Brightsurf Science News & Current Events

December 08, 2009
Small addition to cancer drug may make big difference
The addition of a small molecule to the cancer drug Temozolomide disrupts repair mechanisms in a type of tumor cells that is highly resistant to treatment.

ADA releases updated position paper on nutrient supplementation
While supplements can help some people meet their nutrition needs, eating a wide variety of nutrient-rich foods is the best way for most people to obtain the nutrients they need to be healthy and reduce their risk of chronic disease, according to a newly updated position paper titled

Merkel cells revealed as secret behind sensation of light touch
Scientists have proved experimentally what has been suspected since the discovery of Merkel cells in the skin over a century ago: the sense of light touch that is critical for hand dexterity would not be possible without these cells.

U of M studies psychological impact of casual sex
University of Minnesota Project Eating Among Teens researchers have found that young adults engaging in casual sexual encounters do not appear to be at increased risk for harmful psychological outcomes as compared to sexually active young adults in more committed relationships.

Hops compound may prevent prostate cancer
The natural compound xanthohumol blocks the effects of the male hormone testosterone, therefore aiding in the prevention of prostate cancer.

IAEA provides services to cope with a changing climate
The changing global climate threatens life-sustaining resources. Fresh water reserves and arable land are shrinking.

Business professor says lessons on ethics, character can prevent unethical behavior in the workplace
A Kansas State University professor's research is showing a gap between the character traits that business students say make a good executive and the traits they describe having themselves.

Treating cluster headaches with high-flow oxygen appears effective
Patients with a cluster headache, which is characterized by bouts of excruciating pain usually near the eye or temple, were more likely to report being pain free within 15 minutes of treatment with high-flow oxygen than patients who received a placebo treatment, according to a study in the Dec.

Why does percutaneous endoscopic gastrostomy fail to eliminate gastroesophageal reflux?
A research team from Greece investigated factors predicting failure of percutaneous endoscopic gastrostomy (PEG) to eliminate gastroesophageal reflux (GER).

ISWA calls attention to important contribution of waste sector to reduce substantial CO2 emissions
The International Solid Waste Association calls the attention of the delegates of the UN COP15 to the important contribution of the waste sector to reduce substantial CO2 emissions.

Plate-eating good: Université de Montréal professor designs edible tableware
Finishing your plate may soon take on a literal meaning.

Scripps Research scientists reveal key structure from ebola virus
Scientists at the Scripps Research Institute have determined the structure of a critical protein from the Ebola virus, which, though rare, is one of the deadliest viruses on the planet killing between 50 and 90 percent of those infected.

NC State vets lead way in disaster response for animals
Most people can picture the first responders who come to the rescue in the wake of a natural disaster.

Autologous stem cell transplantation for soft tissue sarcoma: insufficient research into therapy
Due to a lack of suitable studies, it is unclear whether patients with soft tissue sarcoma can benefit from autologous haematopoietic stem cell transplantation.

Possible ovarian cancer treatment target identified
A multi-institutional study has identified a potential personalized treatment target for the most common form of ovarian cancer.

Fatty food can weaken the immune system
Fresh evidence that fatty food is bad for our health has come to light: mice fed a lard-based diet over a long period got worse at fighting bacteria in the blood, reveals a thesis from the Sahlgrenska Academy at the University of Gothenburg.

Testosterone does not induce aggression
New scientific evidence refutes the preconception that testosterone causes aggressive, egocentric, and risky behavior.

New imaging technique reveals different heart motions by age, gender
New, precise imaging of the heart's motions showed important differences between men and women and different age groups.

Gene therapy and stem cells save limb
Blood vessel blockage, a common condition in old age or diabetes, leads to low blood flow and results in low oxygen, which can kill cells and tissues.

Superior offspring without genetic modification
We don't always turn out like our parents. Sometimes we become even better.

Study shows link between working memory and reactive parenting
Any parent knows that sometimes maintaining your cool with misbehaving children is a challenge.

