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119,499 articles from PhysOrg

• MONDAY 24. MARCH, 2008
• 23:47 Designer t-cells suppress multiple sclerosis in mice: study

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  A new drug currently being tested in humans has been found to suppress multiple sclerosis and other auto immune diseases in mice, according to a study published Monday.  

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• 23:47 Earth-like planets may be found soon

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  U.S. experts say known planets outside of Earth's solar system, currently numbered at 277, could soon include smaller planets that are closer to Earth's size.  

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• 23:47 MRI: A window to genetic properties of brain tumors

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  Doctors diagnose and prescribe treatment for brain tumors by studying, under a microscope, tumor tissue and cell samples obtained through invasive biopsy or surgery. Now, researchers at UCSD School of Medicine have shown that Magnetic Resonance Imaging (MRI) technology has the potential to non-invasively characterize tumors and determine which of them may be responsive to specific forms of treatment, based on their specific molecular properties. The study will be published on line by the Proceedings of the National Academy of Science the week of March 24.  

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• 23:47 New findings from Tibetan Plateau suggest uplift occurred in stages

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  The vast Tibetan Plateau--the world's highest and largest plateau, bordered by the world's highest mountains--has long challenged geologists trying to understand how and when the region rose to such spectacular heights. New evidence from an eight-year study by U.S. and Chinese researchers indicates that the plateau rose in stages, with uplift occurring first in the central plateau and later in regions to the north and south.  

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• 23:47 Parents' high blood pressure associated with increased risk of hypertension throughout life in men

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  Individuals who have one or two parents with hypertension appear to have a significantly increased risk of developing elevated blood pressure throughout their adult lives, according to a report in the March 24 issue of Archives of Internal Medicine.  

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• 23:47 Scientists reveal ants as fungus farmers

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  It turns out ants, like humans, are true farmers. The difference is that ants are farming fungus. Entomologists Ted Schultz and Seán Brady at the Smithsonian`s National Museum of Natural History have published a paper in the March 24 issue of the journal Proceedings of the National Academy of Sciences, providing new insight into the agricultural abilities of ants and how these abilities have evolved throughout time.  

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• 23:47 Study finds certain liver disease related to cardiovascular fitness

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  Patients with nonalcoholic fatty liver disease (NAFLD) have suboptimal levels of cardiovascular fitness, muscle strength, body composition and physical fitness, according to a new study. The findings appear in the April issue of Hepatology, a journal of the American Association for the Study of Liver Diseases (AASLD).  

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• 23:47 Weighing Costs in Choosing Cancer Care

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  (AP) -- You've just been diagnosed with cancer, and the doctor is discussing treatment options. Should the cost be a deciding factor? Chemotherapy costs are rising so dramatically that later this year, oncologists will get their first guidelines on how to have a straight talk with patients about the affordability of treatment choices, a topic too often sidestepped.  

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• 22:36 A fly's tiny brain may hold huge human benefits

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  Before swatting at one of those pesky flies that come out as the days lengthen and the temperature rises, one should probably think twice. A University of Missouri researcher has found, through the study of Drosophila (a type of fruit fly), that by manipulating levels of certain compounds associated with the “circuitry” of the brain, key genes related to memory can be isolated and tested. The results of the study may benefit human patients suffering from Parkinson`s disease and could eventually lead to discoveries in the treatment of depression.  

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• 22:36 Baby boys are more likely to die than baby girls

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  Male infants in developed nations are more likely to die than female infants, a fact that is partially responsible for men`s shorter lifespans, reveals a new study by researchers from University of Pennsylvania and University of Southern California.  

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• 22:36 Corn's roots dig deeper into South America

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  Corn has long been known as the primary food crop in prehistoric North and Central America. Now it appears it may have been an important part of the South American diet for much longer than previously thought, according to new research by University of Calgary archaeologists who are cobbling together the ancient history of plant domestication in the New World.  

