Brightsurf Science News & Current Events

May 24, 2005
Marine sponge yields nanoscale secrets
The simple marine sponge is inspiring cutting-edge research in the design of new materials at the University of California, Santa Barbara.

No strong evidence of an increased risk of cancer among personal hair dye users
A meta-analysis of the scientific evidence looking at the association between cancer and hair dye use has found no strong evidence of increased risk, according to an article published in the May 25 issue of JAMA.

NASA's rovers continue Martian missions
NASA's Mars rover Opportunity is trying to escape from a sand trap, while its twin, Spirit, has been busy finding new clues to a wet and violent early Martian history.

Scientists use meteors to investigate climate change and giant waves at the 'edge of space'
A new research radar based in Antarctica is giving scientists the chance to study the highest layer of the earth's atmosphere at the very edge of space.

Experimental therapies and vaccines for Ebola and Marburg viruses focus of Academy meeting
The New York Academy of Sciences' Emerging Infectious Diseases Discussion Group is sponsoring a meeting, Ebola and Marburg Viruses--Perspective 2005 on Thursday, June 2 at 5 p.m.

Talalay receives Pauling Prize for Health Research
Dr. Paul Talalay, a pioneer in the study of dietary phytochemicals that help protect against cancer, has been awarded the Linus Pauling Institute Prize for Health Research.

Measuring hormone cuts antibiotic use in half in pneumonia patients
Measuring a hormone in the blood can help doctors greatly reduce the number of days pneumonia patients have to take antibiotics to cure their infection, according to a study to be presented at the American Thoracic Society International Conference on May 24 in San Diego.

Children living near major roads at increased risk of asthma
Children living close to a major road are significantly more likely to have asthma than children who live farther away.

The bladder does not shrink as you get older
University of Pittsburgh researchers compared data taken from women between the ages of 22 and 90 and found that although the bladder does deteriorate as women age, it may not shrink, as has been commonly believed.

Workers exposed to Libby Vermiculite Ore have high rate of chest wall abnormalities
More than one-quarter of tested workers at an Ohio manufacturing plant historically exposed to asbestos-containing vermiculite ore exhibited signs of scarring of the chest wall lining, or pleural plaques, which are usually considered markers of previous exposure to asbestos fibers, according to research from the University of Cincinnati College of Medicine.

Female lung transplant recipients at greater risk of acute lung injury
Female lung transplant recipients are significantly more likely to suffer from a type of injury to the transplanted lung called primary graft dysfunction than male lung transplant patients, according to a study to be presented at the American Thoracic Society International Conference on May 24 in San Diego.

Diagnostic imaging in line with other hospital costs
Dramatic increases in the utilization of high-technology imaging studies have raised the argument that diagnostic imaging has replaced prescription drugs as the driver of healthcare costs.

A continent split by climate change: New study projects drought in southern Africa, rain in Sahel
Africa's(TM) Sahel region, drought-scarred into the 1990s, could get wetter monsoons for decades to come.

'Embodiment awareness' research aim to help the blind learn math more quickly
Mathematical reasoning is rich in spatial imagery revealed in gestures.

Retina adapts to light changes by rewiring itself
An Oregon Health & Science University study is boosting understanding of the retina's ability to rewire itself so it can adapt to different levels of ambient light.

Tiny bundles seek and destroy breast cancer cells
A Penn State College of Medicine study shows for the first time in an animal model that ceramide, a naturally occurring substance that prevents the growth of cells, can be administered through the blood stream to target and kill cancer cells.

Voyager spacecraft enters solar system's final frontier
NASA's Voyager 1 spacecraft has entered the solar system's final frontier.

Decreasing death anxiety
Patients approaching the end of life can significantly reduce their depression symptoms and improve their sense of spiritual well-being according to a study published in the current issue of the Journal of Palliative Medicine.

ORNL nanoscience center 'jump starts' medical compound device
A device that could create custom-tailored medical compounds faster than ever before is one of the first projects launched under the new Center for Nanophase Materials Science at Oak Ridge National Laboratory.

International adoptees have fewer behavior problems than domestic adoptees
Most international children who are adopted are well-adjusted and have fewer behavioral problems than children who are adopted domestically, according to an article in the May 25 issue of JAMA.

Computed tomography has potential to offer accurate, safer method for detecting artery disease
Multislice computed tomography appears to provide high accuracy for detecting coronary artery disease and may represent a useful complement to conventional coronary angiography, according to a study in the May 25 issue of JAMA.

Most in high value homes have income to match and can afford local taxes
The value of property is linked more closely to income and ability to pay tax than many people think, according to new research sponsored by the ESRC.

Tobacco use persists after liver transplant for alcoholic liver disease
A new report finds a need for more stringent monitoring of tobacco use in liver transplant populations and calls for more intervention.

University of Pittsburgh study shows using expanded critera donors is safe
Eight years after liver transplantation, patients who had received livers from either hepatitis B (HBV) positive or hepatitis C (HCV) positive donors had no significant problems post transplant than those who received HBV or HCV negative livers, and recurrence of HBV was minimized and controlled through the use of medication, according to a study by the University of Pittsburgh's Thomas E.

