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Shaula

(Encyclopedia) Shaula, bright star in the constellation Scorpius; Bayer designation Lambda Scorpii; 1992 position R.A. 17h33.7m, Dec. −37°06′. A bluish-white star of spectral class B1 V, its apparent…

Libra

(Encyclopedia) LibraLibralēˈbrə, līˈ– [key] [Lat.,=the scales], southern constellation lying on the ecliptic (the sun's apparent path through the heavens) between Virgo and Scorpius; it is one of the…

Scorpius

(Encyclopedia) ScorpiusScorpiusskôrˈpēəs [key] or ScorpioScorpius–pēō [key] [Lat.,=the scorpion], conspicuous southern constellation lying on the ecliptic (the sun's apparent path through the heavens…

Northrop, John Knudson

(Encyclopedia) Northrop, John Knudson, 1895–1981, American aviation pioneer, inventor, and executive, b. Newark, N.J. He worked for the Loughead Aircraft Manufacturing Co. (1916–20) as a draftsman,…

horseshoe crab

(Encyclopedia) horseshoe crab, large, primitive marine arthropod of the family Limulidae, related to the spider and scorpion and sometimes called a king crab (a name also used for the largest of the…

Golding, William

(Encyclopedia) Golding, William (Sir William Gerald Golding), 1911–93, English novelist, grad. Oxford (B.A. 1934). Praised for his highly imaginative and original writings, Golding was basically…

tarantula

(Encyclopedia) tarantulatarantulatərănˈchələ [key], name applied chiefly to species of the large, hairy spiders of the family Theraphosidae of North and South America, Africa, S and SE Asia, and…

sting

(Encyclopedia) sting, in zoology, organ found in bees, many wasps, some ants, and in scorpions and sting rays, used defensively as well as to kill or paralyze prey. In the bee and the wasp the venom…

serotonin

(Encyclopedia) serotoninserotoninsĕrˌətōˈnĭn [key], organic compound that was first recognized as a powerful vasoconstrictor occurring in blood serum. It was partially purified, crystallized, and…