Brightsurf Science News & Current Events

September 29, 2014
SIAM and ACM honor software developers for large-scale scientific computing toolkit
The Society for Industrial and Applied Mathematics and the Association for Computing Machinery are pleased to present the SIAM/ACM Prize in Computational Science and Engineering to the PETSc core development team for the development of Portable Extensible Toolkit for Scientific Computation, a suite of data structures and routines intended for use in large-scale application projects.

Brief depression questionnaires could lead to unnecessary antidepressant prescriptions
Short questionnaires used to identify patients at risk for depression are linked with antidepressant medications being prescribed when they may not be needed, according to new research from UC Davis Health System published in the September-October issue of the Journal of the American Board of Family Medicine.

Myriad presents tumor BRACAnalysis CDx study at ESMO
Data presented at the European Society for Medical Oncology annual meeting show that Myriad's Tumor BRACAnalysis CDx companion diagnostic test significantly improved the detection of cancer-causing BRCA1/2 mutations by 44 percent in women with ovarian cancer.

How career dreams are born
A new study shows just what it takes to convince a person that she is qualified to achieve the career of her dreams.

2015 DOE JGI's science portfolio delves deeper into the Earth's data mine
In selecting 32 new projects with samples from diverse environments for the 2015 Community Science Program (CSP), the Department of Energy Joint Genome Institute shifts 'from solving an organism's genome sequence to enabling an understanding of what this information enables organisms to do.' The total allocation of the CSP 2015 portfolio is expected to exceed 60 trillion bases -- the equivalent of 20,000 human genomes of plant, fungal and microbial genome sequences.

Association of physical activity with diabetes is weakest among women at high genetic risk
New research published in Diabetologia, the journal of the European Association for the Study of Diabetes, suggests that the protective effect of physical activity against diabetes is weakest among those at high genetic risk.

Sleep twitches light up the brain
A new UI study finds twitches during rapid eye movement sleep comprise a different class of movement, which researchers say is further evidence that sleep twitches activate circuits throughout the developing brain and teach newborns about their limbs and what they can do with them.

U-M, USC, Broad to study genetics of 2 mental health disorders
Researchers at the University of Michigan School of Public Health and Medical School and collaborators at two other institutions will undertake the largest whole genome sequencing study funded to date, as they seek to better understand bipolar disorder and schizophrenia.

New VCU center to target cocaine addiction
Virginia Commonwealth University has received a five-year, $6 million grant for clinical research and education directed toward the identification, evaluation and development of safe and effective treatments for cocaine addiction.

Promising results shown with targeted approaches in subsets of non-small cell lung cancer
The BRAF inhibitor dabrafenib has significant anti-tumour activity in patients with advanced BRAF V600E mutant non-small cell lung cancer whose disease has progressed after chemotherapy, according to phase II data presented at the ESMO 2014 Congress in Madrid, Spain.

Scientists discover a new role for estrogen in the pathology of breast cancer
Scientists have discovered a previously unknown mechanism by which estrogen prepares cells to divide, grow and, in the case of estrogen-positive breast cancers, resist cancer drugs.

Radiation risks should be considered and discussed before heart imaging
Patients should have a clear understanding of why their healthcare provider has recommended a heart imaging test and the potential benefits and risks of the test, including risks related to radiation exposure.

After-school exercise program enhances cognition in 7-, 8- and 9-year-olds
A nine-month-long, randomized controlled trial involving 221 prepubescent children found that those who engaged in moderate-to-vigorous physical activity for at least 60 minutes a day after school saw substantial improvements in their ability to pay attention, avoid distraction and switch between cognitive tasks, researchers report in the journal Pediatrics.

At the interface of math and science
In popular culture, mathematics is often deemed inaccessible or esoteric.

Newborn Tropical Storm Phanfone triggers warnings in Northwestern Pacific
NASA's Aqua satellite passed over newborn Tropical Storm Phanfone on Sept.

How things coil
Columbia Engineering and Massachusetts Institute of Technology researchers have combined computer simulations designed for Hollywood with precision model experiments to examine the mechanics of coiling, discovering in particular that the natural curvature of the rod dramatically affects the coiling process.

Higher nurse-to-patient standard improves staff safety
A 2004 California law mandating specific nurse-to-patient staffing standards in acute care hospitals significantly lowered job-related injuries and illnesses for both registered nurses and licensed practical nurses, according to UC Davis research published online in the International Archives of Occupational and Environmental Health.

