Brightsurf Science News & Current Events

June 10, 2013
With new $1.7 million grant, U-M, Johns Hopkins researchers will develop dementia treatment tool
With the help of a $1.7-million grant from the National Institutes of Health (National Institute of Nursing Research), researchers from the University of Michigan and Johns Hopkins University will design an easy-to-use, web-based tool that helps caregivers track, understand and treat the behavioral symptoms of dementia.

PET/MR effective for imaging recurrent prostate cancer
A relatively new imaging system that simultaneously combines positron emission tomography and magnetic resonance demonstrates a higher capacity for mapping recurrent prostate cancer than the already high standard of integrated PET and computed tomography, say researchers presenting a study at the Society of Nuclear Medicine and Molecular Imaging's 2013 Annual Meeting.

World Stem Cell Summit to be presented by Genetics Policy Institute, Mary Ann Liebert, Inc., and Genetic Engineering & Biotechnology News
The Genetics Policy Institute and Mary Ann Liebert, Inc., publishers have announced that the 2013 World Stem Cell Report will be published as a special supplement to the peer-reviewed journal Stem Cells and Development.

People are overly confident in their own knowledge, despite errors
Overprecision -- excessive confidence in the accuracy of our beliefs -- can have profound consequences, inflating investors' valuation of their investments, leading physicians to gravitate too quickly to a diagnosis, even making people intolerant of dissenting views.

Screening at-risk adolescents for celiac disease proves cost-effective
The current standard practice of screening adolescents who are either symptomatic or at high-risk for celiac disease proves to be more cost-effective than universal screening.

Mysterious monument found beneath the Sea of Galilee
Prof. Shmulik Marco of Tel Aviv University and his fellow researchers have discovered a mysterious monument beneath the waves of the Sea of Galilee.

Biotech crops vs. pests: Successes and failures from the first billion acres
Experts at the UA's College of Agriculture and Life Sciences have published a landmark study analyzing why pest resistance to genetically modified crops evolved quickly in some cases, but not others.

DNA-altering enzyme is essential for blood cell development
In this issue of the Journal of Clinical Investigation, Scott Hiebert and colleagues at Vanderbilt University examined the role of HDAC3 in the development of blood cells by disrupting its expression in mice.

Simple theory may explain mysterious dark matter
The reason dark matter, which makes up 85 percent of all the matter in the universe, is invisible could be because it possesses a rare, donut-shaped type of electromagnetism instead of the more exotic forces that have been proposed, according to an analysis of a pair of Vanderbilt theoretic physicists.

Medicare beneficiaries substantially more likely to use brand-name drugs than VA patients
Medicare beneficiaries with diabetes are two to three times more likely to use expensive brand-name drugs than a comparable group of patients treated within the VA Healthcare System, according to a nationwide study by researchers from the University of Pittsburgh, VA Pittsburgh Healthcare System and Dartmouth College.

Internists express support for goals of E&C Committee legislative proposal to repeal SGR
American College of Physicians today sent a letter to the Energy and Commerce Committee providing feedback on legislative language that the committee released on May 28, meant to repeal the Sustainable Growth Rate formula used for calculating Medicare payments to physicians and replace it with a fair and stable system.

First international collaboration to showcase latest body of evidence of dairy health benefits
Eight dairy organizations from around the world are joining efforts to demonstrate the tangible nutritional benefits of dairy at a symposium on

Treatment of mental illness lowers arrest rates, saves money
Research from North Carolina State University, the Research Triangle Institute and the University of South Florida shows that outpatient treatment of mental illness significantly reduces arrest rates for people with mental health problems and saves taxpayers money.

How does inbreeding avoidance evolve in plants?
Evolutionary biologists have often argued that once complex traits are lost, they are seldom regained.

New study finds females play active, pivotal role in postcopulatory processes
Females play a larger role in determining paternity than previously thought, say biologists in Syracuse University's College of Arts and Sciences.

Early exposure to bisphenol A might damage the enamel of teeth
Are teeth the latest victims of bisphenol A? Yes, according to the conclusions of work carried out by the research team led by Ariane Berdal of the Université Paris-Diderot and Sylvie Babajko, Research Director at Inserm Unit 872

Women can be screened years later than men with 'virtual colonoscopy'
A new study has found that women can be screened for colorectal cancer at least five to 10 years later than men when undergoing an initial

Testing artificial photosynthesis
Berkeley Lab researchers, working at the Joint Center for Artificial Photosynthesis, have developed the first fully integrated microfluidic test-bed for evaluating and optimizing solar-driven electrochemical energy conversion systems.

