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aye-aye

(Encyclopedia) aye-ayeaye-ayeīˈīˈ [key], name for an aberrant primate, Daubentonia madagascariensis, related to the lemurs but distinguished by its specialized teeth and fingers. A large nocturnal…

net neutrality

(Encyclopedia) net neutrality, the principle or requirement that Internet service providers (ISPs) allow equal access to all Internet content. The issue of insuring net neutrality has become of…

Kant, Immanuel

(Encyclopedia) Kant, ImmanuelKant, Immanuelĭmänˈ&oomacr;ĕl känt [key], 1724–1804, German metaphysician, one of the greatest figures in philosophy, b. Königsberg (now Kaliningrad, Russia). The…

congenital heart disease

(Encyclopedia) congenital heart disease, any defect in the heart present at birth. There is evidence that some congenital heart defects are inherited, but the cause of most cases is unknown. One…

gas

(Encyclopedia) gas, in physics, one of the three commonly recognized states of matter, the other two being solid and liquid. A substance in the gaseous state has neither definite shape nor definite…

Frederick VI, king of Denmark and Norway

(Encyclopedia) Frederick VI, 1768–1839, king of Denmark (1808–39) and Norway (1808–14), son and successor of Christian VII. After the court party had executed Struensee, expelled Frederick's mother,…

Goncourt, Edmond Louis Antoine Huot de

(Encyclopedia) Goncourt, Edmond Louis Antoine Huot deGoncourt, Edmond Louis Antoine Huot deĕdmôNˈ lwē äNtwänˈ üōˈ də gôNk&oomacr;rˈ [key], 1822–96, and Jules Alfred Huot de GoncourtGoncourt,…

Habré, Hissène

(Encyclopedia) Habré, HissèneHabré, Hissènehēsĕnˈ häbrāˈ [key], 1942–, Chadian political leader, president of Chad (1982–90). He studied political science in Paris during the late 1960s and,…

anaplasmosis

(Encyclopedia) anaplasmosisanaplasmosisănˌəplăzmōˈsĭs [key], infectious blood disease in cattle, sheep, and goats, caused by a rickettsia of the genus Anaplasma. The organism parasitizes red blood…

antibody

(Encyclopedia) antibody, protein produced by the immune system (see immunity) in response to the presence in the body of antigens: foreign proteins or polysaccharides such as bacteria, bacterial…