http://www.sciencecentric.com/ Latest news in natural sciences and technology provided by Science Centric en-gb Copyright 2009, Science Centric contact@sciencecentric.com (Stanislav Abadjiev) Thu, 19 Nov 2009 18:18:00 GMT Thu, 19 Nov 2009 18:18:00 GMT http://blogs.law.harvard.edu/tech/rss/ http://www.sciencecentric.com/images/sc_logo_news.jpg http://www.sciencecentric.com/ There is good news for women with multiple sclerosis (MS) who are pregnant or thinking about becoming pregnant. A new study shows that pregnant women with multiple sclerosis are only slightly more likely to have caesarean deliveries and babies with a poor prenatal growth rate than women who do not have MS... http://www.sciencecentric.com/news/article.php?q=09111910-good-news-on-multiple-sclerosis-pregnancy http://www.sciencecentric.com/news/article.php?q=09111910-good-news-on-multiple-sclerosis-pregnancy Thu, 19 Nov 2009 18:18:00 GMT Scientists are reporting evidence that air pollution - a well-recognised problem at major airports - may pose an important but largely overlooked health concern for people living near smaller regional airports. Those airports are becoming an increasingly important component of global air transport systems. The study, one of only a handful to examine airborne pollutants near regional airports, suggests that officials should pay closer attention to these overlooked emissions, which could cause health problems for local residents. It appears online in ACS' Environmental Science and Technology, a semi-monthly journal... http://www.sciencecentric.com/news/article.php?q=09111909-hidden-threat-elevated-pollution-levels-near-regional-airports http://www.sciencecentric.com/news/article.php?q=09111909-hidden-threat-elevated-pollution-levels-near-regional-airports Thu, 19 Nov 2009 18:18:00 GMT In a step toward using human saliva to tell whether those stiff joints, memory lapses, and other telltale signs of ageing are normal or red flags for disease, scientists are describing how the protein content of women's saliva change with advancing age. The discovery could lead to a simple, noninvasive test for better diagnosing and treating certain age-related diseases in women, they suggest in a report in ACS' Journal of Proteome Research, a monthly publication. These diseases include lupus, Sjoegrens syndrome (associated with dry mouth and dry eye), and other immune-related disorders that affect millions of women worldwide, often at higher rates than in men... http://www.sciencecentric.com/news/article.php?q=09111908-saliva-proteins-change-as-women-age http://www.sciencecentric.com/news/article.php?q=09111908-saliva-proteins-change-as-women-age Thu, 19 Nov 2009 18:13:00 GMT Toddlers and obese children suffer more than other youth when exposed to secondhand smoke, according to research presented at the American Heart Association's Scientific Sessions 2009... http://www.sciencecentric.com/news/article.php?q=09111907-secondhand-smoke-exposure-worse-toddlers-obese-children http://www.sciencecentric.com/news/article.php?q=09111907-secondhand-smoke-exposure-worse-toddlers-obese-children Thu, 19 Nov 2009 18:08:00 GMT A new study on paediatric H1N1 influenza admissions has found that asthma is a significant risk factor for severe disease in children with pandemic H1N1 compared with the seasonal flu. The study, led by researchers from The Hospital for Sick Children (SickKids) in Toronto, Ontario, is published online today in Canadian Medical Association Journal... http://www.sciencecentric.com/news/article.php?q=09111906-asthma-significant-risk-factor-complications-children-with-h1n1 http://www.sciencecentric.com/news/article.php?q=09111906-asthma-significant-risk-factor-complications-children-with-h1n1 Thu, 19 Nov 2009 18:03:00 GMT A new generation of 'green' automobile tires that can boost fuel efficiency without sacrificing safety and durability is rolling their way through the research pipeline. The new tires could help add an extra mile or two per gallon to a car's fuel economy. That's the topic of the cover story of the current issue of Chemical and Engineering News, (C and EN) ACS' weekly newsmagazine... http://www.sciencecentric.com/news/article.php?q=09111905-developing-green-tires-that-boost-mileage-cut-carbon-dioxide-emissions http://www.sciencecentric.com/news/article.php?q=09111905-developing-green-tires-that-boost-mileage-cut-carbon-dioxide-emissions Thu, 19 Nov 2009 17:58:00 GMT In an advance with overtones of Star Trek phasers and other sci-fi ray guns, scientists