New Loyola study on hepatitis C virus entry factor
A new study completed by researchers at Loyola University Chicago Stritch School of Medicine reveals that HCV not only alters expression of the iron-uptake receptor known as transferrin receptor 1 (TfR1), but that TfR1 also mediates HCV entry.

A rather complex complex: Brain scans reveal internal conflict during Jung's word association test
Over 100 years ago psychologist Carl Gustav Jung penned his theory of 'complexes' where he explained how unconscious psychological issues can be triggered by people, events, or Jung believed, through word association tests.

Breast cancer: PET and MR predict chemotherapy's ability to prolong life
For patients with advanced breast cancer, positron emission tomography and magnetic resonance imaging can improve quality of life and survival by providing physicians with information on the effectiveness of chemotherapy prior to surgery, say researchers presenting at the 2013 Annual Meeting of the Society of Nuclear Medicine and Molecular Imaging.

Based on earlier successes, NIH awards new study in cancer research to Virginia Tech's Chang Lu
Preliminary results showing an ultrahigh sensitivity using a new technology for studying protein-DNA interactions has led to the National Institutes of Health's National Cancer Initiative award of $710,000 to Virginia Tech's Chang Lu of chemical engineering.

Intervention needed to reduce lifelong effects associated with childhood neglect and emotional abuse
Preschool children who have been neglected or emotionally abused exhibit a range of emotional and behavioral difficulties and adverse mother-child interactions that indicate these children require prompt evaluation and interventions, according to a systematic review by Aideen Mary Naughton, M.B., B.Ch., B.A.O., D.C.H., F.R.C.P.C.H., of Public Health Wales, Pontypool, England, and colleagues.

Transplant patient outcomes after trauma better than expected
In the largest study of its kind, physicians from the Department of Surgery at the University of Maryland School of Medicine and the R Adams Cowley Shock Trauma Center at the University of Maryland Medical Center have determined that outcomes for traumatic injury in patients with organ transplants are not worse than for non-transplanted patients, despite common presumptions among physicians.

Hairpin turn: Micro-RNA plays role in wood formation
Scientists at North Carolina State University have found the first example of how micro-RNA controls wood formation in plant cells and have mapped out key relationships that control the process.

Frequent binge drinking is associated with insomnia symptoms in older adults
A new study suggests that frequent binge drinking is associated with insomnia symptoms in older adults.

Crystal Clear: Real-time 3-D motion tracking optimizes PET/MR scans
An MR technology has been designed for PET/MR that employs tiny radiofrequency solenoids--metal coils integrated into hardware placed on the body--to track motion from those who do not or cannot stay put.

Biodegradable implant may lessen side effects of radiation to treat prostate cancer
Several years ago, VCU Massey Cancer Center became the first center in the US to test an Israeli-invented device designed to increase the space between the prostate and the rectum in prostate cancer patients undergoing radiation therapy.

7 new GSA Bulletin articles posted online ahead of print
New GSA BULLETIN articles posted online ahead of print on June 7 cover granite, granitoids, and kimberlite; Garwood Valley Antarctica; Death Valley, California, USA; Esan Volcanic Complex, Japan; and Little Lake, California, USA.

Kessler Foundation awarded more than $500,000 in grants by NJ Commission on Brain Injury Research
Two neuroscientists at Kessler Foundation received grants from the New Jersey Commission on Brain Injury Research.

Molecular imaging finds hurdle for smokers' vaccine
Researchers have yet again been sent back to the drawing board in the development of the much-sought-after vaccination for smokers, which would hypothetically inhibit the action of nicotine and its pleasure-producing chemical response in the brain.

Molecular imaging improves care for children with brain cancer
A relatively new weapon in the fight against childhood brain cancer has emerged that improves upon standard magnetic resonance imaging by providing information about tumor metabolism and extent of cancer in children diagnosed with glioma, a growth caused by the abnormal division of glial cells in the brain, say researchers at the Society of Nuclear Medicine and Molecular Imaging's 2013 Annual Meeting.

Annals of Internal Medicine tip sheet for June 11, 2013, issue
This news release contains information about articles being published in the June 11 issue of Annals of Internal Medicine.

