Brightsurf Science News & Current Events

August 24, 2011
Scented laundry products emit hazardous chemicals through dryer vents
The researcher who used chemical sleuthing to uncover what's in scented products now has turned her attention to the air wafting from household laundry vents.

Study identifies chemical changes in brains of people at risk for Alzheimer's disease
A brain imaging scan identifies biochemical changes in the brains of normal people who might be at risk for Alzheimer's disease, according to research published in the Aug.

Common bacterium stops mosquitoes from transmitting dengue virus
Strains of a bacterium commonly found in fruit flies can prevent the Aedes aegypti mosquito from transmitting the virus that causes dengue fever, researchers have found.

Undernutrition in childhood, adolescence or young adulthood increases risk of heart disease later
A study of women who were children, teenagers or young adults during the Dutch famine in 1944-45 has shown that undernutrition, particularly in the adolescent years, is associated with an increased risk of coronary heart disease in later life.

Gene study sheds new light on origins of British men
New genetic evidence reveals that most British men are not descended from immigrant farmers who migrated east 5,000-10,000 years ago -- contrary to previous research.

Corp. social responsibility programs have little impact on stocks, according to Ben-Gurion U
The study found that there was no statistical difference between the stock performance of these companies and their counterparts, and that investors who are targeting CSR investments may do so knowing they will perform similarly to non-CSR investments.

UN Member States jeopardize international progress on non-communicable disease epidemic
EASL Governing Board expresses concerns regarding the current status of negotiations in the lead-up to the first ever High-Level Meeting on the Prevention and Control of Non-Communicable Diseases (HLM) to be held in New York in September.

Dow Kokam, ORNL sign agreement to boost lithium ion battery performance
Dow Kokam and the Department of Energy's Oak Ridge National Laboratory are working together to enhance the Michigan-based company's capabilities to develop and commercialize advanced lithium ion batteries.

Society of Interventional Radiology findings support PAD care; Legs For LifeĀ® gears up
Two articles in the Journal of Vascular and Interventional Radiology report on studies related to peripheral arterial disease or PAD -- coinciding with the approach of September's National PAD Awareness Month.

Scientists reengineer antibiotic to overcome dangerous antibiotic-resistant bacteria
A team of scientists from the Scripps Research Institute have successfully reengineered an important antibiotic to kill the deadliest antibiotic-resistant bacteria.

Researchers detail how a distant black hole devoured a star
Two studies appearing in the Aug. 25 issue of the journal Nature provide new insights into a cosmic accident that has been streaming X-rays toward Earth since late March.

Three-quarters of those who have lost jobs and health insurance are skipping needed health care
Nearly three-quarters (72 percent) of people who lost their health insurance when they lost their jobs over the last 2 years said that they skipped needed health care or did not fill prescriptions because of cost, according to a new Commonwealth Fund report.

GSA Bulletin highlights: New research posted 19 August 2011
Research topics in the latest GSA BULLETIN posting include: the study of paleo-hurricane records from South Carolina marshlands; geochronology of the Chinle Formation that provides new insights into early dinosaur evolution; water tracks in Antarctica; analysis of magma ascent in large-scale volcanic systems; deep-seated, non-eruption produced volcano collapse and the role of weak bedrock foundation; the transportation of suevite; and a refined timeline of deposition to the famous fossil-rich deposits in the Cibao basin.

Researcher finds altered cerebella in those with Down syndrome
A scientist investigating why those with Down syndrome often have poor motor skills has found their eye reflexes significantly altered.

Researchers produce detailed map of gene activity in mouse brain
A new atlas of gene expression in the mouse brain provides insight into how genes work in the outer part of the brain called the cerebral cortex.

Eradicating dangerous bacteria may cause permanent harm
In the zeal to eliminate dangerous bacteria, it is possible that we are also permanently killing off beneficial bacteria as well, posits Martin Blaser, M.D., Frederick H.

Emil Bjerrum-Bohr receives 10 million kroner to research the mysteries of particle physics
Emil Bjerrum-Bohr, a physicist at the Niels Bohr Institute, has been awarded 10 million kroner by the Lundbeck Foundation for the establishment of his own research group, which will study the mysteries of high energy physics by building a bridge between theoretical physics and experiments currently taking place at CERN.

