Brightsurf Science News & Current Events

February 09, 2006
Mice lacking social memory molecule take bullying in stride
The social avoidance that normally develops when a mouse repeatedly experiences defeat by a dominant animal disappears when it lacks a gene for a memory molecule in a brain circuit for social learning, scientists have discovered.

Kidney cancer patients may be overtreated, U-M study finds
A less aggressive type of surgery designed to spare healthy organ tissue is used infrequently to treat early-stage kidney cancer, according to researchers at the University of Michigan Comprehensive Cancer Center.

A clue to core problem of neurodegenerative disease and cell death
Misfolded and damaged proteins are common to all human neurodegenerative diseases, but explanations for the mechanism that kills neurons have varied widely.

Social stress in mice is controlled by genetic pathway, researchers find
Deleting a specific gene in the brain has the same effect that antidepressants do in mice that have been conditioned to be depressed, report researchers at UT Southwestern Medical Center.

How traumatized children survive: Academy meeting focuses on the resilience of children
The New York Academy of Sciences will present a three-day conference, Resilience in Children, on February 26-28 in Arlington, Virginia.

The future of nutritional genomics is collaboration
Nutrigenomics experts worldwide have aligned, and they are calling for teamwork.

Concerns over influence of tobacco firms in low income countries
This week's BMJ raises serious concerns about the influence of global tobacco companies when they invest in low income countries.

Children with severe epilepsy need special precautions at home to prevent accidents
Children with severe epilepsy need special safety measures at home to lower their risk of having an accident, states a Seminar in this week's issue of The Lancet.

Accumulator ring commissioning latest step for spallation neutron source
The Department of Energy's Spallation Neutron Source, located at Oak Ridge National Laboratory, has passed another milestone on the way to completion this year -- the commissioning of the proton accumulator ring.

New position stand issued on the female athlete triad
On the eve of the 2006 Winter Olympics, the International Olympic Committee Medical Commission has issued a Position Stand on the Female Athlete Triad which appears in the International Journal of Eating Disorders today.

Intimate kissing quadruples risk of meningitis in teenagers
Intimate kissing with multiple partners almost quadruples a teenager's risk of meningococcal disease, finds a study published online by the BMJ today.

Reading and behavior problems intertwined in boys
Researchers from King's College London and the University of Wisconsin-Madison studied the link between reading and behavior problems in boys.

Climate change may affect length of respiratory infection season
Rising global temperatures over the past two decades may be responsible for a shortened season of a serious respiratory illness in the United Kingdom, according to an article in the March 1 issue of Clinical Infectious Diseases, now available online.

The Valentine's Day candy dish
When it comes to candy, it is out of sight, out of the mouth, a Cornell University researcher finds.

Biology inspires perceptive machines
Teaching a machine to sense its environment is one of the most intractable problems of computer science, but one European project is looking to nature for help in cracking the conundrum.

50th implant of VentrAssist
Ventracor (ASX: VCR) today announced the 50th implant of its VentrAssist left ventricular assist device (LVAD).

Metabolic acidosis associated with an increased mortality rate
Critically ill patients with metabolic acidosis are twice as likely to die as patients who do not have metabolic acidosis.

JCI table of contents, February 9, 2006
Papers to be published online on February 9 in the Journal of Clinical Investigation include studies on emphysema, limiting tumor spread, death-resistant T cells in female mice with lupus, the side effects of autoimmune disease therapy and the role for the cystic fibrosis gene in the kidney.

Frozen methane chunks not responsible for abrupt increases in atmospheric methane
Icy chunks of frozen methane and water are not responsible for the periodic increases in atmospheric methane recorded in Greenland ice cores, according to a Penn State geoscientist.

Turkish scientist's discovery of how proteins work
For his discovery of how proteins work within cells, Ahmet Yildiz, a regional winner from North America and the Grand Prize winner, today was named to receive the $25,000 Young Scientist Award, supported by GE Healthcare and the journal Science.

Event news from Perimeter Institute for Theoretical Physics in Waterloo, Canada
The Perimeter Institute for Theoretical Physics will host

Rutgers researchers 'rewrite the book' in quantum statistical physics
An important part of the decades-old assumption thought to be essential for quantum statistical physics is being challenged by researchers at Rutgers University and colleagues in Germany and Italy.

