(Encyclopedia) hafniumhafniumhăfˈnēəm [key], metallic chemical element; symbol Hf; at. no. 72; at. wt. 178.49; m.p. about 2,227℃; b.p. 4,602℃; sp. gr. 13.31 at 20℃; valence +4. Hafnium is a lustrous…
(Encyclopedia) ModocModocmōˈdŏk [key], Native North Americans whose language belongs to the Sahaptin-Chinook branch of the Penutian linguistic stock (see Native American languages). They formerly…
(Encyclopedia) Watson, James Dewey, 1928–, American biologist and educator, b. Chicago, Ill., grad. Univ. of Chicago, 1947, Ph.D. Univ. of Indiana, 1950. With F. H. C. Crick he began (1951) research…
The 1 ton rover proves to be a huge success for NASA by Jennie Wood Here's one of the first images of Mars taken by NASA's Curiosity rover. Photo Credit: NASA Related Links Space…
Pitching PerfectionThe very first perfect game in 1904 by Mike Morrison RELATED LINKS David Cone's Perfect GameBaseball's 15th Perfect Game May 5th marks the 96th…
HOME CAMCORDERPROFESSIONAL VIDEOCCD SENSORFIND OUT MOREVideo cameras are small television cameras that can capture images on a portable recording device, such as an in-built tape or the camera’…
What is this job like? Nurses, also called registered nurses or RNs, take care of sick and injured people. They give people medicine. They treat wounds. And they give emotional support to patients…
by David Johnson A cosmopolitan city-state at the tip of the Malay Peninsula, Singapore has a mixed population of Chinese, Indians, Malays, and some Europeans. Each ethnic group has its own…
Biographies of U.S. representatives and senators from Illinois
Member Name Birth-Death ADAIR, Jackson Leroy 1887-1956 ADAMS, George Everett 1840-1917 ADKINS, Charles 1863-1941…