CT scans -- with radiation and cancer risk -- rose in children
Use of computed tomography scans -- and thus exposure to ionizing radiation -- increased over 15 years in children at a set of nonprofit health care delivery systems in a new study.

UCI scientists size up universe's most lightweight dwarf galaxy
The least massive galaxy in the known universe has been measured by UC Irvine scientists, clocking in at just 1,000 or so stars with a bit of dark matter holding them together.

Epigenetic factor likely plays a key role in fueling most common childhood cancer
Changes in an epigenetic mechanism that turns expression of genes on and off may be as important as genetic alterations in causing pediatric acute lymphoblastic leukemia, according to a study led by scientists at St.

Last-line antibiotics increasingly ineffective against gonorrhea, but prescribing changes could help delay spread of untreatable disease
The last remaining antibiotics used to treat gonorrhea (cefixime and ceftriaxone) in England and Wales are becoming less effective.

Pendulum swings back on 350-year-old mathematical mystery
A 350-year-old mathematical mystery could lead toward a better understanding of medical conditions like epilepsy or even the behavior of predator-prey systems in the wild, University of Pittsburgh researchers report.

African starlings: Dashing darlings of the bird world in more ways than 1
It's not going to happen while you're peering through your binoculars, but African glossy starlings change color more than 10 times faster than their ancestors and even their modern relatives, say researchers at The University of Akron and Columbia University.

Effect of policies by school districts, states on items sold outside the school meal program
The association between district and state policies or legal requirements regarding competitive food and beverages (food and beverages sold outside the school meal program) and public elementary school availability of foods and beverages high in fats, sugars, or sodium was examined in a study Jamie F.

A potential new target to thwart antibiotic resistance
Bacteria in the gut that are under attack by antibiotics have allies no one had anticipated, a team of Wyss Institute scientists has found.

Dual agent scan differentiates diabetic foot disorders
Researchers are kick-starting better diabetic foot care and promoting reduced radiation dose with a new take on a hybrid molecular imaging technique.

2-D electronics take a step forward
Scientists at Rice and Oak Ridge National Laboratory create single-layer films of molybdenum disulfide, a semiconductor and an important component in the development of two-dimensional electronics.

The diabetes 'breathalyzer'
Chemists at the University of Pittsburgh have demonstrated a sensor technology that could significantly simplify the diagnosis and monitoring of diabetes through breath analysis alone.

Unclogging heart arteries through wrist becoming more common
Opening clogged heart arteries via the radial artery in the wrist is becoming more common.

Transcendental Meditation positively impacts student graduation rates, new research shows
High school graduation rates remain low with racial and ethnic gaps adding to the decline.

Pre-Alzheimer's: Metabolic disorder found in cognitively normal patients
Alzheimer's disease has been linked in many studies to amyloid plaque buildup in the brain, but new research is finding a common thread between amyloid burden and lower energy levels, or metabolism, of neurons in certain areas of the brain associated with Alzheimer's disease -- even for people with no sign of cognitive decline.

Metabolic PET imaging provides earlier warning of coronary disease
Coronary artery disease is one of the world's most prevalent and silent killers.

MIT and Wilson Center receive NSF grant to develop synthetic biology research agenda
The MIT Center for International Studies and the Woodrow Wilson International Center for Scholars are collaborating on a $233,000 grant from the National Science Foundation to help realize potential benefits and address potential ecological effects of synthetic biology.

Software toolkit shapes models for personalized radionuclide therapy
Technology providing a means of patient-specific radionuclide drug therapies has not been standardized, as it has been limited to software that requires oncologists to manually define the areas of tumors.

Discovery may lead to new treatments for jaundice
Helping to protect newborns and older patients against more severe effects of jaundice is the hope of University of Guelph researchers, who have shown how a liver enzyme protects cells from damage caused by the condition.

JCI early table of contents for June 10, 2013
This release contains summaries, links to PDFs, and contact information for the following newsworthy papers to be published online, June 10, 2013, in the JCI: DNA altering enzyme is essential for blood development; Understanding the molecular mechanisms underlying Alzheimer's disease; and many more.

Molecular imaging enlists prostate enzyme to detect metastases
No matter where they have hidden, metastatic prostate cancer cells still express some of the same signaling as normal prostate cells; in some cases even more so, as with the PSMA enzyme.

