Brightsurf Science News & Current Events

May 04, 2004
Medical residents report sleep loss and fatigue take toll on learning, work and personal lives
In a new study, sleep researchers report sleep loss and fatigue affect medical residents in several ways, including learning, job performance and personal relationships.

Human brain works heavy statistics learning language
A team at the University of Rochester has found that the human brain makes much more extensive use of highly complex statistics when learning a language than scientists ever realized.

Conservation in Canada
Conservation actions could be more efficient if there is similarity among taxa in the distribution of species.

Highlights summarized for movement disorders research at 56th annual meeting
Among the largest of subspecialties within neurology, movement disorders are also the subject of some of the most intense research.

Cedars-Sinai receives full AAHRPP accreditation for all research involving human subjects
Cedars-Sinai Medical Center announces that it has been fully accredited by the Association for the Accreditation of Human Research Protection Programs, Inc.

Americans spend more on health care but are not healthier
Researchers from the Johns Hopkins Bloomberg School of Public Health found that despite spending more for health care, Americans do not receive the best medical care in the world.

Dental pulp cells may hold key to treatment of Parkinson's disease
Cells derived from the inside of a tooth might someday prove an effective way to treat the brains of people suffering from Parkinson's disease.

Special school helps African-American, poor children close literacy achievement gap, study finds
A specialized one-to-one teaching intervention helped the lowest-achieving African-American and disadvantaged children in first grade to close much of the literacy achievement gap with their peers, according to a new study.

ESA's minature Earth observer put to many uses
Think of ESA's Proba as the little satellite that does a lot.

Fat cells heal skull defects in mice, Stanford research shows
Certain types of cells from fat tissue can repair skull defects in mice, say researchers at Stanford University Medical Center.

Network aims to dispose of 'throwaway society'
A groundbreaking initiative that could lead to the development of longer-lasting consumer goods is under way in the UK.

Physics professor at UH called to testify on ultradeep water exploration
Arthur Weglein, UH physics and geosciences professor, recently addressed the challenges in exploration and production of energy sources in ultradeep water.

CAD proves to be viable option for second reading mammograms
Routine use of computer-aided detection (CAD) in interpretation of screening mammograms is as beneficial as having a second radiologist review the mammograms, a new prospective study shows.

Researchers string together players in pesticide resistance orchestra
A Purdue University research team has found a set of genes that may orchestrate insects' ability to fight the effects of pesticides.

UO patent opens way for green nano
Researchers at the University of Oregon have developed a process for making functionalized gold nanoparticles that takes hours instead of days and eliminates the need to use two toxic chemicals, a major step toward establishing

Blood-red moon
ESA's SMART-1 spacecraft has just made its 278th orbit, in good health and with all functions performing nominally, but its target is expected to turn blood-red in the evening of 4 May!

Rising young psychiatry researchers receive prestigious international award
The American Psychiatric Association (APA) and AstraZeneca today announced the winners of their prestigious 2003 'Young Minds in Psychiatry Awards Programme' at the APA's Young Researchers Breakfast event, held to coincide with their 157th annual meeting.

Depressive symptoms in middle-aged inner-city African-Americans higher than expected
Middle-aged African-Americans who live in the inner city have a higher than expected level of depressive symptoms which can lead to additional health problems.

Preimplant test offers option of having child to serve as stem cell donor to sibling in need
Parents with a child requiring stem cell transplantation can have genetic testing done on embryos prior to implantation to determine if the tissue type matches and the ensuing offspring could potentially serve as a donor to the affected child, according to a study in the May 5 issue of The Journal of the American Medical Association (JAMA).

MDCT angiography can replace angiography in diagnosing suspected arterial injuries
Multidetector CT (MDCT) angiography can replace angiography in the initial evaluation of suspected arterial injury in patients with blunt and penetrating neck injuries, a new study shows.

If core breast biopsy shows minimal abnormal cells, surgical excision is still necessary
Even if core breast biopsy results show only very minimal or focal evidence of abnormal cells, the lesion should be surgically removed to determine whether the woman has cancer, a new study emphasizes.

Traditional fishing destroys corals - new research
British scientists have found that primitive fishing methods (using spears, hook-and-line) are destroying coral reefs.

Small gene changes in some leukemia patients may explain varying responses to chemotherapy
A new study in the May 5 issue of the Journal of the National Cancer Institute provides evidence that may explain why some patients with chronic lymphocytic leukemia (CLL) are resistant to chemotherapy and have a shorter survival time and may identify a potential new target for treating the disease.

