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HENRY, William, Congress, PA (1729-1786)

HENRY, William, a Delegate from Pennsylvania; born near Downington, Chester County, Pa., May 19, 1729; attended the common schools; worked as a gunsmith; justice of the court of common pleas of…

Anthrax FAQs

Anthrax FAQs Handling mail; learning the facts Source: CDC and USPS   Related Links Encyclopedia: Anthrax Occupational Diseases Biological Warfare Blackleg DoD…

athlete's heart

(Encyclopedia) athlete's heart, common term for an enlarged heart associated with repeated strenuous exercise. As a result of the increased workload required of it, the heart will increase…

killdeer

(Encyclopedia) killdeer, common North American shorebird related to the plover and the sandpiper. It is about 10 in. (25 cm) in length and its plumage is grayish brown with a double black band across…

Mundell, Robert A.

(Encyclopedia) Mundell, Robert A., 1932–2021, Canadian economist, b. Kingston, Ont., Massachusetts Institute of Technology (Ph.D. , 1956). He taught at…

Hastings, Serranus Clinton

(Encyclopedia) Hastings, Serranus ClintonHastings, Serranus Clintonsĕrˈənəs [key], 1814–93, American judge, b. Jefferson co., N.Y. He was admitted to the Indiana bar in 1836 and moved to Iowa soon…

Graham, Thomas

(Encyclopedia) Graham, Thomas, 1805–69, Scottish chemist, best known for research in diffusion in both gases and liquids that led to his formulation of Graham's law. His discovery that certain…

erysipelas

(Encyclopedia) erysipelaserysipelasĕrəsĭpˈələs [key], acute infection of the skin characterized by a sharply demarcated, shiny red swelling, accompanied by high fever and a feeling of general illness…

indicators, acid-base

(Encyclopedia) indicators, acid-base, organic compounds that, in aqueous solution, exhibit color changes indicative of the acidity or basicity of the solution. Common indicators include p-nitrophenol…