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. A team of researchers from Princeton University and the Drexel University College of Medicine has found that the parasite that causes malaria breaks down an important amino acid in its quest to adapt and thrive within the human body. By depleting this substance called arginine, the parasite may trigger a more critical and deadlier phase of the disease. http://www.physorg.com/news154265671.html Biology Thu, 19 Feb 2009 11:35:25 EST news154265671 All single-celled organisms are not alike. Or are they? A Northwestern University study has found a surprising similarity among four quite different organisms. The simplest organism, a bacterium called H. pylori, uses the same number of biochemical reactions (around 300) as yeast, the largest, most complex organism of the group, when optimizing growth. http://www.physorg.com/news147696605.html Biology Fri, 05 Dec 2008 10:50:05 EST news147696605