NIH Open-Access Requirement Starts April 07, 2008

http://publicaccess.nih.gov/

National Science Foundation

http://www.nsf.gov/index.jsp

HHMI   

http://www.hhmi.org/

The Scientist

http://www.the-scientist.com/

AAAS Science Online

http://www.sciencemag.org/

The National Academies

http://www.nationalacademies.org/

Project Kaleidoscope

http://www.pkal.org/

Wesleyan Biology Undergraduate Research

http://www.wesleyan.edu/bio/undergraduates/labresearch.html