Brightsurf Science News & Current Events

June 15, 2009
GARP makes the difference
Scientists from the Helmholtz Center for Infection Research in Braunschweig, Germany and the Medical School Hannover, Germany have succeeded in treating immune cells in a way that enables them to inhibit unwanted immune reactions such as organ rejection.

They are young and need the job: A second chance for dangerous T cells
Any of the immune system's T cells that could attack the body's own tissue are either driven to cell death or reeducated to become a kind of law enforcer that could actually be used in therapies.

'Shortcuts' of the mind lead to miscalculations of weight and caloric intake, says Penn study
Psychologists have identified a cognitive shortcut they call

Not 1, but 2 kinds of males found in the invasive round goby
Scientists have found the existence of two types of males of a fiercely invasive fish spreading through the Great Lakes, which may provide answers as to how they rapidly reproduce.

Psoriasis associated with cardiovascular disease and increased mortality
The skin disease psoriasis is associated with atherosclerosis (a buildup of plaque in the arteries) characterized by an increased prevalence of ischemic heart disease, cerebrovascular disease, peripheral artery disease and an increased risk of death, according to a report in the June issue of Archives of Dermatology, one of the JAMA/Archives journals.

Scientists identify gene vital to early embryonic cells forming a normal heart and skull
New research from Cincinnati Children's Hospital Medical Center highlights the critical role a certain gene and its protein play during early embryonic development on formation of a normal heart and skull.

Sediment yields climate record for past half-million years
Researchers here have used sediment from the deep ocean bottom to reconstruct a record of ancient climate that dates back more than the last half-million years.

Dr. Charles W. Clendening wins AIAA Plasmadynamics and Lasers Award
The American Institute of Aeronautics and Astronautics is pleased to announce that Dr.

SPECT provides high-quality images of small tumors
A new study shows that combining high resolution and high sensitivity collimation provides better quality images when using single photon emission computed tomography (SPECT) scans, said researchers at SNM's 56th Annual Meeting.

The dark side of gifts: Feeling indebted may drive people to the marketplace
You need to move out of your apartment. Do you call in your friends and family to haul boxes and furniture or contact a moving company?

Prototype breast cancer imaging system may improve patient care
A prototype breast imaging system combining positron emission tomography and magnetic resonance imaging technologies could greatly improve breast cancer imaging capabilities, according to researchers at SNM's 56th Annual Meeting.

What limits the size of birds?
In a forthcoming article in PLoS Biology, Sievert Rohwer and his colleagues at the Burke Museum at the University of Washington provide evidence that maximum body size in birds is constrained by the amount of time it takes to replace the flight feathers during molt.

Hungry cells
People who suffer from Peutz-Jeghers syndrome, a rare inherited cancer syndrome, develop gastrointestinal polyps and are predisposed to colon cancer and other tumor types.

PET scans may improve accuracy of dementia diagnosis
A new study shows that the use of positron emission tomography (PET) scans may improve the accuracy of dementia diagnoses early in disease onset for more than one out of four patients.

Indiana U. expert says nation's physicians support national health insurance
A study conducted by CHPPR at the Indiana University School of Medicine and published last year in the Annals of Internal Medicine found that 59 percent of physicians would support government legislation for National Health Insurance, a much more radical type of reform than that proposed by the Obama administration.

US counties with more African-American patients may have fewer colorectal cancer specialists
Each percentage point increase in the African-American population in a county appears to be associated with a decrease in the number of specialists within that county who diagnose and treat colorectal cancer, according to a report in the June issue of Archives of Surgery, one of the JAMA/Archives journals.

Broecker: 'What we need are tougher measures against climate change'
The presentation ceremony will take place on June 18. Their monetary amount and the breadth of disciplines addressed place the BBVA Foundation Frontiers of Knowledge Awards second only to the Nobel Prize.

Perforated surgical gloves associated with surgical site infection risk
Surgical gloves that develop holes or leaks during a procedure appear to increase the risk of infection at the surgical site among patients who are not given antibiotics beforehand, according to a report in the June issue of Archives of Surgery, one of the JAMA/Archives journals.