in Canada are reporting development of an internal on-off 'switch' that paralyses animals when exposed to a beam of ultraviolet light. The animals stay paralysed even when the light is turned off. When exposed to ordinary light, the animals become unparalysed and wake up. Their study appears in the Journal of the American Chemical Society (JACS). It reports the first demonstration of such a light-activated switch in animals... http://www.sciencecentric.com/news/article.php?q=09111904-new-on-off-switch-triggers-reverses-paralysis-animals-with-beam-light http://www.sciencecentric.com/news/article.php?q=09111904-new-on-off-switch-triggers-reverses-paralysis-animals-with-beam-light Thu, 19 Nov 2009 17:53:00 GMT Scientists in China are reporting discovery of unusual liver proteins, found only in males, that may help explain the long-standing mystery of why the hepatitis B virus (HBV) sexually discriminates - hitting men harder than women. Their study has been published online in ACS' Journal of Proteome Research, a monthly publication... http://www.sciencecentric.com/news/article.php?q=09111903-toward-explaining-why-hepatitis-b-hits-men-harder-than-women http://www.sciencecentric.com/news/article.php?q=09111903-toward-explaining-why-hepatitis-b-hits-men-harder-than-women Thu, 19 Nov 2009 17:48:00 GMT Heart function significantly improved in children and young adults with single-ventricle congenital heart disease who have had the Fontan operation following treatment with sildenafil, a drug used to treat erectile dysfunction and pulmonary hypertension, say researchers from The Children's Hospital of Philadelphia... http://www.sciencecentric.com/news/article.php?q=09111902-drug-erectile-dysfunction-improves-heart-function-young-heart-disease-patients http://www.sciencecentric.com/news/article.php?q=09111902-drug-erectile-dysfunction-improves-heart-function-young-heart-disease-patients Thu, 19 Nov 2009 17:43:00 GMT India may rank only a distant fourth in terms of carbon dioxide emissions, behind China, the United States and Russia, but its rapid economic growth rate coupled with ageing and inefficient energy infrastructure suggest dire environmental consequences if 'business as usual' continues. That's why experts from the Lawrence Berkeley National Laboratory have been working to expand collaborations with India on energy efficiency... http://www.sciencecentric.com/news/article.php?q=09111901-berkeley-lab-lends-expertise-india-promote-energy-efficiency http://www.sciencecentric.com/news/article.php?q=09111901-berkeley-lab-lends-expertise-india-promote-energy-efficiency Thu, 19 Nov 2009 17:38:00 GMT The dramatic increase in overweight and obesity in adult Americans over the past 20 years has undermined public health success at reducing risk for heart disease, according to research presented at the American Heart Association's Scientific Sessions 2009... http://www.sciencecentric.com/news/article.php?q=09111853-increased-obesity-hindering-success-at-reducing-heart-disease-risk http://www.sciencecentric.com/news/article.php?q=09111853-increased-obesity-hindering-success-at-reducing-heart-disease-risk Wed, 18 Nov 2009 13:10:00 GMT Hardening of the arteries has been detected in 3,500-year-old mummies, so we may have to look beyond modern risk factors to fully understand heart disease, according to research presented American Heart Association's Scientific Sessions 2009... http://www.sciencecentric.com/news/article.php?q=09111852-researchers-discover-heart-disease-3500-year-old-mummies http://www.sciencecentric.com/news/article.php?q=09111852-researchers-discover-heart-disease-3500-year-old-mummies Wed, 18 Nov 2009 13:05:00 GMT German school students - especially those with low socioeconomic status (SES) - significantly improved their exercise capacity and body leanness after a year of daily physical activity classes, according to research presented today at the American Heart Association's Scientific Sessions 2009... http://www.sciencecentric.com/news/article.php?q=09111851-students-with-lower-socioeconomic-background-benefit-from-daily-school-physical-activity http://www.sciencecentric.com/news/article.php?q=09111851-students-with-lower-socioeconomic-background-benefit-from-daily-school-physical-activity Wed, 18 Nov 2009 13:00:00 GMT Money available to treat HIV/AIDS is sufficient to end the epidemic globally, but only if we act immediately to control the spread of the disease. That was the conclusion of a study just published in the open-access