Nic's Corner: From the Stars to the Mind
Focused on science, arts and letters.
Sci-Tech : the science and technology site
Science, Technology and their interactions; includes a discussion board.
Science-as-Culture
Internet mailing list. Site includes subscription tools and archives.
The Edge - The Third Culture
Collected works and ideas of intellectuals whose work bridges the gap that C.P. Snow identified as existing between traditional intellectuals and the sciences. Topics include physics, evolutionary biology, philosophy, psychology, artificial life, chaos theory, neural nets, fractals, and others.
ZENSCI - Making sense of science
Participatory site (blog with comments etc.) on science and society issues.