Popular Alzheimer's theory may be false trail
Researchers with the McKnight Brain Institute of the University of Florida discovered that inflammation of microglia -- an abundant cell type that plays an important supporting role in the brain -- does not appear to be associated with dementia in Alzheimer's disease.

New Center of Excellence targets reducing disparities in cancer care and outcomes
A new Center of Excellence at the University of South Florida and Moffitt Cancer Center will focus on research, education and training, and community outreach to reduce cancer health disparities among minority and underserved populations.

Dangerous college drinking: Prevention is possible, studies suggest
Alcohol is sometimes seen as part and parcel of college life, but there are programs that can significantly reduce students' risky drinking, according to a series of studies in a special college drinking supplement of the Journal of Studies on Alcohol and Drugs.

Brain energy use key to understanding consciousness, Yale researchers find
High levels of brain energy are required to maintain consciousness, a finding which suggests a new way to understand the properties of this still mysterious state of being, Yale University researchers report.

IUPUI chemists develop Distributed Drug Discovery: Finding drugs for neglected diseases
Researchers from IUPUI have developed Distributed Drug Discovery, a new low-cost strategy to accelerate the discovery of drugs to treat neglected diseases such as tuberculosis, leprosy, leshmaniasis, dengue fever and Chagas disease.

Health research agencies form global alliance to curb humanity's most fatal diseases
On Monday, June 15, six of the world's foremost health agencies, collectively managing an estimated 80 percent of all public health research funding, will announce formation of a landmark alliance to collaborate in the critical battle against chronic, noncommunicable diseases: cardiovascular diseases (mainly heart disease and stroke), several cancers, chronic respiratory conditions and type 2 diabetes -- the so-called

Depression may increase Alzheimer's risk in people with memory problems
People with memory problems who are depressed are more likely to develop Alzheimer's disease compared to people who are not depressed, reports a new UCLA study.

Scientific evidence of health problems from past contamination of drinking water at Camp Lejeune is limited and unlikely to be resolved with further study
Evidence exists that people who lived or worked at Camp Lejeune Marine Base in North Carolina between the 1950s and 1985 were exposed to the industrial solvents tricholorethylene or perchloroethylene in their water supply, but strong scientific evidence is not available to determine whether health problems among those exposed are due to the contaminants, says a new report from the National Research Council.

A*STAR scientists invent the world's only controllable molecule gear of minuscule size of 1.2 nm
Scientists from A*STAR's Institute of Materials Research and Engineering, led by Professor Christian Joachim, have scored a breakthrough in nanotechnology by becoming the first in the world to invent a molecular gear of the size of 1.2 nm whose rotation can be deliberately controlled.

Having a higher purpose in life reduces risk of death among older adults
Possessing a greater purpose in life is associated with lower mortality rates among older adults according to a new study by researchers at Rush University Medical Center.

Rural tourists' profile analyzed
Every weekend, holiday and long bank holiday, thousands of people take to the roads on journeys of hours or even days to rural destinations.

New issue of Reproductive Health Matters on task shifting
Elsevier announced today the publication of the May 2009 issue of Reproductive Health Matters, on the theme of task shifting.

Extended service contracts: When and why do people buy them?
Consumer experts have long recommended against buying Extended Service Contracts with products, since they are rarely cost effective.

UCSF and Abbott launch viral discovery center at Mission Bay
The University of California, San Francisco, has partnered with Abbott, a global health care company, to launch a first-of-its kind, nonprofit viral diagnostics center near the UCSF Mission Bay campus to help identify unknown viruses from around the world.

CSE Prize 2009 awarded to scientists for rbMIT software package
Springer, a leading global scientific publisher, has awarded the Computational Science and Engineering Prize 2009 to Phuong Huynh, Ngoc-Cuong Nguyen and Gianluigi Rozza for developing the software package rbMIT, used in solving parametrized partial differential equations by the reduced basis method.

