(Encyclopedia) pharmingpharmingfärˈmĭng [key], the use of genetically altered livestock, such as cows, goats, pigs, and chickens, to produce medically useful products. In pharming, researchers first…
(Encyclopedia) virology, study of viruses and their role in disease. Many viruses, such as animal RNA viruses and viruses that infect bacteria, or bacteriophages, have become useful laboratory tools…
SpeciationMicroevolution and MacroevolutionIntroductionMicroevolutionSpeciationMacroevolution According to the theory of natural selection, speciation is the creation of new species by genetic…
(Encyclopedia) Goldman, Edwin Franko, 1878–1956, American bandmaster and composer, b. Louisville, Ky.; pupil of Dvořák at the National Conservatory of Music, New York City. He played solo cornet in…
(Encyclopedia) atavismatavismătˈəvizəm [key], the appearance in an individual of a characteristic not apparent in the preceding generation. At one time it was believed that such a phenomenon was…
(Encyclopedia) Mello, Craig Cameron, 1960–, American geneticist, b. New Haven, Conn., Ph.D. Harvard, 1990. Mello has been on the faculty at the Univ. of Massachusetts since 1994. In 2006 Mello and…
(Encyclopedia) National Academy of Sciences, with headquarters in Washington, D.C., a private organization of leading American scientists and engineers devoted to the furtherance of science and its…
(Encyclopedia) Lefebvre, François JosephLefebvre, François JosephfräNswäˈ zhôzĕfˈ ləfĕˈvrə [key], 1755–1820, marshal of France. He rose from the ranks in the French Revolutionary Wars and…