Brightsurf Science News & Current Events

February 02, 2009
UNC study: Mental illness by itself does not predict future violent behavior
People with mental illness alone are no more likely than anyone else to commit acts of violence, a new study by UNC researchers concludes.

Solar energy capture & conversion: Materials, challenges, and breakthroughs
The University of Pennsylvania will host a distinguished panel of international energy experts in academia and private industry for a free, day-long symposium on the state of solar energy capture and conversion.

University of Alberta organic chemist receives top young Canadian scientist prize
A University of Alberta organic chemist has been named the 2008 winner of the prestigious Steacie Prize for outstanding scientific research carried out in Canada.

Of mice and men: Rutgers cognitive scientists find both species equally adept at assessing risk
Mice and humans are about equally good at assessing risk in everyday tasks.

Census of Marine Life and ocean in Google Earth bring ocean information to life
Census of Marine Life participates in new ocean in Google Earth release.

JCI online early table of contents: Feb. 2, 2009
This release contains summaries, links to PDFs and contact information for the following newsworthy papers to be published online, Feb.

Hopkins transplant surgeons remove healthy kidney through donor's vagina
In what is believed to be a first-ever procedure, surgeons at Johns Hopkins have successfully removed a healthy donor kidney through a small incision in the back of the donor's vagina.

New book from AIAA explores space drives, warp drives
The American Institute of Aeronautics and Astronautics has published a new book,

A DATE with breast cancer: Shortened gene region linked to breast cancer
New research, to be published in the Journal of Clinical Investigation, indicates that genetic variation in a piece of DNA (which has been named DATE) that regulates activity of the HGF gene might be a useful marker to identify individuals with an increased risk of developing breast cancer.

UCLA scientists develop crystal ball for personalized cancer treatment
UCLA scientists have tested a non-invasive approach that may one day allow doctors to evaluate a tumor's response to a drug before prescribing therapy, enabling physicians to quickly pinpoint the most effective treatment and personalize it to the patient's unique biochemistry.

Study identifies potential 'safe period' for hormone replacement use
A new study confirms that the use of estrogen plus progesterone increases the risk of both ductal and lobular breast cancer far more than estrogen only; suggests a two-year

Cementless cup device developed for hip replacements shows durability after more than 20 years
When a first hip replacement fails, patients may be concerned that their options for a durable hip replacement are limited and that the prognosis is poor.

Gene expression signature associated with survival in advanced ovarian cancer
A new study published this week in the open-access journal PLoS Medicine identifies molecular pathways associated with outcomes in ovarian cancer.

Cold Spring Harbor Protocols features stem cell differentiation, plant RNAi methods
This month's issue of

Turning down gene expression promotes nerve cell maintenance
A new study of myelin, a protein key to efficient neuronal transmission, reveals that a microRNA signal fine-tunes myelination.

Stat3 signaling tips the balance of immunity in favor of cancer
New research reveals how a cancer-associated protein enables tumor cells to evade the immune system by both suppressing anti-tumor influences and promoting tumor-enhancing conditions, in essence turning the immune system to the dark side of the force.

Older killer whales make the best mothers
Killer whales nearing the menopause may be more successful in rearing their young.

Education may not affect how fast you will lose your memory
While a higher level of education may help lower the risk of Alzheimer's disease, new research shows that once educated people start to become forgetful, a higher level of education does not appear to protect against how fast they will lose their memory.

Study examines association between mental illness and violent behavior
Violence appears to be more common among those with mental illness only when they also report substance abuse or dependence, according to a report in the February issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

Researchers investigate prenatal smoking link with antisocial behavior in children
A Cardiff University research project has for the first time studied whether smoking during pregnancy can directly make children more likely to behave antisocially.

Comparative genomics reveals molecular evolution of Q fever pathogen
In the year of the 200th anniversary of the birth of Darwin, researchers have uncovered genetic clues about why some strains of the pathogen that causes Q fever, Coxiella burnetii, are more virulent than others.

MR spectroscopy may help avoid invasive procedures and treatments for recurrent brain lesions
A clinical decision model which uses MR spectroscopy to help physicians differentiate between recurrent tumors and changes in the brain tissue due to radiation treatments, may help patients avoid invasive procedures and treatments, according to a study performed at the University of Michigan Health System in Ann Arbor, Mich.

Experimental Biology 2009 meets April 18-22
More than 13,000 biological and biomedical scientists will gather for the Experimental Biology 2009 meeting at the Ernest N.

