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periodic table

(Encyclopedia)CE5 periodic table, chart of the elements arranged according to the periodic law discovered by Dmitri I. Mendeleev and revised by Henry G. J. Moseley. In the periodic table the elements are arrange...

Doudna, Jennifer Anne

(Encyclopedia)Doudna, Jennifer Anne, 1964–, American biochemist, b. Washington, D.C., Ph.D. Harvard Medical School, 1989. Doudna was a professor at Yale from 1994 to 2002, when she joined the faculty at the Univ....

corporative state

(Encyclopedia)corporative state, economic system inaugurated by the Fascist regime of Benito Mussolini in Italy. It was adapted in modified form under other European dictatorships, among them Adolf Hitler's Nationa...

Martin, William McChesney, Jr.

(Encyclopedia)Martin, William McChesney, Jr., 1906–98, U.S. banker, chairman of the Board of Governors of the Federal Reserve System (1951–70), b. St. Louis. After an early career as a stockbroker, Martin becam...

domestic service

(Encyclopedia)domestic service, work performed in a household by someone who is not a member of the family. It was performed by slaves in many early civilizations, e.g., in Greece and Rome. Under the feudal system ...

encomienda

(Encyclopedia)encomienda ānkōmyānˈdä [key] [Span. encomendar=to entrust], system of tributory labor established in Spanish America. Developed as a means of securing an adequate and cheap labor supply, the enco...

zero

(Encyclopedia)zero, that number which, when added to any number, leaves the latter unchanged; its symbol is 0. The introduction of zero into the decimal system was the most significant achievement in the developmen...

subtreasury

(Encyclopedia)subtreasury. After President Andrew Jackson vetoed (July 10, 1832) the bill to recharter the Second Bank of the United States, the deposits were removed and placed in state banks that came to be calle...

school vouchers

(Encyclopedia)school vouchers, government grants aimed at improving education for the children of low-income families by providing school tuition that can be used at public or private schools. The idea behind schoo...

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