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13 Topic Pages Found in Science and starting with the letter Z
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Zadar (Croatia)

( zä'där ), Ital. Zara, city (2011 pop. 75,062), W Croatia, on the Dalmatian coast of the Adriatic Sea. A seaport and a tourist center, it has

Open Zebras

herbivorous hoofed African mammal of the genus Equus, which also includes the horse and the ass. It is distinguished by its striking pattern of black

Open Zeeman effect
Zeeman effect

splitting of a single spectral line (see spectrum ) into a group of closely spaced lines when the substance producing the single line is subjected to

Zeeman, Pieter, 1865-1943

Place : Zeeman Subject : (Erik) Christopher Dutch physicist who discovered the Zeeman effect, which is the splitting of spectral lines in an intense

Zewail, Ahmed H.

Egyptian-born US chemist who was awarded the Nobel Prize for Chemistry in 1999 for his use of femtosecond spectroscopy in the study of the transition

Open Zinc

metallic chemical element; symbol Zn; at. no. 30; at. wt. 65.38; m.p. 419.58 degrees Celsius; b.p. 907 degrees Celsius; sp. gr. 7.133 at 25 degrees

Zinkernagel, Rolf M.

Swiss immunologist and pathologist who with Australian immunologist and pathologist Peter C Doherty was awarded the Nobel Prize for Physiology or

Open Zircon

Zircon is a zirconium silicate well-known for its popular gem-quality stones. The name derives from the Arabic word zargun , meaning ‘golden colour’.

Open Zirconium

( zərkō'nēəm ), metallic chemical element; symbol Zr; at. no. 40; at. wt. 91.224; m.p. about 1,852 degrees Celsius; b.p. 4,377 degrees Celsius; sp.

Open Zodiac

Zone of the heavens containing the paths of the Sun, Moon, and planets. When this was devised by the ancient Greeks, only five planets were known,