Brightsurf Science News & Current Events

August 08, 2007
Unemployment cuts
Socioeconomic status, and unemployment rates in particular, predict both the type of trauma seen in emergency rooms and the population groups more likely to be victims of trauma, according to Atul Madan from the University of Tennessee Health Science Center and his team.

OSA 'Frontiers in Optics' Annual Meeting presents most significant optics and photonics research
The Optical Society of America's 91st Annual Meeting, Frontiers in Optics 2007, will cover the breadth of optical science and engineering.

New test improves detection of liver cancer
Cancer of the liver is very difficult to detect, and it is a major cause of death in Asia and Africa, with rising incidence in Western countries.

Testosterone replacement therapy: How safe for aging men?
Testosterone supplements have been used by aging men to improve their muscle mass, bone strength, libido and quality of life.

Stress may leave your mouth a mess
A literature review published in the August issue of the Journal of Periodontology saw a strong relationship between stress and periodontal diseases: 57 percent of the studies included in the review showed a positive relationship between periodontal diseases and psychological factors such as stress, distress, anxiety, depression and loneliness.

Conventional plowing is 'skinning our agricultural fields'
Traditional plow-based agricultural methods and the need to feed a rapidly growing world population are combining to deplete the Earth's soil supply, a new study confirms.

New technology reveals seal behavior
New technology has allowed an international team including UK scientists from University of St.

Long heat waves boost hospital admissions
Summer heat waves significantly increase pressure on hospitals, according to research published in the online open access journal, BMC Public Health.

Weizmann Institute scientists discover a control mechanism for metastasis
A team of biologists, physicists and doctors at the Weizmann Institute of Science has revealed a cellular mechanism that controls the movement of cells in cancer metastasis.

Refusal of medical and surgical interventions common among chronically ill elderly
Chronically ill older persons frequently refuse medical and surgical interventions recommended by their physicians, according to a recent study by Yale School of Medicine researchers.

Ethical consumption: Consumer driven or political phenomenon?
The most effective campaigns to encourage ethical consumption are those that take place at a collective level, such as the creation of fairtrade cities, rather than those that target individual behavior.

Obesity linked to hyperparathyroidism in chronic kidney disease
For patients with chronic kidney disease, the risk of elevated levels of parathyroid hormone, or hyperparathyroidism -- a significant complication that increases the risk of cardiovascular problems and death -- increases along with body weight, reports a study in the September Clinical Journal of the American Society of Nephrology.

Symposium to focus on commercializing plug-in hybrid electric vehicles
IEEE-USA is co-sponsoring a symposium on the technology and policy challenges of commercializing plug-in hybrid electric vehicles at the Omni Shoreham Hotel in Washington on 19 September.

Study suggests estrogen deficiency can lead to obesity-induced high blood pressure after menopause
At menopause, women lose hormone protection against heart and kidney diseases, and are likely to become obese.

Sugar and spice and everything nice: Health differences in newborn girls and boys
Two new studies seek to understand why death rates for female infants are higher after heart surgery, and why female donor livers may be less effective for transplants.

Where's the beef? Not enough of it is on elders' plates, muscle-metabolism study suggests
A new study published today suggests that a diet containing a moderate amount of protein-rich food such as beef, fish, pork, chicken, dairy or nuts may help slow the deterioration of elderly people's muscles.

FSU chemists using light-activated molecules to kill cancer cells
A key challenge facing doctors as they treat patients suffering from cancer or other diseases resulting from genetic mutations is that the drugs at their disposal often don't discriminate between healthy cells and dangerous ones -- think of the brute-force approach of chemotherapy, for instance.

Aviation conference to be held Sept. 18-20 in Belfast, Northern Ireland
Invest Northern Ireland, Bombardier and Queen's University Belfast partner with the American Institute of Aeronautics and Astronautics to bring three exciting events to the historical aeronautical city of Belfast, Northern Ireland.

Research aims to identify markers for menopausal women at risk for deadly blood clot
In women, hormone therapy is a risk factor for venous thrombosis, a blood clot forming deep inside the vein.

European Science Foundation's Forward Look reaches out beyond the endless frontiers
The Forward Look scheme, the European Science Foundation's strategic flagship instrument that aims to formulate science agendas and policies with Europe's best interest in mind, has initiated and nurtured 13 foresight exercises that help develop medium- to long-term perspectives on future directions of multidisciplinary research in Europe.

Proteaceae spread by continental drift and transoceanic dispersal
Using DNA sequence data, botanists have shown that the large southern hemisphere plant family Proteaceae lived on the super-continent Gondwanaland almost 120 million years ago.

What we can learn from the biggest extinction in the history of Earth
Approximately 250 million years ago, vast numbers of species disappeared from Earth.

