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| Lab-made Proteins Neutralize Multiple Strains Of Seasonal And Pandemic Flu Posted: 23 Feb 2009 11:00 AM PST Scientists have identified a small family of lab-made proteins that neutralize a broad range of influenza A viruses, including the H5N1 avian virus, the 1918 pandemic influenza virus and seasonal H1N1 flu viruses. These human monoclonal antibodies, identical infection-fighting proteins derived from the same cell lineage, also were found to protect mice from illness caused by H5N1 and other influenza A viruses. |
| X-ray Eyes Bring Us Closer To Early Diagnosis Of Parkinson's Disease Posted: 23 Feb 2009 11:00 AM PST It is estimated that 4 million people world-wide are suffering from Parkinson's, a complex disease that varies greatly among affected individuals. Understanding the brain chemistry that leads to the onset of Parkinson's is vital if we are to develop methods for early MRI diagnosis and new treatments for this devastating disease. |
| Field Of Germs: Food Safety Is In Farm Worker's Hands Posted: 23 Feb 2009 11:00 AM PST Food safety policy experts say protocols need to look beyond dirty processing plants. Farm workers aren't required to be vaccinated, which presents an increased threat for the spread of disease, particularly among foods that do not require cooking. |
| Fructose-sweetened Drinks Increase Nonfasting Triglycerides In Obese Adults Posted: 23 Feb 2009 11:00 AM PST Obese people who drink fructose-sweetened beverages with their meals have an increased rise of triglycerides following the meal, according to new research. This effect was especially pronounced in insulin-resistant subjects, worsening their already adverse metabolic profiles and potentially increasing their risk for heart disease and other metabolic disorders. |
| Next Generation Digital Maps Are Laser Sharp Posted: 23 Feb 2009 11:00 AM PST New airborne laser elevation, or lidar, surveys of the earth provide a 10-fold improvement in the precision of digital topographical maps, geologists report. This revolution in mapping will soon benefit anyone who relies on map data for work or recreation. |
| How We Think Before We Speak: Making Sense Of Sentences Posted: 23 Feb 2009 11:00 AM PST How does the brain turn seemingly random sounds and letters into sentences with clear meaning? Recent findings suggest that, as we read or have a conversation, our brains are continuously trying to predict upcoming information. These findings reveal that our brains very rapidly draw upon a wide range of information, including what was stated previously and who the speaker is, in helping us understand what is being said to us. |
| Most Extreme Gamma-ray Blast Ever, Seen By Fermi Gamma-ray Space Telescope Posted: 23 Feb 2009 08:00 AM PST With the greatest total energy, the fastest motions, and the highest-energy initial emissions ever before seen, a gamma-ray burst recently observed by the Fermi Gamma-ray Space Telescope is one for the record books. The spectacular blast also raises new questions about gamma-ray bursts. |
| Radioimmunotherapy: Promising Treatment For HIV Infection And Viral Cancers Posted: 23 Feb 2009 08:00 AM PST Scientists have piggybacked antibodies onto radioactive payloads to deliver doses of radiation that selectively target and destroy microbial and HIV-infected cells. The experimental treatment -- called radioimmunotherapy, or RIT -- holds promise for treating various infectious diseases, including HIV and cancers caused by viruses. |
| New Method To Eliminate Ibuprofen From Polluted Waters Using Ultrasound Posted: 23 Feb 2009 08:00 AM PST Scientists have developed an ultrasound treatment to remove ibuprofen from waters polluted with this drug. This method could be used in water purification plants, which would avoid the emission of pharmaceutical pollutants into rivers, lakes, seas and other surface waters. |
| Herpes Virus: To Vaccinate Or Not To Vaccinate Posted: 23 Feb 2009 08:00 AM PST Scientists have followed up on an intriguing study showing that mice persistently infected with certain forms of herpes virus, which can establish lifelong latent infections, are resistant to infection with bacterial pathogens. Researchers are concerned with the implications of such research for the development of vaccines against herpesvirus infections. |
| Aerosols May Have High Impact On Rainfall, Climate Change Posted: 23 Feb 2009 08:00 AM PST Aerosols may have a greater impact on patterns of Australian rainfall and future climate change than previously thought, according to a leading atmospheric scientist. |
| Virtual Games Players Stick Close To Home Posted: 23 Feb 2009 08:00 AM PST Researchers have analyzed a "gold mine" of networking data from EverQuest II, a fantasy massive multiplayer online role-playing game, along with a survey of 7,000 players. Their findings include that many players underestimate the amount of time they spend playing the games, the number of players who say they are depressed is disproportionately high -- and surprisingly -- most people played with people in their general geographic area. |
