Brightsurf Science News & Current Events

May 04, 2009
New data analysis shows possible link between childhood obesity and allergies
A new study indicates there may be yet another reason to reduce childhood obesity -- it may help prevent allergies.

Animals on runways can cause serious problems at small airports
A Purdue University study of 10 small Indiana airports found that animals can gain easy access to runways and infield area, increasing the likelihood of planes striking those animals.

New early detection studies of lung cancer in nonsmokers launched today
Government and private sector cancer scientists today launched a research partnership to find biomarkers for lung cancer that develops in people who have never smoked.

Unprecedented use of DDT concerns experts
The current practice of spraying DDT indoors to fight malaria is leading to unprecedented -- and insufficiently monitored -- levels of exposure to the pesticide, say experts concerned about the risk to human health.

Injectable testosterone may provide effective male contraception
Researchers in China may have found a method for male contraception that is effective, reversible and without serious short-term adverse effects according to a new study accepted for publication in the Endocrine Society's Journal of Clinical Endocrinology and Metabolism.

Exercise programs may improve symptoms in non-small cell lung cancer patients
Researchers at Massachusetts General Hospital found that exercise impacts the health and quality of life of patients with an advanced or incurable lung cancer diagnosis.

Cigarette smoke may rob children of needed antioxidants
Children exposed to cigarette smoke have lower levels of antioxidants, which help the body defend itself against many biological stresses, according to new research by the University of Rochester Medical Center presented at the Pediatric Academic Society meeting.

Embargoed news from Annals of Internal Medicine
Below is information about three studies being published in the May 5 issue of Annals of Internal Medicine.

Hypothyroidism in women associated with liver cancer
Women with a history of hypothyroidism face a significantly higher risk of developing liver cancer, according to a new study in the May issue of Hepatology, a journal published by John Wiley & Sons on behalf of the American Association for the Study of Liver Diseases.

Oral rivaroxaban better than subcutaneous enoxaparin for preventing blood clots after knee replacement (Record4 study)
A phase III study has shown that for patients undergoing knee replacement surgery, oral rivaroxaban is better than subcutaneous enoxaparin at preventing blood clots.

Drug prevents seizure progression in model of epilepsy
Carnegie Mellon University researchers have identified a new anticonvulsant compound that has the potential to stop the development of epilepsy.

Scientists determine the structure of highly efficient light-harvesting molecules in green bacteria
An international science team has determined the structure of chlorophyll molecules in green bacteria, which are super-efficient at harvesting light energy.

Universities at risk if academic freedom wanes, new book says
A persistent assault by the political right threatens to erode nearly century-old principles of academic freedom that have made US universities a model for the world, a new book cowritten by a University of Illinois legal expert warns.

Crop models help increase yield per unit of water used
In regions with limited water resources, maximizing crop water productivity is important for producing high yields.

Study finds particles, molecules prefer not to mix
In the world of small things, shape, order and orientation are surprisingly important, according to findings from a new study by chemists at Washington University in St.

Being bullied in childhood associated with psychotic symptoms among preteens
Children who are consistently victimized by peers appear more likely to develop psychotic symptoms in early adolescence, according to a report in the May issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

Delirium may cause rapid cognitive decline in Alzheimer's disease
Alzheimer's disease patients who develop delirium, a sudden state of severe confusion and disorientation, are significantly more likely to experience rapid cognitive decline than Alzheimer's patients who didn't experience delirium, according to research published in the May 5, 2009, print issue of Neurology, the medical journal of the American Academy of Neurology.

New paradigm identifies gene responsible for acetaminophen-induced liver injury
Acetaminophen (Tylenol and generics) is one of the most commonly used over-the-counter drugs in the United States.

New trial casts doubt on role of zinc supplements in diarrhea treatment
Zinc supplementation can be ineffective in the treatment of diarrhea.

Protein analysis methods, viral vectors featured in Cold Spring Harbor Protocols
The May issue of Cold Spring Harbor Protocols features a set of methods that can be used to analyze protein complexes.

Acute kidney injury common after liver transplantation
Even mild cases of acute kidney injury after liver transplantation are associated with lower survival for both the patient and the graft.

UW, state launch project to improve understanding, coverage of mental illness
A new program designed to improve public understanding and news reporting of mental health and mental illness is being launched today by the University of Washington's School of Social Work and the Washington State Mental Health Transformation Project.

Researchers surprised by similar structures in Sanfilippo syndrome and Alzheimer's disease
Researchers seeking to understand the causes of a rare genetic disease, Sanfilippo syndrome type B, were surprised to find protein aggregates, known as neurofibrillary tangles, that are usually seen in Alzheimer's and other forms of dementia, according to a study in the Proceedings of the National Academy of Sciences.