journal, BMC Public Health. This approach defies conventional thinking, which recommends gradual spending over 15-20 years. Canadian Researchers found that an aggressive program over five years is the only way to end the epidemic given our current resources. The study, part of a supplement on 'The OptAIDS project: towards global halting of HIV/AIDS,' was based on a leading-edge mathematical model developed by mathematicians and biologists, who recently earned acclaim for a study on how best to handle a planetary invasion by zombies... http://www.sciencecentric.com/news/article.php?q=09111850-immediate-aggressive-spending-on-hiv-could-end-epidemic http://www.sciencecentric.com/news/article.php?q=09111850-immediate-aggressive-spending-on-hiv-could-end-epidemic Wed, 18 Nov 2009 12:55:00 GMT An analysis of patients with a syndrome similar to the genetic disorder, neurofibromatosis type 1, indicates that diagnosis may be difficult because of shared clinical findings, such as certain pigmentary characteristics, according to a study in the November 18 issue of JAMA... http://www.sciencecentric.com/news/article.php?q=09111849-study-examines-challenges-diagnosing-neurofibromatosis-type-1-like-syndrome http://www.sciencecentric.com/news/article.php?q=09111849-study-examines-challenges-diagnosing-neurofibromatosis-type-1-like-syndrome Wed, 18 Nov 2009 12:50:00 GMT Research into the controversial drug thalidomide reveals that the mechanism through which the drug causes limb defects is the same process which causes it to damage internal organs and other tissues. The article, published in Bio-Essays, outlines the challenges surrounding thalidomide research and claims that confirmation of a 'common mechanism' could lead to new treatments for Leprosy, Crohn's Disease, AIDS and some forms of cancer... http://www.sciencecentric.com/news/article.php?q=09111848-solving-the-50-year-old-puzzle-thalidomide http://www.sciencecentric.com/news/article.php?q=09111848-solving-the-50-year-old-puzzle-thalidomide Wed, 18 Nov 2009 12:45:00 GMT A recent study determined there is a significant risk of seizure for individuals who currently smoke cigarettes. Boston-based researchers from Brigham and Women's Hospital and Harvard Medical School also found that long-term, moderate intake of caffeine or alcohol does not increase the chance of having a seizure or developing epilepsy. This is the first prospective study to examine the potential risks associated with cigarette smoking, caffeine intake, and alcohol consumption as they independently relate to epilepsy. Full findings of this study are currently available online and will appear in the February 2010 issue of Epilepsia, a journal published by Wiley-Blackwell on behalf of the International League Against Epilepsy... http://www.sciencecentric.com/news/article.php?q=09111847-current-cigarette-smokers-at-increased-risk-seizures http://www.sciencecentric.com/news/article.php?q=09111847-current-cigarette-smokers-at-increased-risk-seizures Wed, 18 Nov 2009 12:40:00 GMT A landmark, 25-year review of cases in which surgeons had to remove the lower portion of the body from the waist down for severe pelvic bone infections shows the therapy can add years and quality of life to survivors, say researchers at UT Southwestern Medical Centre... http://www.sciencecentric.com/news/article.php?q=09111846-last-resort-lower-body-amputation-effective-extreme-cases-bone-infection http://www.sciencecentric.com/news/article.php?q=09111846-last-resort-lower-body-amputation-effective-extreme-cases-bone-infection Wed, 18 Nov 2009 12:35:00 GMT 'One of the major problems in modern astrophysics is the fact that we still do not know exactly what kinds of stellar system explode as a Type Ia supernova,' says Patrick Woudt, from the University of Cape Town and lead author of the paper reporting the results. 