Brightsurf Science News & Current Events

November 03, 2005
Evacuation of elders during disasters to be addressed at GSA's upcoming annual meeting
To outline how the government, communities, and families can respond more effectively to the needs of the elderly in times of natural disaster, a panel of experts has been assembled for the closing session of the fast-approaching 58th Annual Scientific Meeting of The Gerontological Society of America (GSA).

New survey reveals older Americans' attitudes toward sleep and healthy aging
According to results of a new Gallup survey released today by the International Longevity Center-USA (ILC), almost half (46 percent) of older adults receive fewer than seven hours of sleep each night, and a quarter (25 percent) believe they have a

Yale scientists confirm how crystals form
A team of researchers at Yale University is the first to devise a way to predict the microstructure of crystals as they form in materials, according to a report in the September issue of Applied Physics Letters.

HIV-positive patients have shorter survival periods while awaiting liver transplants
A new study on HIV-positive patients eligible for liver transplants found that their survival while waiting for a transplant is significantly shorter than patients who are HIV-negative.

UCR environmental scientists propose chemical solution to cleaning California's Salton Sea
UC Riverside scientists are able to improve water quality by 90 percent in the rivers flowing into the Salton Sea, the largest lake in California, by using two kinds of water-treatment chemicals -- alum and polyacrylamide -- that remove phosphorus and silt from the river water.

New and sharper X-rays of cell's ribosome could lead to better antibiotics
The ribosome, a nano-machine that manufactures all of a cells' proteins, is also a target of many antibiotics.

Scientists show how thinking can harm brain cells
Scientists have targeted a new culprit and method of attack on neurologic functions in diseases such as Alzheimer's and dementia associated with HIV.

Twin molecular scissors link creation of microRNAs with gene-silencing
One of the body's primary strategies for regulating its genome is a kind of targeted gene silencing orchestrated by small molecules called microRNAs.

Gene expression profile helps predict chemotherapy response in ovarian cancer patients
A newly identified gene expression profile could help predict how patients with advanced ovarian cancer will respond to chemotherapy treatment.

Albert Szent-Györgyi Prize for Progress in Cancer Research to Harvard's Harold F. Dvorak, M.D.
The National Foundation for Cancer Research (NFCR) announced today that Harold F.

Asleep in the deep: Model helps assess ocean-injection strategy for combating greenhouse effect
In searching for ways to counteract the greenhouse effect, some scientists have proposed capturing the culprit -- carbon dioxide -- as it is emitted from power plants, then liquefying the gas and injecting it into the ocean.

Carbon nanotube membranes allow super-fast fluid flow
Membranes made with carbon nanotubes permit a fluid flow of 10,000 to 100,000 times the speed that conventional fluid flow theory would predict, researchers at the University of Kentucky report in the Nov.

Insect pheromone research wins Eppendorf/Science prize
Dr. Pingxi Xu has been awarded the 2005 international Prize in Neurobiology by the journal Science and Eppendorf.

Wild birds help to create human flu vaccine
Avian influenza virus samples collected from wild birds in Mongolia by field veterinarians from the New York City-based Wildlife Conservation Society (WCS) have been selected by the World Health Organization to be part of a new human pandemic influenza vaccine currently in development.

Tryptophan no turkey in boosting immune system, Stanford study shows
Tryptophan is the source of Thanksgiving legend and grist for a

Space tech onboard transatlantic racer
European space technology will boost the performance of at least one boat during this year's Transat Jacques Vabre international sailing contest.

New study uncovers major inaccuracies in global wildlife trade monitoring
A new study by scientists from Conservation International and the World Wildlife Fund shows that in some cases, the figures for trade recorded under the Convention on International Trade in Endangered Species (CITES) vary wildly from records kept by the US Customs Service.

Should doctors tell patients about expensive, unfunded drugs?
It is unethical and paternalistic for doctors to withhold information from patients about new drugs that are not yet publicly funded, say researchers in this week's BMJ.

Expert dispels bird flu paranoia
The risk of human bird flu infection is small in Australia and people can still safely eat chicken and keep pet birds, according to bird medicine specialist Dr Bob Doneley.

Building a personalised network of digital devices
Plans to develop protocols and devices that link together all the audio and video gadgets that clutter homes, handbags and briefcases will unleash an incredible array of new, personalised and location-based services.

Compound in wine reduces levels of Alzheimer's disease-causing peptides
A study published in the November 11 issue of the Journal of Biological Chemistry shows that resveratrol, a compound found in grapes and red wine, lowers the levels of the amyloid-beta peptides which cause the telltale senile plaques of Alzheimer's disease.

Scientists crack code for motor neuron wiring
Howard Hughes Medical Institute (HHMI) researchers have deciphered a key part of the regulatory code that governs how motor neurons in the spinal cord connect to specific target muscles in the limbs.

New ECCO 13 studies probe impact of haematological cancer therapy on future fertility
Despite the proven positives of chemotherapy and radiotherapy in improving clinical outcomes for cancer sufferers, these survival benefits can come at a cost.

Department of Energy grants fuel hydrogen research at UGA
Incorporating nanostructures may lead to more efficient hydrogen production and storage, according to researchers from the University of Georgia and the University of California, Santa Cruz who have secured $1.35 million in grants from the US Department of Energy (DOE) to work on clean energy technologies.

