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SIGs, cross-referenced by category

International SIG icon - indicates a SIG that accepts international members

Anthropology International SIG icon
Our mission is to promote the understanding of world cultures and their traditions.


Astronomy/AstrophySIG International SIG icon
All aspects of astronomy/astrophysics from amateur observing (you can do real research) to theory and current topics in professional astronomy are covered in this free Web-and-email-based SIG.


Eugenics International SIG icon
Studies ways to use knowledge of human genetics and population in a democratic society. Using hypothetical populations to practice solving problems. U.S. dues $6. LSASE for info.


Space Exploration & Education International SIG icon
For those interested in Space Exploration & advocacy. Share info, plan trips, attend Space Conventions and Sally Ride Festivals, hold Yuri's night parties, etc... and get involved in other events in your own area. Possible outreach tables at various Conventions. Future Newsletter a possibility. Friends of Mensans & Mensa Gifted Children also welcome. Membership, free. Welcome aboard.


Space Vanguard International SIG icon
This SIG is for smart, adventurous, libertarian people who want to contribute new ideas and technologies so that we can build sustainable villages here to enjoy happier and easier lives and to eventually pioneer profitable colonies on new planets. Free membership to all sentient beings at: http://spacevanguard.blogspot.com/