UCLA cancer researchers develop model that may help identify cancer stem cells
Researchers at UCLA's Jonsson Comprehensive Cancer Center, on a quest to find lung cancer stem cells, have developed a unique model to allow further investigation into the cells that many believe may be at the root of all lung cancers.

As college drinking problems rise, new studies identify effective prevention strategies
Alcohol-related deaths, heavy drinking and drunk driving among US college students have risen in recent years, as reported in a special supplement on college drinking problems published in the Journal of Studies on Alcohol and Drugs.

American Chemical Society Weekly PressPac -- June 10, 2009
The American Chemical Society Weekly Press Package with reports from 34 major peer-reviewed journals on chemistry, health, medicine, energy, environment, food, nanotechnology and other hot topics.

NASAC statement on the occasion of the G8+5 Summit in L'Aquila, Italy
NASAC, a group of 13 merit-based science academies in Africa, will issue a statement that encourages the G8+5 countries to help Africa stem the scientific brain drain.

Breakthrough in understanding severe asthma has potential for new treatment
Scientists from King's College London and Imperial College London believe they have discovered a key element in the development of chronic asthma.

Show and prove
For diabetics who lose feeling in their feet, it's crucial for them to continuously check their feet and shoes.

Major breakthrough in early detection and prevention of AMD
A team of researchers led by Dr. Jayakrishna Ambati at the University of Kentucky has discovered a biological marker for neovascular age-related macular degeneration (AMD), the leading cause of blindness in older adults.

Springer Praxis book receives 2009 Burwell Award
The Springer Praxis book,

Milwaukee swine flu testing results published
Researchers at the Medical College of Wisconsin in Milwaukee published the first initial paper describing the Milwaukee prevalence of the largest outbreak of novel swine origin influenza virus in America in the June 11, 2009, online issue of Viruses.

Amazon conservation policy working in Brazil, MSU-led study finds
Contrary to common belief, Brazil's policy of protecting portions of the Amazonian forest from development is capable of buffering the Amazon from climate change, according to a new study led by Michigan State University researchers.

NIH funds $9.5 million for research on HIV and the human innate immune system
Studying how the mouth wards off diseases will have implications for understanding overall how people stay healthy.

Distributed security
Could an entirely new approach to online security, based on distributed sanctions, help prevent cybercrime, fraud and identity theft?

Depression may increase risk of Alzheimer's disease in people with memory problems
People with memory problems who are depressed are more likely to develop Alzheimer's disease compared to people who are not depressed, according to a study published in the June 16, 2009, print issue of Neurology, the medical journal of the American Academy of Neurology.

Complaints of fatigue and tiredness in people with OSA improve with CPAP treatment
A study in the June 15 issue of the Journal of Clinical Sleep Medicine shows that the complaints of fatigue and tiredness in patients with obstructive sleep apnea (OSA) improved significantly with good adherence to continuous positive airway pressure (CPAP) therapy, suggesting that -- like the symptom of excessive daytime sleepiness -- these complaints are important symptoms of OSA

Predicting fatal fungal infections
In a study published in the Journal of Infectious Diseases, researchers from Albert Einstein College of Medicine of Yeshiva University have identified cells in blood that predict which HIV-positive individuals are most likely to develop deadly fungal meningitis, a major cause of HIV-related death.

D.C. Math for America awarded $1.5-million NSF grant
In 2008, the Carnegie Institution's Carnegie Academy for Science Education launched a partnership with Math for America and American University.

College drinking problems, deaths on the rise
Alcohol-related deaths, heavy drinking episodes and drunk driving have all been on the rise on college campuses over the past decade, a new government study shows.

Calcium -- the secret to honeybees' memory
Long-term memory formation in honeybees is instigated by a calcium ion cascade.

Gating the tides in yeast
In this week's issue of the open access journal PLoS Biology, scientists from the University of Gothenburg describe the highest resolution three-dimensional structure yet of a membrane protein, in this case of a protein channel known as an aquaporin that regulates water flow into and out of yeast cells.

