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. Doctors in Germany have successfully implanted the world's smallest artificial heart pump, billed as more effective and unobtrusive than earlier devices, a hospital said Monday. http://www.physorg.com/news169734607.html Medicine & Health Mon, 17 Aug 2009 13:30:40 EST news169734607 Artificial heart pacemakers have saved and extended the lives of thousands of people, but they have their shortcomings - such as a fixed pulse rate and a limited life. Could a permanent biological solution be possible? http://www.physorg.com/news158493548.html Medicine & Health Thu, 09 Apr 2009 10:59:32 EST news158493548