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. Small amounts of oil leave a fluorescent sheen on polluted water. Oil sheen is hard to remove, even when the water is aerated with ozone or filtered through sand. Now, a University of Utah engineer has developed an inexpensive new method to remove oil sheen by repeatedly pressurizing and depressurizing ozone gas, creating microscopic bubbles that attack the oil so it can be removed by sand filters. http://www.physorg.com/news177572736.html Chemistry Mon, 16 Nov 2009 05:46:54 EST news177572736 Attention all smokeless tobacco users! It's time to banish the comforting notion that snuff and chewing tobacco are safe because they don't burn and produce inhalable smoke like cigarettes. A study that looked beyond the well-researched tobacco hazards, nitrosamines and nicotine, has discovered a single pinch -- the amount in a portion -- of smokeless tobacco exposes the user to the same amount of another group of dangerous chemicals as the smoke of five cigarettes. http://www.physorg.com/news169644304.html Chemistry Sun, 16 Aug 2009 12:40:01 EST news169644304 For many people, summer festivities would be terribly un-festive without the sizzle, the smoke, and the tantalizing smell of meat being barbecued. In the summer, many gatherings revolve around the grill, and there are shelves of cookbooks devoted to the art of cooking over an open flame. http://www.physorg.com/news166980202.html Medicine & Health Thu, 16 Jul 2009 17:10:04 EST news166980202 (PhysOrg.com) -- The Pinwheel galaxy is gussied up in infrared light in a new picture from NASA's Spitzer Space Telescope. http://www.physorg.com/news135874607.html Space & Earth Mon, 21 Jul 2008 15:56:47 EST news135874607