'As these supernovae play a crucial role in showing that the Universe's expansion is currently accelerating, pushed by a mysterious dark energy, it is rather embarrassing'... http://www.sciencecentric.com/news/article.php?q=09111845-ticking-stellar-time-bomb-identified http://www.sciencecentric.com/news/article.php?q=09111845-ticking-stellar-time-bomb-identified Wed, 18 Nov 2009 12:30:00 GMT Parents have long suspected that the brains of their teenagers function differently than those of adults. With the advent of magnetic resonance imaging, or MRI, we have begun to appreciate how the brain continues to develop structurally through adolescence and on into adulthood. High emotionality is a characteristic of adolescents and researchers are trying to understand how 'emotional areas' of the brain differ between adults and adolescents... http://www.sciencecentric.com/news/article.php?q=09111844-are-teenagers-wired-differently-than-adults http://www.sciencecentric.com/news/article.php?q=09111844-are-teenagers-wired-differently-than-adults Wed, 18 Nov 2009 12:25:00 GMT With a bit of leverage, Cornell researchers have used a very tiny beam of light with as little as 1 milliwatt of power to move a silicon structure up to 12 nanometres. That's enough to completely switch the optical properties of the structure from opaque to transparent... http://www.sciencecentric.com/news/article.php?q=09111843-small-optical-force-can-budge-nanoscale-objects http://www.sciencecentric.com/news/article.php?q=09111843-small-optical-force-can-budge-nanoscale-objects Wed, 18 Nov 2009 12:20:00 GMT Most heart failure patients who develop kidney failure in the hospital do not recover from it before going home and are at increased risk of either being re-hospitalised or dying within the year, according to a Henry Ford Hospital study... http://www.sciencecentric.com/news/article.php?q=09111842-heart-failure-patients-with-kidney-dysfunction-dont-recover-well-after-hospital-discharge http://www.sciencecentric.com/news/article.php?q=09111842-heart-failure-patients-with-kidney-dysfunction-dont-recover-well-after-hospital-discharge Wed, 18 Nov 2009 12:15:00 GMT In clinical trials for cancer, it is standard for clinicians rather than patients to report adverse symptom side effects from treatments, such as nausea and fatigue. At present, patient self-reporting, although important, is not a well studied source of this information. A new longitudinal study from researchers at Memorial Sloan-Kettering Cancer Centre finds that while clinicians' and patients' reporting of treatment side effects are very different from each other, together they provide a more complete, clinically meaningful picture of the treatment experience... http://www.sciencecentric.com/news/article.php?q=09111841-cancer-patients-doctors-report-drug-side-effects-differently http://www.sciencecentric.com/news/article.php?q=09111841-cancer-patients-doctors-report-drug-side-effects-differently Wed, 18 Nov 2009 12:10:00 GMT A study by researchers at the University of Bergen, Norway, and the Institute of Psychiatry (IoP) at King's College London has found that depression is as much of a risk factor for mortality as smoking... http://www.sciencecentric.com/news/article.php?q=09111840-depression-as-deadly-as-smoking-but-anxiety-may-be-good-you http://www.sciencecentric.com/news/article.php?q=09111840-depression-as-deadly-as-smoking-but-anxiety-may-be-good-you Wed, 18 Nov 2009 12:05:00 GMT Be prepared, that old Boy Scout motto, is being applied with great success to operating room patients whose anatomy may make it difficult for physicians to help them breathe during surgery, Johns Hopkins researchers report in a new study... http://www.sciencecentric.com/news/article.php?q=09111839-need-emergency-airway-surgery-hard-to-intubate-patients-reduced http://www.sciencecentric.com/news/article.php?q=09111839-need-emergency-airway-surgery-hard-to-intubate-patients-reduced Wed, 18 Nov 2009 12:00:00 GMT Almost half of UK women could be suffering from a lack of vitamin A due to a previously undiscovered genetic variation, scientists at Newcastle University have found... http://www.sciencecentric.com/news/article.php?q=09111838-women-at-risk-from-vitamin-deficiency http://www.sciencecentric.com/news/article.php?q=09111838-women-at-risk-from-vitamin-deficiency Wed, 18 Nov 2009 11:55:00 GMT Researchers from North Carolina State University have identified a gene that tells embryonic stem cells in the brain when to stop producing nerve cells called neurones. The research is a significant advance in understanding the development of the nervous system, which is essential to addressing conditions such as Parkinson's disease, Alzheimer's disease and other neurological disorders... http://www.sciencecentric.com/news/article.php?q=09111837-on-your-last-nerve-nc-state-researchers-advance-understanding-stem-cells http://www.sciencecentric.com/news/article.php?q=09111837-on-your-last-nerve-nc-state-researchers-advance-understanding-stem-cells Wed, 18 Nov 2009 11:50:00 GMT Biologists at UC San Diego have discovered that honeybees can discriminate between food at different temperatures, an ability that may