(Encyclopedia) iron, metallic chemical element; symbol Fe [Lat. ferrum]; at. no. 26; at. wt. 55.845; m.p. about 1,535℃; b.p. about 2,750℃; sp. gr. 7.87 at 20℃; valence +2, +3, +4, or +6. Iron is…
Here are the key news events of the month organized into three categories: World News, U.S. News, and Business, Society, and Science News. World | Nation | Business/…
Ten Major Cloud TypesWeatherPartly to Mostly CloudyMoisture and HumidityIn the CloudsTen Major Cloud TypesForecasting by Clouds In biblical times, Job asked, "Can any understand the spreadings of…
Conservation efforts help population of bald eagle increase from 400 to 10,000 over 40 years by Beth Rowen Bald Eagle Related Links Endangered and Threatened SpeciesWhy Do Animals Become…
NCAA Team Breakdown South, East, West, Midwest RELATED LINKS: Infoplease NCAA Preview College Basketball Through the Years THE SOUTH Stanford (26-3) Cincinnati (28-3)…
(Encyclopedia) hydrogen sulfide, chemical compound, H2S, a colorless, extremely poisonous gas that has a very disagreeable odor, much like that of rotten eggs. It is slightly soluble in water and is…
(Encyclopedia) hybridhybridhīˈbrĭd [key], term applied by plant and animal breeders to the offspring of a cross between two different subspecies or species, and by geneticists to the offspring of…
(Encyclopedia) herbarium, collection of dried and mounted plant specimens used in systematic botany. To preserve their form and color, plants collected in the field are spread flat in sheets of…
(Encyclopedia) grunt, common name for members of the family Haemulidae, carnivorous fish of warm seas, most species of which are small and brightly colored. They are sound-producers, creating their…
(Encyclopedia) Gesualdo, CarloGesualdo, Carlokärˈlō jāz&oomacr;älˈdō [key], Prince of Venosa, c.1560–1613, Italian composer. Gesualdo's first musical work was published in 1585. His complex later…