Brightsurf Science News & Current Events

March 04, 2013
Daily HIV prevention approaches didn't work for African women in the VOICE study
A major HIV prevention trial found daily use of a product was not the right approach for young, unmarried African women.

Deep Carbon: Quest underway to discover its quantity, movements, origins and forms in Earth
A landmark new book, Carbon in Earth, is the first major product after three years of work by world-leading scientists collaborating in the DCO -- a $500 million, 10-year international program which aims to reveal the quantity, movements, forms and origins of carbon inside our planet.

Vanderbilt study finds maternal diet important predictor of severity for infant RSV
An important predictor of the severity of respiratory syncytial virus (RSV) in infants may be what their mothers ate during pregnancy, according to a Vanderbilt study published in the American Journal of Respiratory and Critical Care Medicine.

The heart in the Petri dish
How can progenitor cells turn into tissues? At the Vienna University of technology, chemical substances have been developed which control the differentiation of progenitor cells into heart cells.

60 percent loss of forest elephants in Africa confirmed
African forest elephants are being poached out of existence. A study just published in the online journal PLOS ONE shows that across their range in central Africa, a staggering 62 percent of all forest elephants have been killed for their ivory over the past decade.

Human Y chromosome much older than previously thought
The discovery and UA analysis of an extremely rare African American Y chromosome push back the time of the most recent common ancestor for the Y chromosome lineage tree to 338,000 years ago.

NASA Goddard lab works at extreme edge of cosmic ice
Behind locked doors, in a lab built like a bomb shelter, Perry Gerakines makes something ordinary yet truly alien: ice.

NASA transfers operational control of environmental satellite
The Suomi National Polar-orbiting Partnership satellite, a partnership between NASA and the National Oceanic and Atmospheric Administration, was transitioned to NOAA operational organization control Feb.

Toddler 'functionally cured' of HIV infection, NIH-supported investigators report
A two-year-old child born with HIV infection and treated with antiretroviral drugs beginning in the first days of life no longer has detectable levels of virus using conventional testing despite not taking HIV medication for 10 months, according to findings presented at the Conference on Retroviruses and Opportunistic Infections in Atlanta.

March story tips
By introducing microbial fuel cells into the corn stover biorefinery waste recovery process, a team of researchers at Oak Ridge National Laboratory has demonstrated a new way to produce bioenergy from the process waste stream.

Don't be fooled: Flowers mislead traditional taxonomy
For hundreds of years, plant taxonomists have worked to understand how species are related.

Colon cancer screening doubles with new e-health record use
Researchers used electronic health records to identify Group Health patients who weren't screened regularly for cancer of the colon and rectum -- and to encourage them to be screened.

Researchers ID queens, mysterious disease syndrome as key factors in bee colony deaths
A new long-term study of honey bee health has found that a little-understood disease study authors are calling

Sometimes, the rubber meets the road when you don't want it to
Back in 2010, the ideas behind a squid's sticky tendrils and Spiderman's super-strong webbing were combined to create a prototype for the first remote device able to stop vehicles in their tracks.

Losing weight sooner has best chance to reverse heart damage, mouse study shows
In a study of the impact of weight loss on reversing heart damage from obesity, Johns Hopkins researchers found that poor heart function in young obese mice can be reversed when the animals lose weight from a low-calorie diet.

SMU psychology department awarded more than $1 million in grants
Southern Methodist University's Department of Psychology has received a grant funded by the U.S.

Discovery opens door to new drug options for serious diseases
Researchers have discovered how oxidative stress can turn to the dark side a cellular protein that's usually benign, and make it become a powerful, unwanted accomplice in neuronal death.

CVD data to be standardized across Europe
Tackling chronic diseases requires up to date information on disease prevalence and risk factors but Europe currently lacks data on cardiovascular disease that is standardized and can be compared.

Vitamin deficiency screening needed for refugees
New research from the University of Adelaide has discovered a high prevalence of vitamin B12 deficiency among refugees, prompting calls for refugees to be routinely screened for the problem soon after they arrive.

Limiting access to alcohol reduces violence
In a book published this month,

Discovery of 'executioner' protein opens door to new options for stroke ALS, spinal cord injury
Oxidative stress turns a protein that normally protects healthy cells into their executioner, according to a study released today in the Proceedings of the National Academy of Sciences journal.