Radioimmunotherapy could extend lives of advanced lymphoma patients
A new patient protocol for aggressive and recurrent lymphoma that combines intensive chemotherapy and radioimmunotherapy may become the most powerful cancer-killing therapy available, with the hope that patients' lymphoma can be eradicated as they prepare for bone marrow transplant, say researchers at the 2013 Annual Meeting of the Society of Nuclear Medicine and Molecular Imaging.

Women with severe morning sickness who take antihistamines more likely to experience bad outcomes
Women with a severe form of morning sickness who take antihistamines to help them sleep through their debilitating nausea are significantly more likely to experience adverse pregnancy outcomes.

Reputation can trump money
Using enrollment in a California blackout prevention program as an experimental test bed, a team of researchers showed that while financial incentives boosted participation only slightly, making participation in the program observable -- through the use of sign-up sheets posted in apartment buildings-- produced a three-fold increase in sign-ups.

NASA sees Tropical Storm Yagi spinning in Western Pacific Ocean
Tropical Storm Yagi developed over the weekend of June 8 and 9 in the Western North Pacific from Tropical Depression 03W and NASA satellites captured the storm coming together.

The body electric: Researchers move closer to low-cost, implantable electronics
New technology under development at The Ohio State University is paving the way for low-cost electronic devices that work in direct contact with living tissue inside the body.

From hot springs to HIV, same protein complexes are hijacked to promote viruses
Biologists from Indiana University and Montana State University have discovered a striking connection between viruses such as HIV and Ebola and viruses that infect organisms called archaea that grow in volcanic hot springs.

Dose analysis predicts non-Hodgkin lymphoma survival
Outcomes can be bleak for non-Hodgkin lymphoma, a cancer that develops in the white blood cells of the immune system.

The dance of the atoms
Taking pictures of individual atoms allows scientists at the Vienna University of Technology to find out how catalysts behave and how atoms on a surface tend to ball together.

High rate of ventilator-associated pneumonia found in small community hospitals
New research on the prevalence of ventilator-associated pneumonia (VAP) in community hospitals shows small hospitals have a higher rate of VAP than their larger counterparts, despite less use of ventilators.

Survivors of intimate partner violence not getting adequate mental health services
Although many abused women suffer from post-traumatic stress disorder and/or depression, they are not receiving needed mental health services, a University of Missouri researcher found.

Shape of nanoparticles points the way toward more targeted drugs
A new study involving Sanford-Burnham's Erkki Ruoslahti, M.D., Ph.D., contributing to work by Samir Mitragotri, Ph.D., at the University of California, Santa Barbara, found that the shape of nanoparticles can enhance drug targeting.

High sugar intake linked to low dopamine release in insulin resistant patients
Researchers have identified a sweet spot that operates in a disorderly way when simple sugars are introduced to people with insulin resistance, a precursor to type 2 diabetes.

Do antidepressants impair the ability to extinguish fear?
An interesting new report of animal research published in Biological Psychiatry suggests that common antidepressant medications may impair a form of learning that is important clinically.

Epigenetic changes mediated by homocysteine levels in plasma may point to schizophrenia
Researchers from the University of Tokushima in Japan have published in the June issue of Epigenetics a study that suggests that homocysteine (one of the building blocks of proteins) plays a role in the pathogenesis of schizophrenia via an epigenetic mechanism that controls the expression of genes.

Potentially 'catastrophic' changes underway in Canada's northern Mackenzie River Basin: report
Canada's Mackenzie River basin -- among the world's most important major ecosystems -- is poorly studied, inadequately monitored, and at serious risk due to climate change and resource exploitation, a panel of international scientists warn.

Pollinators easily enhanced by flowering agri-environment schemes
A new analysis of 71 published studies shows that European agri-environment schemes enhance wild pollinators on farmland.

When will my computer understand me?
For more than 50 years, linguists and computer scientists have tried to get computers to understand human language by programming semantics as software, with mixed results.

Designated drivers don't always abstain, UF study finds
Maybe better call that cab, after all: a new University of Florida study found that 35 percent of designated drivers had quaffed alcohol and most had blood-alcohol levels high enough to impair their driving.

How cells get a skeleton
The mechanism responsible for generating part of the skeletal support for the membrane in animal cells is not clearly understood.

Suicide risk factors mapped
A landmark study of the Swedish population has given a clearer picture of important risk factors for suicide.