Radiologic signs more than double sensitivity of MRIs
Radiologists can make a more accurate preoperative diagnosis of damage to knee cartilage by using four radiologic 'signs,' a recent study found.

Internet television, e-science, smart optics for detecting structural failures
Researchers will announce some of the latest breakthroughs and innovations in optics-based communications at OFC/NFOEC 2006 -- the largest and most comprehensive international event for optical communications.

Inflammatory reaction drives hormone resistance in cancer, study suggests
In the February 10, 2006 Cell, researchers report new evidence to explain why prostate cancer and other hormone-dependent cancers may become resistant to hormone therapies.

Consortium of Multiple Sclerosis Centers hosts webcast
A one-hour webcast and teleconference with an interactive Q&A session, hosted by Consortium of Multiple Sclerosis Centers will describe the contemporary vision of multiple sclerosis (MS): the advantages of a comprehensive approach to management; innovative long-term disease management strategies; and an overview of the science of MS and the role of therapy.

Parents who fight may harm children's future emotional development
A study conducted at the universities of Notre Dame, Rochester and Catholic University of America shows a connection between parental conflict and children's future behavior.

No evidence that melatonin is effective in treating jet lag
There is no evidence that melatonin is effective in treating secondary sleep disorders or preventing jet lag, finds a study published online by the BMJ today.

Children's distress over parental conflict continues over time
Conflict between spouses leads to negative thoughts and distress in their children that continues over time.

New Georgia Tech probe revolutionizes nano imaging
Georgia Tech has developed a new probe for AFM (the primary tool for nano-scale imaging) capable of high-speed imaging 100 times faster than current AFM.

Biologists visualize protein interaction that may initiate viral infection
Biologists at Purdue University have taken a

Biosense Webster receives FDA approval for technology to treat patients with heart rhythm disease
The US Food and Drug Administration (FDA) today approved an innovative combination of technologies that will enhance a doctors' ability to treat patients with abnormal heart rhythms (cardiac arrhythmias).

A new way of looking at molecular motors
An innovative way of categorizing myosin, one of three molecular motors that produce movement within cells of the body, has dramatically increased the amount of information available about these essential proteins.

Researchers assemble second non-human primate genome
A multi-center team has deposited the draft genome sequence of the rhesus macaque monkey into free public databases for use by the worldwide research community, the National Human Genome Research Institute (NHGRI), one of the National Institutes of Health (NIH), announced today.

FSU biologist says new dinosaur is oldest cousin of Tyrannosaurus rex
Florida State University paleobiologist Gregory M. Erickson sliced up some ancient dinosaur bones uncovered in China to help an international team of scientists identify a new genus and species.

Worst off will be most at risk under partial smoking ban
A partial as opposed to a full ban on smoking in public places could put those living in the most socially deprived areas of the country at most risk, warn doctors writing in this week's BMJ.

Excisional treatments for pre-cancerous cervical cells could lead to problems in pregnancy
Some of the techniques used to treat abnormal cervical cells could increase a woman's risk of problems in pregnancy, concludes a meta-analysis in this week's issue of The Lancet.

NJIT professor discovers better way to desalinate water
Chemical engineer Kamalesh Sirkar, PhD, a distinguished professor at New Jersey Institute of Technology (NJIT) and an expert in membrane separation technology, is leading a team of researchers to develop a breakthrough method to desalinate water.

It's in the genes: Study opens door to new treatment of the blues
A Florida State University scientist in Tallahassee, Fla., used a gene transfer technique to block the expression of a gene associated with clinical depression in a new study of mice that could lead to better treatment of human beings with this condition.

Medieval diaries aid scientists ascertain increase in hot spots due to global warming
The temperature of the Northern Hemisphere has increased over a larger area in the last century than at any time in the past millennium a report published in Science reveals this week.

Social first graders more likely to become good readers
This study examined the connection between academic performance and aggressive behavior in low-income children over the course of six years.

Kaboom! Ancient impacts scarred moon to its core, may have created 'man in the moon'
Ohio State University planetary scientists have found the remains of ancient lunar impacts that may have helped create the surface feature commonly called the

Sound nutrition for children is an unmet human right
At the annual World Food Prize International Symposium, one expert highlighted global nutrition crises, noting that child malnutrition must be addressed in the development process with intervention programs and policies that target all aspects of the problem from wasting to obesity.