Study of tenofovir vaginal gel shows daily dosing ineffective due to lack of adherence
Researchers with the Microbicide Trials Network today announced results of the Vaginal and Oral Interventions to Control the Epidemic study at the Conference for Retroviruses and Opportunistic Infections in Atlanta, Georgia.

Spanish solar energy: A model for the future?
There is no free fuel. Whether you drill for and refine oil, or manufacture and maintain a panel to collect solar energy and convert it into electricity, it takes energy to make energy.

MIT researchers develop solar-to-fuel roadmap for crystalline silicon
A new analysis points the way to optimizing efficiency of an integrated system for harvesting sunlight to make storable fuel.

'True grit' erodes assumptions about evolution
New work in Argentina where scientists had previously thought Earth's first grasslands emerged 38 million years ago, shows the area at the time covered with tropical forests rich with palms, bamboos and gingers.

New research confirms plight of bumble bees, persistence of other bees in Northeast
A new study shows that although certain bumble bees are at risk, other bee species in the northeastern United States persisted across a 140-year period despite expanding human populations and changing land use.

Essential Reproduction, 7th edition
Wiley is pleased to announce the publication of Essential Reproduction, 7th edition, a fully revised and updated edition of the best-selling introduction to the study of reproduction.

Fermat's Last Theorem and more can be proved more simply
Case Western Reserve University's Colin McLarty has shown Fermat's Last Theorem can be proved using only a small portion of Grothendieck's work.

Early antiretroviral treatment reduces viral reservoirs in HIV-infected teens
A new study led by University of Massachusetts Medical School professor and immunologist Katherine Luzuriaga, MD, and Johns Hopkins Children's Center virologist Deborah Persaud, MD, highlights the long-term benefits of early antiretroviral therapy initiated in infants.

'OK' contact lenses work by flattening front of cornea, not the entire cornea...
A contact lens technique called overnight orthokeratology (OK) brings rapid improvement in vision for nearsighted patients.

Pharmaceutical advertising down but not out
The pharmaceutical industry has pulled back on marketing to physicians and consumers, yet some enduring patterns persist.

Scores that evaluate newborn intensive care units are inconsistent
Future tools should build on success of current scores to improve care for vulnerable infants, according to U-M research published in Pediatrics.

First evidence that obesity gene is risk factor for melanoma
The gene most strongly linked to obesity and over eating may also increase the risk of malignant melanoma -- the most deadly skin cancer, according to Cancer Research UK scientists at the University of Leeds.

Unhealthy drinking widespread around the world, CAMH study shows
A new study by the Centre for Addiction and Mental Health shows that alcohol is now the third leading cause of the global burden of disease and injury, despite the fact most adults worldwide abstain from drinking.

The right dose for oncology
EPFL researchers develop a tool for oncologists using the electrical signature of cancer cells to get just the right treatment dosage for each patient.

Improve prison health care in Canada
Canada needs to reform its patchwork system of prison health care that does not adequately care for prisoners' complex health care needs, argues an editorial in CMAJ (Canadian Medical Association Journal).

Was King Richard III a control freak?
University of Leicester psychologists believe Richard III was not a psychopath -- but he may have had control freak tendencies.

New American Chemical Society video explains why cats lack a sweet tooth
Do cats purrr-ferrr sardines or sweets? The American Chemical Society, the world's largest scientific society, today released a new Bytesize Science video that explains why cats, unlike humans and other mammals, are indifferent to sweet flavors.

Life saving treatment for fire ant allergy under used
According to a study published in Annals of Allergy, Asthma & Immunology, an astonishing 60 percent of those allergic to fire ant stings don't adhere to immunotherapy (allergy shots) guidelines.

Grandmother's cigarette habit could be the cause of grandchild's asthma
Studies finding grandmother's smoking habit may cause grandchild to have asthma suggest environmental factors experienced today can affect families' health for generations to come.

FRIDa, the images of food
It's called FRIDa and it's the new image database created at the International School for Advanced Studies of Trieste to carry out research on eating behaviors and choices.

Pediatric cancer charities partner to fund international collaborative research
Solving Kids' Cancer, along with UK-based charities Neuroblastoma Alliance UK, J-A-C-K, and other European organizations have aligned forces to improve access to promising clinical trials for children with high-risk neuroblastoma in North America, the UK and Europe.

Veniam is the winner of the major Portuguese Venture Competition 'Builidng Global Innovators'
Veniam wins the third edition of Building Global Innovators Venture Competition.

