Some links  (hopefully useful...)                

   Math:

• (GREDPA) Research group in partial differential equations and applications
  
• (GLOBAL) Global and geometric aspects of nonlinear PDE
  
• Zentralblatt Math
• Math ArXiv
• Math SciNet
• Math Journals
  
• Other Math Departments
• Real Sociedad Matematica Espanola
  
• The Mathematics Genealogy Project
• Association for Women in Mathematics
• European Differential Geometry Endeavour
• EU Network on Partial Differential Equations and Quantum Mechanics

  
 Simulations, etc:

• Física con ordenador
• Several Applets (heat, wave equation, etc)
• And some more...
• Drums
  

 Newspapers & such:

• El Pais (España)
  
• El Mundo (España)
• Skeptical Inquirer
  

 Friends:

• Mariangel
  
• Matilde
• Cristina
• Harald

 Places:

• Almiruete (España)

  Travelling:

• Cheap European Airlines
  
• Trains in Germany
• Trains in France
  
• Yahoo maps
  

  Languages:

• Italian Grammar
• Translations
• French Grammar
• Le Conjugueur
• Biblioteca virtual Miguel de Cervantes
  

Others:

• Barcelona Espai de Cinema