UCSF study shows greater impact of chemotherapy on fertility
Current estimates of the impact of chemotherapy on women's reproductive health are too low, according to a University of California, San Francisco (UCSF) study.

Researchers identify protein essential in transmission of Ebola virus
Researchers at Brigham and Women's Hospital used a robotic method to screen tens of thousands of compounds and identified a novel small molecule derived from benzylpiperazine adamantyl diamide that inhibits EboV entry into cells by more than 99 percent.

Exercise can substitute effectively as second 'medication' for people with depression
Exercise can be as effective as a second medication for as many as half of depressed patients whose condition have not been cured by a single antidepressant medication.

George Mason research team uncovers new factor in HIV infection
A George Mason University researcher team has revealed the specific process by which the HIV virus infects healthy T cells -- a process previously unknown.

Protein essential for Ebola virus infection is a promising antiviral target
Two research teams report identifying a critical protein that Ebola virus exploits to cause deadly infections.

American Chemical Society launches Spellbound video series on how kids become scientists
For one scientist, the road to a Nobel Prize began with a sign on his bedroom door calling him

Researchers find 'key' used by ebola virus to unlock cells and spread deadly infection
Researchers at Albert Einstein College of Medicine of Yeshiva University have helped identify a cellular protein that is critical for infection by the deadly Ebola virus.

New Keck award spurs research for low-cost, mass measurements
A recent four-year, $1 million grant from the W. M.

Game-changing project combines anxiety therapy and video games
A team of students and faculty from Rochester Institute of Technology and St.

Climate cycles are driving wars, says study
In the first study of its kind, researchers have linked a natural global climate cycle to periodic increases in warfare.

Researchers unravel mystery of how we detect life
New research sheds light on how human beings visually detect the presence of a living being, even if it isn't immediately recognizable as animal or human.

Single protein, key to ebola virus infection, could aid in drug design
Research published by two teams of Army scientists and collaborators has identified a cellular protein that plays a critical role in Ebola virus infection.

Irene becomes a major hurricane on GOES-13 Satellite video
When a satellite can see a hurricane's eye clearly from space, that's an indication of a strong tropical cyclone and the GOES-13 satellite saw just that in Hurricane Irene this morning as she became a major hurricane.

Feeding the five thousand -- or was it three?
The public should view crowd estimation with skepticism, say the authors of a study published today in Significance, the magazine of the Royal Statistical Society and the American Statistical Association, as they suggest more reliable alternatives to current estimating methods.

American Chemical Society podcast: Questions about the safety of nanoparticles in food crops
With the curtain about to rise on a much-anticipated new era of

Database of water, wastewater pipeline infrastructure systems to be launched Sept. 1
A national database on technologies to assess the conditions and rehabilitation of the underground pipes will be available to utilities and the general public, starting on Thursday, Sept.

Novel control of Dengue fever
The spread of Dengue fever in northern Australia may be controlled by a bacterium that infects mosquitoes that harbor the virus, Australian and US researchers report Aug.

UofL experts featured at free Alzheimer's disease conference Sept. 17
The University of Louisville Schools of Medicine and Nursing join with the Greater Kentucky and Southern Indiana Chapter of the Alzheimer's Association to present

Three-part handoff delivers proteins to membrane surface
The delivery system for an important class of proteins in the cell membrane can be fully replicated with a mere three components, according to a new study.

A question of gene silencing
Our genome contains numerous genes which do not code for the production of proteins.

New nanoscale parameter by Aalto University resolves dilemmas on silicon property
The new discovery by Aalto University can have major impact on future nanoscale device design, such as ultraviolet photo detectors and drug delivery.

Landmark law and neuroscience network expands at Vanderbilt
Vanderbilt University has been awarded a $4.85 million grant from the John D. and Catherine T.

'Time cells' bridge the gap in memories of event sequences
New research published by Cell Press in the Aug. 25 issue of the journal Neuron finds that there are neurons in the hippocampus that encode every sequential moment in a series of events that compose a discrete experience.

Study: 85 percent of homeless people have chronic health conditions
More than eight out of 10 homeless people surveyed by researchers at St.