Contraband tobacco use hinders smoking cessation
People who smoke low-cost contraband cigarettes in Canada are less likely to stop smoking in the short term compared with people who smoke more expensive premium or discount cigarettes, according to a study published in CMAJ (Canadian Medical Association Journal).

Pregnant mothers with strong family support less likely to have postpartum depression, study finds
Women who receive strong social support from their families during pregnancy appear to be protected from sharp increases in a particular stress hormone, making them less likely to develop postpartum depression, a new study by UCLA life scientists indicates.

Protein synthesis blocker may hold key to reducing effects of traumatic events
Reducing fear and stress following a traumatic event could be as simple as providing a protein synthesis blocker to the brain, report a team of researchers from McLean Hospital, Harvard Medical School, McGill University, and Massachusetts General Hospital in a paper published in the March 4 issue of Proceedings of the National Academy of Sciences.

ESF-COST reveals broader significance of cultural literacy
Cultural literacy studies remain important in handling the broader challenges facing Europe today.

International aid and advocacy groups are influenced by their home countries' cultures
Dramatic protests by Netherlands-based Greenpeace contrast sharply with the lobbying and letter-writing of the US-based Sierra Club.

National commission calls for phasing out of fee-for-service pay within 5 years
The National Commission on Physician Payment Reform issued a report today detailing a series of sweeping recommendations aimed at reining in health spending and improving quality of care by fundamentally changing the way doctors are paid.

Stress hormone foreshadows postpartum depression in new mothers
Women who receive strong social support from their families during pregnancy appear to be protected from sharp increases in a particular stress hormone, making them less likely to develop postpartum depression, according to a new study published in Clinical Psychological Science, a journal of the Association for Psychological Science.

New data show countries around the world grappling with changing health challenges
Alzheimer's disease is the fastest growing threat to health in the US.

AgriLife Research animal nutritionist: Added enzymes reduce costly bloat losses
A Texas A&M AgriLife Research animal nutritionist is trying to decrease the severity of frothy bloat, the major non-pathogenic cause of death and reduced performance in cattle grazing hard red winter wheat in the southern Great Plains.

7 genetic risk factors found to be associated with common eye disorder
A professor from Case Western Reserve University School of Medicine is one of the lead authors of a study identifying seven new regions of the human genome that are associated with increased risk of age-related macular degeneration, a leading cause of blindness among older adults.

Study uncovers enzyme's double life, critical role in cancer blood supply
Studied for decades for their essential role in making proteins within cells, several amino acids known as tRNA synthetases were recently found to have an unexpected -- and critical -- additional role in cancer metastasis.

For birds, red means 'go'
New research has shown that certain Australian native flowers have shifted away from using insects as pollinators and evolved their flower color to the red hues favored by birds.

Study reveals UK's declining health performance compared to other high income countries over past 20 years
Six decades of universal free health care, the introduction of widespread public health initiatives (e.g., tobacco control, cancer screening, and immunization), and substantial increases in health expenditure have failed to improve the UK's health outcomes or longevity ranking against the average of 14 other original members of the European Union, Australia, Canada, Norway, and the USA (EU15+) over the past 20 years.

Studies advance knowledge of HIV impact on hepatitis C infection and genes that may thwart HCV
Infectious disease experts at Johns Hopkins have found that among people infected with the hepatitis C virus, co-infection with HIV, speeds damage and scarring of liver tissue by almost a decade.

New report analyzes potential impact of sequestration on CHCs and underserved communities
A new report by the Geiger Gibson/RCHN Community Health Foundation Research Collaborative at the George Washington University School of Public Health and Health Services examines the potential impact of sequestration on community health centers.

AgriLife Research and North Plains water district complete 3-year study
Three years of a research study to determine if 200 bushels of corn can be produced with a maximum of 12 inches of added irrigation water has one conclusion -- not in normal or lower-than-average rainfall years.

Is baby still breathing? Is mom's obsession normal?
A new mother may constantly worry and check to see if her baby is breathing.

Winners of the 2012 F1000Prime Faculty Member of the Year Awards
To celebrate the dedication of the F1000Prime Faculty in recommending papers of special importance across biology and medicine, Faculty of 1000 is delighted to announce the winners of the 2012 Faculty Member of the Year Awards.

AIDS journal publishes findings of 2 important studies in Mar. 2013 issue
The results of two important studies have been published in the Mar. issue of AIDS, the official journal of the International AIDS Society.