Indiana University Imaging Center receives $6M grant for kidney research
The Indiana University School of Medicine's Division of Nephrology has been awarded a five-year, $6 million George M.

The 'female advantage' in kidney disease does not extend to diabetic women
Studies suggest kidney disease in diabetic women may be result of imbalances in hormonal ratios, not an absolute level of estrogen

Penn researchers discover novel pathway for increasing 'good' cholesterol
Researchers have discovered that a group of liver enzymes may be the key to raising levels of good cholesterol.

To gain muscle and lose fat, drink milk: study
Milk helps exercise buffs burn more fat.

Brain blood flow gives clues to treating depression
The usefulness of established molecular imaging/nuclear medicine approaches in identifying the

Almac Diagnostics announces pioneering genetic research on ductal carcinoma in situ
Today Almac Diagnostics announced a major study analyzing ductal carcinoma in situ tissue samples using its novel Breast Cancer DSA microarray.

Innovative tagging technique may help researchers better protect fish stocks
Marine Protected Areas are often hailed as a way to halt declines in the abundance of marine species that have been overfished.

Carnegie Mellon's Peter Adams receives EPA research grant
Carnegie Mellon University's Peter J. Adams has been awarded a $900,000 research grant from the US Environmental Protection Agency to study how global climate change and international pollution impact US air quailty.

Net energy -- a useless, misleading and dangerous metric, says expert
As oil becomes scarce, the world needs new transportation fuels.

States taking action to insure nation's 13.3M uninsured young adults
Since 2003, 16 states have enacted legislation requiring insurance companies to provide health insurance coverage to dependent young adults on their parents' health plans beyond age 18 or 19, according to a new report from the Commonwealth Fund.

Acute sleep deprivation leads to changes in nighttime urine production for men and women
Danish researchers have examined the urinary patterns of sleep-deprived volunteers and have found that a lack of sleep leads to increased urinary output and more salt in urine.

Grapes, soy and kudzu blunt some menopausal side effects
Menopausal women are at relatively high risk for memory loss, hypertension and diabetes.

Not all 'drug-related deaths' are 'drug-related'
UK estimates of

Diet foods for children may lead to obesity
Diet foods and drinks for children may inadvertently lead to overeating and obesity, says a new report from the University of Alberta.

Can you catch a killer before they commit a crime?
The US government is hoping to develop scanning systems that can pick out would-be terrorists that are about to enter the US.

Inflammation may cause preterm labor and fetal deaths
Inflammation from bacterial infections is linked to preterm births and deaths, according to researchers from Case Western Reserve University's School of Dental Medicine and the Case School of Medicine.

Female gender provides an advantage in renal diseases
In these studies, researchers either added supplemental levels of estrogen/testosterone to rats or castrated/performed ovariectomies in males and females rats, respectively.

2007 ICTP Dirac Medal
2007 ICTP Dirac Medal awarded to Jean Iliopoulos and Luciano Maiani.

Baby DVDs, videos may hinder, not help, infants' language development
Despite marketing claims, parents who want to give their infants a boost in learning language probably should limit the amount of time they expose their children to DVDs and videos such as

Better mobility keeps seniors healthier
As people lose the ability to walk unaided, they tend to suffer further deterioration that can interfere with other daily living activities.

Cardio exercise benefits in male vs. female hearts
A new study examining chronic exercise in male and female mice finds that moderate long-term exercise provokes a sex-dependent cardiac adaptation that is different for females versus males.

Drug-eluting stent controversy explored in the American Heart Hospital Journal
The Summer 2007 issue of the American Heart Hospital Journal explores one of the pivotal issues in cardiology today, the drug-eluting stent.

Researchers rely on Newton's interference for new experiment
Most people think of Sir Isaac Newton as the father of gravity.

An early ape shows its hand
Dr. C. Owen Lovejoy, Kent State University professor of anthropology, comments on a study published in the latest journal issue of Proceedings of the Royal Society B: Biological Sciences that reports on the structure of the hand of Hispanopithecus, a critically important fossil from an ape that lived during the late Miocene of Spain.

Edible fish feasts beats malaria
The emerging threat of pesticide resistance means that biological malaria control methods are once again in vogue.

Satellite tracking reveals threats to Borneo pygmy elephants
A new WWF study tracking pygmy elephants by satellite shows that the remaining herds of these endangered elephants, which live only on the island of Borneo, are under threat from forest fragmentation and loss of habitat.

Smithsonian scientists show differing patterns of rainforest biodiversity
Rainforests are the world's treasure houses of biodiversity, but all rainforests are not the same.

Study finds gender differences in renal and other genes contributing to blood pressure
In a new study, researchers examined the differential contribution of genetic factors involved in regulating blood pressure based on samples drawn from a large community.
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