UAB bone center director wins distinguished service award from clinical pathology society
Jay McDonald, M.D., helped author the current highest standards for laboratory testing of diabetes mellitus samples and has been an international leader in establishing clinical pathology as both a basic research and clinical discipline.

University of Toronto astronomer Ray Jayawardhana awarded 2009 Steacie Prize
Astrophysicist Ray Jayawardhana of the University of Toronto has been awarded the 2009 Steacie Prize, one of Canada's most prestigious honors for rising stars in science and engineering.

Researchers identify barriers to HPV vaccination uptake in low-income populations
Results of two separate studies show lower rates of HPV vaccination in low-income populations, and identify vaccination barriers and tailored interventions that may help to increase HPV vaccine uptake rates.

Supportive materials will help regenerate heart tissue
Bioengineers from University of California, San Diego, are developing new regenerative therapies for heart disease.

Turning metal black more than just a novelty
University of Rochester optics professor Chunlei Guo made headlines in the past couple of years when he changed the color of everyday metals by scouring their surfaces with precise, high-intensity laser bursts.

Brooding fishes take up nutrients from their own children
In the pipefish, the male cares for the offspring. Apart from the ones he sucks the life out of.

Special issue of Academic Pediatrics reports on state of pediatric oral health in US
In May 2000, Dr. David Satcher's landmark report,

New study finds low rate of injuries at overnight summer camp
Although a trip to summer camp is highly anticipated by over 11 million children and adults each year, sending a child off to summer camp can be a source of anxiety for parents.

UAF chooses shipyard to build Alaska Region Research Vessel
The University of Alaska Fairbanks has selected Marinette Marine Corporation of Marinette, Wis., to build the 254-foot Alaska Region Research Vessel.

'Art gallery' of cell recognized at ASCB annual meeting
The eerily beautiful but rarely seen world inside the miniscule cells that compose all living organisms took center stage Tuesday, Dec.

AIUM gears up for 2010 Annual Convention in San Diego, Calif.
The 2010 AIUM Annual Convention and Preconvention Program, to be held March 24-27, 2010, in San Diego, Calif., is the only medical imaging conference in the United States dedicated to all disciplines of medical ultrasound.

Creativity in mathematics
A collection of four articles in the January 2010 issue of the Notices of the American Mathematical Society explore some of the ways in which art and beauty appear in mathematics.

Why King Kong failed to impress
Humans have the same receptors for detecting odors related to sex as do other apes and primates.

NASA global precipitation measurement mission passes major review
NASA's effort to deploy the first satellite mission to advance global precipitation observations from space moved closer to this goal when agency officials approved critical elements for the Global Precipitation Measurement mission on Dec.

Women with breast cancer who consume soy food have lower risk of cancer recurrence
Although there is a concern regarding the safety of soy food consumption among breast cancer survivors, researchers have found that women in China who had breast cancer and a higher intake of soy food had an associated lower risk of death and breast cancer recurrence, according to a study in the Dec.

Nanoparticle protects oil in foods from oxidation, spoilage
Using a nanoparticle from corn, a Purdue University scientist has found a way to lengthen the shelf life of many food products and sustain their health benefits.

Life on Mars theory boosted by new methane study
Scientists have ruled out the possibility that methane is delivered to Mars by meteorites, raising fresh hopes that the gas might be generated by life on the red planet, in research published tomorrow in Earth and Planetary Science Letters.

Undergrad researchers lay groundwork for drug addiction remedy
Sarah Steele and Langtian

Study reveals how Arctic food webs affect mercury in polar bears
With growing concerns about the effects of global warming on polar bears, it's increasingly important to understand how other environmental threats, such as mercury pollution, are affecting these magnificent Arctic animals.

Spontaneous liver rupture in a patient with peliosis hepatis
A research team from South Korea presented a young male patient with aplastic anemia, who had received long-term treatment with oxymetholone.

