(Encyclopedia) Hansen, James Edward, 1941–, American astrophysicist and climatologist, b. Denison, Iowa, Ph.D. Univ. of Iowa, 1967. In 1967 he joined the Goddard Institute for Space Studies, and…
(Encyclopedia) Kiefer, AnselmKiefer, Anselmkēˈfər [key], 1945–, German painter. One of the major figures of neoexpressionism, he studied (1970) with Joseph Beuys, who heavily influenced his work. His…
(Encyclopedia) surface tension, tendency of liquids to reduce their exposed surface to the smallest possible area. A drop of water, for example, tends to assume the shape of a sphere. The phenomenon…
(Encyclopedia) UdaipurUdaipur&oomacr;dĭp&oobreve;rˈ, &oomacr;dīˈp&oobreve;r [key] or MewarUdaipurmāwärˈ [key], city and former princely state, now part of Rajasthan state, NW India.…
(Encyclopedia) ultimatumultimatumŭlˌtĭmāˈtəm [key], in international law, final, definitive terms submitted by one disputant nation to the other for immediate acceptance or rejection. Since refusal…
(Encyclopedia) river blindness or onchocerciasis, disease caused by the parasitic nematode worm Onchocerca volvulus. The worm larvae are transmitted by the bites of blackflies (genus Simulium) that…
(Encyclopedia) pitchblendepitchblendepĭchˈblĕndˌ [key], dark, lustrous, heavy mineral, a source of radium and uranium. Largely natural uranium oxides, triuranium octaoxide (U3O8) and uranium dioxide…
(Encyclopedia) Geim, Sir Andre Konstantinovich, 1958–, Russian-born Dutch physicist, Ph.D. Russian Academy of Sciences, 1987. He was a professor at the Univ. of Nijmegen in the Netherlands from 1994…
by Meriwether Lewis and William Clark August 4, 1804August 6, 1804August 5, 1804 August 5th Set out early wind from N E. Great appearance of Wind & rain, (I have remarked that I…
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