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garter snake

(Encyclopedia)garter snake, harmless snake of the genus Thamnophis, abundant from Canada to Central America. There are many common species; members of most species are about 2 ft (60 cm) long. Most garter snakes ar...

homology

(Encyclopedia)CE5 Homology in bones of a bird wing and an amphibian foreleg homology hōmŏlˈəjē [key], in biology, the correspondence between structures of different species that is attributable to their ev...

Gulf Cooperation Council

(Encyclopedia)Gulf Cooperation Council (GCC), officially Cooperation Council for the Arab States of the Gulf, organization (est. 1981) promoting stability and economic cooperation among Persian Gulf nations. Its me...

flatfish

(Encyclopedia)flatfish, common name for any member of the unique and widespread order Pleuronectiformes containing over 500 species (including the flounder, halibut, plaice, sole, and turbot), 130 of which are Amer...

desert lily

(Encyclopedia)desert lily, common name for the species Hesperocallis undulata, a member of the family Liliaceae (lily family), found in the SW United States. ...

quillwort

(Encyclopedia)quillwort, common name for several species of the plant genus Isoetes, which grow in ponds, slow streams, and swampy places. See Lycopodiophyta. ...

lodgepole pine

(Encyclopedia)lodgepole pine, common name for the pine species Pinus contorta, found in the Rocky Mts. and the northwestern coast of the United States. ...

touch-me-not

(Encyclopedia)touch-me-not, common name for any plant of the genus Impatiens of the jewelweed family. I. balsamina is also called balsam. ...

nitrogen mustard

(Encyclopedia)nitrogen mustard, any of various poisonous compounds originally developed for military use (see poison gas). Like mustard gas and lewisite, it is a vesicant (blistering agent). In the form of its crys...

Lorenz, Edward Norton

(Encyclopedia)Lorenz, Edward Norton, 1917–2008, American meteorologist and pioneer of chaos theory, b. West Hartford, Conn., Ph.D. Massachusetts Institute of Technology, 1948. Lorenz became interested in meteorol...