assist bees in locating the warm, sugar-rich nectar or high-protein pollen produced by many flowers... http://www.sciencecentric.com/news/article.php?q=09111836-study-finds-bees-can-learn-differences-food-temperature http://www.sciencecentric.com/news/article.php?q=09111836-study-finds-bees-can-learn-differences-food-temperature Wed, 18 Nov 2009 11:45:00 GMT Finding alternative feed sources for chickens, pigs and other farm animals will significantly reduce pressure on the world's dwindling fisheries while contributing positively to climate change, according to University of British Columbia researchers... http://www.sciencecentric.com/news/article.php?q=09111835-alternative-animal-feed-part-global-fisheries-crisis-fix-ubc-study http://www.sciencecentric.com/news/article.php?q=09111835-alternative-animal-feed-part-global-fisheries-crisis-fix-ubc-study Wed, 18 Nov 2009 11:40:00 GMT Mountain goats are no exception to the general rule among mammals that larger males sire more and healthier offspring. But University of Alberta researcher David Coltman has found a genetic quirk that might make female mountain goats think twice about their romantic partners... http://www.sciencecentric.com/news/article.php?q=09111834-are-female-mountain-goats-sexually-conflicted-over-size-mate http://www.sciencecentric.com/news/article.php?q=09111834-are-female-mountain-goats-sexually-conflicted-over-size-mate Wed, 18 Nov 2009 11:35:00 GMT Tufts University researchers have identified a gene-diet interaction that appears to influence body weight and have replicated their findings in three independent studies. Men and women carrying the CC genotype demonstrated higher body mass index (BMI) scores and a higher incidence of obesity, but only if they consumed a diet high in saturated fat. These associations were seen in the apolipoprotein A-II gene (APOA2) promoter... http://www.sciencecentric.com/news/article.php?q=09111833-nutrigenomics-researchers-replicate-gene-interaction-with-saturated-fat http://www.sciencecentric.com/news/article.php?q=09111833-nutrigenomics-researchers-replicate-gene-interaction-with-saturated-fat Wed, 18 Nov 2009 11:30:00 GMT Until recently, scientists believed that, following a stroke, a patient had about six months to regain any lost function. After that, patients would be forced to compensate for the lost function by focusing on their remaining abilities. Although this belief has been refuted, a University of Missouri occupational therapy professor believes that the current health system is still not giving patients enough time to recover and underestimating what the human brain can do given the right conditions... http://www.sciencecentric.com/news/article.php?q=09111832-pushing-the-brain-find-new-pathways http://www.sciencecentric.com/news/article.php?q=09111832-pushing-the-brain-find-new-pathways Wed, 18 Nov 2009 11:25:00 GMT The strongest evidence yet that the rise in atmospheric CO2 emissions continues to outstrip the ability of the world's natural 'sinks' to absorb carbon is published this week in the journal Nature Geoscience... http://www.sciencecentric.com/news/article.php?q=09111831-fossil-fuel-co2-emissions-up-by-29-percent-since-2000 http://www.sciencecentric.com/news/article.php?q=09111831-fossil-fuel-co2-emissions-up-by-29-percent-since-2000 Wed, 18 Nov 2009 11:20:00 GMT Alternative health remedies are increasingly important in the health care marketplace. A new study in the Journal of Consumer Research explores how consumers choose among the many available remedies... http://www.sciencecentric.com/news/article.php?q=09111830-when-east-meets-west-why-consumers-turn-alternative-medicine http://www.sciencecentric.com/news/article.php?q=09111830-when-east-meets-west-why-consumers-turn-alternative-medicine Wed, 18 Nov 2009 11:15:00 GMT A new study finds that a species of sea star stays cool using a strategy never before seen in the animal kingdom. The sea stars soak up cold sea water into their bodies during high tide as buffer against potentially damaging temperatures brought about by direct sunlight at low tide... http://www.sciencecentric.com/news/article.php?q=09111829-study-sea-stars-bulk-up-beat-the-heat http://www.sciencecentric.com/news/article.php?q=09111829-study-sea-stars-bulk-up-beat-the-heat Wed, 18 Nov 2009 11:10:00 GMT A well-known Eastern medicine supplement may help avoid the most common cause of liver transplantation, according to a study by researchers at the Stanford University School of Medicine. The finding