Brightsurf Science News & Current Events

September 05, 2007
Scientists explain how insulin secreting cells maintain their glucose sensitivity
Scientists at the leading Swedish medical university Karolinska Institutet have now disclosed the mystery how the insulin-secreting cells maintain an appropriate number of ATP sensing ion channel proteins on their surface.

Joint Dark Energy Mission a top priority for NASA, says NRC
The National Research Council's Beyond Einstein Program Assessment Committee has recommended that the Joint Dark Energy Mission, supported by the National Aeronautics and Space Administration and the Department of Energy, be the first of NASA's Beyond Einstein cosmology missions to be developed and launched.

Presence of gene mutation helps guide thyroid cancer treatment
A specific gene mutation may be useful in predicting the level of aggression of thyroid cancer and help guide treatment options and follow-up care, according to new study findings.

Enzyme alerts cell's powerful army to repair DNA damage
Each day cells detect and repair daily assaults to our DNA.

Networks create 'instant world telescope'
For the first time, a CSIRO radio telescope has been linked to others in China and Europe in real-time, demonstrating the power of high-speed global networks and effectively creating a telescope almost as big as the Earth.

Food additives increase levels of hyperactivity in children in the general population
Artificial food color and additives (AFCA) commonly found in children's food exacerbate hyperactive behaviors in children at least up to middle childhood, according to an online article published by the Lancet.

Mold linked to asthma
A Cardiff University study has found that removing indoor mold improves the symptoms of people with asthma.

Dangerous liaisons
A German-American research collaboration discovers how the immune system can drive the formation of new species.

Study finds a high rate of asthma in college athletes
More than a third of college athletes assessed for breathing problems had test results suggesting exercise-induced asthma, even in those athletes who had no previous history of asthma, a new study shows.

Climatic variations influence the emergence of cholera in Africa
In studies aiming to understand better the emergence and persistence of cholera in Africa, IRD and CNRS researchers showed the strong correlation that exists between outbreaks and the different parameters linked to climate changes in West Africa.

Scripps Research scientists reveal pivotal hearing structure
A team of scientists made up of two laboratory groups from the Scripps Research Institute and one from the National Institutes of Health has shed light on how our bodies convert vibrations entering the ear into electrical signals that can be interpreted by the brain.

Brain's timing linked with timescales of the natural visual world
Researchers have long attempted to unravel the code used by the neurons of the brain to represent our visual world.

Ethnic minorities do stick with clinical research
A significant number of people from ethnic minority backgrounds can be persuaded to take part in research studies, according to a report published in the online open access journal, BMC Public Health.

Balzan Foundation announces 2007 winners
The 2007 Balzan Prizes were announced in Milan, Italy. The prizes were assigned to a British, two French, an American and a Japanese.

Coral reef fish harbor an unexpectedly high biodiversity of parasites
IRD researchers showed that Epinephilus maculates, a fairly abundant species of grouper off New Caledonia, was parasitized by 12 species of microscopic monogenean worms.

New CPR promises better results by compressing abdomen, not Chest
A biomedical engineer at Purdue University has developed a new method to perform cardiopulmonary resuscitation that promises to be more effective than standard CPR because it increases nourishing blood flow through the heart by 25 percent over the current method.

Dangerous technology -- Mobiles should be kept away from hospital beds
Mobile phones should come no closer than one meter to hospital beds and equipment, according Dutch research published in the online open access journal, Critical Care.

Refugia of the Brazilian Atlantic rainforest could be the basis for its regeneration
Changes that have occurred in Brasil tropical rainforest for more than 100 000 years were studied by a team of IRD researchers.

UCLA/RAND study shows that many children of HIV-positive parents are not in their custody
A new joint study by UCLA and the RAND Corp.

Primary biliary cirrhosis more severe in African-American and Hispanic patients
Non-Caucasian patients seeking medical care for primary biliary cirrhosis have more severe liver disease compared to Caucasian patients, a new study has found.

New 'knock-out' gene model provides molecular clues to breast cancer
New insights into the role of estrogen receptor in mammary gland development may help scientists better understand the molecular origin of breast cancer, according to new research from the University of Cincinnati.

Third International Conference on Engineering Failure Analysis in July 2008
Elsevier, world-leading publisher of scientific, technical and medical information products and services is pleased to announce that it will hold the Third International Conference on Engineering Failure Analysis on July 13-16, 2008.

Physicists establish 'spooky' quantum communication
Physicists at the University of Michigan have coaxed two separate atoms to communicate with a sort of quantum intuition that Albert Einstein called

Possible hepatitis C vaccine
The hepatitis C virus (HCV) infects up to 500,000 people in the UK alone, many of the infections going undiagnosed.

McGill study promises faster-acting anti-depressants
A McGill University study has found that a new class of drugs known as serotonin4 (5-HT4) receptor agonists may take effect four to seven times faster than traditional selective serotonin reuptake inhibitors.

Superbugs, shapes and nanotechnology
A common hospital superbug called Clostridium has a protective coat of armor that can self assemble when put into a test tube on its own, which may have important commercial uses in nanotechnology, according to scientists speaking today, Sept.

