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poll

(Encyclopedia)poll, technique for ascertaining the attitudes or opinions of the total, or some segment of the total, population on given questions, usually on political, economic, and social conditions. Sampling ...

digestive system

(Encyclopedia)CE5 Digestive system digestive system, in the animal kingdom, a group of organs functioning in digestion and assimilation of food and elimination of wastes. Virtually all animals have a digestive ...

bee

(Encyclopedia)bee, name for flying insects of the superfamily Apoidea, in the same order as the ants and the wasps. Bees are characterized by their enlarged hind feet, typically equipped with pollen baskets of stif...

rose

(Encyclopedia)CE5 Pasture rose, Rosa carolina rose, common name for some members of the Rosaceae, a large family of herbs, shrubs, and trees distributed over most of the earth, and for plants of the genus Rosa,...

Byzantine art and architecture

(Encyclopedia)Byzantine art and architecture, works of art and structures works produced in the city of Byzantium after Constantine made it the capital of the Roman Empire (a.d. 330) and the work done under Byzanti...

sulfur

(Encyclopedia)CE5 Sulfur crystals sulfur or sulphur sŭlˈfər [key], nonmetallic chemical element; symbol S; at. no. 16; interval in which at. wt. ranges 32.059–32.076; m.p. 112.8℃ (rhombic), 119.0℃ (mon...

South African literature

(Encyclopedia)South African literature, literary works written in South Africa or written by South Africans living in other countries. Populated by diverse ethnic and language groups, South Africa has a distinctive...

Lewinsky scandal

(Encyclopedia)Lewinsky scandal ləwĭnˈskē [key], sensation that enveloped the presidency of Bill Clinton in 1998–99, leading to his impeachment by the U.S. House of Representatives and acquittal by the Senate....

flight

(Encyclopedia)CE5 Aircraft motions and control surfaces: Yaw, or motion to the left or right, is controlled by the rudder. Pitch, or climbing or dropping, is controlled by the elevators, which move in the same d...

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 ...