New findings help explain how brain pathways control body weight
A study led by a scientific team at Beth Israel Deaconess Medical Center (BIDMC) provides another important step in our understanding of the critical role that the brain's molecular pathways play in the development of obesity and related disorders.

Disease-causing protein protects against nerve damage in Parkinson's disease
Researchers at UT Southwestern Medical Center have discovered that a protein associated with causing neurodegenerative conditions may, when appearing in normal amounts, actually protect against neurodegeneration.

Hispanics urged to take charge of their heart health
Heart disease and stroke account for nearly 30 percent of all deaths among Hispanic Americans per year.

Dyslexia: risk gene is identified
Scientists at the universities of Marburg, Würzburg and Bonn together with Swedish colleagues from the Karolinska Institute in Stockholm have identified a gene contributing to the development of dyslexia in German children.

Canola oil may soon burn in engines rather than frying pans
A growing market for biodiesel fuels is heating up interest in canola among Texas producers.

Technique offers new view of dynamic biological landscape
A new technique for analyzing the network of genetic interactions promises to change how researchers study the dynamic biological landscape of the cell.

Latin America has high prevelance of lung diseases
The lung diseases, emphysema and bronchitis, are a greater health problem in Latin America than previously thought, concludes a study published online today (Friday November 4, 2005) by The Lancet.

Odd energy mechanism in bacteria analyzed
Scientists at Oregon State University have successfully cultured in a laboratory a microorganism with a gene for an alternate form of photochemistry - an advance that may ultimately help shed light on the ecology of the world's oceans.

Improved freight forwarding for historic city centres
Historic cities such as Siena, Aalborg and many 'old towns' within larger conurbations suffer excessively from the congestion and pollution that 21st century transport brings.

Making medicine 'smarter'
As much as patients would like for the word

Headlines about Herceptin show equality of access to costly drugs must be tackled
The recent press coverage on the use of Herceptin (brand name for the drug trastuzumab) for treating breast cancer in its early stages shows that issues of equal access to costly but effective drugs must be confronted, says an editorial in this week's BMJ.

Solving the mystery of the Tibetan Plateau
A University of Alberta physicist who helped solve the age-old mystery of what keeps afloat the highest plateau on earth has added more pieces to the Tibetan puzzle.

Five questions that need to be addressed at international flu meeting
Next week Geneva will host a major meeting about planning for and containing avian and human influenza.

Survey finds family conversation key to organ donation
With the black community facing an ever-growing need for organ donation, the findings of a national survey released today show that a family discussion about organ donation - one of the most important steps in the process of becoming an organ donor - is often overlooked, with more than 8 out of 10 African Americans unaware of the importance of speaking to their loved ones about their wish to become a donor.

New drug could substantially reduce deaths from heart attack
Adding the anti-platelet drug clopidogrel to aspirin for the emergency treatment of heart attacks could save thousands of lives each year, according to a study published in this week's issue of The Lancet.

Measure of obesity should be redefined to accurately assess heart attack risk
Waist-to-hip ratio, not body mass index (BMI), is the best obesity measure for assessing a person's risk of heart attack, concludes a global study published in this week's issue of The Lancet.

Researchers looking at how neighborhoods contribute to healthy lifestyles
Families living in the Nellies Cave Park area near Virginia Tech are helping researchers learn about healthy lifestyles and in return are getting information about their own health.

Ultrasound - a diagnostic tool for space, sports and more
An ultrasound training program for non-physicians gives astronauts and sports trainers the tools to assess injuries using real-time remote assistance from medical experts.

New sensor based on human organ is no tin ear
Researchers at the University of Michigan are developing a mechanical cochlea, a device that functions much like its human counterpart in the ear.

ECCO 13 - Sunitinib prolongs survival in GIST patients after imatinib mesylate failure
Updated results from a Phase III trial presented at the 13th European Cancer Conference (ECCO) show that sunitinib (SU11248) prolongs both progression-free and overall survival in patients with progressive metastatic and/or unresectable GIST whose disease has failed to respond to the standard therapy - imatinib mesylate.

New book on bipolar disorder targets 12 million affected Americans, families
A new guide to bipolar disorder helps patients and families cope with this complex disorder, also known as manic-depressive illness, with comprehensive advice on diagnosis, treatment and meeting the challenges of living with the disorder.

Doctors advised to plan their response to flu pandemic
Family doctors are advised to plan their response to managing a flu pandemic in this week's BMJ.

Neuroscientist Michael Gazzaniga to head novel center for the study of the mind at UC Santa Barbara
Michael Gazzaniga, founder of the cognitive neuroscience field, will join the faculty of UC Santa Barbara to lead a dynamic new interdisciplinary research center for the study of the mind.

Anti-aging hormone reduces reactive oxygen species
Scientists recently discovered an anti-aging hormone called Klotho. Now, a new study shows that this protein acts by increasing the cell's ability to detoxify harmful reactive oxygen species.

Oxford Open ­first quarter results show marked differences in uptake across disciplines
Oxford Journals has released the first results from its optional open access initiative, Oxford Open.

Conference announcement: Understanding Species Diversity on Earth
A research conference, 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