World's largest tornado experiment heads for Great Plains
The largest and most ambitious tornado study in history will begin next week, as dozens of scientists from NCAR and other organization's deploy radars and other ground-based instruments across the Great Plains to gain a better understanding of these often-deadly weather events.

Type of lung cancer screening used to detect disease may impact 5-year survival rates
Researchers from the National Cancer Center Hospital in Tokyo, Japan examined the records of 2,281 patients who underwent lung cancer resection surgery.

EMBL scientists develop first fully automated pipeline for multiprotein complex production
Most cellular processes are carried out by molecular machines that consist of many interacting proteins.

Junghans named PI in $5.9 million breast cancer grant
Richard Junghans, M.D., associate professor of surgery at Boston University School of Medicine and Chief of Surgical Research was named principal investigator of a grant to research how breast cancer patients' own cells can be modified to fight their disease.

Richard Easterlin to receive 2009 IZA Prize in Labor Economics
This year's IZA Prize in Labor Economics, endowed with 50,000 euros ($66,300), will be awarded to Richard A.

Children with concussions require follow-up care before returning to play, say researchers
Children hospitalized with concussions should wait until they are seen by a clinician in a follow-up exam before returning to regular sports or playtime activities, according to researchers at the Children's Hospital of Philadelphia.

Sleep apnea thickens blood vessels, increases heart disease risk
Obstructive sleep apnea thickens sufferers' blood vessels and increases the risk of several forms of heart and vascular diseases.

Peter Orszag, John Holdren to speak at May 8 symposium on federal statistics
Federal agencies collect and analyze statistics on many aspects of American life, including where people live, whether they're employed and what diseases they suffer from.

Meditate your way to better bladder health
Findings from a Journal of Urology study conducted at Loyola University Health System revealed that cognitive therapy is an effective management strategy for urge incontinence.

New gene may provide breast cancer diagnostic marker
In a research article published in this week's PLoS Medicine, Ann Killary, from the University of Texas M.

New light shed on the enigma of salt intake and hypertension
A high salt intake has been implicated in cardiovascular disease risk for 5000 years.

Shilatifard and colleagues clarify the enzymatic activity of factors involved in childhood leukemia
The Stowers Institute's Shilatifard Lab and colleagues have provided new insight into the molecular basis for H3K4 methylation, an activity associated with the MLL protein found in chromosomal translocation-based aggressive infant acute leukemias.

More compressions, fewer interruptions lead to higher cardiac arrest survival
Survival rates for sudden cardiac arrest patients increased when professional rescuers focused on minimizing interruptions to chest compressions during CPR.

Study: Patients with resolved hepatitis C likely still contagious
Patients with chronic hepatitis C that has been resolved through therapy or immune response may still be able to infect others with the virus.

American Chemical Society's weekly PressPac -- April 29, 2009
PressPac information is intended for your personal use in news gathering and reporting and should not be distributed to others.

Hypertensive kids more likely to have learning/attention problems
Children who have high blood pressure are more likely to have learning disabilities and attention deficit hyperactivity disorder than children who are not hypertensive, according to new research from the University of Rochester Medical Center presented at the Pediatric Academic Society meeting.

Georgetown University's Howard J. Federoff, M.D., Ph.D., receives Bernard Sanberg Memorial Award
At the American Society for Neural Therapy and Repair's 16th Annual meeting, Howard J.

FSU researcher wins $2.8 million grant to study school readiness skills of Spanish-speaking children
A Florida State University researcher has won a $2.8 million federal grant to study ways to increase the school readiness skills and subsequent academic achievement of Spanish-speaking children in the United States.

Vaccine records of internationally adopted children may not reflect protection against disease
Children adopted from countries such as Russia, China and Guatemala may not be protected against polio, measles or other diseases despite records indicating they have been immunized, according to a report in the May issue of Archives of Pediatrics & Adolescent Medicine, a theme issue on vaccines.

University of Cincinnati researchers develop 'lab on a tube' monitoring device
The need for improved monitoring of neurotrauma patients has resulted in the development of a prototype of a novel, multitasking

Electronic prescribing systems boost efficiency, may lead to improved quality of care
New research published in the May issue of the Journal of the American College of Surgeons indicates that the adoption of electronic prescribing systems may allow for greater efficiency at hospitals, which could result in long-term cost savings and improved quality of care.

Hospital volume inconsistent predictor of quality care
A new review finds hospital volume to be a useful, albeit imperfect, predictor of short term mortality.

MIT: Targeting tumors using tiny gold particles
It has long been known that heat is an effective weapon against tumor cells.