| 'Good' Bacteria Can Be Effective Vehicle For Oral Vaccine Against Anthrax Posted: 23 Feb 2009 05:00 AM PST Researchers have discovered that the good bacteria found in dairy products and linked to positive health benefits in the human body might also be an effective vehicle for an oral vaccine that can provide immunity to anthrax exposure. The approach could possibly be used as an EZ Pass to deliver any number of specific vaccines that could block other types of viruses and pathogens. |
| New 'Bubble' Targets Only Cancer Cells Posted: 23 Feb 2009 05:00 AM PST For millions of Americans with cancer, the side effects of chemotherapy and other treatment drugs can be devastating. But new drug-delivery research based on nano- and microtechnology might provide much-needed relief, as well as more effective cancer treatment. |
| New Lab Evidence Suggests Preventive Effect Of Herbal Supplement In Prostate Cancer Posted: 23 Feb 2009 05:00 AM PST DHEA is a natural circulating hormone and the body's production of it decreases with age. Men take DHEA as an over-the-counter supplement because it has been suggested that DHEA can reverse aging or have anabolic effects since it can be metabolized in the body to androgens. |
| Pediatric Hodgkin's Disease Survivors Face Increased Breast Cancer Risk Posted: 23 Feb 2009 05:00 AM PST Women who as children received radiation treatment for Hodgkin's disease are almost 40 times more likely than others to develop breast cancer, according to findings from five institutions. |
| Viscosity-enhancing Nanomaterials May Double Service Life Of Concrete Posted: 23 Feb 2009 05:00 AM PST Engineers have developed a method that is expected to double the service life of concrete. The key is a nano-sized additive. |
| If It's Hard To Say, It Must Be Risky Posted: 23 Feb 2009 05:00 AM PST Will a product's name and how easy it is to pronounce, affect how we view the product? In a new study reported in Psychological Science, psychologists present evidence that we if have problems pronouncing something, we will consider it to be risky. |
| Ocean Less Effective At Absorbing Carbon Dioxide Emitted By Human Activity Posted: 23 Feb 2009 02:00 AM PST In the Southern Indian Ocean, climate change is leading to stronger winds, which mix waters, bringing carbon dioxide up from the ocean depths to the surface. As a result, the Southern Ocean can no longer absorb as much atmospheric CO2 as before. Its role as a 'carbon sink' has been weakened, and it may now be ten times less efficient than previously estimated. The same trend can be observed at high latitudes in the North Atlantic. |
| Unrelated And Mismatched Cord Blood Transplantation Can Still Help Children With Deadly Conditions Posted: 23 Feb 2009 02:00 AM PST An unrelated cord blood transplant, even from a mismatched donor, can be effective in treating children with a host of life-threatening diseases and disorders including cancer, sickle cell anemia, and other genetic diseases, according to researchers. Unrelated cord blood may be easier to obtain than adult bone marrow, allowing for the treatment of more patients. |
| Australia Wildfires Extract A Heavy Toll In Lives, Land Posted: 23 Feb 2009 02:00 AM PST Satellite images of Australia's severe wildfires show the global transport of their pollution, extent of the devastation and the fires still burning as of Feb. 17. The bushfires burning in Victoria Australia have claimed almost 200 lives, destroyed more than 1,800 homes and scorched more than 1,500 square miles (3,900 square kilometers). |
| Specific Protein Is Crucial To Reproduction Of Parasites Involved In Toxoplasmosis Disease Posted: 23 Feb 2009 02:00 AM PST Scientists have discovered a protein in T. gondii that is essential for the parasite's growth. The group's work points the way toward a new model system that can be used in studying other parasitic diseases and could one day lead to an effective target for drug intervention. |
| How Mosquitoes Survive Dengue Virus Infection Posted: 23 Feb 2009 02:00 AM PST Scientists have discovered that mosquitoes that transmit deadly viruses such as dengue avoid becoming ill by mounting an immediate, potent immune response. Because their immune system does not eliminate the virus, however, they are able to pass it on to a new victim. |
| Invasive Species: Part Of The Price Of Doing Business, Environmental Economist Says Posted: 23 Feb 2009 02:00 AM PST When the sun rides low on the horizon and winter chills wrap us all in down and fleece, global trade brings blueberries from South America, oranges from Israel. But trade in exotic goods also comes with significant local economic costs, explains a professor of environmental economics. |