Genetic modifier affects colon tumor formation
Kristi Neufeld studies the adenomatous polyposis coli protein, which protects against colon cancer.

Who are the men and boys suffering from anorexia?
A new study by researchers from the University of Montreal reveals the current state of knowledge about anorexia in men and boys.

BUSM researchers identify brain changes involved in alcohol-related sleep disturbances
A review article published online in Behavioral Brain Research provides novel insight into changes that happen in the brain as a result of chronic alcohol exposure that can lead to disruptions in the sleep cycle.

Simulations reveal an unusual death for ancient stars
Certain primordial stars -- those 55,000 and 56,000 times the mass of our sun, or solar masses -- may have died unusually.

AAN: Risks of opioids outweigh benefits for headache, low back pain, other conditions
According to a new position statement from the American Academy of Neurology, the risk of death, overdose, addiction or serious side effects with prescription opioids outweigh the benefits in chronic, non-cancer conditions such as headache, fibromyalgia and chronic low back pain.

Self-compassion key to positive body image and coping
Women who accept and tolerate their imperfections appear to have a more positive body image despite their body mass index and are better able to handle personal disappointments and setbacks in their daily lives.

Healthy fats help diseased heart muscle process and use fuel
Oleate, a common dietary fat found in olive oil, restored proper metabolism of fuel in an animal model of heart failure.

How do lawyers matter? Study explores the question for low-income litigants
A study at the University of Wisconsin-Madison that was recently awarded a two-year $300,000 grant by the National Science Foundation is exploring questions confronting the legal profession in its effort to improve access to justice for low-income unrepresented civil litigants.

Studies report new findings on treatment options for mesothelioma
Treating patients with high-dose radiotherapy after chemotherapy and surgery for malignant pleural mesothelioma does not achieve improvements in local relapse and overall survival, according to data from a prospective randomized phase II trial presented at ESMO 2014 Congress in Madrid.

NASA sees Tropical Storm Kammuri winding down over open ocean
Tropical Storm Kammuri continues to appear more like a cold front on satellite imagery as it transitions into an extra-tropical storm over the Northwestern Pacific Ocean.

Montefiore and Einstein receive $3.4 million NIH grant for cancer clinical trials
Montefiore Einstein Center for Cancer Care and Albert Einstein College of Medicine of Yeshiva University have been awarded a $3.4M grant from the National Cancer Institute to conduct multi-site cancer clinical trials and research focused on reducing healthcare disparities in cancer care.

Research!America to honor leaders in medical and health research advocacy
Research!America's 19th annual Advocacy Awards will honor distinguished research advocates who are trailblazers in advancing medical progress to improve the health and economic security of our nation.

Recessions result in lower birth rates in the long run
While it is largely understood that birth rates plummet when unemployment rates soar, the long-term effects have never been clear.

Mymetics' HIV vaccine candidate obtains funding to begin study at Texas Biomed
Mymetics Corporation announced today that its HIV vaccine candidate will enter a new preclinical trial to confirm results obtained in a previous trial.

UNC researchers launch study of experiences and outcomes of women sexual assault survivors
A new study led by University of North Carolina School of Medicine researchers is the first large scale effort to longitudinally evaluate health outcomes after sexual assault.

Ancient human genome from southern Africa throws light on our origins
The skeleton of a man who lived 2,330 years ago in the southernmost tip of Africa tells us about ourselves as humans, and throws some light on our earliest common genetic ancestry.

Experts from CNIO discover shining cells responsible for developing tumors
Researchers from the Spanish National Cancer Research Centre have discovered and characterized a new specific marker for cancer stem cells: riboflavin, or vitamin B2, a pigment that emits green fluorescence as a result of its accumulation inside intracellular vesicles.

Brain & Behavior Research Foundation honors 8 scientists
The Brain & Behavior Research Foundation will honor eight scientists with its 2014 Outstanding Achievement Prizes for work delving into psychiatric disorders that affect one in four people.

Landmark Medicare law had little impact on reducing chemotherapy cost
Legislation passed in 2003 to slow the spiraling costs of drugs paid for by the federal government to treat Medicare patients has had no meaningful impact on cancer chemotherapy drug costs.

NASA's Aqua satellite sees Rachel before losing hurricane status
Tropical Storm Rachel strengthened into a hurricane over the weekend of Sept.

Transplant drug could boost the power of brain tumor treatments, U-M study finds
Every day, organ transplant patients around the world take a drug called rapamycin to keep their immune systems from rejecting their new kidneys and hearts.

