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Cholon

(Encyclopedia)Cholon chōlônˈ, Fr. shôlôNˈ [key], district and former city, since 1932 part of Ho Chi Minh City, Vietnam; on the right bank of the Saigon River, a tributary of the Dong Nai. Cholon is the Chine...

ambivalence

(Encyclopedia)ambivalence ămbĭvˈələns [key], coexistence of two opposing drives, desires, feelings, or emotions toward the same person, object, or goal. The ambivalent person may be unaware of either of the op...

Greengard, Paul

(Encyclopedia)Greengard, Paul, 1925–2019, American neuroscientist, b. New York City, Ph.D. Johns Hopkins, 1953. Greengard was on the staff at Geigy Research Laboratories (1959–67) and a professor at the Albert ...

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...

Ahmed I

(Encyclopedia)Ahmed I äˈmĕd [key], 1589–1617, Ottoman sultan (1603–17), son and successor of Muhammad III to the throne of the Ottoman Empire. The chief event of his reign was the Treaty of Zsitvatorok (1606...

insectivore

(Encyclopedia)insectivore ĭnsĕkˈtəvōrˌ [key], term broadly given to any insect-eating animal or plant. The term also refers to mammals of the former order Insectivora, in which was included the shrew, mole, h...

hammerhead shark

(Encyclopedia)hammerhead shark, active, surface-living shark, genus Sphyrina. Its curious head has lateral projections resembling the crossbar of a T, and its eyes and ears are located in the outer tips of the proj...

oilbird

(Encyclopedia)oilbird, common name for an owllike, cave-dwelling bird, Steatornis caripensis, belonging to the family Steatornithidae. It spends its days in dark caves, maneuvering by means of a batlike sonar devic...

Asian carp

(Encyclopedia)Asian carp, term for several large, hardy freshwater fish of the family Cyprinidae (the minnow family) that are native to E Asia and have become invasive species in the United States. The fish, which ...

mimicry

(Encyclopedia)CE5 Mimicry in butterflies mimicry, in biology, the advantageous resemblance of one species to another, often unrelated, species or to a feature of its own environment. (When the latter results fr...