Associations

• AAAS
• British Association for the Advancement of Science
• Greenpeace UK Science
• The Royal Society
• The Federation of American Scientists

General interest

• EurekAlert!
• Natural Environment Research Council
• Natural History Museum

Biological

• Cambridge School of Biological Sciences
• Centre for Protein Engineering
• Cold Spring Harbor Laboratory
• Electronic Protein Science
• Protein-Structure Related Databases
• SETI @ home

Physical

• Hubble - UK Support Facility
• Institute of Astronomy
• Institute of Physics
• Internet as a supercomputer
• Los Alamos National Laboratory
• Netlib (mathematics)
• Newton Institute

Statistics

• On power (University of Texas). A power calculator (UCLA).
• Interactive Statistics links

Electronics

• Semiconductor tutorial
• Something from Ohio State Univ.

Universities

• Harvard University
• Northwestern University
• Oxford University
• Princeton University
• Ruhr-Universität Bochum
• Southampton University
• Swedish University Network (SUNET)
• MIT
• University of Cambridge. Information resources; finding people. 
• University of Pittsburgh
• University of Southern California
• University of Washington

University departments

• MIT Artificial Intelligence Laboratory
• Aberdeen, Dept. of Psychology
• Cambridge, Dept. of Experimental Psychology
• Warwick, Pyschology Department 

Colleges

• Churchill College, Cambridge
• St John's College, Cambridge 

Libraries

• A "library resources on the Internet" page (courtesy of Mrs Galvin's fourth grade class)
• American Library Association
• Cambridge UL
• Portico (The British Library) 

Publication and style guides

• W. Strunk, Elements of Style
• APA reference style guide (from Ohio), plus citing from the Web. The APA Publication Manual (not available on-line).
• Lynch, Guide to Grammar and Style
• NASA Handbook for Technical Writers and Editors, chapters on punctuation and capitalization
• Purdue University's Online Writing Lab