Veggies contain chemicals that boost DNA repair and protect against cancer
New research at Georgetown University Medical Center uncovers a molecular basis for why eating your vegetables can improve health.

The nanoworld of corrosion
Scientists from Germany and the European Synchrotron Radiation Facility (ESRF) have highlighted a self-organization process on the surface of a metal alloy, which is of crucial importance in determining the response to corrosion of this material.

Take meds as directed, reduce overall healthcare costs
Spend the money on medications now and save close to $4,000 in annual healthcare costs.

One of the nation's first 7-Tesla magnetic resonance imaging devices for human studies planned at UT Southwestern Medical Center
Former Texas Gov. William P.

Coalition applauds bill to repeal cosmetic surgery tax
The Coalition to Stop Medical Taxes applauds the introduction of a bill to repeal New Jersey's tax on cosmetic surgery procedures.

New analysis shows three human migrations out of Africa
A new, more robust analysis of recently derived human gene trees by Alan R.

Volcanic signatures persist in oceans
Ocean temperatures may have risen even higher during the last century if it weren't for volcanoes that spewed ashes and aerosols into the upper atmosphere.

Naps key to surviving the hospital night shift
A nap is a doctor's

Bradley Hospital responds to FDA report on ADHD drugs
In response to the recent FDA report linking ADHD drugs such as Ritalin to the deaths of 25 people, Bradley Hospital, the nation's first psychiatric hospital for children, and pioneer in the use of Benzedrine (a close relative of Ritalin) to treat attention disorders in children, has issued a statement.

Culture shapes the winner
Japanese and Americans don't see eye-to-eye on how athletes achieve gold.

Alzheimer's disease neuroimaging study launched nationwide by National Institutes of Health
The Alzheimer's Disease Neuroimaging Initiative -- a project developed by the National Institutes of Health -- is seeking 800 older adults to participate in a study aimed at identifying biological markers of memory decline and Alzheimer's disease.

UF engineer develops tiny, easily mass-produced motion sensor
A University of Florida engineer is the latest researcher to design a tiny, easy-to-manufacture motion sensor, a development that could help popularize the sensors as standard equipment in personal electronics, medical devices and other applications.

Parental conflict may affect children's behavior and learning by disrupting their sleep
A new study conducted at Auburn University and Brown University found that parental conflict might negatively affect children by disrupting their sleep.

Study shows media coverage on flu influences parents to vaccinate their children
Media coverage about influenza and the importance of flu shots influenced parents to vaccinate their children against the influenza virus, according to a study done by researchers and information officers at Vanderbilt University Medical Center.

Paternalism not to blame for failure to implement resuscitation policies
Many seriously ill patients admitted to hospital cannot discuss resuscitation in line with current guidelines, finds a study published online by the BMJ today.

Macrophage signaling may affect hormone resistance in prostate tumors
Interaction between prostate cancer cells and immune cells called macrophages may be a source of inflammatory signals capable of impacting the effectiveness of androgen antagonists, the most common and effective treatment for prostate cancer, according to a new study by researchers at UCSD School of Medicine.

Many new immigrants to US change diet -- and not for the better
Coming to the land of milk and honey can be hazardous to new immigrants' diet and health.

U of MN researchers develop way to visualize synchronized interactions of nerve cells in the brain
Researchers at the University of Minnesota Medical School and the Brain Sciences Center at the Minneapolis VA Medical Center have discovered a new way to assess how brain networks act together.

The smoking gun: Elastin fragments drive emphysema
Researchers at Harvard Medical School in Massachusetts have prevented emphysema in mice exposed to cigarette smoke by treating them with an antibody against lung elastin fragments.

Survey links altruism and romantic love
In the nation's first survey of altruistic love, scholars have found that people who have strong feelings of love for people in general are more likely to have strong romantic relationships.

IU School of Medicine scientists testing stem cells for peripheral artery disease
Indiana University School of Medicine scientists have begun a unique clinical trial using stem cell injections as a treatment that could offer hope to tens of thousands of people who face sores, ulcers and even amputations due to severe peripheral artery disease. 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