PACS increase physician productivity by more than a third
PACS can increase radiologists' productivity by nearly 40 percent in a community teaching hospital, allowing for more patient examinations without increasing physician staffing, a new study shows.

Catastrophic shift in species diversity and productivity of an ecosystem
Ecology and environmental management is predicated on ecosystems responding to environmental changes in a smooth and straightforward way.

Bush honors UCI's Jia Lu with early career award
Jia G. Lu, assistant professor of chemical engineering and materials science as well as electrical engineering and computer science, was honored today by President George Bush with a 2002 Presidential Early Career Award for Scientists and Engineers.

New computer technique differentiates malignant and benign calcifications on digital mammograms
Researchers at the University of Chicago have developed a computer technique that

North Shore-LIJ attains accreditation of human research protections processes
The North Shore-Long Island Jewish (LIJ) Health System today announced accreditation of a major arm of its human research protections processes by the Partnership for Human Research Protections (PHRP).

Nerac to expand patent collection with 17 more resources
Nerac, a leading information resource for scientists, engineers and IP professionals, has recently signed an agreement with Univentio to add 17 additional patent databases from the following countries: Germany, France, Canada, Austria, Belgium, Switzerland, Denmark, Spain, Finland, Ireland, Italy, Luxembourg, Monaco, Netherlands, Norway, Portugal and Sweden.

NIAID rotavirus vaccine licensed for commercialization
NIAID announced today a new license agreement aimed at helping to prevent hundreds of thousands of deaths annually from rotavirus diarrhea in children living in developing countries.

Hubert Wolf wins the 2004 Communicator Award
This year, the

Radiologists back judicious use of CT pulmonary angio in women because of radiation dose to breast
Radiologists are encouraging their colleagues to think twice and consider alternatives before using CT in the diagnosis of pulmonary embolism in women under the age of 55 because of the radiation dose of these examinations.

Plain radiographs and dedicated CT may become unnecessary in detecting lower spine fractures
Multidetector computed tomography (MDCT) of the abdomen and pelvis with immediate 3D reconstruction may soon do away with the necessity of performing plain radiographs and dedicated spinal CT imaging in trauma patients, according to a new study by researchers from Boston Medical Center and Boston University in Massachusetts.

Increase in prevalence of marijuana abuse and dependence
A new study shows that the prevalence of marijuana use among U.S. adults has remained stable over the past decade, but the prevalence of marijuana abuse or dependence has increased significantly, possibly related to increased potency of the substance, according to a report in the May 5 issue of The Journal of the American Medical Association (JAMA).

Purdue, industry partners creating 'intelligent' grinding process
Researchers at Purdue University are working with industry to develop an

Iron-deficient infants score worse on cognitive and motor tests as teens
Teens who suffered iron deficiency as infants are likely to score lower on cognitive and motor tests, even if that iron deficiency was identified and treated in infancy, a new University of Michigan study shows.

Exercise helps heart attack patients who are depressed, without social support
Heart attack patients who are depressed or without social support are more than twice as likely to die of a second heart attack if they do not exercise, according the results of a large-scale national trial led by Duke University Medical Center researchers.

CAD system shows promise as adjunct to breast MRI
A new computer-aided breast MRI system may help radiologists interpret breast MRI and improve the differentiation of benign and malignant breast lesions, which could eventually reduce the number of women who are sent for a biopsy, preliminary results of a study suggest.

Chromosome losses mean poor survival in childhood leukemia
A new international study of children with a severe form of acute lymphoblastic leukemia (ALL) shows that certain chromosome losses can signal an especially poor response to therapy, but that other chromosome abnormalities have no effect on treatment survial.

Average blood pressure levels on rise among American children/teenagers
Systolic and diastolic blood pressure levels for children and teenagers have risen substantially since 1988, according to a new study supported by the National Heart, Lung, and Blood Institute.

Dark matter experiment narrows search for WIMPS
An experiment to search for dark matter components called WIMPS has not turned up the elusive particles, but it has established a high degree of sensitivity.

New hope for HIV sufferers
A drug that suppresses the immune system delays the onset of AIDS in patients with HIV, according to a study published this week in BMC Medicine.

Lest we forget: Unforgettable images speak for those fallen
Before there was Omaha Beach and Iwo Jima, there was Verdun, the Somme and Ypres -- World War I meat grinders of newly invented forms of mechanized death.

