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Blades, Rubén

(Encyclopedia) Blades, RubénBlades, Rubénr&oomacr;bānˈ bläˈᵺās [key], 1948–, Panamanian singer, songwriter, band leader, and actor. He is a graduate (1972) of the Univ. of Panama law school and…

biophysics

(Encyclopedia) biophysics, application of various methods and principles of physical science to the study of biological problems. In physiological biophysics physical mechanisms have been used to…

toothfish

(Encyclopedia) toothfish, common name for a genus (Dissostichus) of deep-water marine ray-finned fishes found in waters off S South America to Antarctica. The Patagonian toothfish, D. eleginoides, is…

Piltdown man

(Encyclopedia) Piltdown man, name given to human remains found during excavations (1908–15) at Piltdown, Sussex, England, by Charles Dawson. The find led to much speculation and argument. Since they…

green flash

(Encyclopedia) green flash or emerald flash, a refractive phenomenon of the atmosphere where the top edge of the setting (or, less frequently, rising) sun will momentarily turn emerald green. The…

atomic number

(Encyclopedia) atomic number, often represented by the symbol Z, the number of protons in the nucleus of an atom, as well as the number of electrons in the neutral atom. Atoms with the same atomic…

aloe

(Encyclopedia) aloealoeălˈō [key] [Gr.], any species of the genus Aloe, succulent perennials of the family Lilaceae (lily family), native chiefly to the warm dry areas of S Africa and also to…

Franklin, Rosalind Elsie

(Encyclopedia) Franklin, Rosalind Elsie, 1920–58, English molecular biologist and chemist, grad. Newnham College, Cambridge (1941). She spent most of the war years (1942–45) working for the British…

Yonath, Ada E.

(Encyclopedia) Yonath, Ada E., 1939–, Israeli crystallographer, Ph.D. Weizmann Institute of Science, Rehovat, Israel, 1968. Yonath has been a researcher and professor at the Weizmann Institute since…

radium

(Encyclopedia) radiumradiumrāˈdēəm [key] [Lat. radius=ray], radioactive metallic chemical element; symbol Ra; at. no. 88; mass number of most stable isotope 226; m.p. 700℃; b.p. 1,140℃; sp. gr. about…