Monell Center receives $100,000 Grand Challenges Explorations grant
The Monell Center announced today that it has received a $100,000 Grand Challenges Explorations grant from the Bill & Melinda Gates Foundation.

Calorie restriction causes temporal changes in liver metabolism
Moderate calorie restriction causes temporal changes in the liver and skeletal muscle metabolism, whereas moderate weight loss affects muscle.

Weizmann Institute scientists show white blood cells move like millipedes
Weizmann Institute scientists have shown that rather than inching along blood vessel walls to reach injured tissue, white blood cells sprout hundreds of

NASA's Fermi explores high-energy 'space invaders'
Since its launch last June, NASA's Fermi Gamma-ray Space Telescope has discovered a new class of pulsars, probed gamma-ray bursts and watched flaring jets in galaxies billions of light-years away.

Social networking for terrorists
A new approach to analyzing social networks, reported in the current issue of the International Journal of Services Sciences, could help homeland security find the covert connections between the people behind terrorist attacks.

Imaging study finds evidence of brain abnormalities in toddlers with autism
Toddlers with autism appear more likely to have an enlarged amygdala, a brain area associated with numerous functions, including the processing of faces and emotion, according to a report in the May issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

Breast health center gives TGen new research opportunities
Today's opening of a new breast health center next to John C.

Annals of the ESA selected as one of 100 most influential journals
A poll conducted by the Special Libraries Association to identify the 100 most influential journals of biology and medicine over the last 100 years listed Annals of the Entomological Society of America among them.

Vaccination coverage improves among low-income children, but disparities persist
More children in low-income households are receiving childhood vaccinations on schedule than in previous years, but disparities based on economic status remain, according to a report in the May issue of Archives of Pediatrics & Adolescent Medicine, a theme issue on vaccines.

What teens don't know about OTC medications can hurt them
Teens, who are starting to make more decisions about their own health care, may not know enough about over-the-counter pain medications to avoid complications or inadvertent misuse, according to new University of Rochester Medical Center research presented at the Pediatric Academic Society meeting.

Princeton geoscientist offers new evidence that meteorite did not wipe out dinosaurs
A Princeton University geoscientist who has stirred controversy with her studies challenging a popular theory that an asteroid wiped out the dinosaurs has compiled powerful new evidence asserting her position.

Infants' pain response to immunization varies based on which vaccine is first
Infants who receive the pneumococcal conjugate vaccine following the combination vaccine for diphtheria, polio, tetanus, pertussis and Haemophilus influenzae type b appear to experience less pain than those who are immunized in the opposite order, according to a report in the May issue of Archives of Pediatrics & Adolescent Medicine, a theme issue on vaccines.

Nano-sandwich triggers novel electron behavior
A lattice of vanadium dioxide molecules just six atoms thick in which electrons appear to be guided by conflicting laws of physics depending on their direction of travel has been modeled by a team of physicists at the University of California, Davis.

Relapse common among women who stop taking antidepressant medication for premenstrual syndrome
About half of women whose symptoms of severe premenstrual syndrome are relieved by the antidepressant sertraline appear to experience relapse within six to eight months after stopping medication, according to a report in the May issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

Delirium rapidly accelerates memory decline in Alzheimer's patients
Delirium often develops in elderly patients during hospitalization or serious illness, and this acute state of confusion and agitation has long been suspected of having ties to Alzheimer's disease and other dementias.

How to turn conflict into collaboration when patients and physicians disagree
In an era when people are more informed about their care and more assertive with their physicians, an impasse can develop over issues as simple as a patient insisting on unnecessary tests or medications or as complicated as end-of-life care.

First jaguar photo taken at Smithsonian Research Station in Panama
The first photo of a jaguar on Barro Colorado Island in Panama, home of the Smithsonian Tropical Research Institute's premier tropical biology research station was taken on April 20, 2009.

African-American women still have poorer breast cancer outcomes
New research published in the May issue of the Journal of the American College of Surgeons shows that dramatic disparities in breast cancer outcomes continue to exist for African-American women, regardless of the age at which they are diagnosed, extent of the cancer, type of treatment or socioeconomic status.

Food security: It starts with seed
A recently released publication,

Virginia Tech virologist developing more potent vaccine technology
Virginia Tech virologist Chris Roberts is developing cell culture-based vaccine technology that is more rapid than the egg-based growth system presently used to create vaccines.

Memory grows less efficient very early in Alzheimer's disease
Even very early in Alzheimer's disease, people become less efficient at separating important from less important information, a new study has found.

New target identified for potential treatment of retinopathy in premature babies
Results of a study in mice by researchers at the University of California, San Diego strongly suggest that the protein kinase JNK1 plays a key role in the development of retinopathy in premature infants.

