Brightsurf Science News & Current Events

April 03, 2009
Partner behavior better predicts STD risks
Risky behaviors such as not using condoms or having sex with multiple people put young adults at risk for contracting sexually transmitted diseases, but perhaps not as much as the characteristics of their sexual partners, University of Florida researchers say.

Computer based model helps radiologists diagnose breast cancer
Radiologists have developed a computer based model that aids them in discriminating between benign and malignant breast lesions, according to a study performed at the University Of Wisconsin School of Medicine, Madison, Wis.

Bird feathers produce color through structure similar to beer foam
Some of the brightest colors in nature are created by tiny nanostructures with a structure similar to beer foam or a sponge, according to Yale University researchers.

Does the stress of being a parent lead to decay in children's teeth?
A team of scientists from the Ohio State University has examined the stress levels of parents whose young children either had no cavities or so many cavities that the children had receive anesthesia before undergoing dental treatment.

Beating the back-up blues
That sinking feeling when your hard disk starts screeching and you haven't backed up your holiday photos is a step closer to becoming a thing of the past thanks to research into a new kind of computer memory.

Patent pending for pain-free method of monitoring drug levels in transplant patients
The US Patent and Trademark Office is reviewing a University of Rhode Island pharmacy professor's proposal to use saliva as a non-invasive way to monitor concentrations of anti-rejection drugs in patients that undergo transplants.

NPL wins at National SciCast Science Film Competition
On March 30, 2009, at the Royal Institution, the National Physical Laboratory's Andrew Hanson won

Researchers discover primer to plant defense system
By identifying a novel compound that primes a plant's immune system, researchers at Oak Ridge National Laboratory and the University of Chicago may be on a path to developing disease-resistant plants.

Malfunction of the respiratory epithelium is a cause of allergy?
According two recent Finnish studies, one reason for the development of allergy may be malfunction of the respiratory epithelium, which allows allergens to bind to, enter and travel through the epithelium.

Radiologists can dramatically lower cardiac CT radiation dose in some patients
Radiologists can now lower the radiation dose delivered by cardiac CT angiography by 39 percent in adult patients weighing 185 pounds or less, according to a study performed at the University of Erlangen in Erlangen, Germany.

Locking parasites in host cell could be new way to fight malaria
Researchers at the University of Pennsylvania have discovered that parasites hijack host-cell proteins to ensure their survival and proliferation, suggesting new ways to control the diseases they cause.

Can periodontal disease act as a risk factor for HIV-1?
Today, during the 87th General Session of the International Association for Dental Research, convening at the Miami Beach Convention Center, a group of scientists from Nihon University (Tokyo, Japan) will present findings suggesting that periodontal disease could act as a risk factor for reactivating latent HIV-1 in affected individuals.

Scientists show how a neuron gets its shape
For the brain to work, neurons have to be connected in the right places.

Researchers identify personality traits
Researchers from Boston University School of Medicine's New England Centenarian Study have noted specific personality traits associated with healthy aging and longevity amongst the children of centenarians.

Cellular target may prove useful in treating deadly brain tumors
Duke University researchers have identified a receptor on the surface of cells that may give them another avenue of attack against glioblastoma, the most common and most deadly type of brain cancer.

Phasic firing of dopamine neurons is key to brain's prediction of rewards
Researchers are one step closer to understanding the neurobiology that allows people to successfully learn motivated behaviors by associating environmental cues with rewarding outcomes.

Penn researchers demonstrate a new model for drug discovery with a fluorescent anesthetic
A collaboration of Penn and University of Wisconsin of researchers has identified a fluorescent anesthetic compound that will assist researchers in obtaining more precise information about how anesthetics work in the body and will provide a means to more rapidly test new anesthetic compounds in the search for safer and more effective drugs.

SNM calls CMS PET scan decision a major benefit for cancer patients
SNM applauds today's decision by the Centers for Medicare and Medicaid Services (CMS) to expand coverage of positron emission tomography (PET) scans in the initial treatment strategy of patients with cancer.

Nicotine may have more profound impact than previously thought
Brown University researchers have identified 55 proteins that interact with a receptor in mice known previously to bind with nicotine.

Dissecting a stellar explosion
Integral has captured one of the brightest gamma-ray bursts ever seen.

Intestinal cancer in spite of screening
Only every second patient with colorectal carcinoma had taken part in an early detection program within the last ten years.

Bath awarded £3.4 million ($5 million) to help business benefit from its research
The University of Bath has been awarded £3.4 million to help take research into business.

