(Encyclopedia) Chaudière Falls, in the Ottawa River in the heart of the city of Ottawa, Ont., Canada. The river is narrowed by rocky cliffs to a width of c.200 ft (60 m) and drops 50 ft (15 m) in a…
(Encyclopedia) coronary artery disease, condition that results when the coronary arteries are narrowed or occluded, most commonly by atherosclerotic deposits of fibrous and fatty tissue. Coronary…
HEART DISEASE INFECTIOUS DISEASES CANCER FIND OUT MORE
When a person has a disease, a part of that person’s body fails to function properly. Diseases produce different patterns of symptoms:…
(Encyclopedia) Jordan, river, 60 mi (97 km) long, draining Utah Lake N into Great Salt Lake, N central Utah; it passes through Salt Lake City. Fed by numerous streams flowing off the Wasatch Range,…
(Encyclopedia) Dickinson, city (2020 pop. 25,679), seat of Stark co., SW N.Dak., on the Heart River; inc. 1919. It is a processing and shipping center…
(Encyclopedia) Adnan, Etel, 1925-2021, Lebanese-American author and artist, b. Beirut, Lebanon. Adnan studied at the Sorbonne and did postgraduate work at the Univ. of Calif., Berkeley…
(Encyclopedia) thrombosisthrombosisthrŏmbōˈsĭs [key], obstruction of an artery or vein by a blood clot (thrombus). Arterial thrombosis is generally more serious because the supply of oxygen and…
(Encyclopedia) stun gun, hand-held electronic device that produces a high-voltage pulse that can immobilize a person for several minutes with no permanent damage in most cases. It is powered by…