came as a surprise to the scientists, who used a number of advanced genetic and genomic techniques in mice to identify a molecular pathway that counters acetaminophen toxicity, which leads to liver failure... http://www.sciencecentric.com/news/article.php?q=09111828-common-herbal-medicine-may-prevent-acetaminophen-related-liver-damage http://www.sciencecentric.com/news/article.php?q=09111828-common-herbal-medicine-may-prevent-acetaminophen-related-liver-damage Wed, 18 Nov 2009 11:05:00 GMT If you feel like you're in a losing battle with a triple-chocolate cake, a 'mental budget' can help, according to a new study in the Journal of Consumer Research... http://www.sciencecentric.com/news/article.php?q=09111827-to-eat-or-not-eat-mental-budgets-help-control-consumption http://www.sciencecentric.com/news/article.php?q=09111827-to-eat-or-not-eat-mental-budgets-help-control-consumption Wed, 18 Nov 2009 11:00:00 GMT Males have more pronounced personalities than females across a range of species - from humans to house sparrows - according to new research. Consistent personality traits, such as aggression and daring, are also more important to females when looking for a mate than they are to males. Research from the University of Exeter draws together a range of studies to reveal the role that sexual selection plays in this disparity between males and females... http://www.sciencecentric.com/news/article.php?q=09111826-studies-suggest-males-have-more-personality http://www.sciencecentric.com/news/article.php?q=09111826-studies-suggest-males-have-more-personality Wed, 18 Nov 2009 10:55:00 GMT Are ladybugs being overtaken by wasps? A Universite de Montreal entomologist is investigating a type of wasp (Dinocampus coccinellae) present in Quebec that forces ladybugs (Coccinella maculata) to carry their larvae. These wasps lay their eggs on the ladybug's body, a common practice in the insect world, yet they don't kill their host... http://www.sciencecentric.com/news/article.php?q=09111825-ladybugs-taken-hostage-by-wasps http://www.sciencecentric.com/news/article.php?q=09111825-ladybugs-taken-hostage-by-wasps Wed, 18 Nov 2009 10:50:00 GMT More than six percent of expectant mothers in Quebec consume prescription drugs that are known to be harmful to their foetuses, according to a Universite de Montreal investigation published in the British Journal of Obstetrics and Gynaecology. Half these women will voluntarily terminate their pregnancy fearing congenital malformations, which means the abortion rate among these women is 11 percent higher than in the rest of the population... http://www.sciencecentric.com/news/article.php?q=09111824-some-prescription-meds-can-harm-foetus http://www.sciencecentric.com/news/article.php?q=09111824-some-prescription-meds-can-harm-foetus Wed, 18 Nov 2009 10:45:00 GMT A police officer who works the night shift, typically from 8 PM to 4 AM, already is at a disadvantage when it comes to getting a good 'night's' sleep... http://www.sciencecentric.com/news/article.php?q=09111823-night-beat-overtime-disrupted-sleep-pattern-can-harm-officers-health http://www.sciencecentric.com/news/article.php?q=09111823-night-beat-overtime-disrupted-sleep-pattern-can-harm-officers-health Wed, 18 Nov 2009 10:40:00 GMT Canadians know that too much salt isn't good for their diets, but half still continue to shake it on, according to a new study by University of Alberta researchers... http://www.sciencecentric.com/news/article.php?q=09111822-canadians-finding-it-tough-shake-the-salt-habit http://www.sciencecentric.com/news/article.php?q=09111822-canadians-finding-it-tough-shake-the-salt-habit Wed, 18 Nov 2009 10:35:00 GMT Hardening of the arteries has been detected in Egyptian mummies, some as old as 3,500 years, suggesting that the factors causing heart attack and stroke are not only modern ones; they afflicted ancient people, too... http://www.sciencecentric.com/news/article.php?q=09111821-heart-disease-found-egyptian-mummies http://www.sciencecentric.com/news/article.php?q=09111821-heart-disease-found-egyptian-mummies Wed, 18 Nov 2009 10:30:00 GMT Tiny insects could be as intelligent as much bigger animals, despite only having a brain the size of a pinhead, say scientists at Queen Mary, University of London... http://www.sciencecentric.com/news/article.php?q=09111820-bigger-not-necessarily-better-when-it-comes-brains http://www.sciencecentric.com/news/article.php?q=09111820-bigger-not-necessarily-better-when-it-comes-brains Wed, 18 Nov 2009 10:25:00 GMT Many