Life Support
Links
International Space Exploration & Colonization Co
A non-profit organization developing technologies for colonizing space, including a biosphere-style closed ecological life support system (CELSS).
NC-State NSCORT
http://www.cals.ncsu.edu/nscort/
Gravitational biology, and links to other sites working under NASA's biology-related centers for research and training, including research on CELSS.