An apple a day could keep obesity away
Scientists at Washington State University have concluded that nondigestible compounds in apples -- specifically, Granny Smith apples -- may help prevent disorders associated with obesity.

In-flight sensor tests a step toward Structural Health Monitoring for safer flights
Nine commercial aircraft flying regular routes are on the frontier of aviation safety, carrying sensors that monitor their structural health along with their routine maintenance.

Tooth serves as evidence of 220-million-year-old attack
At the beginning of the age of dinosaurs, gigantic reptiles -- distant relatives of modern crocodiles -- ruled the earth.

Yorkshire Cancer Research announces £5 million investment
Yorkshire Cancer Research will invest £5 million in research that will have a direct impact on cancer patients in Yorkshire, it has been announced today.

Dolphins are attracted to magnets
Dolphins are indeed sensitive to magnetic stimuli, as they behave differently when swimming near magnetized objects.

NIH awards 7 new vaccine adjuvant discovery contracts
The National Institute of Allergy and Infectious Diseases, part of the National Institutes of Health, has awarded seven research contracts to discover and characterize new adjuvants, or substances formulated as part of vaccines to enhance their protective ability.

Rising prevalence of sleep apnea in US threatens public health
Public health and safety are threatened by the increasing prevalence of obstructive sleep apnea, which now afflicts at least 25 million adults in the US, according to the National Healthy Sleep Awareness Project.

Half of global wildlife lost, says new WWF report
Between 1970 and 2010 populations of mammals, birds, reptiles, amphibians, and fish around the globe dropped 52 percent, says the 2014 Living Planet Report released today by World Wildlife Fund (WWF).

Single-neuron 'hub' orchestrates activity of an entire brain circuit
New Tel Aviv University research makes a major contribution to efforts to navigate the brain, offering a precise model of the organization of developing neuronal circuits.

Scripps Research Institute scientists shed light on cause of spastic paraplegia
Scientists at The Scripps Research Institute have discovered that a gene mutation linked to hereditary spastic paraplegia, a disabling neurological disorder, interferes with the normal breakdown of triglyceride fat molecules in the brain.

Liver gene therapy corrects heart symptoms in model of rare enzyme disorder
Researchers examined systemic delivery of a vector to replace the enzyme IDUA, which is deficient in patients with a rare enzyme deficiency disorder.

Designing infrastructure with resilience from disruptions and disasters
When infrastructure is resilient, it is able to bounce back after a disruption at an acceptable cost and speed.

Project to develop depression care for older adults
UC Davis and the University of Washington are implementing a project to develop innovative new models of care for depression in older adults through a $2.5 million grant from the California-based Archstone Foundation, a private grant-making organization whose mission is to contribute toward the preparation of society in meeting the needs of an aging population.

NASA support key to glacier mapping efforts
Thanks in part to support from NASA and the National Science Foundation, scientists have produced the first-ever detailed maps of bedrock beneath glaciers in Greenland and Antarctica.

Fires in Papua, Indonesia and New Guinea
According to a NASA story from 2009, 'human activities in this area of the world have contributed to the growing fire emissions issue.'

Greenland Ice Sheet more vulnerable to climate change than previously thought
A new study finds that the Greenland Ice Sheet, which covers 1.7 million square kilometers and contains enough ice to raise sea levels worldwide by seven meters, is less stable and more sensitive to climate change than previously thought.

Ocean acidification could lead to collapse of coral reefs
Hebrew University of Jerusalem and the Carnegie Institute of Science researchers have measured a roughly 40 percent reduction in the rate of calcium carbonate deposited in Australia's Great Barrier Reef in the last 35 years, likely caused by ocean acidification.

Glaciers in the Grand Canyon of Mars?
For decades, planetary geologists have speculated that glaciers might once have crept through Valles Marineris, the 2,000-mile-long chasm that constitutes the Grand Canyon of Mars.

A molecular mechanism involved in cellular proliferation characterized
Researchers from Guillermo Montoya's team at the Spanish National Cancer Research Centre, in collaboration with Isabelle Vernos' Group from the CRG, have uncovered the molecular interaction between TACC3 and chTOG, key proteins in forming the internal cellular framework that enables and sustains cell division.

NASA-funded rocket has 6 minutes to study solar heating
On Sept. 30, 2014, a sounding rocket will fly up into the sky -- past Earth's atmosphere that obscures certain wavelengths of light from the sun -- for a 15-minute journey to study what heats up the sun's atmosphere.

DNA signature found in ice storm babies
The number of days an expectant mother was deprived of electricity during Quebec's Ice Storm in 1998 predicts the epigenetic profile of her child, a new study finds.