Antibiotic-resistant gonorrhea increases from 2 percent to 28 percent
The prevalence of quinolone-resistant gonorrhea has increased rapidly in Ontario -- Canada's most populous province -- from a rate of 2 percent in 2001 to 28 percent in 2006, found a study published in CMAJ.

Teen media exposure associated with depression symptoms in young adulthood
Exposure to more television and other electronic media during the teenage years appears to be associated with developing depression symptoms in young adulthood, especially among men, according to a report in the February issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

Embargoed news from Annals of Internal Medicine
This contains information about four studies being published in the Feb.

AADR member named Global Health Research Ambassador
AADR member Cyril O. Enwonwu, D.D.S., M.D.S., Ph.D., Sc.D., professor of biomedical sciences at the University of Maryland, has been selected to join a group of 25 experts in global health research who will advocate for greater US investment in global health research.

National Academy of Sciences honors NASA's Neil Gehrels for science contributions
Astrophysicist Dr. Neil Gehrels of NASA's Goddard Space Flight Center in Greenbelt, Md., has been awarded the Henry Draper Medal by the National Academy of Sciences, Washington.

Inflammation directly linked to colon cancer
While chronic inflammation is believed to be a predisposing factor for colon cancer, exact mechanisms linking these conditions remain elusive.

Nanotechnology makes supertelescopes much more sensitive
Nanotechnologist Chris Lodewijk has succeeded in significantly increasing the sensitivity of the new supertelescopes in Chile.

Rhythm abnormality of unknown origin strongly predicts sudden death risk in heart disease patients
Researchers conducting a large, ongoing study to improve detection and prevention of sudden cardiac death were surprised to discover that a specific heart rhythm abnormality -- idiopathic QT interval prolongation -- increased risk five-fold among patients with coronary artery disease.

UNH/NOAA report: Arctic region underprepared for maritime accidents
The existing infrastructure for responding to maritime accidents in the Arctic is limited and more needs to be done to enhance emergency response capacity as Arctic sea ice declines and ship traffic in the region increases, according to new report released today by the University of New Hampshire and the National Oceanic and Atmospheric Administration.

Virginia Tech engineers investigate energy independent monitoring system for bridges
As the nation's bridges face the need for continual monitoring and rehabilitation, Virginia Tech mechanical engineers are participants in a research project to develop the Bridge Prognostic System, using an energy independent, active sensing system that can be observed from remote locations.

UC Davis study finds vitamin use is highest in kids who don't need them
A study by UC Davis researchers published in the February 2009 issue of the Archives of Pediatric & Adolescent Medicine has found that most of the healthy children and teenagers in the United States who are taking daily vitamin and mineral supplements probably don't need them.

Springer textbook receives prestigious award
The Springer textbook Stratosphere Troposphere Interactions: An Introduction has been chosen as the 2008 Atmospheric Science Librarians International (ASLI) Choice for being a comprehensive book on a unique aspect of atmospheric sciences.

New version of Google Earth features California's marine protected areas
You don't have to get wet, or seasick, to find out what is going on in Marine Protected Areas worldwide.

Hormone level during pregnancy may identify women at risk for postpartum depression
Women who have higher levels of a hormone produced by the placenta midway through their pregnancy appear more likely to develop postpartum depression, according to a report in the February issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

Exercise improves leg pain caused by arterial disease
Patients with leg pain caused by arterial disease may be able to forgo treatment of the affected artery by participating in hospital-supervised exercise, according to a new study.

Rice rolls out new nanocars
The drivers of Rice University's nanocars were surprised to find modified versions of their creation have the ability to roll at room temperature.

An estimated one-third of US children and teens take vitamin or mineral supplements
A large number of US children and teens age 2 to 17 appear to use vitamin and mineral supplements, although most may not need them, according to a report in the February issue of Archives of Pediatrics & Adolescent Medicine, one of the JAMA/Archives journals.

Fibroblasts invade at a snail's pace
A transcription factor known to drive the formation of fibroblasts during development also promotes their ability to invade and remodel surrounding tissues, report Rowe et al.

Cell-building discovery could reduce need for some animal research
Brown University biomedical engineers, using a 3-D Petri dish they invented, have successfully built complex-shaped microtissues by assembling small building blocks of living cell clusters.

