Brightsurf Science News & Current Events

October 31, 2002
Global warming has uneven effect on coastal animals
Although it is expected that populations of many organisms will move away from the equator and toward the poles to stay cool during global warming, researchers have found that the intertidal zone does not exactly fit this pattern.

Scientists identify role of important cancer protein
Scientists working at the National Synchrotron Light Source (NSLS) at the U.S.

Diadvantaged youth less likely to volunteer as teens, study finds
Children who grow up in poverty and in single-parent homes are less likely to volunteer as adolescents, a new study suggests.

Scientists tackle the question: 'What will it really take to stop global warming?'
A team of researchers, led by Martin Hoffert at New York University, has conducted what may be the first comprehensive study of non-carbon-dioxide-producing energy sources to evaluate how to stabilize the Earth's climate while meeting the world's energy needs.

Groundbreaking science anticipated from Jefferson Lab's proposed new experimental hall
Jefferson Lab physicists hope to shine a metaphorical light into the darkest of subatomic corners - in particular, experimentalists will be looking for particles known as exotic hybrid mesons.

Crucial advice for lone parents - new help on way
One in four families in the UK today is headed by a lone parent, and they are among Britain's poorest, often relying on benefits and even losing their homes.

U.S. Food and Drug Administration approves effective new tool to help smokers quit
The U.S. Food and Drug Administration (FDA) today approved the Commit Lozenge -- the first and only nicotine lozenge -- for over-the-counter (OTC) sale.

Alternative energy sources needed to mitigate global warming, scientists say
Regulations alone will not stabilize atmospheric carbon dioxide levels and curb global warming, an international team of climate and technology experts says.

Comparison of HRTs finds progesteron
Excessive bleeding, a troublesome side-effect that causes many women to stop taking hormone replacement therapies (HRT), is less likely with progesterone than with more commonly used synthetic versions.

Increased fiber curbs appetite in women
Everyone knows that if you eat a plate of beans or a bowl of bran cereal, you're likely to get full pretty quickly.

OXiGENE, foundation fighting blindness sign research agreement for phase I/II clinical trial
For the first time, The Foundation Fighting Blindness will fund an investigational drug in a human clinical trial.

K-State professor studies medications available for llamas, alpacas
A Kansas State University researcher has been investigating how medications administered to other cud-chewing animals can safely be used to relieve llamas and alpacas of intestinal worms.

Geoenvironmental Research Park is launched
The successful development of a new multi-million pound Geoenvironmental Research Park project in Wales, UK has been welcomed by Government Ministers.

'Distortion and lack of openness' - Information provision from the pharmaceutical industry
Authors of an article in this week's issue of The Lancet-the first of a series of four articles assessing the role of the pharmaceutical industry in medicine-are critical of the way in which multinational pharmaceutical companies manipulate the provision of information, and say that this contributes to a distortion of medical research.

Why are people who recover from major depression never really out of the woods?
A new study, published in the November issue of the American Journal of Psychiatry, has identified an apparent 'depression trait marker' in the brain that may explain why recovered patients remain vulnerable to another depressive episode.

Health of American Indians on decline before Columbus arrived in new world
The health of indigenous people in the Western Hemisphere was on a downward trajectory long before Columbus set foot in the Americas, researchers say.

Facial markings help paper wasps identify each other
Paper wasps all look the same, right? Wrong. One wasp can recognize another through facial and abdominal markings, all but displacing the scientific dogma that insects carry out identification and communication only by pheromones, says a Cornell behaviorist.

New role for immune system player may help improve cancer vaccines
Researchers have discovered that a molecule best known for its anti-microbial properties also has the ability to activate key cells in the immune response.

Study: ER could be front line for stroke prevention
The emergency room may be a prime location for stroke prevention, as well as stroke treatment, a new study finds.

Jefferson Lab's Hall A experiment examines how energy becomes matter
Albert Einstein figured it out by 1905, as he was formulating his special theory of relativity: while you can't exactly get something from nothing, you can come close.

Fussy microbe holds promise for environmental cleanup
Scientists at Michigan State University have found an elusive microbe whose world-class pickiness is a key to one of the most nagging concerns in the cleanup of a common type of environmental toxin.

Insect infestation models may shed light on insect and disease outbreaks
Models of Larch budmoth outbreaks in the European Alps may eventually show scientists how to model a variety of disease and insect eruptions that rely on a combination of enemy, host and spatial movement to decimate populations, according to a team of ecologists.

High-dose radiotherapy could reduce cognitive function for people with low-grade brain tumours
Dutch authors of a study in this week's issue of The Lancet caution against the use of high-level radiation for the treatment of low-grade brain tumours-as such treatment does not improve survival and may contribute to cognitive decline.

