A research field devoted to studying the design and analysis of algorithms for making predictions about the future based on past experiences.
  http://www.learningtheory.org  [Site Details]

An international journal of theory, technology and culture; publishing articles, interviews, event-scenes and reviews of key books.
  http://www.ctheory.net  [Site Details]

A leading journal of educational philosophy and theory, co-sponsored by the John Dewey Society and the Philosophy of Education Society.
  http://www.ed.uiuc.edu/EPS/Educational-Theory/  [Site Details]

Links to learning theory sites.
  http://www.emtech.net/learning_theories.htm  [Site Details]

Focuses on similarities and differences between behaviorism, cognitivism, and constructivism.
  http://www.usask.ca/education/coursework/802papers/mergel/brenda.htm  [Site Details]

Research includes sequential and parallel algorithms, computational problems in databases, computational geometry, design and analysis.
  http://theory.stanford.edu  [Site Details]

A comprehensive site of information for non-scientists with an interest in superstring theory.
  http://www.superstringtheory.com  [Site Details]