Phytoplankton cell membranes challenge fundamentals of biochemistry
In a new paper published in Nature, Benjamin Van Mooy, a geochemist with the Woods Hole Oceanographic Institution and his colleagues report that microscopic plants growing in the Sargasso Sea have come up with a completely unexpected way of building their cells.

Pentagon selects ONR to lead technical management of new joint training program
The Office of Naval Research (ONR) has been selected by the Pentagon to manage a critical, one-of-a-kind futuristic training program in which warfighters would train here at home in preparation for the types of small, urban and borderless conflicts that have spread throughout the Middle East and other regions of the world.

Astronomers discover link between supermassive black holes and galaxy formation
A pair of astronomers from Texas and Germany have used a telescope at The University of Texas at Austin's McDonald Observatory together with Hubble Space Telescope and many other telescopes around the world to uncover new evidence that the largest, most massive galaxies in the universe and the supermassive black holes at their hearts grew together over time.

Small male chimps use politics, rather than aggression, to lead the pack, U of Minnesota study says
With most mammals, the biggest and most aggressive male claims the alpha male role and gets his choice of food and females.

Can cannibalism fight infections?
Tel Aviv University scientists unlock the secret of drug resistance in deadly bacteria.

Super-resolution microscopy takes on a third dimension
The shapes of some of the tiniest cellular structures are coming into focus at the Janelia Farm Research Campus, where scientists have developed an imaging technology that produces the best three-dimensional resolution ever seen with an optical microscope.

African-American parents more likely to report distrust of medical research
Distrust of medical research appears more common among African American parents than white parents and may present a barrier to enrollment of minority children in research studies, according to a report in the February issue of Archives of Pediatrics & Adolescent Medicine, one of the JAMA/Archives journals.

Landscape-scale treatment promising for slowing beetle spread
Mountain pine beetles devastating lodgepole pine stands across the West might best be kept in check with aerial application of flakes containing a natural substance used in herbal teas that the insects release to avoid overcrowding host trees, according to a team of scientists.

FDA approves KAPIDEX (dexlansoprazole) delayed-release capsules for the treatment of GERD
Takeda Pharmaceutical Company Limited and its wholly owned subsidiary, Takeda Pharmaceuticals North America, Inc., today announced that the US Food and Drug Administration approved KAPIDEX (dexlansoprazole) delayed release capsules for the once-daily, oral treatment of heartburn associated with symptomatic non-erosive gastroesophageal reflux disease (GERD), the healing of erosive esophagitis (EE) and the maintenance of healed EE.

Evolution and climate change research advances at Rutgers-Camden
Evolution and climate change research underway at Rutgers-Camden.

PET/CT may improve prognosis for patients with inflammatory breast cancer
In the largest study to date to evaluate fluorodeoxyglucose positron emission tomography combined with computed tomography in the initial staging of inflammatory breast cancer, researchers were able to identify the precise location and extent of metastasis, offering the potential for a better prognosis for patients with this rare, but aggressive form of breast cancer.

New evidence from excavations in Arcadia, Greece, supports theory of the 'Birth of Zeus'
According to Dr. David Gilman Romano, senior research scientist at the University of Pennsylvania Museum, new excavation evidence indicates that Zeus' worship was established on Mt.

Researcher proposes statistical method to enhance secondary security screenings
Sampling method would reduce repeated screenings of the

Not just your imagination: The brain perceives optical illusions as real motion
Ever get a little motion sick from an illusion graphic designed to look like it's moving?

10 new amphibian species discovered in Colombia
Scientists announce the discovery of 10 amphibians believed to be new to science, including a spiky-skinned, orange-legged rain frog, three poison dart frogs and three glass frogs, so called because their transparent skin can reveal internal organs.

Peru study shows restrictive law fails to limit number of abortions
Despite abortion being severely legally restricted -- and potentially unsafe -- in Peru, the incidence of abortion is as high as or higher than the incidence in many countries where it is legal and safe, found researchers from Peru, the United Kingdom and the United States in an article published in CMAJ.

Acorda Therapeutics submits new drug application for Fampridine-SR in multiple sclerosis
Acorda Therapeutics Inc. today announced the submission of a new drug application to the US Food and Drug Administration on Jan.

New technique images tumor vessel leakiness to predict breast cancer chemotherapy outcome
Researchers have developed a technique for determining the

Newer medication may offer advantages over agents often used for sedation in ICU
Use of the sedative dexmedetomidine for critically ill patients resulted in less time on a ventilator and less delirium compared to patients administered a more commonly used drug, according to a study in the Feb.

