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computer terminal

(Encyclopedia) computer terminal, a device that enables a computer to receive or deliver data. Computer terminals vary greatly depending on the format of the data they handle. For example, a simple…

collagen

(Encyclopedia) collagencollagenkŏlˈəjən [key], any of a group of proteins found in skin, ligaments, tendons, bone and cartilage, and other connective tissue. Cells called fibroblasts form the various…

histology

(Encyclopedia) histologyhistologyhĭstŏlˈəjē [key], study of the groups of specialized cells called tissues that are found in most multicellular plants and animals. Histologists study the organization…

hafnium

(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…

Modoc

(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…

Madonna

(Encyclopedia) Madonna (Madonna Louise Ciccone) Madonna mədŏnˈə, chĭkōˈnē [key], 1958…

Watson, James Dewey

(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…

What Curiosity Can Tell Us About Mars

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…

Baseball's Perfect Games

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…

DK Science: Video

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’…