Merck scientist Daria Hazuda presents Bernard Fields Lecture at 20th Conference on Retroviruses and Opportunistic Infections (CROI)
Merck is announcing its worldwide head of Antiviral Basic Research and internationally renowned scientist, Daria Hazuda, Ph.D., presented the annual Bernard Fields Lecture at the opening session of the 20th Conference on Retroviruses and Opportunistic Infections (CROI 2013) in Atlanta.

Alligator relatives slipped across ancient seaways
The uplift of the Isthmus of Panama 2.6 million years ago formed a land-bridge that has long thought to be the crucial step in the interchange of animals between the Americas.

Parkinson's disease brain rhythms detected
A team of scientists and clinicians at UC San Francisco has discovered how to detect abnormal brain rhythms associated with Parkinson's by implanting electrodes within the brains of people with the disease.

University of Houston selected to develop social work education in China
The Council of Social Work Education has chosen the University of Houston Graduate College of Social Work as one of seven graduate programs in the US to help China build its social work education program over the next five years.

Netradar reveals the quality of mobile Internet connections
Netradar is a free service that provides neutral, accurate information about the quality of mobile Internet connections and mobile devices collected by end users themselves throughout the world.

Plants that can detox waste lands will put poisons to good use
Common garden plants are to be used to clean polluted land, with the extracted poisons being used to produce car parts and aid medical research.

One law to rule them all -- sizes within a species appear to follow a universal distribution
Researchers discovered what might be a universal property of size distributions in living systems.

What predicts distress after episodes of sleep paralysis?
Ever find yourself briefly paralyzed as you're falling asleep or just waking up?

UCSB physicists make discovery in the quantum realm
Physicists at UC Santa Barbara are manipulating light on superconducting chips, and forging new pathways to building the quantum devices of the future -- including super-fast and powerful quantum computers.

Texas A&M professor receives Fulbright award to Ecuador
Dr. Bradford Wilcox, a Texas A&M University department of ecosystem science and management professor, will spend the next year in Ecuador as the recipient of a Fulbright award.

HIV infection appears associated with increased heart attack risk
A study that analyzed data from more than 82,000 veterans suggests that infection with the human immunodeficiency virus was associated with an increased risk of acute myocardial infarction (AMI, heart attack) beyond what is explained by recognized risk factors, according to a report published Online First by JAMA Internal Medicine, a JAMA Network publication.

Functional electrical stimulation cycling promotes recovery in chronic spinal cord injury
A new study by Kennedy Krieger Institute's International Center for Spinal Cord Injury finds that long-term lower extremity functional electrical stimulation cycling, as part of a rehabilitation regimen, is associated with substantial improvements in individuals with chronic spinal cord injury.

Contraception in women over 40
Despite declining fertility, women over age 40 still require effective contraception if they wish to avoid pregnancy.

Quality of care measures improve performance
Public reporting of how physicians and hospitals perform in quality of care measures leads to improved care for patients.

Scientists call for greater access to biodiversity resources, data
The American Institute of Biological Sciences has released a report from a workshop of experts that was convened last fall to outline the steps needed to build a Network Integrated Biocollections Alliance (NIBA) in the next ten years.

BUSM researchers use goal-oriented therapy to treat diabetic neuropathies
Researchers at Boston University School of Medicine and VA Boston Healthcare System have found that cognitive behavioral therapy can help relieve pain for people with painful diabetic neuropathies.

Mom's placenta reflects her exposure to stress and impacts offsprings' brains, Penn Vet team finds
The mammalian placenta is more than just a filter through which nutrition and oxygen are passed from a mother to her unborn child.

National Sleep Foundation poll finds exercise key to good sleep
Exercise can affect your sleep. The results of the National Sleep Foundation's 2013 Sleep in America® poll show a compelling association between exercise and better sleep.

Promiscuous enzymes may be recruited to aid industry, medical fields
Enzymes in cells normally perform only one job, but a new study by a Texas A&M AgriLife Research scientist might figure out how to recruit enzymes for other jobs to benefit medical fields and industry.

Survey finds public support for legal interventions to fight obesity, noncommunicable diseases
Survey finds the public is very supportive of government action aimed at changing lifestyle choices that can lead to obesity, diabetes, and other noncommunicable diseases.

'Shelf life' of blood? Shorter than we think
A small study from Johns Hopkins adds to the growing body of evidence that red blood cells stored longer than three weeks begin to lose the capacity to deliver oxygen-rich cells where they may be most needed.

