INGeBOOK : libros electrónicos para estudiantes de Ciencias e Ingenierías

Math Teacher Link / University of Illinois at Urbana-Champaign http://mtl.math.uiuc.edu/

"Math Teacher Link is a web-based professional development program for mathematics teachers at the 9 - 14 grade levels. It provides short courses on the use of technology in teaching mathematics in the areas of Algebra, Geometry, Calculus, and Statistics" -- from web

SIR - SCImago Institutions Rankings

Producido por Scimago Lab. Se trata del mayor ranking sobre el mundo de la investigación ya que analiza unas 3000 Universidades e Instituciones de investigación de todo el mundo.

The Collection of Computer Science Bibliographies

"This is a collection of bibliographies of scientific literature in computer science from various sources, covering most aspects of computer science. The bibliographies are updated weekly from their original locations such that you'll always find the most recent versions here. " -- from About

IMS Preprint Server

"Welcome to the preprint server of the Institute for Mathematical Sciences at Stony Brook. Most of the IMS preprints are available on line. You can browse through the IMS preprints by selecting the year of issue below."

Global Patent Search Network (NEW! 01/10/2013)

La USPTO ha puesto en marcha un servicio gratuito que proporcionará traducciones automáticas de documentos de patentes de diferentes países y en distintos idiomas. La cobertura inicial abarca documentos procedentes de la State Intellectual Property Office (SIPO) de la República Popular China, desde 2008 a 2011, aunque se ampliará a otros idiomas. El buscador […]