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. Talk turned serious -- painfully so, at times -- during the two hours of group discussion. http://www.physorg.com/news161615033.html Medicine & Health Fri, 15 May 2009 14:06:22 EST news161615033