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Cenis, Mont

(Encyclopedia)Cenis, Mont môN sənēˈ [key], Ital. Moncenisio, Alpine pass, 6,831 ft (2,082 m) high, on the French-Italian border. It is one of the great invasion routes in Italian history. Napoleon I built a new...

Alzheimer's disease

(Encyclopedia)Alzheimer's disease ălsˈhīˌmərz, ôls– [key], degenerative disease of nerve cells in the cerebral cortex that leads to atrophy of the brain and senile dementia and, ultimately, death. The disea...

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...

sickle cell disease

(Encyclopedia)sickle cell disease or sickle cell anemia, inherited disorder of the blood in which the oxygen-carrying hemoglobin pigment in erythrocytes (red blood cells) is abnormal. This “hemoglobin-S” crysta...

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...

Duke University

(Encyclopedia)Duke University, at Durham, N. C.; coeducational; opened 1838, chartered 1841 as Union Institute in Randolph County. Reorganized 1852 as Normal College, it became Trinity College (Methodist) in 1859 a...

Dartmouth College

(Encyclopedia)Dartmouth College, at Hanover, N.H.; coeducational; chartered 1769, opened 1770, the ninth colonial college (see Wheelock, Eleazar). Originally a men's college, Dartmouth began admitting women in 1972...

Altoona

(Encyclopedia)Altoona ălto͞oˈnə [key], industrial city (2020 pop. 43,963), Blair co., central Pa., on the eastern slopes of the Allegheny Mts., near the source of the Juniata River;...

Hutchins, Thomas

(Encyclopedia)Hutchins, Thomas, 1730–89, American frontiersman, surveyor, and geographer, b. Monmouth co., N.J. He took part in the French and Indian War and gained a reputation for his engineering ability throug...

Horsham

(Encyclopedia)Horsham hôrˈshəm [key], town and district, West Sussex, SE England. Horsham is known prima...