Sustainable interventions key to successful schistosomiasis control
A decade after the conclusion of a schistosomiasis control program in Mali, prevalence of the disease had regressed to pre-intervention levels, according to a study published May 5 in the open-access journal PLoS Neglected Tropical Diseases.

When atoms are getting close
In chemistry as well as in all adjoining sciences, an understanding of chemical bonding is of fundamental importance.

UGA biomedical engineer publishes on 'super-resolution' video imaging
A team that includes UGA engineer Peter Kner has developed a microscope that is capable of live imaging at double the resolution of fluorescence microscopy using structured illumination.

True grit
Weizmann Institute researchers have revealed a unique strategy evolved by sea urchins to keep their digging teeth sharp enough to carve out hiding holes in limestone.

Iron deficiency in womb may delay brain maturation in preemies
Iron plays a large role in brain development in the womb, and new University of Rochester Medical Center research shows an iron deficiency may delay the development of auditory nervous system in preemies.

Brain protein central to both Parkinson's, drug addiction identified
Scientists have identified a protein that appears not only to be central to the process that causes Parkinson's disease but could also play a role in muting the high from methamphetamine and other addictive drugs.

Research gives clues for self-cleaning materials, water-striding robots
Humans have marveled for millennia at how water beads up and rolls off flowers, caterpillars and some insects, and how insects like water striders are able to walk effortlessly on water.

eBay has unexpected, chilling effect on looting of antiquities, archaelogist finds
Archaeologists held their breath more than a decade ago when the launch of eBay theoretically increased the market for looted archaeological treasures.

Extra payments to Medicare Advantage plans to total $11.4 billion in 2009
Private Medicare Advantage plans will be paid $11.4 billion more in 2009 than what the same beneficiaries would have cost in the traditional Medicare fee-for-service program, according to a new report released today by the Commonwealth Fund.

Penn State professor investigates estrogen, heart disease connection in women
A new study on old rats by a Penn State researcher will shed light on the connection between estrogen deficiency, heart disease and aging in women.

First oral uveitis drug reduces both inflammation and recurrence in potentially blinding eye disease
Uveitis, or inflammation within the eye, causes visual loss comparable to diabetes.

Psyched out by stereotypes: IU research suggests thinking about the positive
Cognitive scientists have shown that when aware of both a negative and positive stereotype related to performance, women will identify more closely with the positive stereotype, avoiding the harmful impact the negative stereotype unwittingly can have on their performance.

MedImmune awards five fellowship research grants to advance viral respiratory disease research
MedImmune has awarded grants to five pediatric fellows to assist their conduct of original research in the field of viral respiratory diseases.

Lithium may help radiation target cancer, spare healthy tissue
Vanderbilt-Ingram Cancer Center investigators have uncovered a mechanism that helps explain how lithium, a drug widely used to treat bipolar mood disorder, also protects the brain from damage that occurs during radiation treatments.

UNC study: New approach promises greater success for predicting drug safety
A new UNC study published online in the journal Genome Research describes a new, more effective and less costly method for testing drugs for potential toxicity and one that could also result in more people benefiting from existing drugs.

Academic Pediatric Association recognizes Children's National Medical Center with national award
Children's National Medical Center is the recipient of the Academic Pediatric Association's 2009 Health Care Delivery Award, recognizing the institution's work to advance two nationally benchmarked child health quality measures: immunization compliance rates and preventive care visits.

Scientists learn why the flu may turn deadly
As the swine flu continues its global spread, researchers from the Children's Hospital of Philadelphia, Pa., have discovered important clues about why influenza is more severe in some people than it is in others.

May 2009 Geology media highlights
Hot topics include opposition to the idea that chevron-shaped dunes are indicative of mega-tsunamis; discovery of a complex microbial community that extends the fossil record of cavity-dwelling life by more than 1.5 billion years; documentation of nanoscale, respirable cristobalite fibers in volcanic ash from Chaiten volcano and the likely adverse health effects; closing the gap between Earth's first animals and fossil and geochemical evidence; and the largest trilobites ever found.

Study: Furniture tip-over injuries rising
Every day, about 40 young kids are rushed to the emergency room with injuries after a heavy piece of furniture -- a TV, a bookcase, etc.

Children who view adult-targeted TV may become sexually active earlier in life
A new study out of Children's Hospital Boston suggests that children who view adult-targeted TV and movies may become sexually active earlier in life.

New insight into Alzheimer's disease pathology
An Alzheimer's-related protein helps form and maintain nerve cell connections, according to a study published in the Journal of Cell Biology. 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