Amount of dust blown across the West is increasing, says CU-Boulder study
The amount of dust being blown across the landscape has increased over the last 17 years in large swaths of the West, according to a new study led by the University of Colorado Boulder.

Study reveals leakage of carbon from land to rivers, lakes, estuaries and coastal regions
When carbon is emitted by human activities into the atmosphere it is generally thought that about half remains in the atmosphere and the remainder is stored in the oceans and on land.

SPECT/MR molecular imaging system makes its debut
The Society of Nuclear Medicine and Molecular Imaging's 2013 Annual Meetingmarks the unveiling of the successful application of a new preclinical hybrid molecular imaging system -- single photon emission tomography and magnetic resonance -- which has exceptional molecular imaging capabilities in terms of potential preclinical and clinical applications, technological advancement at a lower cost, and reduction of patient exposure to ionizing radiation.

World's first large(wafer)-scale production of III-V semiconductor nanowire
Researchers from Ulsan National Institute of Science and Technology, South Korea, and University of Illinois, USA, developed the large-scale heteroepitaxial growth III-V nanowires on a Si wafer.

Research shows river dredging reduced fish numbers, diversity
Comparing dredged and undredged sections of the Allegheny River, reduced populations of fish and less variety of aquatic life occurred in areas where gravel extraction took place, according to researchers in Penn State's College of Agricultural Sciences,.

Whitebark pine trees: Is their future at risk?
There's trouble ahead for the whitebark pine, a mountain tree that's integral to wildlife and water resources in the western United States and Canada.

Nearly a fifth of designated drivers are impaired
They may volunteer to be the one to get their friends home safely, but

EPFL presents a modular aircraft at Paris Air Show
The Clip-Air project envisions an airplane consisting of a single flying wing onto which capsules carrying passengers or freight can be attached.

Eww! Only 5 percent of us wash hands correctly
A new study by Michigan State University researchers found that only 5 percent of people who used the bathroom washed their hands long enough to kill the germs that can cause infections.

Reduced brain volume in kids with low birth-weight tied to academic struggles
An analysis of recent data from magnetic resonance imaging of 97 adolescents who were part of study begun with very low birth weight babies born in 1982-1986 in a Cleveland neonatal intensive care unit has tied smaller brain volumes to poor academic achievement.

Ames Laboratory scientists discover new family of quasicrystals
Scientists at the U.S. Department of Energy's Ames Laboratory have discovered a new family of rare-earth quasicrystals using an algorithm they developed to help pinpoint them.

Brandeis scientist wins 2013 Gruber Foundation Neuroscience Prize
The Gruber Foundation today awarded its 2013 neuroscience prize to Eve Marder, a pioneering researcher at Brandeis University who has dedicated her career to understanding the nervous system's basic functions.

China is outsourcing carbon within its own borders, UCI and others find
Just as wealthy nations like the United States are outsourcing their dangerous carbon dioxide emissions to China, rich coastal provinces in that country are outsourcing emissions to poorer provinces in the interior, according to UC Irvine climate change researcher Steve Davis and colleagues.

American Chemical Society's highest honor goes to Stephen J. Lippard, Ph.D.
Stephen J. Lippard, Ph.D., Arthur Amos Noyes Professor of Chemistry at the Massachusetts Institute of Technology and associate editor of the Journal of the American Chemical Society, will receive the 2014 Priestley Medal from the American Chemical Society.

UMD scientists publish key findings on regional, global impact of trade on the environment
In two different studies, three researchers from the University of Maryland's Department of Geographical Sciences publish groundbreaking findings on the environmental impact of globalization, production and trade at both regional and international scales, and anticipate that their research will inform key environmental policies and consumer and corporate attitudes in the United States and around the world.

Experts find epigenetic changes moderate reality distortion in schizophrenia patients
A study in Schizophrenia Bulletin is among the first to indicate epigenetic changes related to immune function in schizophrenia.

Catching individual molecules in a million with optical antennas inside nano-boxes
Detecting one individual biomolecule amongst millions of other neighboring molecules has been technically impossible until now.

Hormonal treatment for endometrial cancer does not directly target the malignant cells
Rogesterone, a female hormone that can be used as a therapy for endometrial cancer, eliminates tumor cells indirectly by binding to its receptor in connective tissue cells residing in the tumor microenvironment.

The secret life of knots
The scientific journal Macromolecules dedicates the cover of this month's issue (available online from June 11th) to a research coordinated by Cristian Micheletti of the International School for Advanced Studies (SISSA).