Investigating the 'underground' habitat of Listeria bacteria
In low amounts, Listeria bacteria are present almost everywhere, including soil and water.

MaxBin: Automated sorting through metagenomes
MaxBin is an automated software program for binning the genomes of individual microbial species from metagenomic sequences developed at the Joint BioEnergy Institute.

Plants prepackage beneficial microbes in their seeds
Plants have a symbiotic relationship with certain bacteria. These 'commensal' bacteria help the pants extract nutrients and defend against invaders -- an important step in preventing pathogens from contaminating fruits and vegetables.

Use of broad-spectrum antibiotics before age 2 associated with obesity risk
The use of broad-spectrum antibiotics by children before the age of 24 months was associated with increased risk of obesity in early childhood.

Childhood asthma linked to lack of ventilation for gas stoves, OSU study shows
Parents with children at home should use ventilation when cooking with a gas stove, researchers from Oregon State University are recommending, after a new study showed an association between gas kitchen stove ventilation and asthma, asthma symptoms and chronic bronchitis.

New method to motivate students to reduce energy consumption
Research from the University of Kent has found energy consumption can be reduced significantly by students if they can see the amount of energy they are using in real-time and are motivated by their peers to save energy.

Feeling fatigued while driving? Don't reach for your iPod
Research has shown that drinking caffeinated beverages and listening to music are two popular fatigue-fighting measures that drivers take, but very few studies have tested the usefulness of those measures.

Research suggests new strategies for killing TB bacterium
Researchers from Brown and MIT have shown new details about how a promising new class of antibiotics attacks the bacterium that causes tuberculosis.

Climate change appears a mixed bag for a common frog
After warmer winters, wood frogs breed earlier and produce fewer eggs, a Case Western Reserve University researcher has found.

Scientists identify the signature of aging in the brain
Weizmann Institute researchers professor Michal Schwartz and Dr. Ido Amit have found evidence of a unique 'signature' that may be the 'missing link' between cognitive decline and aging.

Growers Nation brings citizen science to the farm
A new app designed at IIASA makes agricultural data available for gardeners and smallholder farmers around the world, and allows users to share information and inform future research.

University of Alberta researchers explain 38-year-old mystery of the heart
In a new study published in Proceedings of the National Academy of Sciences USA, researchers at the University of Alberta's Faculty of Medicine & Dentistry have explained how the function of a key protein in the heart changes in heart failure.

Cause of California drought linked to climate change
The atmospheric conditions associated with the unprecedented drought in California are very likely linked to human-caused climate change, researchers report.

Adding uncertainty to improve mathematical models
Mathematicians from Brown University have introduced a new element of uncertainty into an equation used to describe the behavior of fluid flows.

Wayne State research aims to develop new, more efficient catalytic materials
In order to support the world's needs to make cheaper and more effective fuels, chemicals, polymers and more, new and more efficient catalytic materials and processes must be developed.

Decision to reintroduce aprotinin in cardiac surgery may put patients at risk
Cardiac surgery patients may be at risk because of the decision by Health Canada and the European Medicines Agency to reintroduce the use of aprotinin after its withdrawal from the worldwide market in 2007, assert the authors of a previous major trial that found a substantially increased risk of death associated with the drug.

Modeling shockwaves through the brain
A new scaling law helps estimate humans' risk of blast-induced traumatic brain injury.

New data on combination treatments for melanoma
Combination therapy with both BRAF inhibitor vemurafenib and MEK inhibitor cobimetinib achieves greater progression-free survival and response rates than vemurafenib plus placebo in BRAF-mutation positive melanoma, according to phase III data presented at the ESMO 2014 Congress in Madrid, Spain.

Chemical interactions between silver nanoparticles and thiols: A comparison of mercaptohexanol again
The interaction between citrate capped silver nanoparticles and two different thiols, mercaptohexanol and cysteine, was investigated.

Climate detectives reveal handprint of human caused climate change in Australia
Australia's hottest year on record in 2013 along with the accompanying droughts, heat waves and record-breaking seasons of that year was virtually impossible without the influence of human-caused global warming.

Genomic data could help doctors know whether to prescribe statins
Genomic data could predict whether statins will benefit a patient or not, according to an article in the open access journal Genome Biology.

Study holds hope of a treatment for deadly genetic disease, MPS IIIB
Researchers report they may have found a way to replace the missing enzyme that causes progressive damage to the brain in people with MPSIIIB.