Vortex loops could untie knotty physics problems
University of Chicago physicists have succeeded in creating a vortex knot -- a feat akin to tying a smoke ring into a knot.

The 'no worries' approach fails to identify Australian women with childbirth fear
Having a fear of birth has a negative impact on women's pregnancy and birth.

Annals of Internal Medicine tip sheet for March 5, 2013
Below is information about articles being published in the March 5 issue of Annals of Internal Medicine.

New Lancet paper reveals that UK lags behind much of Europe on key measures of health
Britons are living longer lives and enjoying better health, but they are still grappling with disabling conditions such as back and neck pain and depression, often more than people in most other European countries.

Single inhaler asthma therapy better at preventing attacks than recommended treatment
Two large randomized trials published to coincide with the launch of the Lancet Respiratory Medicine provide compelling new evidence that using two types of common asthma medications combined in one inhaler for both preventive and rescue treatment (Single inhaler Maintenance and Reliever Therapy; SMART) is more effective at reducing attacks than guideline-based treatment in adults whose asthma is not well controlled, and is safe and well tolerated.

'Free play' is vital to children's healthy development, says Boston College psychologist
The importance of play -- crucial for children's healthy psychological development and ability to thrive in life -- is woefully underestimated by parents and educators, according to Peter Gray, a Boston College developmental psychologist and author of the new book Free to Learn: Why Unleashing the Instinct to Play Will Make Our Children Happier, More Self-Reliant, and Better Students for Life.

Speech emerges in children with autism and severe language delay at greater rate than thought
New findings published in Pediatrics by the Kennedy Krieger Institute's Center for Autism and Related Disorders reveal that 70 percent of children with autism spectrum disorders (ASD) who have a history of severe language delay, achieved phrase or fluent speech by age eight.

Research: Bankruptcy judges influenced by apologies
Debtors who apologized were seen as more remorseful and were expected to manage their finances more carefully in the future compared to debtors who did not offer an apology, finds a study co-written by U. of I. law professors Jennifer K.

Could a common blood pressure drug slow down the progression of Alzheimer's?
A ground-breaking trial that hopes to discover if a drug commonly used to treat high blood pressure could slow down the progression of Alzheimer's disease will begin shortly thanks to funding of nearly £2 million by the Medical Research Council and managed by the National Institute for Health Research*.

In Greenland and Antarctic tests, Yeti helps conquer some 'abominable' polar hazards
A century after Western explorers first crossed the dangerous landscapes of the Arctic and Antarctic, researchers funded by the National Science Foundation have successfully deployed a self-guided robot that uses ground-penetrating radar to map deadly crevasses hidden in ice-covered terrains.

Sanford-Burnham and 60° Pharmaceuticals to pursue promising target for the treatment of dengue fever
Sanford-Burnham Medical Research Institute and 60° Pharmaceuticals have entered into a partnership to test furin, a human proteinase, as a drug target for the treatment of dengue fever, one of the most common infectious diseases in the tropics and subtropics.

'Very low' risk of infections in advanced brain procedures
Patients undergoing cerebral angiography and neurointerventional procedures on the brain are at very low risk of infection--even without preventive antibiotics, reports a study in the March issue of Neurosurgery, official journal of the Congress of Neurological Surgeons.

Accurate water vapor measurements for improved weather and climate models
An humidity sensor developed by the Physikalisch-Technische Bundesanstalt, the SEALDH laser hygrometer, has proven its worth when used aboard an aircraft; it fulfils all pre-conditions to be used as a transfer standard for conventional humidity-measuring instruments.

Researchers propose new solution to ensure biofuel plants don't become noxious weeds
Virginia Tech scientist and others propose innovative solution to ensure lucrative biofuel plants such as arundo donax do not become invasive weeds that can destroy fragile ecosystems.

Industry and academic researchers gather for innovative accelerating cancer cures research symposium
Today, the Damon Runyon Cancer Research Foundation held its annual Accelerating Cancer Cures Research Symposium designed to foster communication and collaboration between cancer researchers in industry and academia to speed progress against cancer.

Neighborhood poverty and health insurance figure in late-stage diagnosis of breast cancer

A team of scientists was assembled by the North American Association of Central Cancer Registries to examine breast cancer stage at diagnosis among 161,619 women aged 40 years and older diagnosed in ten participating US states.