patients with diabetes should forego angioplasties for heart disease and just take medicine instead, according to a new National Institutes of Health study led by Stanford University School of Medicine researcher Mark Hlatky, MD... http://www.sciencecentric.com/news/article.php?q=09111819-drug-therapy-more-cost-effective-than-angioplasty-diabetic-patients-with-heart-disease http://www.sciencecentric.com/news/article.php?q=09111819-drug-therapy-more-cost-effective-than-angioplasty-diabetic-patients-with-heart-disease Wed, 18 Nov 2009 10:20:00 GMT Women who experience preeclampsia, a serious complication of pregnancy, may have an increased risk for reduced thyroid functioning later in life, report a team of researchers from the National Institutes of Health and other institutions... http://www.sciencecentric.com/news/article.php?q=09111818-study-finds-link-between-preeclampsia-reduced-thyroid-function http://www.sciencecentric.com/news/article.php?q=09111818-study-finds-link-between-preeclampsia-reduced-thyroid-function Wed, 18 Nov 2009 10:15:00 GMT The largest national stem cell study for heart disease showed the first evidence that transplanting a potent form of adult stem cells into the heart muscle of subjects with severe angina results in less pain and an improved ability to walk. The transplant subjects also experienced fewer deaths than those who didn't receive stem cells... http://www.sciencecentric.com/news/article.php?q=09111817-your-own-stem-cells-can-treat-heart-disease http://www.sciencecentric.com/news/article.php?q=09111817-your-own-stem-cells-can-treat-heart-disease Wed, 18 Nov 2009 10:10:00 GMT Clinician's and patient's adverse symptom reports may be discrepant from each other, but provide complementary, clinically meaningful information, according to a new study published online November 17 in the Journal of the National Cancer Institute... http://www.sciencecentric.com/news/article.php?q=09111816-adverse-symptom-reporting-by-patients-vs-clinicians http://www.sciencecentric.com/news/article.php?q=09111816-adverse-symptom-reporting-by-patients-vs-clinicians Wed, 18 Nov 2009 10:05:00 GMT Scientists from the Max Planck Institute (MPI) of Biochemistry in Martinsried near Munich, Germany, have now deciphered the mechanism that illustrates how these mobile cells move on diverse surfaces. 'Similar to a car, these cells have an engine, a clutch and wheels which provide the necessary friction,' explains Michael Sixt, a research group leader at the MPI of Biochemistry. The results, which were developed in cooperation with colleagues from the MPI for Metals Research in Stuttgart, Germany, have now been published in Nature Cell Biology... http://www.sciencecentric.com/news/article.php?q=09111815-cross-country-runabouts-immune-cells-on-the-move http://www.sciencecentric.com/news/article.php?q=09111815-cross-country-runabouts-immune-cells-on-the-move Wed, 18 Nov 2009 10:00:00 GMT NASA's Dawn spacecraft re-entered our solar system's asteroid belt 13 November and this time it will stay there... http://www.sciencecentric.com/news/article.php?q=09111814-dawn-enters-asteroid-belt-good http://www.sciencecentric.com/news/article.php?q=09111814-dawn-enters-asteroid-belt-good Wed, 18 Nov 2009 09:55:00 GMT A new type of immune cell that can be out of control in certain chronic inflammatory diseases, worsening the symptoms of conditions like psoriasis and asthma, is described for the first time this week in the Journal of Clinical Investigation... http://www.sciencecentric.com/news/article.php?q=09111813-scientists-discover-cells-that-control-inflammation-chronic-disease http://www.sciencecentric.com/news/article.php?q=09111813-scientists-discover-cells-that-control-inflammation-chronic-disease Wed, 18 Nov 2009 09:50:00 GMT At the moment a newborn switches from amniotic fluid to breathing air, another profound shift occurs: nerve cells in the brain convert from hyperexcitability to a calm frame against which outside signals can be detected... http://www.sciencecentric.com/news/article.php?q=09111812-duke-researchers-find-explanation-rapid-maturation-neurones-at-birth http://www.sciencecentric.com/news/article.php?q=09111812-duke-researchers-find-explanation-rapid-maturation-neurones-at-birth Wed, 18 Nov 2009 09:45:00 GMT Monetary gain stimulates activity in the brain. Even the mere possibility of receiving a reward is known to activate an area of the brain called the striatum. A team of Japanese researchers report in the January 2010 issue of