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• 22:36 CSI fact catching up with fiction as chemists develop new technology

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  Real-life crime scene analysis of bloodstains, fingerprints, and other evidence does not match the speed and certainty on television shows such as CSI. But thanks to advances in chemistry, fact is catching up with fiction as researchers develop faster, more sensitive forensics tools, according to an article scheduled for the March 24 issue of Chemical & Engineering News, ACS` weekly newsmagazine.  

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• 22:36 Google Wants TV 'White Space' for Wi-Fi

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  (AP) -- Less than a week after losing in the latest U.S. spectrum auction, Google Inc. has started pitching its plan to use TV "white space" - unlicensed and unused airwaves - to provide wireless Internet.  

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• 22:36 Icahn Sues for Motorola Board Records

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  (AP) -- Motorola Inc. on Monday dismissed as an "unnecessary distraction" billionaire investor Carl Icahn's legal efforts to force it to turn over documents about its executives and its cell phone business.  

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• 22:36 Insects take a bigger bite out of plants in a higher CO2 world

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  Atmospheric carbon dioxide levels are rising at an alarming rate, and new research indicates that soybean plant defenses go down as CO2 goes up. Elevated CO2 impairs a key component of the plant`s defenses against leaf-eating insects, according to the report. The University of Illinois study appears this week online in the Proceedings of the National Academy of Sciences.  

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• 22:36 Model offers new understanding of cell signaling

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  Looking for answers in the bright light of day, rather than the confined beam of a street light at night. That`s how University of Michigan researcher Sofia Merajver, M.D., Ph.D., describes the power of a new mathematical model that could have far-reaching impact on how scientists study cellular signaling pathways.  

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• 22:36 Money Troubles Stall Green Town Project

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  (AP) -- This one-stoplight farming hamlet had big dreams in 2005 when it was christened BioTown USA. Its goal: to become the first U.S. community to meet all electricity and gas needs through renewable energy by using everything from farm waste to sewage.  

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• 22:36 Researchers identify new approach to help control drug resistance in leukemia

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  Researchers then took this success a step further. Using a method developed in their laboratory to rapidly and accurately forecast drug-resistant Bcr-Abl mutations, Deininger and colleagues established a resistance ‘profile` for SGX393. Though SGX393 showed a handful of mutation weak spots, the T315I mutation was absent among thousands of samples surveyed in the laboratory. In contrast, T315I was frequently recovered when running the screen with any of the other drugs.  

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• 22:36 Study: Dramatic rise in hepatitis C-related deaths in the United States

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  Hepatitis C-related deaths in the United States increased by 123 percent from 1995 through 2004, the most recent year for which data are available. Mortality rates peaked in 2002, then declined slightly overall, while continuing to rise among people 55 to 64 years old. These findings appear in the April issue of Hepatology, a journal of the American Association for the Study of Liver Diseases (AASLD).  

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• 21:25 Ayd, who advanced thorazine use, dies

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  Dr. Frank Ayd Jr., a pioneer in the field of psychopharmacology, has died in Baltimore from complications of coronary artery disease at age 87.  

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• 21:25 Charlie's-brand cantaloupe recalled

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  The U.S. Food and Drug Administration announced the recall of Charlie's-brand cut cantaloupe products due to possible contamination.  

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• 21:25 Experts mull future of Thames Barrier

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  Sea levels are rising much faster than when the Thames Barrier was designed, and British officials are looking ahead to new consider flood defenses.  

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• 21:25 FDA issues alert about HIV drug Prezista

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  The U.S. Food and Drug Administration has issued an alert concerning reports of liver injury in patients taking Prezista.  

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• 21:25 New report shows college students making the grade online, in class

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  The lives of today`s college students have always included computers and the Internet. That technology now has moved from the ether into instruction.  

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• 21:25 Pandas mate with help at the National Zoo

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  U.S. veterinarians have artificially inseminated Mei Xiang, a female giant panda at the Smithsonian's National Zoo, after natural mating was unsuccessful.  

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