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Omura, Satoshi

(Encyclopedia)Omura, Satoshi, 1935–, Japanese biochemist, grad .Univ. of Tokyo (Ph.D. 1968), Tokyo Univ. of Science (Ph.D. 1970). He has been a researcher and leader at the Kitasato Institute since 1965. Omura sh...

Still, Clyfford

(Encyclopedia)Still, Clyfford, 1904–80, American painter, b. Grandin, N.Dak. A brilliant painter, he was one of the founders of abstract expressionism, although never one of the style's best-known practitioners. ...

tanzanite

(Encyclopedia)tanzanite tănzănˈīt [key], beautiful gemstone discovered in 1967 in the Umba Valley near the Usambara Mts. in Tanzania, a precious variety of the mineral zoisite, a calcium aluminum silicate. Zois...

conjunctivitis

(Encyclopedia)conjunctivitis kənjəngtəvīˈtəs [key], inflammation or infection of the mucosal membrane that covers the eyeball and lines the eyelid, usually acute, caused by a virus or, less often, by a bacill...

mustard gas

(Encyclopedia)mustard gas, chemical compound used as a poison gas in World War I. The burning sensation it causes on contact with the skin is similar to that caused by oil from black mustard seeds. The compound is ...

Goldmark, Peter Carl

(Encyclopedia)Goldmark, Peter Carl, 1906–77, Hungarian-American engineer, b. Budapest. He studied at the Univ. of Vienna (B.S., 1929, Ph.D., 1931); worked for a radio company in England (1931–33). After emigrat...

characin

(Encyclopedia)characin –sĭd [key], common name for members of the Characidae, a large and diverse family comprising 700 species of freshwater fishes. The characins are related to the carp and the catfish. They a...

iritis

(Encyclopedia)iritis īrīˈtĭs [key], inflammation of the iris, the pigmented portion of the eye surrounding the pupil. The condition is sometimes associated with diabetes, with rheumatic diseases such as rheumat...

methanol

(Encyclopedia)methanol, methyl alcohol, or wood alcohol, CH3OH, a colorless, flammable liquid that is miscible with water in all proportions. Methanol is a monohydric alcohol. It melts at −97.8℃ and boils at 6...

Campbell, William Cecil

(Encyclopedia)Campbell, William Cecil, 1930–, Irish-American biologist and parasitologist, b. Derry, Northern Ireland, Ph.D. Univ. of Wisconsin–Madison, 1957. He became a U.S. citizen in 1962. From 1957 to 1990...