Global warming will open unexpected new shipping routes in Arctic, UCLA researchers find
Shipping lanes through the Arctic Ocean won't put the Suez and Panama canals out of business anytime soon, but global warming will make these frigid routes much more accessible than ever imagined by melting an unprecedented amount of sea ice during the late summer, new UCLA research shows.

A billion deaths from tobacco are a key obstacle to global development
If the world's nations are going to prevent tobacco smoking from causing one projected billion deaths by the end of this century, they must classify tobacco marketing as a threat to public health.

Lawrence Livermore helps find link to arsenic-contaminated groundwater
A team of researchers from Lawrence Livermore National Laboratory, Barnard College, Columbia University, University of Dhaka, Desert Research Institute and University of Tennessee found that the arsenic in groundwater in the region is part of a natural process that predates any recent human interaction, such as intensive pumping.

ADHD takes a toll well into adulthood
Long-term Boston Children's and Mayo Clinic study followed children with attention-deficit hyperactivity disorder (ADHD) into adulthood, shows ADHD often remains.

Prospective study finds many children with retinoblastoma can safely forego adjuvant chemotherapy
The summary of a study being published online Mar. 4, 2013 in the Journal of Clinical Oncology reports that in certain children with retinoblastoma, adjuvant chemotherapy can be avoided without risking worsening the disease or relapsing.

Researchers develop an infrared camera that detects 1 of the main causes of acid rain
A spin-off of the Universidad Carlos III de Madrid, SENSIA Solutions, has developed the first infrared camera for detecting sulfur dioxide, a gas that is considered one of the greatest causes of the acid rain generated by the energy, metallurgy, food and paper manufacturing sectors.

Recon 2 modeling may help tailor treatments for patients with metabolic diseases, cancer
An international team of researchers, including an investigator with the Virginia Bioinformatics Institute at Virginia Tech, has produced what may be the most comprehensive computer model of human metabolism yet developed.

A vaccine that works in newborns?
The underdeveloped immune systems of newborns don't respond to most vaccines, leaving them at high risk for infections like rotavirus, pertussis (whooping cough) and pneumococcus.

Why your brain tires when exercising
For the first time ever, a research team at the University of Copenhagen is able to explain why our brains feel tired when we exercise.

Study identifies ways to increase HIV testing, reduce HIV infection
Study results presented today at the Conference on Retroviruses and Opportunistic Infections by the HIV Prevention Trials Network and the National Institutes of Health show that a series of community efforts can increase the number of people who get tested and know their HIV status, especially among men and young people with HIV who might otherwise transmit the virus to others.

Wiley launches new open access journal: Immunity, Inflammation and Disease
John Wiley & Sons, Inc., announced today the launch of a new open access, interdisciplinary journal providing rapid publication of cutting-edge research across the broad field of immunology.

How the brain loses and regains consciousness
Researchers from MIT and Massachusetts General Hospital have identified distinctive brain patterns associated with different stages of general anesthesia.

Medicare patients who use hospice receive better care at a lower cost to the government
Medicare patients who enrolled in hospice received better care at a significantly lower cost to the government than those who did not use the Medicare hospice benefit.

Sun Yat-sen University and Johns Hopkins sign collaboration agreement
The training of next-generation clinical investigators in China is at the core of a new collaboration between Sun Yat-sen University and its affiliated hospitals in Guangzhou, China, and The Johns Hopkins University and Johns Hopkins Medicine International in Baltimore, USA.

NJIT computer scientists feted for ways to store data with untrusted cloud providers
NJIT researchers received a top honor for their ideas on better ways to ensure the integrity and long-term reliability of data stored at potentially untrusted cloud storage providers.

Brain adds cells in puberty to navigate adult world
The brain adds new cells during puberty to help navigate the complex social world of adulthood, two Michigan State University neuroscientists report in the current issue of the Proceedings of the National Academy of Sciences.

2013 General Assembly of the European Geosciences Union
The programme for the EGU General Assembly, a meeting with 10,000+ scientists covering all disciplines of the Earth, planetary, and space sciences, is now online.

Daily-use HIV prevention approaches prove ineffective among women in NIH study
Three antiretroviral-based strategies intended to prevent HIV infection among women did not prove effective in a major clinical trial in Africa.

Study shows mirabegron effective and well tolerated for overactive bladder
In a new phase III trial mirabegron, a beta3-adrenoceptor agonist, given once daily for 12 weeks, reduced the frequency of incontinence episodes and number of daily urinations, and improved urgency and nocturia in adults with overactive bladder compared to those in a placebo group.

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