NREL seeks proposals, announces awards for photovoltaic technology incubator program
The US Department of Energy's National Renewable Energy Laboratory (NREL) is seeking project proposals as part of recently announced DOE funding to accelerate commercialization of solar energy technologies.

NJIT expert advises on the do and don't of building in hurricane-prone areas
Better building practices for structures in hurricane-prone regions will be the focus of a paper next month in Caribbean Construction Magazine by NJIT architecture professor Rima Taher, Ph.D.

Mapping gene expression with Gene Expression Atlas
Today, researchers at EMBL-EBI launch a new database, the Gene Expression Atlas, which allows scientists to search and compare gene expression data at unprecedented detail and scope.

New approach for treating recurrent prostate cancer on the horizon
A new study shows that an alpha-particle emitting radiopeptide -- radioactive material bound to a synthetic peptide, a component of protein -- is effective for treating prostate cancer in mice, according to researchers at SNM's 56th Annual Meeting in Toronto.

Decision tool for prostate cancer patients helps men customize treatment in anxious time
An online decision tool created in part by a graduate student at the University of California Irvine helps men diagnosed with prostate cancer sort through an intimidating flurry of possible treatments and customize treatment plans of their own, according to a study in the current issue of Interfaces, a journal of the Institute for Operations Research and the Management Sciences.

New skin cancer patch: Possible alternative to surgery
A new study shows that a radioactive skin patch can safely and successfully treat basal cell carcinoma, one of the most common types of skin cancers, according to researchers at the SNM's 56th Annual Meeting.

Nozik wins UN science and technology prize for solar research
Senior Research Fellow Arthur J. Nozik of the US Department of Energy's National Renewable Energy Laboratory has won the 2009 Intergovernmental Renewable Energy Organization (IREO) Award for Science and Technology.

Rice University researchers ask if biofuels will lead to a 'drink or drive'
Rice University scientists warned that the United States must be careful that the new emphasis on developing biofuels as an alternative to imported oil takes into account potential damage to the nation's water resources.

Is the sky the limit for wind power?
In the future, will wind power tapped by high-flying kites light up New York?

Mayo genomic discovery: Protecting kidney function during heart failure
Mayo Clinic cardiology researchers have found a peptide that helps preserve and improve kidney function during heart failure, without affecting blood pressure.

Caltech scientists use high-pressure 'alchemy' to create nonexpanding metals
By squeezing a typical metal alloy at pressures hundreds of thousands of times greater than normal atmospheric pressure, scientists at the California Institute of Technology have created a material that does not expand when heated, as does nearly every normal metal, and acts like a metal with an entirely different chemical composition.

Following the dietary guidelines may slow heart disease in women
The study authors found that adherence to recommendations for whole-grain, total fat and cholesterol intake were most associated with decreased atherosclerotic progression.

Chemical in blood may explain susceptibility to bladder pain
A marker in the blood of both cats and humans that was identified in a recent study might signal both species' susceptibility for a painful bladder disorder called interstitial cystitis, a condition that is often difficult to diagnose.

Protein regulates movement of mitochondria in brain cells
Scientists have identified a protein in the brain that plays a key role in the function of mitochondria -- the part of the cell that supplies energy, supports cellular activity, and potentially wards off threats from disease.

Could hormones explain gender differences in neurological disease?
Neurological diseases including Parkinson's, Tourette's, attention deficit hyperactivity disorder, Alzheimer's and schizophrenia are all associated with alterations in dopamine-driven function involving the dopamine transporter (DAT).

MIT slows concrete creep to a crawl
MIT civil engineers have for the first time identified what causes the most frequently used building material on earth -- concrete -- to gradually deform, decreasing its durability and shortening the lifespan of infrastructures such as bridges and nuclear waste containment vessels.

New chemistry techniques improve hybrid scanner performance
A new PET/MR imaging system has been developed that can successfully provide whole-body images of rats and other small animals, according to researchers at SNM's 56th Annual Meeting.

New release: English technology guide provides an overview of current technologies
Our everyday lives are dictated by technical developments, and we will be increasingly moulded and changed by them.

