Brightsurf Science News & Current Events

December 05, 2006
Cancer drug side effect caused by cell 'pump' problem
A troublesome side effect caused by some cancer drugs appears to be caused by a broken

U of M study shows promoting self-weighing in teens is not helpful to weight management
Teenage girls who weigh themselves frequently are more likely to binge eat and participate in unhealthy weight control behaviors in the future, according to new research from the University of Minnesota School of Public Health.

Low self-esteem? Avoid crime novels with surprise endings
Not everyone enjoys a murder mystery with a surprise ending, new research suggests.

Examining molecular imaging's hot future
The December issue of the Journal of Nuclear Medicine carries specific conclusions and recommendations on how the medical community can harness the power of molecular imaging and therapy to manage diseases and improve the quality of life for patients.

Other highlights in the Dec. 6 JNCI
Other highlights in the Dec. 6 JNCI include an Italian model that predicts the risk of breast cancer, a study showing chemotherapy can cause a cognitive decline in some patients, a common genetic variant that is linked to drug-induced diarrhea, a protein that signals poor prognosis in some breast cancer patients and specific genetic changes that are linked to colon cancer in smokers.

Stretch a DNA loop, turn off proteins
It may look like mistletoe wrapped around a flexible candy cane.

Symposium 'Changes on Earth' honors Yale Geologist Robert Berner
Robert A. Berner, the Alan M. Bateman Professor of Geology and Geophysics, a pioneer in the study of the geologic history of atmospheric oxygen and carbon dioxide, is being honored with a two-day symposium December 8 and 9 on the occasion of his retirement.

CSIRO demonstrates world's fastest wireless link
CSIRO researchers demonstrate the fastest and most efficient wireless link ever achieved.

Penn researchers discover initial steps in the development of taste
Researchers at the University of Pennsylvania School of Medicine are closer to understanding how the sense of taste develops.

BioMed Central announces Journal of Medical Case Reports
BioMed Central, the leading open access publisher, today announced the launch of Journal of Medical Case Reports, the only journal in the world that is devoted purely to case reports.

Brown and OTS will jointly manage new ILTER network secretariat
Ecological disturbance drives many pressing global concerns but is often measured at the local scale.

Pioneering study shows richest 2 percent own half world wealth
The richest 2 percent of adults in the world own more than half of global household wealth according to a path-breaking study by the Helsinki-based World Institute for Development Economics Research of the United Nations University (UNU-WIDER).

Working parents concerned about after-school care, companies losing billions in job productivity
Millions of working fathers and mothers are less productive at work due to concerns about what their children are doing in the after-school hours, according to a new study released today by Catalyst, the leading nonprofit research and advisory organization working to build inclusive environments and expand opportunities for women at work.

Why we buy bad gifts for the ones we love most
This holiday season, another woman who loves the rock band No Doubt will receive a plaid skirt that only the band's singer, Gwen Stefani, could pull off.

Making sense of sensors
As sensor technology has exploded, fundamental questions about how to integrate information from many sensors have come to the forefront.

Jefferson researchers develop combined procedure for uterine preservation in treating fibroids
Although fibroids can cause pelvic pain, abnormal vaginal bleeding and infertility, women of childbearing age often choose to forego treatment because the options don't guarantee fertility.

RAND study finds adolescent Asian immigrants improve their good health habits over time
The good health habits of adolescent Asian immigrants improve with each generation born in the United States, but health habits among adolescent Latino immigrants generally remain poor or become worse in succeeding generations, according to a RAND Corporation study issued today.

Blacks less likely to recognize overweight and obesity, study shows
Overweight black Americans are two to three times more likely than heavy white Americans to say they are of average weight -- even after being diagnosed as overweight or obese by their doctors, according to a study led by Dana-Farber Cancer Institute researchers.

Study shows cats can succumb to feline Alzheimer's disease
Ageing cats can develop a feline form of Alzheimer's disease, a new study reveals.

Newts which regrow their hearts
Max Planck scientists reveal the molecular details of regeneration in newts.

PET imaging shows young smokers quick benefit of quitting
The early stages of coronary artery disease in young smokers can be reversed quickly if they choose to put out their cigarettes for good, according to a positron emission tomography (PET) imaging study in the December Journal of Nuclear Medicine.

