These two newsletters of The National Research Center on the Gifted and Talented (NRC/GT) present articles concerned with research on the education of gifted and talented students. The articles are: "NRC/GT's Suggestions: Evaluating Your Programs and Services" (E. Jean Gubbins); "Professional Development Practices in Gifted Education: Results of a National Survey" (Karen L. Westberg and others); "Preaching to the Choir: TV Advisory Ratings and Gifted Children" (Robert Abelman); "Gifted and Learning Disabled: Twice Exceptional Students" (Dawn Beckley); "Differentiation: Definition and Description for Gifted and Talented" (Susan T. Dinnocenti); "Underachieving Gifted Students: A Mother's Perspective" (Pamela Hunter-Braden); "An Independent Study Model for Secondary Students" (Del Siegle); "Evolution of NRC/GT Products: Resource Toolkits" (E. Jean Gubbins); "I Learn, Therefore I Am: Descartes Ideology in Cyberage" (Siamak Vahidi); "Distinguishing Myths from Realities: NRC/GT Research" (Marcia Gentry and Karen Kettle); and "Academic Decathlon and Secondary Students" (Carol L. Tieso). (Each article contains references.) (DB)