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scene design and stage lighting

(Encyclopedia)scene design and stage lighting, settings and illumination designed for theatrical productions. See also drama, Western; Asian drama; theater; directing; acting. Scene designers in the early 20th ce...

Petropavl, city, Kazakhstan

(Encyclopedia)Petropavl pyĕˌtrəpävˈləfsk [key], city (1993 est. pop. 248,000), N Kazakhstan, on the Ishim (Esil) River and at the junction of the Trans-Kazakhstan and Trans-Siberian RR. Small motors, agricult...

hydrogen peroxide

(Encyclopedia)hydrogen peroxide, chemical compound, H2O2, a colorless, syrupy liquid that is a strong oxidizing agent and, in water solution, a weak acid. It is miscible with cold water and is soluble in alcohol an...

Vijayanagar

(Encyclopedia)Vijayanagar vēˈjəyənŭˈgər [key] [Sanskrit,=city of victory], ruined city, SE India. It was the capital (14th–16th cent.) of the Hindu Vijayanagar empire, which embraced all India S of the Kis...

Food and Drug Administration

(Encyclopedia)Food and Drug Administration (FDA), agency of the Public Health Service division of the U.S. Department of Health and Human Services. It is charged with protecting public health by ensuring that foods...

foot-and-mouth disease

(Encyclopedia)foot-and-mouth disease or hoof-and-mouth disease, highly contagious disease almost exclusive to cattle, sheep, swine, goats, and other cloven-hoofed animals. It is caused by a virus, specifically an a...

rock carvings and paintings

(Encyclopedia)rock carvings and paintings, designs inscribed on rock surfaces and huge stone monuments in many parts of the world by prehistoric or preindustrial peoples. They have been found on every continent and...

perfluoroalkyl and polyfluoroalkyl substances

(Encyclopedia)perfluoroalkyl and polyfluoroalkyl substances (PFAS), a group of several thousand synthetic organic chemical compounds made up of a chain of carbon atoms bonded to fluorine atoms. PFAS, which resist w...

monsters and imaginary beasts

(Encyclopedia)monsters and imaginary beasts. The mythologies and legends of ancient and modern cultures teem with an enormous variety of monsters and imaginary beasts. A great number of these are composites of diff...

physical education and training

(Encyclopedia)physical education and training, organized instruction in motor activities that contribute to the physical growth, health, and body image of the individual. The historical roots of physical education ...