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. As municipalities across the United States reduce their dependence on groundwater sources to mitigate environmental impacts like subsidence and flooding, there is a growing need for better purification processes to keep contaminants found in surface water sources out of the public tap. http://www.physorg.com/news159541848.html Chemistry Tue, 21 Apr 2009 14:11:43 EST news159541848 Red jasper cored from layers 3.46 billion years old suggests that not only did the oceans contain abundant oxygen then, but that the atmosphere was as oxygen rich as it is today, according to geologists. http://www.physorg.com/news157124234.html Space & Earth Tue, 24 Mar 2009 14:37:41 EST news157124234 Algae is a livid green giveaway of nutrient pollution in a lake. Scientists would love to reproduce that action in tiny particles that would turn different colors if exposed to biological weapons, food spoilage or signs of poor health in the blood. http://www.physorg.com/news151508961.html Nanotechnology Sun, 18 Jan 2009 13:49:21 EST news151508961 Abundant tiny particles of diamond dust exist in sediments dating to 12,900 years ago at six North American sites, adding strong evidence for Earth's impact with a rare swarm of carbon-and-water-rich comets or carbonaceous chondrites, reports a nine-member scientific team. http://www.physorg.com/news150048795.html Nanotechnology Thu, 01 Jan 2009 16:13:15 EST news150048795