo...

liberty, in political science

(Encyclopedia)liberty, term used to describe various types of individual freedom, such as religious liberty, political liberty, freedom of speech, right of self-defense, and others. It is also used as a general ter...