Scientists discover 'hot spot' for toxic HABS off Washington coastline
A new study funded by NOAA and the National Science Foundation reveals that a part of the Strait of Juan de Fuca, which separates Washington state from Canada's British Columbia, is a potential

New findings raise questions about process used to identify experimental drug
A study by National Institutes of Health researchers has revealed surprising new insights into the process used to initially identify an experimental drug now being tested in people with cystic fibrosis and muscular dystrophy.

TGen and ASU researchers find drug that could reduce risk of Alzheimer's
A drug used to improve blood flow to the brain also could help improve learning and memory and reduce the risk of Alzheimer's disease, according to a new study released today by investigators at the Translational Genomics Research Institute (TGen) and Arizona State University.

11-gauge needle better than 14-gauge in breast biopsy
Stereotactic vacuum-assisted breast needle biopsy, a common minimally invasive biopsy method used in the US, is more effective with an 11-gauge needle than the 14-gauge needle decreasing a physician's chances of false-negative diagnoses, according to a study performed at the Stanford University School of Medicine in Stanford, Calif.

US News & World Report rankings both discipline and punish law schools
Educational rankings such as those produced by US News & World Report have an inescapable impact on law schools, according to research published in the February issue of the American Sociological Review, the flagship journal of the American Sociological Association.

Teens who frequently go out with friends more likely to use marijuana
Marijuana use appears to have decreased among most European and North American adolescents between 2002 and 2006, and those who went out with friends on fewer evenings of the week were less likely to report using the drug, according to a report in the February issue of Archives of Pediatrics & Adolescent Medicine, one of the JAMA/Archives journals.

Buying local isn't always better for the environment
Shopping locally may not be as good for the environment as having food delivered, according to new research by the University of Exeter.

Diversity work should be considered in tenure and promotion decisions, MU professor says
Many college campuses are striving to become more diverse in their faculty and student populations, but creating a diverse environment can be a challenging and demanding process for faculty members.

Cuba's maternal health and early childhood development: Lessons for Canada
Cuba's comprehensive approach to maternal health and early childhood development can be a model for Canada, writes Dr.

Rice eyes risks of quantum dots
A team of Rice researchers has been working to discover the health risks of quantum dots, molecule-sized semiconducting nanocrystals that are generally composed of heavy metals surrounded by an organic shell.

Pregnancy hormone predicts postpartum depression
Women who have higher levels of a hormone produced by the placenta midway through pregnancy appear more likely to develop postpartum depression, a study authored by a UC Irvine researcher finds.

Discovery fleshes out metabolism of key environmental and energy bacteria
Researchers have discovered a new enzyme in a species of bacteria with potential environmental cleanup and energy roles.

Newly described contaminant sources in Katrina-flooded homes pose health risks
Post-Katrina flooded homes may contain harmful levels of contaminants in addition to sediment deposits.

High-tech Texas hospitals see fewer complications, lower costs, UT Southwestern researcher finds
Texas hospitals using health information technologies had fewer complications, lower mortality rates and lower costs, a UT Southwestern Medical Center researcher has found.

Zinc supplements during pregnancy may counteract damage from early alcohol exposure
Animal research has shown that binge drinking -- even just once -- during early pregnancy can cause numerous problems for the fetus, including early postnatal death.

Driving under the influence (of stress): Regional effects of 9/11 attacks on driving
A new study reveals that there was an increase in the rate of traffic fatalities in the three months following the 9/11 attacks, but only in the Northeast, the region closest to the terrorist attacks.

New strategies to tackle medical ghostwriting are debated
Better strategies to tackle ghostwriting in the medical literature are the subject of a debate by leading authors in next week's issue of the open-access journal PLoS Medicine.

Animal eggs not suitable substitutes to produce stem cells
Since the cloning of Dolly the Sheep over a decade ago, somatic cell nuclear transfer has been considered a promising way to generate human, patient-specific stem cells for therapeutic applications.

Even with medication, asthma patients show chronic airflow changes in lungs
Using a special MRI technique, researchers have determined that the location and degree of airway narrowing in the lungs of asthma sufferers can be markedly persistent over time.

Gender bias found in student ratings of high school science teachers
A study of 18,000 biology, chemistry and physics students has uncovered notable gender bias in student ratings of high school science teachers.

Slow down -- Those lines on the road are longer than you think
How long are the dashed lines that are painted down the middle of a road?

