(Encyclopedia) Washington, D.C., capital of the United States, coextensive (since 1878, when Georgetown became a part of Washington) with the District…
RAINBOWSPLITTING LIGHTSUNSETCOLOUR SPECTRUMSEEING COLOURFIND OUT MOREOn a sunny day, the world seems light and colourful because our eyes are able to see differences in the wavelengths of light…
(Encyclopedia) state flowers. Each state of the United States has designated, usually by legislative action, one flower as its floral emblem; the rose has been designated by Congress as the national…
(Encyclopedia) pelican, common name for a large, gregarious aquatic bird of warm regions, allied to the cormorants and gannets. Pelicans are heavy-bodied, long-necked birds with large, flat bills.…
Find out how to choose the right colors to wear by Catherine McNiff Related Links Color Psychology QuizHistory of ColorColor: Psychology, Symbolism, and Interesting FactsWhat is Color?…
(Encyclopedia) color, effect produced on the eye and its associated nerves by light waves of different wavelength or frequency. Light transmitted from an object to the eye stimulates the different…
Genes at Work: Mendel's BreakthroughInheritanceIntroductionGenes at Work: Mendel's BreakthroughMeiosis and Sexual ReproductionGametogenesis in Plants and AnimalsRegulation of Gene Expression in…
BURRELL, Orlando, a Representative from Illinois; born in Newton, Bradford County, Pa., July 26, 1826; moved with his parents to White County, Ill., in 1834; attended the common schools;…
