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Polymer technology saves face Polymeric surgical implants Chemists Decode Bacterial 'Conversations' In Effort To Block Deadly In Eavesdropping can sometimes be a good thing. Researchers are learning how to listen to a wide range of bacterial conversations -- the chemical signals bacteria use to communicate with each other -- in an effort to design new compounds to thwart deadly infections, particularly those involved in the growing problem of antibiotic resistance, according to an article scheduled for the Oct. 23 issue of Chemical &Engineering News, ACS' weekly newsmagazine. Engineers Develop Higher-energy Liquid Transportation Fuel From Sugar Plants absorb carbon dioxide from the air and combine it with water molecules and sunshine to make carbohydrate or sugar. Chemical and biological engineers now describe a two-stage process for turning biomass-derived sugar into a liquid transportation fuel with 40 percent greater energy density than ethanol. Gallery: A History of Windows The Windows you see today was not your mother's Windows. Here's a look at Microsoft's OS through the years. Presidents of the United States: Selected Images From the Collections Collection of images of U.S. presidents from the Library of Congress Prints and Photographs Division. View images by president's name in alphabetical order or chronologically by presidential term. Also includes images of selected First Ladies. Includes details about each image, such as creator and date, and information about obtaining and using the images. From the Library of Congress. Specialty Hospitals, Ambulatory Surgery Centers, and General Hospitals Papers, presentations, and proceedings from a September 2004 conference on the implications of the rise of physician-owned specialty hospitals as competition for general hospitals. From the Schneider Institute for Health Policy at Brandeis University. Scientists Must Offer Solutions For Conserving Tropical Forests In A R As human populations increase, tropical forests change in different ways. Old-growth forests become agricultural lands, degraded land is abandoned, urbanization intensifies, and the populations of tropical countries will increase by two billion over the next 25 years. The tropics support over half of all species and over two-thirds of all people. Without the commitment from the scientific community, the two are unlikely to continue to coexist. [Odd] A Romanian couple has named their son Yahoo as a sign of gratitu Daily Libertatea said on Thursday Cornelia and Nonu Dragoman, both from Transylvania, met and decided they were meant for each other following a three-month relationship over the net.They married and had a baby this Christmas, whom they decided to name after one of the worldwide web's most popular portals."We named him Lucian Yahoo after my father and the net, the main beacon of my life,"Cornelia Dragoman was quoted as saying. Rare Type Of Pneumonia Occurring At Higher Than Normal Rate Among U.S. Two deaths have been attributed to a rare type of pneumonia that is occurring among U.S. troops in Iraq at a higher than normal rate, according to a study in the December 22/29 issue of JAMA. Bright Light Therapy Eases Bipolar Depression For Some Bright light therapy can ease bipolar depression in some patients, a new study has found. Women with bipolar depression were given light boxes and instructed on how to use them at home. Using the light boxes daily for two-week stretches of 15, 30 and 45 minutes, some patients responded extremely well to the light therapy and their symptoms of depression disappeared.
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