http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Many older Americans may be shortchanging their golden years by tapping into Social Security too soon, according to a University of Illinois expert who has studied the federal retirement program for nearly two decades. http://www.physorg.com/news139750629.html Other Sciences Thu, 04 Sep 2008 12:37:09 EST news139750629