» Groupsrv.com
Serious discussion about traditional and alternative topics in science.
http://www.groupsrv.com/science/
» InsectHobbyist
An independent online community of Insect and Arachnid hobbyists, businesses, keepers, breeders, and organizations. Chat rooms, WebRadio, classifieds, feature pages, and lots of forums. Part of the PetHobbyist community.
http://www.insecthobbyist.com/
» Lab-monkeys.com
A community of students, technicians, post-doctorates, and researchers to have discussions of science, lab-life, careers, and education.
http://www.lab-monkeys.com/forums/
» PhysicsMathForums.com
Features discussions in the areas of physics, astronomy, math and philosophy.
http://physicsmathforums.com/
» Plastictalk Forum
A plastics discussion forum for the plastics and rubber industry worldwide.
http://www.plastictalk.com/forum/
» Sci-Tech.co.uk
A place to learn and discuss various aspects of science and technology and how they interact.
http://www.sci-tech.co.uk/
» Science Chat Forum
An advanced discussion forum for science, philosophy, and related matters. Multiple forums, career announcements, and a dynamic IRC chatroom.
» Science Forums
Many topics covered; for beginners to serious researchers.
http://www.scienceforums.net/
» Scientist Solutions
Discussion board primarily focused on the life sciences and related fields, intended for and moderated by scientists.
http://www.scientistsolutions.com/
» The Science Advisory Board
A global community of life scientists who convene to share knowledge and comment on emerging technologies.
http://www.scienceboard.net/forum/
» The Science Forum
Discussion topics include astronomy, cosmology, biology, chemistry, earth sciences, physics, social sciences, health, medicine, history, economics, business, engineering, computer science, math and environmental issues.