Buyer's remorse? How about not-buying remorse?
A groundbreaking new study in the December issue of the Journal of Consumer Research finds that now-or-never buying situations (most commonly experienced at destination retailers) create a notable exception to buyer's remorse.

Feeling sad about Iraq? New research finds that it won't keep you from buying American products
The United States' involvement in Iraq has generated a lot of debate about the potential impact on American businesses abroad.

Whole-body scans may provide option for diagnosing colorectal cancer
Preliminary research suggests that whole-body PET and CT scans could provide a suitable method for diagnosing the stage of colorectal cancer, according to a study in the Dec.

Research suggests new treatment approaches for glaucoma
New research from Children's Hospital Boston and the Massachusetts Eye and Ear Infirmary may help explain how glaucoma causes blindness, revealing the chain of events that ultimately damage the optic nerve, preventing visual information from getting to the brain.

Reef sharks threatened by overfishing
Research by scientists at the ARC Centre of Excellence for Coral Reef Studies and James Cook University has warned that coral reef shark populations on the Great Barrier Reef are in the midst of a catastrophic collapse.

Dually porous glass shows promise in helping damaged bone regenerate
Researchers from Lehigh and Princeton Universities join with colleagues from Egypt and Portugal to take aim at osteoporosis and other bone disorders.

How movement lubricates bone joints
Researchers have shown that sliding forces applied to cartilage surfaces prompt cells in that tissue to produce molecules that lubricate and protect joints, an important step toward their goal of eventually growing joint tissue for transplantation.

Does Omega 3 protect against ADHD?
A new study will provide further understanding about the effects of omega-3 fatty acids on the brain function of children with Attention Deficit Hyperactivity Disorder.

New research identifies gene important for nicotine's effects on the brain
New research identifies an important gene that influences several aspects of nicotine-induced behaviors in the brain.

New research sheds light on stroke development
A new study examines the usefulness of diffusion weighted imaging (DWI), a process of scanning and mapping the brain, in establishing the relationship between abnormalities in the cardiovascular system and stroke.

Environmental markets theme for February meeting in Houston
The conference aims to help society find practical ways, through marketplace incentives, to protect ecosystems.

Renowned adhesion expert elected Fellow of American Physical Society
Chaudhury, a professor of chemical engineering, is credited with helping to launch a new field of interfacial fluid mechanics.

Carnegie Mellon researchers uncover online auction fraud
Computer scientists at Carnegie Mellon University are using data mining techniques to identify perpetrators of fraud among online auction users as well as their otherwise unknown accomplices.

Rural students lag behind in sub-Saharan Africa
A new study in the current issue of Comparative Education Review reveals the discrepancy between the actual state of education in sub-Saharan Africa and the educational goals outlined in the United Nation's Education for All (EFA) and Millennium Development Goals (MDG) programs a decade ago.

Dreaming of a nanotech Christmas: What persuades the public to embrace and buy nanotechnology?
The results of the first large-scale empirical study of how consumers consider risks and benefits when deciding whether to purchase or use specific nanotechnology products will appear in the December 2006 issue of the journal Nature Nanotechnology.

January-February 2007 GSA Bulletin media highlights
Geology topics of interest include: Two New Zealand supervolcanoes that erupted only days or weeks apart; remarkably detailed K-T boundary evidence from the tropical Atlantic's Demerara Rise supporting a single impact event; and human impact on continental erosion and sedimentation.

World's largest clinical trial into rare bone cancer 'well underway' conference hears
The world's largest study aimed at improving the treatment of a rare type of bone cancer that mainly affects children and young adults is well underway, an international conference was told.

Learning during sleep?
Max Planck researchers in Heidelberg are investigating communication between memory areas during sleep.

Virtual reality can improve memory -- perhaps too much
A new study tested how well people used a camera after learning about its functions two different ways: Either through an interactive virtual rendition or through text and static pictures.

Changes in dietary protein may override inherited skeletal abnormalities
Eating a diet with either high or low amounts of protein may override certain inherited developmental malformations of the skeleton, according to a new report in the December issue of the journal Cell Metabolism, published by Cell Press.

Nothing personal -- Study shows how caring sentiments can affect business sense
Imagine you are selling a used car on eBay. You will demand a higher price for the car if your toddler is sitting on your lap, says surprising new research from the December issue of the Journal of Consumer Research.