Young adults not drinking enough milk
Because peak bone mass is not achieved until the third decade of life, it is particularly important for young adults to consume adequate amounts of calcium, protein and vitamin D found in dairy products to support health and prevent osteoporosis later in life.

The nature of economic manias and crashes
Readers who have followed the trials and tribulations of the world economy and financial markets will find in Donald Rapp's new book,

Meteorite grains divulge Earth's cosmic roots
The interstellar stuff that became incorporated into the planets and life on Earth has younger cosmic roots than theories predict, according to the University of Chicago postdoctoral scholar Philipp Heck and his international team of colleagues.

Memories may be formed throughout the day, not just while sleeping
UCSF Scientists have long thought that processes occurring during sleep were responsible for cementing the salient experiences of the day into long-term memories.

The sweet taste of uncertainty: Winners enjoy waiting to discover what they've won
You've just won a prize. Would you like to find out what it is right away, or wait until later?

A*STAR showcases 12 breakthrough infocomm technologies at CommunicAsia 2009
Look out for a technology that enables you to control who can view/edit your pictures after someone has downloaded them off, say, your website or social networking page.

Embargoed news from Annals of Internal Medicine
Below is information about four studies being published in the June 16 issue of Annals of Internal Medicine.

RNA snippet suppresses spread of aggressive breast cancer
Low levels of a tiny RNA fragment in cells are associated with metastatic breast cancer in humans and increases the aggressive spread of breast cancer in mice, according to researchers at Whitehead Institute for Biomedical Research.

Mean new microRNA data analysis method gives sharper results
Our understanding of the importance of microRNAs in regulating gene expression is expanding, and with it our requirement for robust methods to measure their expression levels.

TRAPping proteins that work together inside living cells
Researchers trying to understand how and which proteins work together have developed a new crosslinking tool that is small and unobtrusive enough to use in live cells.

Scientists publish the discoveries that saved the large blue butterfly
On the 25th anniversary of the project that brought the large blue butterfly back from extinction in the United Kingdom, ecologists are for the first time publishing the decades of research that helped them rescue this spectacular butterfly.

'Motion-frozen' technology meets high-definition PET: Helping heart patients
Combining high-definition positron emission tomography (PET) and

Topical application of chemotherapy drug may improve appearance of aging skin
Topical application of the chemotherapy medication fluorouracil appears to reduce potentially precancerous skin patches and improve the appearance of sun-damaged skin, according to a report in the June issue of Archives of Dermatology, one of the JAMA/Archives journals.

New study closes in on geologic history of Earth's deep interior
By using a super-computer to virtually squeeze and heat iron-bearing minerals under conditions that would have existed when the Earth crystallized from an ocean of magma to its solid form 4.5 billion years ago, two UC Davis geochemists have produced the first picture of how certain forms of iron were initially distributed in the solid Earth.

Duke, Harvard researchers to monitor bonobo reintroduction
American researchers who have been studying the rare and threatened bonobo ape will lead monitoring efforts after a group of orphan bonobos are returned to the wild in the Congo for the first time this month.

'Platforms in space' to help businesses
Leicester leads the way in UK to exploit Earth observation technology for entrepreneurial application.

Hebrew University research leads to advanced trials of new cancer treatment
Research by a Hebrew University of Jerusalem professor has led to the development of a product that has been shown in clinical trials to be successful in halting the growth of various types of cancer cells.

Researchers from around the globe coming to K-State June 21 for workshop on Fusarium fungus
On June 21, researchers representing nearly 30 countries are coming to Kansas State University to better understand Fusarium and strategies for dealing with the fungus.

Gene evolution process discovered
One of the mechanisms governing how our physical features and behavioral traits have evolved over centuries has been discovered by researchers at the University of Leeds, UK.

The anti-consumption movement: Researchers examine resistance to global brands
What motivates people to rebel against global brands -- or consumption in general?

Colleges, communities combat off-campus student drinking
Programs that bring colleges and their surrounding neighborhoods together may help reduce off-campus drinking problems, a new study suggests.

