In the News
Ultrasound May Better Classify Ovarian Tumors Experts examining patterns in ultrasound images can more accurately classify ovarian tumors as benign or malignant than can pre-surgical blood tests, according to a new study. Preclinical Study Links Gene To Brain Aneurysm Formation Neurovascular researchers have identified a gene that -- when suppressed or completely absent -- may predispose a person to brain aneurysms. They demonstrated that "knocking out"a gene known as endothelial nitric oxide synthase in an animal model led to intracranial aneurysm formation in 33 percent of study subjects. Scientists say this suggests that the gene may play an important role in the development of intracranial aneurysms. World Oil Transit Chokepoints Profiles of regions where oil "tankers encounter several geographic 'chokepoints,' or narrow channels,"and which are "critically important to world oil trade because so much oil passes through them, yet they are narrow and theoretically could be blocked -- at least temporarily."Discusses areas such as the Strait of Hormuz, Strait of Malacca, Bab el-Mandab, Panama Canal, Suez Canal and the Sumed Pipeline, and Bosporus and the Turkish Straits. From the U.S. Department of Energy. Studying Substitute Animals Will Not Save Endangered Species An article in the latest issue of Conservation Biology examines the use of surrogate animals to predict or target what is endangering another species. Researchers often use similar, often called umbrella or flagship, species to identify the cause of endangerment to others. These substitutes may be chosen because they are biologically similar representatives of the troubled species, or they may be used to develop a predictive model to which the original species can be related. Dissecting the atom Incredibly intense X-rays are being used to probe the secrets of the atom. [Scary] Pregnant woman says 'maternal instinct' helped her kill attack FORT MITCHELL, Ky. - A pregnant woman who killed her attacker said a maternal instinct helped her fight off the woman who investigators believe was after her unborn child."I do believe that I fought harder because it was for my child,"Sarah Brady told ABC's "Good Morning America"in interviews aired Sunday and Monday. "It is a maternal instinct to protect your child to the very end."Katherine Smith, 22, died Thursday after luring Brady to her apartment to pick up a package supposedlydelivered to the wrong address. When Smith pulled out a knife and attacked the pregnant woman, Brady fought back, striking Smith on the head with an ash tray and stabbing her three times with her own knife, police said. Brady, 26, said she didn't know Smith before the two met at Smith's apartment and can't be certain why Smith wanted to kill her."I really am not sure what was going through her mind,"Brady told ABC. "The only thing I thought was that she was going to kill me and my child and that is the only thing that ran through my mind." 3-D Ultrasound Provides In-depth View Of The Brain Biomedical engineers have adapted a three-dimensional ultrasound scanner that might guide minimally invasive brain surgeries and provide better detection of a brain tumor's location. Brain surgeons currently rely primarily on two-dimensional images produced by MRI or ultrasound. Murder on MySpace When Daniel Varo, who lived his life on the web, is killed by a shot to the back of the head, his death plays out online, too. By Noah Shachtman from Wired magazine. Plus: Epilogue: A Reporter's Notebook Researchers Produce Insulation With Lowest Thermal Conductivity Ever A new insulation material with the lowest thermal conductivity ever measured for a fully dense solid has been created at the University of Oregon and tested by researchers at three other US institutions. Crichton's Closet of Tech Horrors As Michael Crichton advises the president on global warming, it's a good time to review his technophobic Hollywood legacy,from Coma to Westworld. By Jason Silverman.
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