Case Western Reserve to receive $19.7M to study tuberculosis treatment drugs
John L. Johnson, M.D., professor of medicine at Case Western Reserve University School of Medicine and pulmonologist at University Hospitals Case Medical Center has been awarded a 10-year, $19.7 million contract from the US Centers for Disease Control and Prevention as an international clinical trials site for the Tuberculosis Trials Consortium.

The impact of the diffusion of maize to the Southwestern United States
An international group of anthropologists offers a new theory about the diffusion of maize to the Southwestern United States and the impact it had.

Think again about keeping little ones so squeaky clean
A new Northwestern University study suggests that American parents should ease up on the antibacterial soap.

ASGE issues guidelines on management of antithrombotic agents for endoscopic procedures
According to a new guideline from the American Society for Gastrointestinal Endoscopy regarding the management of antithrombotic agents for endoscopy, aspirin and/or NSAIDs may be continued for all elective endoscopic procedures.

Screening method able to identify newborns with blood disorder that affects immune system
The testing of DNA from a statewide blood screening program for newborns in Wisconsin was able to identify infants with T-cell lymphopenia, a blood disorder that affects the child's immune system, a disease in which early identification is important, according to a study in the Dec.

University of South Florida patented drug center of $1B AstraZeneca-Targacept deal
A depression drug created and patented by a team of University of South Florida researchers is at the center of a major deal between global pharmaceutical company AtraZeneca PLC and Targacept Inc., potentially earning the university its most lucrative royalties to date.

FAO, Denmark COP15 side event on food security
The Danish minister of agriculture, the director-general of FAO, and the International Fund for Agricultural Development will host a panel on Dec.

Rapid cardiac biomarker testing system developed by Singapore scientists
A new rapid and sensitive integrated system tests simultaneously for specific cardiac biomarkers in finger prick amount of blood.

Rodent smoke screen
Rats passively exposed to tobacco smoke become dependent on nicotine, according to a new study by Dr.

Many dialysis patients undergoing PCI receive improper medication, with higher risk of bleeding
Approximately 20 percent of dialysis patients undergoing a percutaneous coronary intervention (PCI; procedure such as angioplasty) are given an antithrombotic medication they should not receive, which may increase their risk for in-hospital bleeding, according to a study in the Dec.

Immune Attack sheds light on the molecular world
While most American students have an intuitive grasp of popular music, professional sports and consumer electronics, they lack a basic understanding of cell biology.

Bone marrow cells may significantly reduce risk of second heart attack
After heart attack patients' arteries were cleared by reperfusion, progenitor cells, derived from the patients' own bone marrow, were infused into that artery.

The utility of EUS and CEH-EUS in the diagnosis of small pancreatic tumors
A research team from Japan reported a patient with small invasive ductal carcinoma of the pancreas that is distinct from branch duct intraductal papillary mucinous neoplasm (IPMN).

People living in poorer neighborhoods at increased risk for death, worse health risks
Regardless of an individual's dietary and lifestyle risk factors, living in a poorer or more socioeconomically deprived neighborhood may increase a person's risk for death, according to data presented at the American Association for Cancer Research Conference on Frontiers in Cancer Prevention Research, held Dec.

'Shoot-'em-up' video game increases teenagers' science knowledge
While navigating the microscopic world of immune system proteins and cells to save a patient suffering from a raging bacterial infection, young teenage players of the

MSU researcher unveils new approach to treat lower back pain
Using a branch of science that crosses disciplines to study complex problems, a Michigan State University researcher is introducing a new way to understand and treat lower back pain, a condition affecting more than 40 million Americans and costing billions of dollars each year.

Precision breeding creates super potato
The skin is light brown, the meat luscious and yellow: from the outside alone, this new potato looks like any other.

UT Houston researchers launch phase II trial of stem cells and acute heart attack
The second phase of a clinical trial testing a new stem-cell-based therapy on injured heart muscle has been launched by researchers at the University of Texas Medical School at Houston.

