41. Aps.org
The world's second largest organization of physicists, APS publishes physics journals and organizes meetings.
http://www.aps.org

43. Asiasociety.org
Exhibitions   Social Issues   Culture   Performing Arts   Policy Issues   Business   Special Events Speeches   Interviews   Podcasts   Publications   Art Collection   For Educators Membership   Patron Groups   Special Events   Corporate 2008
http://www.asiasociety.org

44. Snm.org
2009 SNM Mid-Winter Symposium 2009 Reimbursement Roadshow Advertising & Sponsorship Diagnostic CT & PET/CT Cases Continuing Education Credit The Journal of Nuclear Medicine Journal of Nuclear Medicine Technology Reprint Permission Request Form Quality
http://www.snm.org

45. Biophysics.org
Biophysics is that branch of knowledge that applies the principles of physics and chemistry and the methods of mathematical analysis and computer modeling to understand how biological systems work
http://www.biophysics.org

46. Societyillustrators.org
THE SOCIETY and THE AUTHORS COALITION View the archive of our lecture series. QUICK LINKS • Society News and Updates • Artists Against The War • Student Scholarship 2008 Competition The Society of Illustrators Annual Competition, ILLUSTRATORS 51, now
http://www.societyillustrators.org

47. Ashrae.org
High Performing Buildings Buy Standards Guidelines Special Project Activities Commissioning Process Mgt High-Performance Building '09 Winter Education Program Chapter/In-Company Courses Communication Testimony Secure Chapter Volunteer Activity Click here:
http://www.ashrae.org

48. Sca.org
Senior Corporate Officers' Directory Senior Corporate Officers' Bio page Society Officers' Directory Society Officers' Webpages Children's Officer Coordinator SCA Marketplace (shopping) Anachronism, Inc. P.O. Box 360789 Email: membership@sca.org    The
http://www.sca.org

49. Prsa.org
Largest professional organization of public relations specialists representing business, consulting firms, government, associations, schools, and non-profits.
http://www.prsa.org

50. Soros.org
Open Society Institute and Soros Foundations Network Homepage
http://www.soros.org