Ongoing study evaluates pediatricians' effectivenes at violence prevention
Although 95 percent of parents think it's important to control their children's exposure to television, videos and computers, more than 60 percent have allowed their children to view these media as long as they want, and 30 percent have a television in their child's bedroom, according to research from Wake Forest University Baptist Medical Center.

Two Livermore scientists earn Presidential Early Career Awards for Scientists and Engineers
Edmond Chow and Christine Orme today will be honored with the 2002 Presidential Early Career Awards for Scientists and Engineers (PECASE) as science's foundation for the future.

Researchers define mechanism that enables stem cells to track migrating brain tumor cells
Neural stem cells, which have the ability to track deadly brain cancer cells as they migrate from a tumor to form new satellites, are potential transporters to deliver cancer-killing agents.

Adult marijuana abuse, dependence increased during 1990s
Addiction researchers at the National Institutes of Health compared marijuana use in U.S. adults in 1991-92 and 2001-02.

Computer modeling targets epidemics, bioterror
NIH has begun to study infectious disease spread and bioterrorism in a whole new way--through computational modeling.

States vary widely on indicators of education, workforce, R&D
Science and Engineering (S&E) Indicators 2004, a biennial report of the National Science Board to the president, presents for the first time a state-by-state breakdown of two dozen science and technology indicators.

The science of overcrowded life boats and other moral dilemmas
Scholars from philosophy, neuroscience, psychology, education and biology will come together at Dartmouth College from May 20-23 to compare notes about the insights each discipline offers in understanding the human capacity for moral reasoning.

Kids' year-round asthma symptoms triggered by parent's second-hand smoke
Children with asthma whose parents smoke at home are twice as likely to have asthma symptoms all year long than children of non-smokers, a new study shows.

Fishing kills Fijian coral reefs
Outbreaks of coral-eating starfish have occurred in Fiji resulting from overexploitation of the predatory fishes that normally limit its numbers.

Nancy Cartwright, UCSD Prof. of Philosophy, elected to membership in American Philosophical Society
One of the world's leading philosophers of science, University of California Professor of Philosophy Nancy D.

MDCT alone is effective in diagnosing spine injuries in blunt trauma victims
Plain film X-rays--the traditional initial means of diagnosing spine injuries in blunt trauma victims--are not necessary if an appropriate multidetector CT (MDCT) examination is done, a new study shows.

Testosterone gel (AndroGel(R)) study first to show long-term benefits and safety
Long-term use of AndroGel® (testosterone gel 1% CIII) is safe and effective for men with hypogonadism, a condition sometimes referred to as low testosterone, according to a new study published in the May issue of the Journal of Clinical Endocrinology & Metabolism.

Blood pressure for children and adolescents on the rise
Blood pressure among children and adolescents has increased over the past decade, with part of the increase related to an increased prevalence of overweight, according to a study in the May 5 issue of The Journal of the American Medical Association (JAMA).

Ads with 'supersized' actors leave men depressed, unhappy with their muscles, UCF study shows
TV images of muscular, bare-chested men lifting weights and endorsing cologne leave men feeling depressed and unhappy with their muscularity, which may lead to steroid abuse and unhealthy, extreme exercising, University of Central Florida researchers have concluded.

United States still leads in science and engineering, but uncertainties complicate outlook
The United States remains the world's leading producer of and a net exporter of high-technology products and ranks among the global leaders in research and development (R&D) spending.

Other highlights in the May 5 JNCI
Other highlights in the May 5 JNCI include a study of selenium plasma levels and the risk of advanced prostate cancer, a study that identifies a possible new target for inhibiting angiogenesis, an evaluation of the possible conflicts of interest of clinical trial participants, a study of glucocorticoid use and skin cancers, and a report on the development of a new method that may detect breast cancer metastases.

From biodefense to prostate cancer offense
Two molecular geneticists at the UC Davis Cancer Center have won $1.1 million in grants to turn biodefense technology into a new prostate cancer offense.

For a male sand goby, playing 'Mr. Mom' is key to female's heart
What's a little male fish's secret weapon for attracting the lady fish?

Mixed amphetamine salts significantly better than atomoxetine in treating children with ADHD
In one of the largest ADHD classroom trials conducted to date, children with attention-deficit/hyperactivity disorder (ADHD) achieved significantly greater improvement in both their behavior and attention, the core impairments of ADHD, with extended-release mixed amphetamine salts (MAS XR) compared to those treated with atomoxetine, reported investigators from the University of California, Irvine today at the 157th annual meeting of the American Psychiatric Association (APA) in New York. 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