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| 3-D View Of Remote Galaxies -- When Universe Was Half Its Current Age Posted: 11 Mar 2009 08:00 AM PDT Astronomers have obtained exceptional 3-D views of distant galaxies, seen when the Universe was half its current age, by combining the twin strengths of the NASA/ESA Hubble Space Telescope's acute eye, and the capacity of ESO's Very Large Telescope to probe the motions of gas in tiny objects. By looking at this unique "history book" of our Universe, scientists hope to solve the puzzle of how galaxies formed in the remote past. |
| Bacteria-killing Enzyme Cures Mice With Fatal Pneumonia Posted: 11 Mar 2009 08:00 AM PDT Before the advent of antibiotics, pneumonia claimed so many lives -- and was so feared -- that it was called the "captain of the ship of death." Now, at a time when the new antibiotics have proved futile against resistant strains of bacteria, researchers are using a different tactic to keep this ship at bay. Instead of using synthetic weapons, they are using nature's: an enzyme that has proved so effective at killing Streptococcus pneumoniae that it has been put on the front lines in the battle against infectious disease. |
| New Genre Of Sugar-coated 'Quantum Dots' For Drug Delivery Posted: 11 Mar 2009 08:00 AM PDT Scientists in Switzerland are reporting an advance that could help tap the much-heralded potential of "quantum dots"-- nanocrystals that glow when exposed to ultraviolet light -- in the treatment of cancer and other diseases. |
| Posted: 11 Mar 2009 08:00 AM PDT Researchers have made a significant step forward in understanding the causes of some forms of deafness. |
| Bioencapsulation: Creating A Safe Haven For Sensitive Ingredients Posted: 11 Mar 2009 08:00 AM PDT Consumers are becoming more health conscious and food manufacturers are pursuing innovative ways to produce food that can deliver specific health benefits without compromising the taste or quality of their products. Incorporation of bioactive compounds, or 'nutraceuticals', into food systems can provide a simple way to develop novel 'functional foods' with health-promoting and/or disease-preventing properties. |
| Young Women May Be Drinking Heavily To Get Attention Of Opposite Sex, But Men Not Impressed Posted: 11 Mar 2009 08:00 AM PDT College women may be drinking to excess to impress their male counterparts on campuses across the country, but a new study suggests most college men are not looking for a woman to match them drink for drink. |
| Salt Might Be 'Nature's Antidepressant' Posted: 11 Mar 2009 05:00 AM PDT Most people consume far too much salt, and now a researcher has discovered one potential reason we crave it: it might put us in a better mood. |
| Breath Or Urine Analysis May Detect Cancer, Diabetes Posted: 11 Mar 2009 05:00 AM PDT A researcher is developing a device that will analyze breath or urine samples for volatile markers inside the body that indicate disease. These volatile markers, such as alkanes, acetones or nitric oxide, give doctors clues about what is happening inside the body and can be used as a diagnostic tool. |
| New Fish Discovered In Antarctic Ocean Posted: 11 Mar 2009 05:00 AM PDT The new species of Antarctic fish, Gosztonyia antarctica, has been discovered at a depth of 650 meters in the Bellingshausen Sea in the Antarctic Ocean, an area which has not been studied since 1904 and where the fauna is "completely" unknown. |
| Obesity Associated With Detrimental Changes In Ovary Posted: 11 Mar 2009 05:00 AM PDT Obese women have alterations in their ovaries which might be responsible for an egg's inability to make an embryo, according to a new study. |
| Wildfires: Why California Should Consider Australia's 'Prepare, Stay And Defend' Policy Posted: 11 Mar 2009 05:00 AM PDT As debate rages over the safety of the Australian policy of encouraging willing and able residents to stay and defend their property from wildfires, fire researchers say that the strategy is worth consideration in California and other regions in the United States. |
| Why Some People Don’t Heed Tornado And Other Severe Weather Warnings Posted: 11 Mar 2009 05:00 AM PDT The U.S. National Weather Service has analyzed forecasting performance and public response during the second deadliest tornado outbreak in U.S. history. The report addresses a key area of concern: why some people take cover while others try to ride out severe weather. Some people stay put during tornadoes, believing that 'bad things only happen to other people.' |
| Rising Sea Levels Set To Have Major Impacts Around The World Posted: 11 Mar 2009 02:00 AM PDT New research shows that the upper range of sea level rise by 2100 could be in the range of about one meter, or possibly more. This means that if emissions of greenhouse gases is not reduced quickly and substantially, even the best case scenario will hit low lying coastal areas housing one in ten humans on the planet hard. |
| Human Vaccine Against Bird Flu Within Reach With New Discovery Posted: 11 Mar 2009 02:00 AM PDT A vaccine to protect humans from a bird flu pandemic is within reach after a new discovery. The discovery reveals how boosting T cell immunity could better protect humans from a bird flu pandemic. |