Scientists identify point of entry for deadly Ebola virus
Using an unusual human cell line of this type, Whitehead Institute researchers and their collaborators performed a genetic screen and identified a protein used by Ebola virus to gain entry into cells and begin replicating.

Build music with blocks: Audio d-touch
Researchers at the University of Southampton have developed a new way to generate music and control computers.

VLT looks into the eyes of the virgin
ESO's Very Large Telescope has taken a striking image of a beautiful yet peculiar pair of galaxies nicknamed The Eyes.

Study of HIV increase in Pakistan could benefit other research
Rates of HIV have increased in Pakistan's general population, as the virus has spread beyond at-risk groups to women and their children, according to an international team of researchers, including a University of Florida scientist.

Sexual satisfaction tied to overall 'successful aging' as reported by women age 60 to 89
A study by researchers at the Stein Institute for Research on Aging at the University of California, San Diego finds that successful aging and positive quality of life indicators correlate with sexual satisfaction in older women.

Virginia Tech Photonics Center to develop sensors to keep power systems clean, safe
Looking for novel sensing technologies that will aid in everything from clean energy technology to the monitoring of various gases, the US Department of Energy (DOE) and the Electric Power Research Institute (EPRI) have selected Virginia Tech's Center for Photonics Technology to lead efforts in three unique projects.

Obama: Our 22nd greatest president?
As if President Barack Obama doesn't already have enough to worry about, a statistical analysis of presidential ranking surveys suggests that he is likely to be viewed as an

FDA clears new IMMY and University of Nevada, Reno life-saving blood test
The Food and Drug Administration has cleared a new diagnostic test that will help save the lives of hundreds of thousands of AIDS patients stricken with cryptococcosis, a fungal meningitis.

Commonly prescribed antibiotic reduces acute COPD attacks
Adding a common antibiotic to the usual daily treatment regimen for chronic obstructive pulmonary disease (COPD) can reduce the occurrence of acute exacerbations and improve quality of life, reports new results from a clinical trial funded by the National Heart, Lung, and Blood Institute (NHLBI), part of the National Institutes of Health.

Hawaii receives funding for liver cancer research
Scientists from the University of Hawaii Cancer Center and the Queen's Medical Center have received a $2.3 million grant from the National Cancer Institute to develop novel methods to better detect liver cancer through the joint analysis of gene expression and imaging data of the liver.

Discovery of a 160-million-year-old fossil represents a new milestone in early mammal evolution
A remarkably well-preserved fossil discovered in northeast China provides new information about the earliest ancestors of most of today's mammal species -- the placental mammals.

Cluster headache -- it's nice when it stops
Cluster headache has a substantial detrimental effect on quality of life.

Learning information the hard way may be best 'boot camp' for older brains
Canadian researchers have found the first evidence that older brains get more benefit than younger brains from learning information the hard way -- via trial-and-error learning.

Recipients of the 2011 Postdoctoral Professional Development and Enrichment Award
The FASEB MARC Program is pleased to announce the selection of six early career scientists as recipients of the 2011 FASEB Postdoctoral Professional Development and Enrichment Award.

Bone marrow transplantation may increase cancer resistance in patients
Bone marrow transplantation with genetically modified cells may prolong the period of cancer-free survival, suggests a study led by Dr.

Stem cells derived from human amniotic fluid hold promise
Human amniotic fluid provides a rich source of stem cells that can be isolated and transplanted for therapeutic purposes.

Cholera pandemic's source discovered
Researchers have used next generation sequencing to trace the source and explain the spread of the latest cholera pandemic.

UC Davis researchers find disease-causing fat cells in those with metabolic syndrome
UC Davis Health System researchers have discovered biological indicators that help explain why some obese people develop chronic diseases such as diabetes and heart disease, and others do not.

Mechanism links substance abuse with vulnerability to depression
A new study finds that repeated cocaine use increases the severity of depressive-like responses in a mouse model of depression and identifies a mechanism that underlies this cocaine-induced vulnerability.

Females choose mates for their personalities, study shows
Adventurous females choose mates with similar personalities, regardless of the male's appearance and other assets, according to research led by the University of Exeter.

Protecting cells
Scientists at Northwestern University report a surprising discovery that offers a possible new route for the treatment of neurodegenerative diseases. 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