NASA ocean data shows 'climate dance' of plankton
The greens and blues of the ocean color from NASA satellite data have provided new insights into how climate and ecosystem processes affect the growth cycles of phytoplankton -- microscopic aquatic plants important for fish populations and Earth's carbon cycle.

Annals of Internal Medicine tip sheet for Sept. 30, 2014
This is the Annals of Internal Medicine tip sheet for Sept.

Nivolumab shows signs of superior response rate compared to standard chemo in advanced melanoma
The monoclonal antibody nivolumab achieves superior response rates and a longer duration of response than standard chemotherapy in patients whose melanoma has progressed after treatment with ipilimumab, according to phase III data presented at the ESMO 2014 Congress in Madrid, Spain.

Drug for kidney injury after cardiac surgery does not reduce need for dialysis
Among patients with acute kidney injury after cardiac surgery, infusion with the antihypertensive agent fenoldopam, compared with placebo, did not reduce the need for renal replacement therapy -- dialysis -- or risk of death at 30 days, but was associated with an increased rate of abnormally low blood pressure, according to a study published in JAMA.

Dr. Rodrigo Guerrero wins Roux Prize for using data
Dr. Rodrigo Guerrero, a Harvard-trained epidemiologist and mayor of Cali, Colombia, is the first winner of the Roux Prize, a new US$100,000 award and the largest of its kind.

Hand size appears to stay constant, providing natural 'ruler'
People tend to perceive their dominant hand as staying relatively the same size even when it's magnified, lending support to the idea that we use our hand as a constant perceptual 'ruler' to measure the world around us.

Treatments to slow aging and stymie chronic disease in older adults on the horizon
The founder of the nonprofit Alliance for Aging Research Dan Perry predicts chronic health problems of older adults will be treated in the near future by medical treatments that slow aging itself, and offered remarks on this topic at the MipTec Conference on health-care innovation, a major gathering of pharmaceutical executives in Basel, Switzerland, on Sept.

UCSF funded to provide PrEP consultations for clinicians
'Many of the clinicians prescribing PrEP will have had limited experience prescribing antiretroviral drugs.

Tree killers, yes, fire starters, no: Mountain pine beetles get a bad rap, study says
New research led by the University of Wisconsin-Madison and the Washington State Department of Natural Resources provides some of the first rigorous field data to test whether fires that burn in areas impacted by mountain pine beetles are more ecologically severe than in those not attacked by the native bug.

Scientists make droplets move on their own
Droplets are simple spheres of fluid, not normally considered capable of doing anything on their own.

Study reveals new clues to help understand brain stimulation
A new study from Beth Israel Deaconess Medical Center suggests that brain networks -- the interconnected pathways that link brain circuits to one another -- can help guide site selection for brain stimulation therapies.

Virginia Tech awarded $1.7 million to study social networking for addiction recovery
Researchers will study how social media interactions could foster support for people recovering from alcohol, opiate, or stimulant addictions.

UT Arlington researchers develop new transparent nanoscintillators for radiation detection
US Department of Homeland Security-funded researchers in Texas have identified radiation detection properties in a light-emitting nanostructure made in a new way from two of the least expensive rare earth elements.

Human trafficking, an invisible problem
Human trafficking is a problem about which little is known in Spain, due to both the lack of reliable figures as well as the poor coordination among international police forces and the social permissiveness with regard to certain behavior related to the sex trade.

Higher gun ownership rates linked to increase in non-stranger homicide, BU study finds
A new study led by a Boston University School of Public Health researcher has found that states with higher estimated rates of gun ownership experience a higher incidence of non-stranger firearms homicides -- disputing the claim that gun ownership deters violent crime, its authors say.

Avoid skunky beer this Oktoberfest with the help of chemistry
Oktoberfest is here, and that means beer. And there's nothing worse than reaching for a cold one, taking that first sip and realizing your beer's been skunked: chemicals have reacted to form compounds that cause an awful, bitter taste.

A safer approach for diagnostic medical imaging
A collaborative effort between EPFL, CNRS, ENS Lyon, CPE Lyon and ETH Zürich has led to the development of a novel approach that can considerably improve the capabilities of medical imaging with safer procedures for the patient.

2013 Colorado front range flood: Debris-flow a major hazard
Massive flooding in Colorado in September 2013, and the concomitant landslides and debris flows, caused widespread damage across the Front Range.

Chefs move to schools can increase school meal participation and vegetable intake among students
Gourmet pizza in school? According to a new Food and Brand Lab pilot study, published in Appetite, chef-made meals can increase participation in the National School Lunch Program by 9 percent and overall selection and consumption of vegetables by 16 percent.