| Inactivity Of Proteins Behind Longer Shelf Life When Freezing Posted: 11 Mar 2009 02:00 AM PDT Frozen biological material, for example food, can be kept for a long time without perishing. A new study is close to providing answers as to why. |
| Universal Vaccination Associated With Decreased Canadian Cases Of Most Deadly Strain Of Meningitis Posted: 11 Mar 2009 02:00 AM PDT Universal childhood vaccination against meningococcal C appears to reduce Canadian incidence of the most deadly strain of bacterial meningitis, reports new research. |
| Mechanism To Increase Magnetic Response Of Ferromagnetic Semiconductor Identified Posted: 11 Mar 2009 02:00 AM PDT When squeezed, electrons increase their ability to move around. In compounds such as semiconductors and electrical insulators, such squeezing can dramatically change the electrical- and magnetic- properties. Now scientists have manipulated electron mobility and pinpointed the mechanism controlling the strength of magnetic interactions -- and hence the material's magnetic ordering temperature. |
| What's In A Name? Perhaps More (or Less) Money Posted: 11 Mar 2009 02:00 AM PDT Before employers have a chance to judge job applicants on their merits, they may have already judged them on the sound of their names. According to a study published in the Journal of Labor Economics, immigrants to Sweden earn more money after they change their foreign-sounding names. |
| Genetics Of Fear: Specific Genetic Variations Contribute To Anxiety Disorders, Study Suggests Posted: 10 Mar 2009 11:00 PM PDT Individuals with specific polymorphisms may be more susceptible to anxiety disorders by being more prone to developing fear and being less likely to overcome that fear by common cognitive behavioral treatments which are based on the extinction principle. |
| Potential For Resolving Type 2 Diabetes With Bariatric Surgery Posted: 10 Mar 2009 11:00 PM PDT The primary risk factor for type 2 diabetes is obesity. 90 percent of all diabetics are overweight or obese. Medical research indicates that surgery to reduce obesity can completely eliminate all manifestations of diabetes. Investigators analyzed 621 studies from 1990 to April of 2006, which showed that 78.1 percent of diabetic patients had complete resolution and diabetes was improved or resolved in 86.6 percent of patients as the result of bariatric surgery. |
| Experimental Fire Provides Knowledge About Damage After Forest Fires Posted: 10 Mar 2009 11:00 PM PDT An experimental fire that was deliberately set in Portugal has provided researchers in the Netherlands with the first information about the soil erosion that occurs after forest fires. A research team set fire to 10 ha of heathland under controlled conditions. The experiment is not only important for areas in the Mediterranean that have burned or are threatened with fire, but also for Australia, where it is expected that the drinking water supply will be threatened following the recent forest fires. |
| Transcriptional Factor SOX9 Renders Melanomas Sensitive To Retinoic Acid And Stops Tumor Growth Posted: 10 Mar 2009 11:00 PM PDT New research indicates that overexpression of the transcription factor SOX9 restores the sensitivity of mouse and human melanomas to the anticancer agent retinoic acid, thereby stopping tumor growth. The authors suggest that a combined therapeutic strategy, increasing the expression of SOX9 while simultaneously treating with RA, may provide new hope to effectively treat RA-resistant cancers such as melanoma. |
| First Responders: Random Antenna Arrays Boost Emergency Communications Posted: 10 Mar 2009 11:00 PM PDT First responders could boost their radio communications quickly at a disaster site by setting out just four extra transmitters in a random arrangement to significantly increase the signal power at the receiver, according to theoretical analyses, simulations and proof-of-concept experiments. |
| Lengthy Daily Stints In Front Of The TV Linked To Doubled Childhood Asthma Risk Posted: 10 Mar 2009 11:00 PM PDT Young children who spend more than two hours glued to the TV every day double their subsequent risk of developing asthma, indicates new research. |
| Yellowstone Alga Found To Detoxify Arsenic Posted: 10 Mar 2009 08:00 PM PDT Scientists have found Yellowstone alga that detoxifies arsenic. The alga -- a simple one-celled algae called Cyanidioschyzon -- thrives in extremely toxic conditions and chemically modifies arsenic that occurs naturally around hot springs. |
| DNA Differences May Influence Risk Of Hodgkin Disease Posted: 10 Mar 2009 08:00 PM PDT A new analysis has found that certain variations in genes that repair DNA can affect a person's risk of developing Hodgkin disease. |
| New Discovery Paves The Way For New Diagnosis Of Serious Lung Disease Posted: 10 Mar 2009 08:00 PM PDT The discovery of a previously unknown protein in the cells of the lower air ways brings new potential for early diagnosis of a serious lung disease. The findings can also provide new knowledge of the cause of common diseases like asthma and chronic bronchitis. |
