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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’…

Nurse

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…

Asian Food Primer: Singapore Food

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…