Source: National Education Association (NEA). Web: www.nea.org/readacross/resources/catalist.html . This list was compiled from an online survey by the NEA in 2007. See also Kids' Top 100 Favorite…
The cloning craze began in 1996, when scientists in Scotland astonished the world by announcing that they had successfully cloned an adult sheep. They called her Dolly. A clone is a copy of…
(Encyclopedia) Mendel, Gregor JohannMendel, Gregor Johanngrāˈgôr yōˈhän mĕnˈdəl [key], 1822–84, Austrian monk noted for his experimental work on heredity. He entered the Augustinian monastery in Brno…
Vaccination & Natural ResistanceHIV/AIDSIntroductionThe Birth of a DiseaseFrom Epidemic to PandemicWhere Did HIV Come From?Diagnosis & Anti-HIV TherapyVaccination & Natural…
(Encyclopedia) sickle cell disease or sickle cell anemia, inherited disorder of the blood in which the oxygen-carrying hemoglobin pigment in erythrocytes (red blood cells) is abnormal. This “…
Natural Selection and EvolutionHistorical Development and Mechanisms of Evolution and Natural SelectionIntroductionEarly Theories of EvolutionNatural Selection and EvolutionNatural-Selection…