Sleep apnea occurring during REM sleep is significantly associated with type 2 diabetes
A multiethnic study in the June 15 issue of the Journal of Clinical Sleep Medicine reports that there is a statistically significant relationship between obstructive sleep apnea episodes occurring during rapid eye movement (REM) sleep and type 2 diabetes.

Purdue-developed tool can get most pollution control for the money
There may be thousands of things large and small that can be done to better control pollution on even the smallest waterways, and a new tool developed at Purdue University may help sort out how to choose the best ones.

Unique sky survey brings new objects into focus
An innovative sky survey has begun returning images that will be used to detect unprecedented numbers of powerful cosmic explosions -- called supernovae -- in distant galaxies, and variable brightness stars in our own Milky Way.

New exotic material could revolutionize electronics
Move over, silicon -- it may be time to give the Valley a new name.

The downside of microtubule stability
Stalled microtubules might be responsible for some cases of the neurological disorder Charcot-Marie-Tooth disease, Tanabe and Takei report in the June 15, 2009, issue of the Journal of Cell Biology.

MIT: Peeling stickers may lead to stretchable electronics
A study of stickers peeling from windows could lead to a new way to precisely control the fabrication of stretchable electronics, according to a team of researchers including one at MIT.

Vanderbilt researchers pioneer an advanced sepsis detection and management system
An interdiscipinary team of clinicians and informatics experts from the Vanderbilt University Medical Center and computer scientists from Vanderbilt's Institute for Software Integrated Systems have developed and begun testing what they believe is the first real-time system for sepsis detection.

Why do we choose our mates? Ask Charles Darwin, prof says
Charles Darwin wrote about it 150 years ago: animals don't pick their mates by pure chance -- it's a process that is deliberate and involves numerous factors.

New species of phallus-shaped mushroom named after California Academy of Sciences scientist
As part of ongoing research on Sao Tome and Principe, a new Phallus mushroom has been discovered and described in the upcoming issue of Mycologia.

Canadian synchrotron conference sheds light on new biomedical research
Science fact surpasses science fiction at the Canadian Light Source synchrotron's 12th Annual Users' Meeting Thursday, June 18, at the Radisson Hotel in Saskatoon.

From the glass to the brain in 6 minutes
Just one drink can quickly go to your head. Researchers in Heidelberg tested this well-known adage.

Are everyday products from cosmetics to household cleaners causing the high rates of breast cancer?
Has the key to reducing breast cancer gotten lost in the race for a cure?

HIVMA supports public plan option to ensure patients' needs are met
As Congress drafts health care reform legislation, HIV clinicians urge lawmakers to include a public plan option to ensure affordable access to comprehensive care for HIV patients -- nearly 30 percent of whom have no insurance.

Severe obesity increases risks of health problems during surgery
Severe obesity can pose special challenges, including cardiac risks, in patients undergoing surgery; healthcare providers must carefully evaluate those risks and not underestimate them.

Sinus infections may be a factor in toxic shock syndrome in children
Rhinosinusitis (infection and inflammation in the sinus passages surrounding the nose) appears to be a primary factor in about one-fifth of toxic shock syndrome cases in children, according to a report in the June issue of Archives of Otolaryngology -- Head & Neck Surgery, one of the JAMA/Archives journals.

How consumers continue enjoying their favorite experiences
We've all experienced listening to a song until we can't stand it.

MUHC researcher awarded $500,000 to study pathogenesis of infectious disease
The Burroughs Wellcome Fund has announced the recipients of the 2009 Investigators in the Pathogenesis of Infectious Disease Award.

Research shows how a stroke affects hand function; provides roadmap for rehabilitation
A person whose hand function has been affected by a stroke can release an object more quickly when the affected arm is supported on a platform, but the support does not make it easier to grip the object, a new study finds.

NERSC helps expose cosmic transients
Finding fleeting cosmic events not only requires the right kind of telescope and camera, it depends on high-performance computing to pinpoint objects of interest among thousands of images while there's still time for follow-up observations.

