/Letters to the Editor/ 157 /Editorial/ Jon Paul Rodríguez, José Rafael Ferrer-Paris, Jesús Mavárez, Kathryn M. Rodríguez-Clark and Ada Y. Sánchez-Mercado MORE AND BETTER SCIENTIFIC INFORMATION FOR 2010: INTERNATIONAL YEAR OF BIODIVERSITY 161 /Articles/ Agustín Herrera-May, Luz Antonio Aguilera-Cortés, Elías Manjarrez and Max González-Palacios NANOELECTROMECHANICAL SYSTEMS: ORIGIN, APPLICATIONS AND CHALLENGES (in Spanish) 163 Fabricio J. […]