District judges serving on appellate courts act as followers, not leaders, study finds
Faced with a shortage of judges, U.S. Courts of Appeals for years have enlisted District Court judges on a temporary basis to help decide cases.

Free smoke alarm programmes are failing
Providing and installing free smoke alarms to poor, urban households does not reduce fire related injuries and may be a waste of resources, find two studies in this week's BMJ.

Caesarean delivery of twins may prevent deaths
Second twins born at term are at higher risk of death due to complications during labour and delivery than first twins, but planned caesarean section may prevent such deaths, concludes a study in this week's BMJ.

NIDA sponsors Frontiers in Addiction Research at Annual Society for Neuroscience Meeting in Orlando
The National Institute on Drug Abuse (NIDA) is sponsoring a series of satellite symposia in conjunction with the 32nd Annual Meeting of the Society for Neuroscience, Orange County Convention Center, Orlando, Florida.

Penn researchers document large-scale voter registration problem
More people are registered to vote than there are residents of legal voting age in two states and 241 counties in the United States.

Symposium on emerging diseases and bioterrorism
Dec. 5 and 6, Thursday and Friday -- Experts from France and the U.S. will discuss diseases such as smallpox, influenza, Ebola virus and plague, and how these threats can be countered, at a two day symposium,

Study finds more satisfaction in same-race doctor-patient relationships
Patients who are of the same race as their doctor report more satisfaction with their physician, according to researchers from the Johns Hopkins Bloomberg School of Public Health.

'Control valve' within heart cells could protect body during heart attacks
A Johns Hopkins-led research team has identified a type of control valve within heart cells that can be switched on to help the organ survive injury during a heart attack.

Georgia Tech researchers developing biomechanic device to grow arteries for bypass surgery patients
Biomedical engineers at the Georgia Institute of Technology (Georgia Tech) are testing a device that, when implanted, mechanically lengthens an existing artery in patients preparing for coronary artery bypass surgery (CABG).

The brain gets the big picture
New research by neuroscientists at the University of California, Davis and the University of Minnesota shows that higher regions of the brain can quickly recognize patterns and shapes and tell lower areas of the brain to stop processing the information.

Inflammation may increase stroke risk in men with hypertension
Proteins associated with inflammation may help identify different levels of stroke risk in men who have hypertension, Swedish researchers report in today's rapid access issue of Stroke: Journal of the American Heart Association.

University of Pittsburgh researchers link gene to depressive disorders in women
Researchers from the University of Pittsburgh Medical Center have made significant progress in identifying the first susceptibility gene for clinical depression, the second leading cause of disability worldwide, possibly providing an important step toward changing the way doctors diagnose and treat major depression that affects nearly 10 percent of the population.

International researchers propose advanced energy technologies to help quell global warming
In an effort to stabilize climate and slow down global warming, Livermore scientists along with a team of international researchers have evaluated a series of new primary energy sources that either do not emit or limit the amount of carbon dioxide released to the atmosphere.

Enlisting human test subjects in the war on terror
As recent events have demonstrated, the government and the scientific community recognize the need to find new ways to counteract chemical and biological weapons.

Amid food safety concerns, K-State professor believes consumers ready for irradiated meat products
With another massive nationwide recall of meat products tainted with foodborne bacteria, a chain of grocery stores in the Midwest has announced that it will offer customers the option of purchasing regularly irradiated ground beef.

Epilepsy linked to social deprivation
People who are socially and economically disadvantaged are more likely to develop epilepsy than those who are not, conclude researchers in this week's BMJ.

Used mattresses may increase risk of cot death
Babies who routinely sleep on an infant mattress previously used by another child may be at increased risk of cot death, finds a study in this week's BMJ.

UT Southwestern, Children's Medical Center to test new rapid diagnostic equipment
Instead of waiting five to seven days to find out if a child brought to the emergency room tests positive for meningitis or whooping cough, new rapid diagnostic testing equipment will provide doctors at UT Southwestern Medical Center at Dallas and Children's Medical Center of Dallas with an answer in a few hours.

Keen ER identification could avert future strokes
Each trip to the emergency room could be a chance to squash a future stroke.

Doctors should play no part in executions
The number of executions in the United States has soared over the past two decades as the acceptability of lethal injection has increased.

Scientists show how order and disorder unite to enable ultrasound, sonar
Chemists at the University of Pennsylvania have shown how atom-scale changes in certain materials can dramatically affect their ability to interchange mechanical and electrical signals.

Jefferson researchers find uterine artery embolization may negatively affect future pregnancies
A study in the November issue of Obstetrics & Gynecology by physicians at Thomas Jefferson University Hospital in Philadelphia found that women who undergo uterine artery embolization (UAE)--a relatively new procedure that is increasingly used as an alternative to myomectomy and hysterectomy to treat uterine fibroids--are at an increased risk for a number of complications if they later become pregnant. 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