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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 is produced by g...

rhythm, biological

(Encyclopedia)rhythm, biological, or biorhythm, cyclic pattern of physiological changes or changes in activity in living organisms, most often synchronized with daily, monthly, or annual cyclical changes in the env...

lighting

(Encyclopedia)CE5 Incandescent lamp CE5 Basic fluorescent lamp lighting, light produced by artificial means to allow visibility in enclosures and at night. For stage lighting, see scene design and stage ligh...

first aid

(Encyclopedia)first aid, immediate and temporary treatment of a victim of sudden illness or injury while awaiting the arrival of medical aid. Proper early measures may be instrumental in saving life and ensuring a ...

atmosphere

(Encyclopedia)CE5 Atmosphere atmosphere [Gr.,=sphere of air], the mixture of gases surrounding a celestial body with sufficient gravity to maintain it. Although some details about the atmospheres of other plane...

DeLay, Tom

(Encyclopedia)DeLay, Tom (Thomas Dale DeLay), 1947–, American politician, b. Laredo, Tex., grad. Univ. of Houston (B.S., 1970). A conservative Republican businessman, he entered politics (1979) as a Texas state l...

dream

(Encyclopedia)dream, mental activity associated with the rapid-eye-movement (REM) period of sleep. It is commonly made up of a number of visual images, scenes or thoughts expressed in terms of seeing rather than in...

Ferdinand I, king of the Two Sicilies

(Encyclopedia)Ferdinand I, 1751–1825, king of the Two Sicilies (1816–25). He had previously been king of Naples (1759–99, 1799–1805, 1815–16) as Ferdinand IV and king of Sicily (1759–1816) as Ferdinand ...

Herat

(Encyclopedia)Herat hĕrätˈ [key], city (1984 est. pop. 161,000), capital of Herat prov., NW Afghanistan, on the Hari Rud. The fertile river valley is renowned for its fruits, especially grapes. Herat has textile...

Graham, Katharine Meyer

(Encyclopedia)Graham, Katharine Meyer, 1917–2001, American publisher, b. New York City, grad. Univ. of Chicago (1938). She first worked as a copy girl at the Washington Post, which was owned by her father, Eugene...