| Old Cells Work Differently: Molecular Control Of Protein Elimination In Old Cells Revealed Posted: 10 Mar 2009 08:00 PM PDT The agglutination and accumulation of proteins in nerve cells are major hallmarks of age-related neurodegenerative illnesses such as Alzheimer's disease. Cellular survival thus depends on a controlled removal of excessive protein. Scientists have now discovered exactly how specific control proteins regulate protein breakdown during the aging process. |
| Students Benefit From Depth, Rather Than Breadth, In High School Science Courses Posted: 10 Mar 2009 08:00 PM PDT High school students who study fewer science topics, but study them in greater depth, have an advantage in college science classes over their peers who study more topics and spend less time on each. |
| Live Evolution Witnessed In Controlled Environment Of Microbial Predator And Prey Posted: 10 Mar 2009 05:00 PM PDT For the first time, scientists have demonstrated that a coevolutionary process is dependent on ecological conditions. Researchers in France studied two bacteria -- a predator and a prey -- over 300 generations in a controlled environment. Under certain conditions, the prey becomes resistant to the predator, which itself evolves so that it can attack this new prey. In addition, the scientists issued a warning against the previously envisaged use of this predator (Bdellovibrio bacteriovorus) as a "living antibiotic" because, like other antibiotics, this could lead to the selection of resistant pathogenic bacteria. |
| Red Wine Vs. White? Both Equal Offenders In Breast-cancer Risk Posted: 10 Mar 2009 05:00 PM PDT The largest study of its kind to evaluate the effect of red versus white wine on breast cancer risk concludes that both are equal offenders when it comes to increasing breast cancer risk. |
| Tiny Radio Transmitters On Skis Help Competitive Skiers Analyze Every Move Posted: 10 Mar 2009 05:00 PM PDT Whether slalom or alpine skiing, competitive skiing is all about thousandths of a second. Hence, professional athletes must constantly refine their technique. Small radio transmitters will make it possible to analyze pros' habits more closely. |
| Protein Complex Shown To Play Pivotal Role In Stem Cell Development Posted: 10 Mar 2009 05:00 PM PDT Scientists have identified a protein complex important in controlling whether embryonic stem cells retain their ability to become any cell in the body -- a quality called pluripotency -- or instead embark on a pathway of maturation and specialization. |
| Airborne Fungi Linked To Asthma Epidemic In Puerto Rico Posted: 10 Mar 2009 05:00 PM PDT High levels of airborne fungi have been linked with the unusually common incidence of asthma in Puerto Rico. |
| Popular Kids Earn More When They Grow Up Posted: 10 Mar 2009 05:00 PM PDT Being popular with your peers at school could mean you earn more as an adult. |
| Why People Often Get Sicker When They Are Stressed Posted: 10 Mar 2009 02:00 PM PDT A newly discovered receptor in a strain of Escherichia coli might help explain why people often get sicker when they're stressed. |
| Posted: 10 Mar 2009 02:00 PM PDT Osteoplasty -- a highly effective minimally invasive procedure to treat the painful effects of metastatic bone disease by injecting bone cement to support weakened bones -- provides immediate and substantial pain relief, often presenting individuals who are suffering terribly with the miraculous so-called "Lazarus effect," according to researchers. Interventional radiologists often couple osteoplasty with heat or cold treatments to kill tumor nerves, if needed. |
| Heat Could Be Stifling Turtles’ Swimming Abilities In Australia Posted: 10 Mar 2009 02:00 PM PDT It seems we're not the only ones struggling to adapt to the summer weather -- Australian researchers have found the increased temperatures may be affecting turtles too. Scientists found that green turtle hatchlings from Heron Island weren't swimming as well as expected. |
| Medical Researchers Test Bedside Monitoring Of Brain Blood Flow And Metabolism In Stroke Victims Posted: 10 Mar 2009 02:00 PM PDT Scientists have completed the first successful demonstration of a noninvasive optical device to monitor cerebral blood flow in patients with acute stroke, a leading cause of disability and death. |
| Nanosensors Quickly Detect Possible DNA Mutations Posted: 10 Mar 2009 02:00 PM PDT Researchers have developed electrochemical sensors that, amongst other functions, enable the detection of possible mutations in DNA in a more rapid manner that has been achieved to date. |
| Feeling Down And Out Could Break Your Heart, Literally Posted: 10 Mar 2009 02:00 PM PDT New data suggest that relatively healthy women with severe depression are at increased risk of cardiac events, including sudden cardiac death and fatal coronary heart disease. Researchers found that much of the relationship between depressive symptoms and cardiac events was mediated by cardiovascular disease risk factors, such as high blood pressure, high cholesterol and smoking. |
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