Association between hypoglycemia, dementia in older adults with diabetes
A study of older adults with diabetes mellitus suggests a bidirectional association between hypoglycemic (low blood glucose) events and dementia, according to a report published Online First by JAMA Internal Medicine, a JAMA Network publication.

To cut China's CO2 emissions, account for outsourcing
In order to reach targets for CO2 emissions, China should count CO2 emissions where products are consumed, not simply where they are produced, say IIASA researchers.

Weapons testing data determines brain makes new neurons into adulthood
Using data derived from nuclear weapons testing of the 1950s and '60s, Lawrence Livermore scientists have found that a small portion of the human brain involved in memory makes new neurons well into adulthood.

British butterfly desperate for warm weather this summer
Butterflies are extremely sensitive to changes in temperature and new research has revealed that when summer weather turns bad the silver-spotted skipper battles for survival.

Partial livers from deceased donors saving the lives of infants
New research reveals that transplantation of partial livers from deceased adult and teen donors has become less risky for infants and young children, helping to save these young lives.

Bridge species drive tropical engine of biodiversity
Although scientists have known since the middle of the 19th century that the tropics are teeming with species while the poles harbor relatively few, the origin of the most dramatic and pervasive biodiversity on Earth has never been clear.

NASA animation sees Post-Tropical Storm Andrea speed away
Post-Tropical cyclone Andrea's remnants sped into the North Atlantic Ocean over the weekend of June 8 and 9.

To germinate, or not to germinate, that is the question...
Scientists at the University of York have uncovered new insights into the way seeds use gene networks to control when they germinate in response to environmental signals.

New study proposes solution to long-running debate as to how stable the Earth system is
Researchers at the University of Southampton have proposed an answer to the long-running debate as to how stable the Earth system is.

Substances from African medicinal plants could help stop tumor growth
African medicinal plants contain chemicals that may be able to stop the spread of cancer cells.

Study finds obese mothers program their kids to be fat, but legacy can be overturned
Scientists in Sydney, Australia, have discovered that obesity and type 2 diabetes in pregnancy can program children to develop metabolic problems later in life.

Flowering at the right age
Alpine rock cress uses a ribonucleic acid to measure its age and tell when it's the right time to flower.

Cost-effective: Universal HIV testing in India
A new study using a sophisticated statistical model, projects that providing universal HIV testing for India's billion-plus population every five years would prove to be a cost-effective approach to managing the epidemic, even with more intensive testing for high-risk groups.

Split liver transplants for young children proven to be as safe as whole organ transplantation
A new study shows that when a liver from a deceased adult or adolescent donor is split into two separate portions for transplantation--with the smaller portion going to a young child and the larger to an adult--the smaller portion used for the child will last just as long as if the child had received a whole organ from a donor close to his size.

Heart: Cardiac PET/MR measures up to PET/CT
Just a few years ago, integrated positron emission tomography and magnetic resonance (PET/MR) imaging was found only in research institutes, but little by little the technology has expanded into clinical practice.

How Archaea might find their food
The microorganism Methanosarcina acetivorans lives off everything it can metabolize into methane.

Earthquake swarms; marine Ediacaran fossil traces; Alca obsidian; Mammoth Mountain
Studies in this latest batch of GEOLOGY postings cover tiny Ediacara organisms, CO2 gas following seismic swarms, the growth of Mount Everest, methane seeps, the remarkably modern character of Cretaceous seawater composition, geodynamic models of the assembly of Rodinia and Gondwana, and whether subduction zones are invading the Atlantic.

Understanding the molecular mechanisms underlying Alzheimer's disease
In this issue of the Journal of Clinical Investigation, researchers led by Yong-Keun Jung at Seoul National University demonstrate that Aβ binds to a cellular protein known as FCγRIIb.

Men with prostate cancer should eat healthy vegetable fats
Men with prostate cancer may significantly improve their survival chances with a simple change in their diet, a new study led by UC San Francisco has found.

Genetic research clarifies link between hypertension and vitamin D deficiency
A large-scale genetic study involving over 155,000 individuals has enabled researchers to discover the causal link between hypertension and vitamin D deficiency.

Study shows cardiac MRI use reduces adverse events for patients with acute chest pain
Wake Forest Baptist Medical Center doctors have found that using stress cardiac magnetic resonance imaging in an Emergency Department observation unit to care for patients with acute chest pain is a win-win -- for the patient and the institution.