Cell phone use not linked to cancer risk
Long- or short-term cell phone use is not associated with increased cancer risk, according to a study in the Dec.

Genetic experts investigate causes of harmful metabolic disorder
University of Cincinnati researchers have received more than $1.6 million from the National Institute of Diabetes and Digestive and Kidney Diseases to study genetic causes of metabolic syndrome, a disorder that can lead to cardiovascular disease and diabetes.

Postpartum depression is a major public health problem that requires more resources
Childbearing is a potent event in the lives of women, a particularly vulnerable time for developing or exacerbating psychiatric illness, say University of Pittsburgh School of Medicine researchers in an editorial published in the December 6 edition of the Journal of the American Medical Association.

Taste test may identify best drugs for depression
New research has shown that it might be possible to use taste as an indicator as to whether someone is depressed, and as a way of determining which is the most suitable drug to treat their depression.

Southern Ocean could slow global warming
A new climate model predicts that the Southern Hemisphere westerly winds' shift poleward will store carbon dioxide and heat in the deep ocean.

More common associations found between BRCA1 and BRCA2 mutations and cancer
BRCA1 and BRCA2 mutations may be more common in the general population than previously reported and may be associated with ovarian, breast, testicular and pancreatic cancers, according to a study in the Dec.

How mammals fuel milk production may have implications for cancer
In a new study in the December issue of the journal Cell Metabolism, published by Cell Press, the researchers found that one of three

Research yields new insights into the cause of diabetes
The cause of insulin-dependent, permanent diabetes in newborn babies may be a deficiency in the PERK enzyme during a critical period of development before birth, according to a new hypothesis be published in the journal Cell Metabolism on Dec.

Consumers neutral on risks, benefits of nano
The largest, most comprehensive survey of public perceptions of nanotechnology products finds US consumers are willing to use specific nano-containing products -- even if there are health and safety risks -- when the potential benefits are high.

River-shelf interactions during spring floods in the coastal Beaufort Sea
Invited research paper to be presented at the Fall American Geophysical Union conference in San Francisco, December 11-15.

Professional fasters deep under the sea floor
An international team of researchers finds that natural radioactivity could provide microbes in the Deep Biosphere with vitality.

RAND to review renewable energy study and will issue corrected version
The RAND Corporation today announced that it is revising a study on renewable energy expenditures issued November 13 after learning there were some inadvertent errors in the computer model and numerical assumptions on which the study findings were based.

Authoritative new book on epigenetics published by CSHL Press
Epigenetics -- the study of heritable traits that are not attributable to alterations in DNA sequence -- has provided substantial insight into fundamental biological processes, including the development of stem cells, the mechanics of gene regulation, and the basis of some human diseases.

Children's Hospital researcher leads multipronged attack on infant leukemia
While survival rates for childhood leukemia have dramatically improved over the past 30 years, infants with this disease continue to face difficult odds.

November/December 2006 Annals of Family Medicine tip sheet
This tip sheet provides summaries of the studies published in the November/December issue of Annals of Family Medicine and cover topics such as antibiotic use for rhinosinusitis and sore throat, the impact of the 2004 flu vaccine shortage and other clinical topics.

Book by Binghamton University psychology professor focuses on terrorism
Terrorism has plagued the United States throughout its history, though some seem to believe it began with the Oklahoma City bombing and the September 11 attacks.

Protein-based tumor biomarker predicts breast-cancer survival
The first and largest clinical trial of its kind confirms that a protein called p27 may be a valuable tool for predicting survival after a diagnosis of breast cancer.

Researchers find that screening children for heart disease risk helps to identify parents at risk
Screening children for risk factors associated with cardiovascular disease can help identify parents at risk for the condition, providing an opportunity for medical intervention in both children and their parents, according to research at Children's Hospital of Pittsburgh of UPMC.

First-time mothers at increased risk for postpartum mental disorders
New mothers are at an increased risk for mental disorders such as schizophrenia, depression and bipolar disorder in the three months following the birth of their first child, according to a study in the Dec.

A chilling solution: Measuring below-ground carbon without destroying trees
USDA Forest Service (FS) researchers have provided the first proof of concept for a method that allows scientists to study below-ground carbon allocation in trees without destroying them. 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