Little change in suicidal thoughts, plans or attempts in US
Despite a substantial increase in treatment for suicide attempts, no significant decrease occurred in the number of persons reporting suicide-related behaviors in the U.S. in the 1990s, according to a study in the May 25 issue of JAMA.

The Inverse Doppler effect: ECE researchers add to the bylaws of physics
What if the speed of light is a constant only most of the time?

Data further examines Seroquel® (quetiapine fumarate) treatment for bipolar depression
AstraZeneca (NYSE: AZN) today announced additional findings at the annual meeting of the American Psychiatric Association (APA) from the BOLDER (BipOLar DEpRession) trial, a large-scale study that examined SEROQUEL as a treatment for depressive episodes in patients with bipolar I and II disorders.

New national effort seeks a more rational organ allocation system for kidney transplants
More than 60,000 Americans are on the waiting list for a donated kidney to save their lives, and the United Network for Organ Sharing (UNOS) is responding to the shortage of deceased-donor organs by reviewing the complex formula that has guided kidney allocation for years.

MUHC scientists describe genetic resistance to rampant virus
MUHC researchers have defined genetic resistance to the widespread virus, cytomegalovirus (CMV)--a member of the viral group that causes some of the world's most prevalent diseases, such as herpes, chicken pox and mononucleosis.

New Seroquel data support benefits in bipolar disorder
New data presented today at the American Psychiatry Association (APA) meeting in Atlanta, USA, demonstrate that the atypical antipsychotic SEROQUEL (Quetiapine) is effective in reducing suicidal thinking in patients suffering from bipolar depression, and also improves quality of life and adherence to treatment in patients with bipolar disorder.

Laughter-induced asthma: It's no joke
More than half of people with asthma report that their symptoms are brought on by laughter, according to a study to be presented at the American Thoracic Society International Conference on May 24 in San Diego.

Scientists observe infectious prion proteins invade and move within brain cells
Scientists for the first time have watched agents of brain-wasting diseases, called transmissible spongiform encephalopathies (TSE), as they invade a nerve cell and then travel along wire-like circuits to points of contact with other cells.

Physical activity associated with improved survival for women with breast cancer
Women with breast cancer who engaged in an amount of physical activity equivalent to walking 1 or more hours per week had better survival compared with those who exercised less than that or not at all, according to a study in the May 25 issue of JAMA.

Combating fatigue associated with liver disease
In a new study, researchers examined the effects of ondansetron (an anti-nausea drug commonly used to treat nausea during chemotherapy) on fatigue associated with primary biliary cirrhosis (PBC), an inflammation of the bile ducts in the liver that leads to cirrhosis.

Road salt affects mitigation wetlands
Sacrificing one wetland for the sake of five others may be the way to go when planning constructed wetlands to replace those destroyed during road building, but a Penn State Erie biologist is monitoring the salinity of the wetlands to see how the salt affects animals and insects.

AAAS calls for 'immediate repeal' of British boycott targeting Israeli universities
AAAS, the world's largest general science society, today urged an

Study shows adherence to pulmicort respules, results in fewer ER visits in asthmatic children
Young children who are adherent with asthma controller therapies overall, and specifically PULMICORT RESPULES® (budesonide inhalation suspension), have lower exacerbation rates, while those less adherent did not experience the same benefits , according to new data presented today at the 100th American Thoracic Society International Conference.

Asian drought triggers surge in poverty
The drought that is desiccating and devastating much of Asia this year will not only cost the region hundreds of millions of dollars in lost agricultural production but will also drive millions of people into poverty.

Study helps doctors ID intimate partner violence abuse victims
Harvard researchers report that a woman who smokes and displays evidence of problem drinking has nearly a one-third likelihood of having been abused by an intimate partner within the preceding 12 months.

Highway safety and transportation research
With the twin forces of summer travel and road construction poised for their annual collision this time of year, reporters may be interested in projects at the University of Wisconsin-Madison that focus on the safety and reliability of America's highways.

Facial trauma may cause significant social and behavioral problems
Patients disfigured in traumatic incidents are much more likely to suffer post traumatic stress disorder, unemployment, marital problems, binge drinking and depression.

In less dense neighborhoods
The terrorist attacks of Sept. 11, 2001 changed how central Ohioans viewed the kind of neighborhoods they want to live in, according to a series of new studies.

New anthropological research on gender
A June special issue of Current Anthropology (CA) presents three compelling studies that address women's lives in the contemporary world, specifically in Cameroon, Thailand, and Hong Kong.

Imaging may not be major driver of hospital cost increases
The substantial increase in the use of medical imaging during recent years has fueled speculation that imaging costs were a major factor behind the rise in overall health care costs.

Study shows Philip Morris pursued tobacco regulation to enhance its image
A new study by UCSF School of Nursing researchers shows that Philip Morris sought to enhance its image by supporting Food and Drug Administration regulation of tobacco.

Dogs get back in the action: New pet food improves mobility and quality of life for dogs
Hill's Prescription Diet has just launched Canine j/d, an innovative new food that helps maintain healthy joints and improves mobility in dogs.

$10 million gift establishes Helen L. & Martin S. Kimmel Center for Stem Cell Biology
A new Center for Stem Cell Biology has been established at NYU Medical Center.
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