A 'frenemy' in Parkinson's disease takes to crowdsourcing
Researchers have found that a key neuronal protein called alpha-synuclein normally gathers in synapses, where aggregates of it help regulate neurotransmissions.

Good working relationships between clients, bankers can reduce defaults
A study shows banks that have good working relationships with their customers reduce loan defaults.

Causes of California drought linked to climate change
The extreme atmospheric conditions associated with California's crippling drought are far more likely to occur under today's global warming conditions than in the climate that existed before humans emitted large amounts of greenhouse gases, Stanford scientists say.

Patrick F. Sullivan, M.D., awarded 2014 Lieber Prize
Patrick F. Sullivan, M.D., FRANZCP, M. Hayworth & Family Distinguished Professor of Psychiatry and Professor of Genetics and Psychiatry at the University of North Carolina School of Medicine, is one of two researchers awarded the 2014 Lieber Prize for Outstanding Achievement in Schizophrenia Research.

Study finds information lacking from FDA on implanted medical devices
Information is lacking on most implanted medical devices cleared by the US Food and Drug Administration despite a legal requirement that companies submit scientific evidence about the devices' substantial equivalence to other devices already on the market.

Viral infection might just be a phase... transition
Many double-stranded DNA viruses infect cells by ejecting their genetic information into a host cell.

De Gruyter Open converts 8 subscription journals to open-access megajournals
Eight subscription journals, published hitherto in a joint venture by De Gruyter Open and Springer become fully open access from the volume 2015.

Sweat-eating bacteria may improve skin health
Bacteria that metabolize ammonia, a major component of sweat, may improve skin health and some day could be used for the treatment of skin disorders, such as acne or chronic wounds.

Cells from placentas safe for patients with multiple sclerosis
Patients with multiple sclerosis were able to safely tolerate treatment with cells cultured from human placental tissue, according to a study published today in the journal Multiple Sclerosis and Related Disorders.

Nitrogen fingerprint in biomolecules could be from early sun
The pattern of nitrogen in biomolecules like proteins, which differ greatly from that seen in other parts of the solar system, could have been generated by the interactions of light from the early sun with nitrogen gas in the nebula, long before Earth formed.

New ways to treat anemia could evolve from acetate supplement research
UT Southwestern Medical Center researchers seeking novel treatments for anemia found that giving acetate, the major component of household vinegar, to anemic mice stimulated the formation of new red blood cells.

New way to detox? 'Gold of Pleasure' oilseed boosts liver detoxification enzymes
University of Illinois scientists have found compounds that boost liver detoxification enzymes nearly fivefold, and they've found them in a pretty unlikely place -- the crushed seeds left after oil extraction from an oilseed crop used in jet fuel.

Deceptive-looking vortex line in superfluid led to twice-mistaken identity
So long, solitons: University of Chicago physicists have shown that a group of scientists were incorrect when they concluded that a mysterious effect found in superfluids indicated the presence of solitons -- exotic, solitary waves.

Predicting landslides with light
A team of researchers in Italy are expanding the reach of optical fiber sensors 'to the hills' by embedding them in shallow trenches within slopes to detect and monitor both large landslides and slow slope movements.

Colombian president honors WCS president and CEO Dr. Cristián Samper
Colombian president Juan Manuel Santos has presented Dr. Cristián Samper, president and CEO of the Wildlife Conservation Society, with the prestigious Order of San Carlos.

Targeted combination therapy halts disease, extends life in advanced melanoma patients
A world-first study in today's New England Journal of Medicine heralds the efficacy of a targeted combination drug therapy after reporting major declines in the risk of disease progression and death in people with metastatic melanoma.

Trial shows trastuzumab should remain as standard of care for HER2-positive breast cancer
Analysis of more than 8,000 women who participated in the world's largest study of two treatments for HER2-positive breast cancer reinforces other findings from the clinical trial showing that trastuzumab, also known as Herceptin, should remain the standard of care for this cancer, says a Mayo Clinic researcher.

'Deadly diarrhea' rates nearly doubled in 10 years: Study
Infections with the intestinal superbug C. difficile nearly doubled from 2001 to 2010 in US hospitals without noticeable improvement in patient mortality rates or hospital lengths of stay, according to a study of 2.2 million C. difficile infection cases published in the October issue of the American Journal of Infection Control, the official publication of the Association for Professionals in Infection Control and Epidemiology.
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