Adding antiviral agents to steroids to treat facial paralysis is not linked to improved recovery
Adding an antiviral agent to corticosteroids for treatment of Bell's palsy (a condition characterized by partial facial paralysis) is not associated with improved recovery of facial movement function, according to a meta-analysis of previously published studies in the June issue of Archives of Otolaryngology -- Head & Neck Surgery, one of the JAMA/Archives journals.

Novel discovery in dendritic cell signalling pathways pave the way for new therapeutic targets
Scientists from A*STAR's Singapore Immunology Network and the University of Milano-Bicocca, Italy, have discovered another signaling pathway for the activation and apoptosis, or programmed cell death, of dendritic cells.

Knee replacements: Pinpointing the cause of infection
A new study reveals that PET scans accurately detect infections in prosthetic knee joints more than 90 percent of the time, according to researchers at the SNM's 56th Annual Meeting.

Scientists discover magnetic superatoms
A team of Virginia Commonwealth University scientists has discovered a

IEEE-USA urges federal government to improve visa processing
IEEE-USA President Gordon Day signed a statement last week urging the federal government to improve the visa processing system to expedite the admittance of visiting international students, scholars and scientists.

Scientists break light modulation speed record -- twice
Researchers have constructed a light-emitting transistor that has set a new record with a signal-processing modulation speed of 4.3 gigahertz, breaking the previous record of 1.7 gigahertz held by a light-emitting diode.

JCI online early table of contents: June 15, 2009
This release contains summaries, links to PDFs and contact information for the following newsworthy papers to be published online, June 15, 2009, in the JCI:

Farmed fish may pose risk for mad cow disease
University of Louisville neurologist Robert P. Friedland, M.D., questions the safety of eating farmed fish in today's Journal of Alzheimer's Disease, adding a new worry to concerns about the nation's food supply.

Stress puts double whammy on reproductive system, fertility
Stress is known to decrease fertility and sexual behavior, but researchers thought this was because stress hormones lower levels of a brain hormone called gonadotropin releasing hormone, or GnRH.

The complicated consumer: Positive ads aren't always the most effective
Ads that feature positive emotions, like happiness, are not always the best way to reach consumers, according to a new study in the Journal of Consumer Research.

The freebie dilemma: Consumers are skeptical about 'free' products
It's common for retailers to bundle two different products (like razors and blades) together and describe one as free.

U of Alberta study discovers how proteins help repair DNA
A person's DNA is often damaged by a number of different chemical contaminants, and if not repaired properly, it can lead to the development of cancer and other diseases.

Hybrid scanner brings molecular functioning to the forefront
A major barrier to developing a hybrid positron emission tomography/magnetic resonance imaging system could be removed by using a novel approach for reconstructing data, according to researchers at SNM's 56th Annual Meeting in Toronto.

New mechanism fundamental to the spread of invasive yeast infections identified
A group of researchers led by Carnegie Mellon University Biological Sciences Professor Aaron Mitchell has identified a novel regulatory gene network that plays an important role in the spread of common, and sometimes deadly, fungal infections.

Therapeutic delivery of a gene to dysfunctional nerves
In many sensory neuronopathies, painful conditions affecting sensory nerves outside the brain and spinal cord, the affected nerves are in a region known as the DRG.

New method separates cancer cells from normal cells
Northwestern University researchers have demonstrated a novel and simple method that can direct and separate cancer cells from normal cells.

Pregnant women at high risk of complications from H1N1 influenza
With the H1N1 flu outbreak now elevated to pandemic level, a new article in CMAJ reports that oseltamivir (Tamiflu) and zanamivir (Relenza) are relatively safe drugs for use in pregnant and breast-feeding women.

Global network formed to improve hearing implant outcomes
The Cochlear Implant Program at the London Health Sciences Center working in collaboration with researchers at The University of Western Ontario's National Center for Audiology, has joined 16 other world-class centers to form HEARRING -- the International Network of Comprehensive Hearing Implant Centers of Excellence.
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