Sigma Xi The Scientific Research Society is a non-profit membership society of more than 80,000 scientists and engineers http://www.sigmaxi.org/

American Association for the Advancement of Science Research news, issue papers. Educational programs, science policy (U.S. and international). http://www.aaas.org/

International Council of Scientific Unions Information on ICSU, its Members, Associates and Interdisciplinary bodies and on some partner organizations. Information is also given on ICSU's activities and publications and on forthcoming meetings of members of the ICSU family http://www.icsu.org/

Association of Muslim Scientists and Engineers Promoting science and technology education and values in science and technology. Profiles of notable figures. http://www.amse.net

Royal Society of Edinburgh Information about evidence, advice and comment, events, seminars, debates, lectures, enquiries, research awards, publications and conference facilities. Special page for young people. http://www.ma.hw.ac.uk/RSE/

Australian Academy of Science Promotes science through a range of activities. Information on fellowship election, science policy, grants and awards, publications and reports. http://www.science.org.au/aashome.htm

University of Waterloo Scholarly Societies Project Directory and searchable database of over 1300 scholarly societies with web sites. http://www.lib.uwaterloo.ca/society/overview.html

Union of Concerned Scientists Works for clean air and energy, safe and sufficient food. http://www.ucsusa.org/

New York Academy of Sciences Open to students and to all active professional scientists, physicians, and others who share the Academy's interests. News, meeting facilities, gallery, education, membership information. http://www.nyas.org/

The Royal Society The UK national academy of science, dedicated to recognizing excellence in science, furthering the role of science, engineering and technology and promoting public understanding of science. http://www.royalsoc.ac.uk/

American Academy of Arts and Sciences The American Academy of Arts and Sciences is an honorary society that recognizes achievement in the natural sciences, social sciences, arts, and humanities and conducts a varied program of projects and studies responsive to the needs and problems of society http://www.amacad.org

The Explorers Club Advancing field research and scientific exploration through expedition and student grants, public lectures, The Explorers Journal, research facilities and adventure travel programs. http://www.explorers.org

International Society for the Interdisciplinary Study of Symmetry Covers any study of various aspects of symmetry and related concepts (e.g., proportion, rhythm, invariance) in science, art, and technology (`symmetrology'). http://www.mi.sanu.ac.yu/~jablans/isis0.htm

Physical Sciences of the Oceans (IAPSO) IAPSO has the prime goal of "promoting the study of scientific problems relating to the oceans and the interactions taking places at the sea floor, coastal, and atmospheric boundaries insofar as such research is conducted by the use of mathematics, physics, and chemistry." http://www.olympus.net/IAPSO/

Social Science Research Council An independent, not-for-profit international organization that seeks to advance social science throughout the world. Information on initiatives, publications and areas of study, fellowships, related institutions and associations, and upcoming events. http://www.ssrc.org/

The Nobel Foundation Awards the annual prestigious Nobel Prizes in physics, chemistry, peace, medicine, economics, and literature. Site includes history, listing of laureates, and articles by invited authors. http://www.nobel.se/

International Union for Physical and Engineering Sciences in Medicine Contributes to the advancement of physical and engineering sciences in medicine for the benefit and well being of humanity. http://www.iupesm.org/

The Sensometric Society Aims to increase awareness of the methodology of sensory and consumer science, improve cooperation between people interested in sensometrics, and disseminate knowledge of sensometrics. Includes information on joining the society and forthcoming meetings. http://www.sensometric.org/

TWAS, Third World Academy of Sciences An association of distinguished scholars supporting scientific excellence and research in the South through prizes, research grants and fellowships to third world scientists. http://www.twas.org/

International Society for Molecular Electronics and Biocomputing Fosters the interdisciplinary study of molecular electronics, ionics and photonics and information processing in natural and artificial molecular and biomolecular systems. Newsletters and conferences. http://mebc.elte.hu/mebc/