Cortex, published by Elsevier, the results of a study in which they measured striatum activation in volunteers performing a monetary task and found high-risk/high-gain options to cause higher levels of activation than more conservative options. They also found levels of activation to increase with the amount of money owned... http://www.sciencecentric.com/news/article.php?q=09111811-monetary-gain-high-risk-tactics-stimulate-activity-the-brain http://www.sciencecentric.com/news/article.php?q=09111811-monetary-gain-high-risk-tactics-stimulate-activity-the-brain Wed, 18 Nov 2009 09:40:00 GMT Educating family members of heart failure (HF) patients about the health benefits of consuming a low-salt diet and providing skills for support and communication can effectively reduce HF patients' sodium consumption, according to an interdisciplinary study led by Emory University cardiovascular nursing researcher Sandra Dunbar, RN, DSN, FAAN, FAHA... http://www.sciencecentric.com/news/article.php?q=09111810-family-partnership-education-interventions-lower-heart-failure-patients-salt-consumption http://www.sciencecentric.com/news/article.php?q=09111810-family-partnership-education-interventions-lower-heart-failure-patients-salt-consumption Wed, 18 Nov 2009 09:35:00 GMT First, it was the soccer-ball-shaped molecules dubbed buckyballs. Then it was the cylindrically shaped nanotubes. Now, the hottest new material in physics and nanotechnology is graphene: a remarkably flat molecule made of carbon atoms arranged in hexagonal rings much like molecular chicken wire... http://www.sciencecentric.com/news/article.php?q=09111809-new-study-confirms-exotic-electric-properties-graphene http://www.sciencecentric.com/news/article.php?q=09111809-new-study-confirms-exotic-electric-properties-graphene Wed, 18 Nov 2009 09:30:00 GMT A species of common skate is to become the first marine fish species to be driven to extinction by commercial fishing, due to an error of species classification 80 years ago, reveals research published today in the journal Aquatic Conservation... http://www.sciencecentric.com/news/article.php?q=09111808-is-80-year-old-mistake-leading-first-species-be-fished-extinction http://www.sciencecentric.com/news/article.php?q=09111808-is-80-year-old-mistake-leading-first-species-be-fished-extinction Wed, 18 Nov 2009 09:25:00 GMT Between 1999 and 2006, the prevalence of adults in the U.S. with high levels of LDL cholesterol, the 'bad' cholesterol, decreased by about one-third, according to a study in the November 18 issue of JAMA. But a high percentage of adults still are not being screened or treated for high cholesterol levels... http://www.sciencecentric.com/news/article.php?q=09111807-prevalence-high-ldl-or-bad-cholesterol-levels-decreases-us http://www.sciencecentric.com/news/article.php?q=09111807-prevalence-high-ldl-or-bad-cholesterol-levels-decreases-us Wed, 18 Nov 2009 09:20:00 GMT Patients with heart disease in Norway, a country with no fortification of foods with folic acid, had an associated increased risk of cancer and death from any cause if they had received treatment with folic acid and vitamin B12, according to a study in the November 18 issue of JAMA... http://www.sciencecentric.com/news/article.php?q=09111806-treatment-with-folic-acid-vitamin-b12-associated-with-increased-risk-cancer-death http://www.sciencecentric.com/news/article.php?q=09111806-treatment-with-folic-acid-vitamin-b12-associated-with-increased-risk-cancer-death Wed, 18 Nov 2009 09:15:00 GMT Despite the economic effects of the global financial crisis (GFC), carbon dioxide emissions from human activities rose 2 per cent in 2008 to an all-time high of 1.3 tonnes of carbon per capita per year, according to a paper published today in Nature Geoscience... http://www.sciencecentric.com/news/article.php?q=09111805-human-emissions-rise-2-percent-despite-gfc http://www.sciencecentric.com/news/article.php?q=09111805-human-emissions-rise-2-percent-despite-gfc Wed, 18 Nov 2009 09:10:00 GMT If you eat fish to gain the heart-health benefits of its omega-3 fatty acids, baked or boiled fish is better than fried, salted or dried, according to research presented at the American Heart Association's Scientific Sessions 2009... http://www.sciencecentric.com/news/article.php?q=09111804-how-fish-is-cooked-affects-heart-health-benefits-omega-3-fatty-acids http://www.sciencecentric.com/news/article.php?q=09111804-how-fish-is-cooked-affects-heart-health-benefits-omega-3-fatty-acids Wed, 18 Nov 2009 09:05:00 GMT