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Richard Bright
Richard Bright 1789-1858, English physician. In London he was the leading consultant of his time, and he contributed many important clinical observations. He was the author of the significant Reports of Medical Cases (Vol. I, 1827). This contained his description of certain forms of nephritis , ...
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unicorn
unicorn , fabulous equine beast with a long horn jutting from the middle of its forehead. Once thought to be native to India, the unicorn was reportedly seen throughout the world. It was often considered as a composite creature, having the features of various animals. The unicorn is depicted as a be...
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Holocene epoch
Holocene epoch or Recent epoch, most recent of all subdivisions of geologic time, ranging from the present back to the time (c.11,000 years ago) of almost complete withdrawal of the glaciers of the preceding Pleistocene epoch . During the Holocene epoch, the sculpturing of the earth's surface ...
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pedophilia
pedophilia psychosexual disorder in which there is a preference for sexual activity with prepubertal children. Pedophiles are almost always males. The children are more often of the opposite sex (about twice as often) and are typically 13 years or age or younger; they may be within or outside the p...
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David Hilbert
David Hilbert (1862-1943), German mathematician, professor at Königsberg (1886-95) and Göttingen (1895-1930), b. Königsberg, Germany. His proof of the theorum of invariants (1890) supplanted earlier computational work on the subject and paved the way for modern algebraic geometry. His...
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global warming
global warming the gradual increase of the temperature of the earth's lower atmosphere as a result of the increase in greenhouse gases since the Industrial Revolution .
The temperature of the atmosphere near the earth's surface is warmed through a natural process called the greenhouse effect....
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Friedrich August von Hayek
Friedrich August von Hayek , 1899-1992, British economist, b. Vienna. He was raised and educated in Austria and taught at the London School of Economics in the 1930s, where he gained attention for his criticism of Keynes . He expressed his commitment to free markets and his aversion to government i...
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Albert Arnold Gore, Jr.
Albert Arnold Gore, Jr. 1948-, vice president of the United States (1993-2001), b. Washington, D.C., grad. Harvard, 1969. After serving in the army in Vietnam and working as a reporter, he was elected (1976) to the U.S. House of Representatives from Tennessee as a Democrat. In the Senate (1985-93),...
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Seaham
Seaham , town (1991 pop. 21,807), Durham, NE England, on the North Sea. Mining and shipping coal were major industries. The manufacture of clothing is now a significant industry.
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chi-square test
chi-square test (ky-skwair) n. (in statistics) a test to determine if the difference between two groups of observations is statistically significant (see significance), used in controlled trials and other studies. It measures the differences between theoretical and observed frequencies (see frequen...
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