| How We Keep Visual Details In Short-term Memory Posted: 22 Feb 2009 11:00 PM PST People voluntarily pick what information they store in short-term memory. Now, using functional magnetic resonance imaging, researchers can see just what information people are holding in memory based only on patterns of activity in the brain. |
| Nanoscopic Changes To Pancreatic Cells Reveal Cancer Posted: 22 Feb 2009 11:00 PM PST Scientists have developed a way to examine cell biopsies and detect never-before-seen signs of early-stage pancreatic cancer, according to a new article. Though the new technique has not yet proven effective in double-blind clinical trials, it may one day help diagnose cancers of the pancreas and, potentially, other organs at their earliest and most treatable stages, before they spread. |
| NASA-Funded Carbon Dioxide Map Of U.S. Released On Google Earth Posted: 22 Feb 2009 11:00 PM PST Interactive maps that detail carbon dioxide emissions from fossil fuel combustion are now available on the popular Google Earth platform. The maps, funded by NASA and the U.S. Department of Energy through the joint North American Carbon Program, can display fossil fuel emissions by the hour, geographic region, and fuel type. |
| Posted: 22 Feb 2009 11:00 PM PST When treating hospitalized children with acute osteomyelitis -- a bacterial bone infection -- an early changeover from intravenous antibiotic delivery to oral antibiotics is just as effective as continuing the IV therapy, according to pediatric researchers. In addition, the oral drugs are more convenient for children and families, and avoid a major drawback of IV use: Increased risk of complications from using central catheters, such as infections or breaks in the catheter. |
| Publication Of Flu Vaccines Studies In Prestigious Journals Are Determined By The Sponsor Posted: 22 Feb 2009 11:00 PM PST Industry-sponsored studies on influenza vaccines are published in journals with higher rankings (impact factors) and are cited more than studies with other sponsors, but this is not because they are bigger or better, finds a new study. |
| Open Online Access To Scientific Papers May Not Guarantee Wide Dissemination Posted: 22 Feb 2009 11:00 PM PST If you offer something of value to people for free while someone else charges a hefty sum of money for the same type of product, one would logically assume that most people would choose the free option. According to new research in the journal Science, if the product in question is access to scholarly papers and research, that logic might just be wrong. |
| Posted: 22 Feb 2009 08:00 PM PST Cancer cells need a lot of nutrients to multiply and survive. While much is understood about how cancer cells use blood sugar to make energy, not much is known about how they get other nutrients. Now, researchers have discovered how the Myc cancer-promoting gene uses microRNAs to control the use of glutamine, a major energy source. |
| Gut Parasites That Can Infect Humans May Be Widespread In Domestic And Wild Animals Posted: 22 Feb 2009 08:00 PM PST The gut protozoans Giardia duodenalis and various species of Cryptosporidium are extremely contagious single-celled parasites liable to cause digestive disease in both humans and animals. Some species and genotypes of Cryptosporidium and Giardia are important zooneses, as they occur in both animals and humans. Zooneses are diseases that may be transmitted between animals and people. |
| When Acute Hepatitis Develops Into Chronic Hepatitis Posted: 22 Feb 2009 08:00 PM PST Researchers demonstrate how the immune system reacts to a hepatitis B infection. Hepatitis B is the most prevalent infectious disease in the world. It results in either an acute infection or, in rare cases, it can develop into a chronic disease. Researchers have now examined the way in which the immune system reacts differently to both chronic and acute hepatitis B. |
| Cosmological Simulations Key To Understanding The Universe Posted: 22 Feb 2009 08:00 PM PST Physicists are harnessing the power of supercomputing to recreate how galaxies are born, how they develop over time and, ultimately, how they collapse. Scientists are creating computer simulations to better understand the physics of black holes and the role they play in galaxy formation. |
| When Dreaming Is Believing: Dreams Affect People's Judgment, Behavior Posted: 22 Feb 2009 08:00 PM PST While science tries to understand the stuff dreams are made of, humans, from cultures all over the world, continue to believe that dreams contain important hidden truths, according to newly published research. |
| X-rays Used To Reveal Secrets Of Famous 'Dinobird' Fossil Posted: 22 Feb 2009 02:00 PM PST Researchers are using powerful X-rays to find elemental traces of dinosaur tissue next to fossilized bones. |
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