Adult brain can change, study confirms
It is well established that a child's brain has a remarkable capacity for change, but controversy continues about the extent to which such plasticity exists in the adult human primary sensory cortex.

Brewing a blast-less fertilizer
Down in the green, rolling hills and farmlands of Kentucky, Darrell Taulbee can often be found mixing up a batch of his homegrown fertilizer.

Farewell chicken tenders
Northwestern University is using an economics theory to rehab people with lousy health habits.

Targeting nerve growth factor may cure liver cancer
Biologists led by Dr. Serafino from the National Research Council of Italy published their surprising discovery that NGF and its receptor were aberrantly expressed in the liver of the patients troubled with liver cirrhosis and/or hepatocellular carcinoma (HCC).

SDSC launches user-settable supercomputer reservations
Supercomputers keep growing ever faster, racing along at the blazing speed of nearly one petaflops -- 10 to the fifteenth, or one thousand trillion calculations per second -- equivalent to around 250 thousand of today's laptops.

Gladstone scientists uncover potential mechanism of memory loss in Alzheimer's disease
Scientists have revealed a potential mechanism by which Amyloid beta, causes neurological disfunction in Alzheimer's patients.

BDSI secures US commercial partnership for BEMA Fentanyl with Meda AB
BioDelivery Sciences International, has entered into an exclusive and perpetual license and related supply agreement with Meda for North American commercialization rights to BDSI's flagship BEMA Fentanyl product for the treatment of

Curbing C. difficile's toxin production
Researchers at Tufts University have discovered how the protein CodY controls toxin production of Clostridium difficile, a bacterium that has caused epidemics of severe diarrhea in hospital patients.

MIT research details parasitic battles
Scientists at MIT's Department of Civil and Environmental Engineering and the Technion have recorded the entire genomic expression of a host bacterium and infecting virus over the eight-hour course of infection.

A faster class of antidepressants
Studies with rats have revealed the potential in an entirely new class of antidepressants that take effect after only days of treatment versus the weeks required for current drugs.

£5 million investment in personalized medicines to cut patient deaths
A £5 million investment in the development of personalized medicines at the University of Liverpool will see the introduction of treatments tailored for individual patients.

New study shows greenback cutthroat trout involved in recovery effort misidentified
A new study led by the University of Colorado at Boulder indicates biologists trying to save Colorado's native greenback cutthroat trout from extinction over the past several decades through hatchery propagation and restocking efforts have, in most cases, inadvertently restored the wrong fish.

U of M begins nation's first clinical trial using T-reg cells from cord blood in leukemia treatment
University of Minnesota researchers have initiated a ground breaking clinical trial to determine the optimal dose and safety of T regulatory cells (T-regs) to decrease the risk of immune reactions common in patients undergoing blood and marrow transplantation.

Skin oil -- ozone interactions worsen air quality in airplanes
Airline passengers and crews who gripe about poor cabin air quality could have a new culprit to blame: the oils on their skin, hair and clothing.

Hot ice, measuring depression, perfect invisibility and flu vaccine incentives
Highlights in this issue: Hot ice to lubricate artificial joints and heart valves; Measuring depression; Perfect invisibility; and Preventing flu epidemics with vaccine incentives.

Opportunity for students displaced by Katrina to assess climate vulnerability of Southeast US
World Wildlife Fund and the Allianz Foundation for North America today announced a new opportunity for high school students displaced by Katrina and now residing in nine US cities to assess the climate change vulnerability of the southeastern United States.

Fever causing headaches for Aussie parents
Australian parents need to be educated about managing fever in young children because many give medication incorrectly and often unnecessarily, according to a Queensland University of Technology nursing researcher.

Migrating squid drove evolution of sonar in whales and dolphins, researchers argue
Sperm whales, dolphins and other

SIAM Student Paper Prize winners announced
Ph.D. students awarded prestigious prizes for outstanding scholarly papers.

American Chemical Society calls green chemistry bill a 'smart step'
The American Chemical Society today praised House passage of legislation seeking to improve federal coordination, dissemination and investment in green chemistry research and development.

UC's NIH grant brings technology from outer space to playgrounds
Caretakers of children who are especially susceptible to air pollution (which can lead to increased risks of respiratory disease) will be able to identify locations in their everyday lives that contain high levels of particulate matter, thanks to research by an interdisciplinary team led by the University of Cincinnati and funded by the National Institutes of Health.

Sugary drinks, not fruit juice, may be linked to insulin
Consumption of sugar-sweetened drinks, not including 100 percent fruit juice, may be associated with insulin resistance, even in otherwise healthy adults, according to nutritional epidemiologists at the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University in Boston.

Mice with Alzheimer's disease suffer 'silent' seizures
Mice genetically engineered to have a disease like Alzheimer's have

Support and counseling helps Alzheimer's caregivers remain healthy
Counseling and support for people caring for a spouse with Alzheimer's disease helps to preserve their health, according to a new study.

Specific brain protein required for nerve cell connections to form and function
Scientists at the University of North Carolina at Chapel Hill School of Medicine have shown that a protein called neurexin is required for nerve cell connections to form and function correctly.