When calculating cell-growth thermodynamics, reconsider using the Gibbs free energy equation
A forthcoming article in The Quarterly Review of Biology provides the basis for an argument against using the Gibbs free energy equation to accurately determine the thermodynamics of microbial growth.

Plunging fish numbers linked to dam releases
A Griffith University led study has thrown cold water on the notion that large dam releases compensate for the effects of interrupting natural water flows.

Reducing unnecessary and high-dose pediatric CT scans could cut associated cancers by 62 percent
A study examining trends in X-ray computed tomography use in children in the United States has found that reducing unnecessary scans and lowering the doses for the highest-dose scans could lower the overall lifetime risk of future imaging-related cancers by 62 percent.

Eve Marder to receive the $500,000 Gruber Neuroscience Prize
Eve Marder, Ph.D., a professor of neuroscience at Brandeis University, is the recipient of the 2013 Neuroscience Prize of The Gruber Foundation.

Biofuels will play integral role in California's energy future, says new EBI study
A new study by the Energy Biosciences Institute at UC Berkeley has good news for the state of California: Biofuel production CAN help the state meet its ambitious greenhouse gas reduction goals by 2020.

Effect of use of vegetable fat on risk of death in men with prostate cancer
Replacing carbohydrates and animal fat with vegetable fat may be associated with a lower risk of death in men with nonmetastatic prostate cancer, according to a report published Online First by JAMA Internal Medicine, a JAMA Network publication.

Alzheimer's and low blood sugar in diabetes may trigger a vicious cycle
Diabetes-associated episodes of low blood sugar may increase the risk of developing dementia, while having dementia or even milder forms of cognitive impairment may increase the risk of experiencing low blood sugar, according to a UC San Francisco scientist who led a new study published online June 10 in JAMA Internal Medicine.

Unfrozen mystery: H2O reveals a new secret
Using revolutionary new techniques, a team led by Carnegie's Malcolm Guthrie has made a striking discovery about how ice behaves under pressure, changing ideas that date back almost 50 years.

A path to lower-risk painkillers
Could we be on the way to creating painkillers without side effects?

Rules for the world of economics
A Swedish energy corporation sues the Federal Republic for damages based on its change in energy policy?

Brain circuits link obsessive-compulsive behavior and obesity
A University of Iowa-led study suggests that the brain circuits that control obsessive-compulsive behavior are intertwined with circuits that control food intake and body weight.

Uni Basel researchers discover master regulator in cancer metastasis
In the process of metastasis, the movement of cancer cells to different parts of the body, a specific master regulator gene plays a central role: a transcription factor named Sox4 activates a sequence of genes and triggers the formidable process.

UC San Diego launches new research computing program
The University of California, San Diego has deployed a new high-performance research computing system called the Triton Shared Computing Cluster, or TSCC, serving researchers at UC San Diego and any of the other UC campuses as well as external academic, non-profit, and corporate users.

Lifespan-extending drug given late in life reverses age-related heart disease in mice
Mice suffering from age-related heart disease saw a significant improvement in cardiac function after treatment with the FDA-approved drug rapamycin for just three months.

Study examines cancer risk from pediatric radiation exposure from CT scans
According to a study of seven US healthcare systems, the use of computed tomography scans of the head, abdomen/pelvis, chest or spine, in children younger than age 14 more than doubled from 1996 to 2005, and this associated radiation is projected to potentially increase the risk of radiation-induced cancer in these children in the future, according to a study published Online First by JAMA Pediatrics, a JAMA Network publication.

Quality-of-life issues need to be addressed for CML patients, Moffitt researchers say
Researchers at Moffitt Cancer Center have determined that chronic myeloid leukemia patients who are treated with a class of oral chemotherapy drugs known as a tyrosine kinase inhibitors have significant side effects and quality-of-life issues that need to be addressed.

Land use changes, housing demographics shift in Washington State
A recent government report reveals that the number of houses in dispersed rural settings in western Washington has doubled over the past 30 years, and that 20 percent of nonfederal land is currently developed.

Radiopeptide therapy improves survival outcomes for neuroendocrine cancer patients
Peptide-receptor radionuclide therapy (PRRT) has been a subject of growing research on neuroendocrine tumors, which take up residence in a variety of organs replete with nerve cells that respond to hormone signaling. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to