Scattered light rapidly detects tumor response to chemotherapy
New technology developed by Duke University bioengineers can help clinicians more precisely detect whether specific cancer drugs are working, and should give basic researchers a powerful new tool to better understand the underlying mechanisms of cancer development.

American Chemical Society's Weekly PressPac -- Jan. 28, 2009
The American Chemical Society Office of Public Affairs Weekly Press Package with reports from 34 major peer-reviewed journals on chemistry, health, medicine, energy, environment, food, nanotechnology and other hot topics.

Inflammation in colon may get doused before fueling cancer development
Repeated inflammation that leads to colon cancer may have met its match.

Insulin is a possible new treatment for Alzheimer's
A Northwestern University-led research team reports that insulin may slow or prevent the damage and memory loss caused by toxic proteins (called ADDLs) in Alzheimer's disease.

Monash research breakthrough to treat malaria
A team of Monash University researchers led by Professor James Whisstock has made a major breakthrough in the international fight against malaria, which claims the life of a child across the world every 30 seconds.

Precise orbit determination for Jason-1 satellite using on-board GPS data with centimeter-level accuracy
The Jason-1 satellite obits have been computed using the on-board GPS data and the SHORDE-III procedure.

Vascular drug found to improve learning and memory in middle-aged rats
A team of Arizona psychologists, geneticists and neuroscientists has reported that a safe and effective drug used to treat vascular problems in the brain has improved spatial learning and working memory in middle-aged rats.

Workforce shortages in mammography could threaten early detection rates for breast cancer
At the current rate of production for new mammography professionals, there will be drastic reductions in the number of mammography professionals per woman age 40 years and older over the next 15-20 years, according to a study performed at the Center for Health and Workforce Studies at the Albany School of Public Health in Rensselaer, N.Y.

NASA astrophysicist Peter Serlemitsos wins Joseph Weber Award
The Joseph Weber Award for 2009 was conferred on Dr.

New insights into growth factor's role in brain development
New research sheds light on a neural growth factor called proBDNF, finding that it is present and potentially active during the perinatal period when the brain's circuitry and memory-encoding regions are being refined.

News from the February 2009 Journal of the American Dietetic Association
The February issue of the Journal of the American Dietetic Association features research studies focusing on everyday eating habits of consumers.

Combined measures of maternal drinking can predict resulting problems in children
Drinking during pregnancy can lead to a range of fetal alcohol spectrum disorders.

Mayo Clinic study finds younger men with erectile dysfunction at double risk of heart disease
Men who experience erectile dysfunction between the ages of 40 and 49 are twice as likely to develop heart disease than men without dysfunction, according to a new Mayo Clinic study.

Study reviews health risks, economic burden of migraine
A new study published in Value in Health reviews the economic burden of migraine in the US and recent clinical findings of the health risks of this neurological condition.

Neurobiological mechanisms in major depressive disorder
Genes, psychological adversity in childhood, and recent or ongoing psychological stress may combine to cause major depression, write Dr.

Research project to boost European fish farming
European fish farms are to be globally competitive and produce the best fish in terms of ethics and quality.

February Ophthalmology research highlights
Does cataract surgery increase the risk of vision loss in people with age-related macular degeneration?

The irony of harmony: Why positive interactions may sometimes be negative
By recognizing their inequalities, members of disadvantaged groups can mobilize and attempt to bring about social change.

BioScience tip sheet, February 2009
The press release lists peer-reviewed articles published in the February 2009 issue of BioScience.

Connectivity illuminates risk of spread of crop pests, diseases
Graphical analysis of the distribution of crops in the United States identifies crops and regions that might be particularly vulnerable to pathogens.

2 immune-system proteins linked to colitis-associated cancer
Recent research from the laboratory of Michael Karin, Ph.D., at the University of California, San Diego School of Medicine -- the first researcher to demonstrate a molecular link between inflammation and cancer -- has identified two potential targets for the prevention and treatment of colitis-associated cancer, the most serious complication of inflammatory bowel disease.

Researchers design re-engineered hospital discharge program to reduce rehospitalization
Researchers from Boston Medical Center and Boston University School of Medicine have designed a process to minimize discharge failures.

De-multiplexing to the max: 640 Gbits/second
Sliced light is how we communicate now. This slicing and dicing is generally done with an electro-optic modulator.