'Alien' jaws help moray eels feed
Moray eels have a unique way of feeding reminiscent of a science fiction thriller, researchers at UC Davis have discovered.

Research says doctor's gender may hinder early diagnosis of heart disease in women
New research in the US and UK by Warwick Medical School shows that a doctor's gender may hinder early hinder early diagnosis of heart disease in women.

Health equity for all: Time for action
A summary of the interim statement of the Commission on the Social Determinants of Health is published online by the Lancet.

Environmental stress probed in cardiovascular disease, diabetes
How environmental stress contributes to cardiovascular disease and type 2 diabetes is under study at the Medical College of Georgia.

HCV and HBV spreading more slowly among injection drug users in San Francisco
Injection drug users are still at a very high risk of acquiring hepatitis C (HCV) and hepatitis B (HBV); however, needle-sharing is less common, and users do not become infected as quickly as they did in the past.

New study examines brain-gut relationship in those suffering with stomach pain or discomfort
A new clinical study will explore the brain-gut interaction in patients with functional dyspepsia and whether certain drugs can effectively relieve symptoms of this disorder.

A possible route to preventing Alzheimer's cognitive decline?
In experiments with mice, researchers have discovered a mechanism by which the toxic brain protein produced in Alzheimer's disease (AD) could contribute to the cognitive deficits that are its hallmark.

How insulin TORC2 blood sugar levels: glowing mice light the way
With the help of genetically engineered mice whose livers turned into glowing light bulbs, researchers at the Salk Institute for Biological Studies have illuminated the underpinnings of an insidious and growing health concern -- type 2 diabetes.

Speeding data recording and analysis helps trap high-tech criminals
The EUREKA E! 3664 IT FORENSIC project has led to the development of the world's fastest hardware-based forensic system able to copy and protect digital evidence in computer crime cases.

Mouse with myotonic dystrophy type 1 finds RNA binding proteins at heart of problem
A new mouse model for myotonic dystrophy - the most common form of adult-onset muscular dystrophy - helped Baylor College of Medicine researchers show that levels of CUGBP1, a protein that binds and controls the activity of the genetic material RNA, increase early in affected cells of the animals with the disease.

'Holy Grail' of hearing: True identity of pivotal hearing structure is revealed
Researchers have shed new light on the hearing process by identifying two proteins that compose a key hearing structure where sound vibrations are converted into electrical signals.

Right breakfast bread keeps blood sugar in check all day
If you eat the right grains for breakfast, such as whole-grain barley or rye, the regulation of your blood sugar is facilitated after breakfast, lunch, and dinner.

Air France, ESA join to offer passengers unique view of voyage
Have you ever wished you could clearly see the mountains, coastline, desert, ocean or city underneath your aircraft as you flew over?

Role reversal as humans suck life out of leeches
Global warming may be to blame for the gradual extinction of cold-loving species, and the European land leech in particular, according to a study which will be published in the December issue of Springer's journal Naturwissenschaften.

Rutgers Genetics receives $7.8 million for autism research
The Simons Foundation has signed a $7.8 million, two-year contract with the Rutgers University Cell and DNA Repository to establish a collection of DNA samples for autism studies.

Study details regulation of vital tumor suppressor gene p53
So vital is the p53 tumor suppressor gene in controlling cancer that its dysfunction is linked to more than half of human cancers.

Researchers developing device to predict proper light exposure for human health
Scientists have long known that the human body runs like clockwork, guided by a circadian system that responds to daily patterns of light and darkness.

Heeding the WARNing from malaria's past
A global network to monitor drug resistance and guide malaria treatment and prevention policies is being launched.

Briefing on a new Web resource to address global drinking water crisis
The US National Academy of Sciences and the Global Health and Education Foundation are joining with more than 125 science, engineering and medical academies around the world to take action on the drinking water crisis faced by many countries by launching the Web initiative,

'QI' projects may -- or may not -- improve patient safety and outcomes
Mandatory classes that aim to improve the quality of medical care seem to successfully teach doctors new concepts but don't necessarily improve patient outcomes, suggests a thorough review of articles that examine quality improvement (QI) curricula.

A force for democracy -- or information chaos? expert forum spotlights blogging
Controversial Internet entrepreneur turned cultural critic Andrew Keen, who says the revolution of interactivity and user-generated content on the internet is leading to 'less culture, less reliable news and a chaos of useless information' is one contributor certain to ignite debate at the two-day conference at the University of York.

Bacteria successful in cancer treatment
Bacteria that thrive in oxygen starved environments have been used successfully to target cancer tumours, delivering gene therapy based anti-cancer treatments, according to scientists speaking today, Sept.

NASA's Beyond Einstein program
The Beyond Einstein program is NASA's research roadmap for five proposed mission areas to study the most compelling questions arising at the intersection of physics and astronomy.

1 sample examined by 1,000 pathologists -- how and why?
This week, more than 800 pathologists from around Europe and the world will take part in a first of its kind, large-scale virtual microscopy slide seminar on the web.

Engineers rescue aging satellites, saving millions
Researchers have used a new technique to save $60 million for broadcasters by extending the service life of two communications satellites. 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