The University of Oklahoma to hold commissioning ceremony for newest radar
The University of Oklahoma's newest radar, OU-PRIME (Polarimetric Radar for Innovations in Meteorology and Engineering), will be commissioned on Saturday, April 4, at the university's Research Campus.

Study: Sports drink consumption can cause tooth erosion
While sipping on sports drinks all day may provide an energy boost, this popular practice is also exposing people to levels of acid that can cause tooth erosion and hypersensitivity, NYU dental researchers have found.

Long-acting insulin analogues in type 2 diabetes: advantage over human insulin not proven
It has not been proven that long-acting insulin analogues have an advantage over human insulin in patients with type 2 diabetes.

Model tissue system reveals cellular communication via amino acids
A team of researchers from the Massachusetts General Hospital Center for Engineering in Medicine has found the first evidence of cell-to-cell communication by amino acids, the building blocks of proteins, rather than by known protein signaling agents such as growth factors or cytokines.

Maternal personality affects child's eating habits
Mothers with many negative thoughts and feelings are more likely to give their children unhealthy food.

Young women warned of lung cancer risks
Seventeen people are still dying from lung cancer each week in Northern Ireland despite a small improvement in survival rates for the disease.

2009 AIBS Media Award
Chip Rowe, a senior editor of Playboy magazine, has won the 2009 Media Award of the American Institute of Biological Sciences, given to a journalist for outstanding reporting on biological research in either print or broadcast journalism.

U of Minnesota scientists to explore deepest mysteries of symbiosis in legumes
Scientists from the University of Minnesota hope to better understand the genetics of symbiosis, the process that produces the nitrogen that feeds plants, through a new three-year $5.7 million National Science Foundation grant.

National Science Foundation teams with NASCAR to reveal 'The Science of Speed'
Science educators have a new way to engage science students in grades 8-12; they can turn to NASCAR.

Largest private donation of cotton technology set to advance public research
Texas AgriLife Research has received the largest private donation of cotton technology from Monsanto.

2-day symposium in Baltimore to tackle the promises and perils of proton radiotherapy
Proton therapy has been hailed as a revolutionary cancer treatment, with higher cure rates and fewer side effects than traditional X-ray photon radiotherapy.

Radiation dose can be reduced for 'triple rule-out' coronary CT angiography
Physicians can dramatically reduce the radiation dose delivered to patients undergoing coronary CT angiography in a

GEN highlights increasing use of digital gene expression profiling
A novel technique for carrying out gene-expression profiling is set to challenge the market dominance of the current, widely used methodology, reports Genetic Engineering & Biotechnology News.

University of Kansas graduate student researcher takes aim at deadly brain tumors
Natalie Ciaccio, a fourth-year graduate student researcher in the department of pharmaceutical chemistry at the University of Kansas, is investigating what might be an ideal target for anti-cancer drug therapy, and she is focusing her work on brain tumors specifically.

Titan may have subsurface ocean of hydrocarbons, says Stanford researcher
Saturn's largest moon, Titan, may have a subterranean ocean of hydrocarbons and some topsy-turvy topography in which the summits of its mountains lie lower than its average surface elevation, according to new research.

Public lecture to focus on evolution's effect on health and disease
How evolution affects health and disease is the focus of a public lecture at UC Riverside by evolutionary biologist Marlene Zuk.

Big men more susceptible to atrial fibrillation
Older men who were big during their 20s face an increased risk of suffering from atrial fibrillation, or abnormal heart rhythm.

Bent tectonics: How Hawaii was bumped off
Volcanoes and islands are dotted along the Hawaii-Emperor seamount chain like pearls on a necklace.

University of Kansas engineers use composite materials to extend life of existing bridges
A team of University of Kansas engineers is testing a new class of devices that could double the life of America's existing bridges using composite materials.

A young pulsar shows its hand
A small, dense object only twelve miles in diameter is responsible for this beautiful X-ray nebula that spans 150 light years.

Fluorescent cancer cells to guide brain surgeons
Malignant brain tumors grow with fine extensions which make them hard to distinguish from healthy brain tissue during surgery.

Getting the word out when the need for speed is critical to public health
Researchers from the Regenstrief Institute Inc., in collaboration with the Marion County Health Department, have developed and tested a technology that allows public health officials to abandon a traditional, inefficient paper approach to alerting the medical community about public health crises in favor of an electronic strategy to seamlessly, and instantly push out information critical to patient care.
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