Controversial medication may decrease spasms for infants with epilepsy
The antiepileptic drug vigabatrin has been shown to be one of the best treatments against a special form of epilepsy in infants, called infantile spasm.

ACP: State of America's health care is poor
At the State of the Nation's Health Care briefing, ACP provided recommendations on how President Obama and Congress can take immediate, sustained, and dramatic steps to provide affordable and accessible health care to all Americans and provide every American with access to a primary care physician.

Rare skin tumor responds better to treatment than melanoma
University of Michigan researchers have learned that a type of skin tumor with many similarities to melanoma actually behaves quite differently.

Heavy marijuana use may damage developing brain in teens, young adults
Adolescents and young adults who are heavy users of marijuana are more likely than non-users to have disrupted brain development, according to a new study.

Microcoils help locate small lung nodules
A new technique combining computed tomography with fiber-coated surgical microcoils allows physicians to successfully locate and remove small lung nodules without the need for a more invasive procedure, according to a new study.

Ecologists report quantifiable measures of nature's services to humans
The idea of ecosystem services is a promising conservation concept but has been rarely put into practice.

Stevens Center for Science Writings honors economist Jeffrey Sachs with Green Book award
Jeffrey D. Sachs, an economist renowned for his international poverty-fighting efforts, has won the 2008 Green Book Award from Stevens Institute of Technology's Center for Science Writings.

Plant soybean early to increase yield
Planting date is probably one of the most important yet least expensive management decisions that significantly affects soybean yield, yet few scientists have studies the effect of early planting.

Targeted nanospheres find, penetrate, then fuel burning of melanoma
Hollow gold nanospheres equipped with a targeting peptide find melanoma cells, penetrate them deeply, and then cook the tumor when bathed with near-infrared light, a research team led by scientists at the University of Texas M.

FDA embraces a new review process and approves SNM's multi-center IND for FLT
SNM today announced FDA approval of an SNM-sponsored centralized multi-center investigational new drug (IND) application for 18F-labeled 3'-deoxy-3'-fluorothymidine (FLT).

Mammography utilization in the United States decreases: A state-level look
Nearly two thirds of the states in the US saw a small decrease in mammography utilization between the years 2000 and 2006, according to a study performed at the Centers for Disease Control and Prevention in Atlanta, Ga.

Radiologists overestimate their overall risk of malpractice lawsuits in breast imaging
Radiologists who work in breast imaging tend to overestimate their actual risk of medical malpractice lawsuits, according to a study performed at the University of Washington School of Public Health and Community Medicine in Seattle, Wash.

ISU researchers develop technique for quick detection of Salmonella
Byron Brehm-Stecher, ISU food science and human nutrition, has developed a quick technique for testing for the presence of Salmonella.

People without heart disease symptoms should use caution in obtaining cardiac imaging exams
At the radiation dose levels used in cardiac imaging exams, such as cardiac CT or nuclear medicine scans, the risk of potentially harmful effects from ionizing radiation are low.

Exercise after knee replacement critical
Exercising to strengthen your quadriceps after knee replacement surgery can boost the function of your new knee to nearly that of a healthy adult your age.

Differences in recovered memories of childhood sexual abuse
When a child experiences a traumatic event it may not be until well into adulthood that they remember the incident.

U of Minnesota study: Cellulosic ethanol may benefit human health and help slow climate change
Filling our fuel tanks with cellulosic ethanol instead of gasoline or corn-based ethanol may be even better for our health and the environment than previously recognized, according to new research from the University of Minnesota.

SSRIs may reduce suicide in adults
Selective serotonin reuptake inhibitors (SSRIs) may reduce the risk of suicide in depressed adults, according to a study by researchers from the World Health Organization and the University of Verona, Italy published in CMAJ.

Get excess salt out of our diet
Added salt in our diets is unnecessary and contributes to health problems such as hypertension and strokes, write Dr.

New vaccine developed for preventing 'uncommon cold' virus
Common colds typically cause a week of sneezing, aches and pains and then fade away leaving only a sore nose and a few used sick days behind.

Genetic change prevents cell death in mouse model of Parkinson's disease
By shifting a normal protective mechanism into overdrive, a University of Wisconsin-Madison scientist has completely shielded mice from a toxic chemical that would otherwise cause Parkinson's disease.

Animal trackers collaborate on new Google Earth for oceans
Animal tracking scientists from Global Tracking of Pelagic Predators program collaborate with Google so public can explore marine animal migrations. 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