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transuranium elements

(Encyclopedia)transuranium elements, in chemistry, radioactive elements with atomic numbers greater than that of uranium (at. no. 92). All the transuranium elements of the actinide series were discovered as synthet...

forest

(Encyclopedia)forest, a dense growth of trees, together with other plants, covering a large area of land. The science concerned with the study, preservation, and management of forests is forestry. A forest is an ec...

museums of science

(Encyclopedia)museums of science, institutions or buildings where collections relevant to science and technology are preserved and displayed to promote education and research. While the preponderance of these museu...

Solzhenitsyn, Aleksandr Isayevich

(Encyclopedia)Solzhenitsyn, Aleksandr Isayevich əlyĭksänˈdər ēsīˈəvĭch sôlˌzhənētˈsĭn [key], 1918–2008, Russian writer widely regarded as one of the greatest and most influential authors of the 20...

Illinois, state, United States

(Encyclopedia)CE5 Illinois, midwestern state in the N central United States. It is bordered by Lake Michigan and Indiana (E); Kentucky, across the Ohio River (SE); Missouri and Iowa, across the Mississippi River...

Maryland

(Encyclopedia)CE5 Maryland mârˈələnd [key], one of the Middle Atlantic states of the United States. It is bounded by Delaware and the Atlantic Ocean (E), the District of Columbia (S), Virginia and West Virgi...

Cretaceous period

(Encyclopedia)Cretaceous period krĭtāˈshəs [key], third and last period of the Mesozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), lasting from approximately 144 to 65 millio...

Connecticut, state, United States

(Encyclopedia)CE5 Connecticut kənĕtˈĭkət [key], southernmost of the New England states of the NE United States. It is bordered by Massachusetts (N), Rhode Island (E), Long Island Sound (S), and New York (W)...

Iowa, state, United States

(Encyclopedia)CE5 Iowa īˈəwə [key], midwestern state in the N central United States. It is bounded by the Mississippi River, across which lie Wisconsin and Illinois (E); Missouri (S); Nebraska and South Dako...

Georgia, state, United States

(Encyclopedia)CE5 Georgia jôrˈjə [key], state in the SE United States, the last of the Thirteen Colonies to be founded. It is bordered by Florida (S), Alabama (W), Tennessee and North Carolina (N), and South ...