Hubble's deepest view of universe unveils never-before-seen galaxies
The new Wide Field Camera 3 aboard the NASA/ESA Hubble Space Telescope has taken the deepest image yet of the Universe in near-infrared light.

U. of I. business instructional facility achieves top 'green' standard
The state-of-the-art Business Instructional Facility at the University of Illinois has earned the world's highest honor for sustainable, environmentally friendly construction and design.

Most antidepressants miss key target of clinical depression
Most current antidepressants do not address a key brain chemical, monoamine oxidase-A, according to a study published in the Archives of General Psychiatry.

New international study targets rare cancer bringing hope for advanced thymic cancer patients
The Translational Genomics Research Institute (TGen) and Scottsdale Healthcare are testing a new drug specifically for thymic cancer based on early promising results at Scottsdale Healthcare.

Human umbilical stem cells cleared mice's cloudy eyes
Transplanting human stem cells from umbilical cords onto abnormally thin, cloudy corneas of lab mice significantly improved corneal transparency and increased thickness of animals' corneal stroma.

First-in-class treatment for acute leukemia
A new potential drug may offer breakthrough treatment for acute leukemia in older people who are unable to have a bone marrow transplant, and also new options for other types of cancer.

Pistachios may reduce lung cancer risk
A diet that incorporates a daily dose of pistachios may help reduce the risk of lung and other cancers, according to data presented at the American Association for Cancer Research Frontiers in Cancer Prevention Research Conference, held Dec.

UC Berkeley social scientists build case for 'survival of the kindest'
Researchers at the University of California, Berkeley, are challenging long-held beliefs that human beings are wired to be selfish.

Children's TV has questionable political themes, study shows
Most parents know to screen television shows for sex, violence or other negative messaging -- but what about children's shows themselves?

'Landmark' legal opinion finds that indigenous Brazilian tribe in Amazon owns carbon rights
A new legal opinion released today from one of the world's largest law firms has found that a vulnerable Brazilian tribe in the Amazon region owns carbon-trading rights in future global warming deals, a development that could preserve vast areas of the rainforest.

Leibniz Prize 2010: 10 winners receive honor, prize money and 'idyllic freedom'
The winners of the 2010 Leibniz Prize have been officially announced.

Parasite evades death by promoting host cell survival
Researchers have discovered how the parasite Trypanosoma cruzi, which causes Chagas' disease, prolongs its survival in infected cells.

Researchers finds hidden sensory system in the skin
Researchers report that the human body has an entirely unique and separate sensory system aside from the nerves that give most of us the ability to touch and feel.

TGen Clinical Research Services at Scottsdale Healthcare is first to test new drug by Italian firm
TGen Clinical Research Services at Scottsdale Healthcare is the world's first clinical trials site for a new drug designed to halt cancer cell division.

NASA captures a visible image of Cleo's new eye
The Moderate Imaging Spectroradiometer or MODIS instrument that flies on NASA's Aqua satellite has amazing resolution from space, and captured Cleo's cloudless eye early this morning.

Most primary-care physician practices appear too small to adequately measure quality
Most primary care physicians active in the Medicare program work in practices with too few patients to reliably measure significant differences in common measures of quality and cost performance, according to a study in the Dec.

Recovery Act dollars are stimulating research at the Medical College of Georgia
It's a $1.8 million shot in the arm to the largest grant the Medical College of Georgia has ever received.

XMM-Newton revolutionizes the way we view the universe
XMM-Newton, the most powerful X-ray observatory ever built and launched into space, marks its 10th anniversary on Dec.

Cut out the (estrogen) middleman
Estrogen has a dual role in brain as a hormone and, indirectly, as a neurotransmitter, according to PNAS study which suggests a strategy for replacing hormone therapy.

Solar energy powers Marines on battlefield
The Office of Naval Research Advanced Power Generation Future Naval Capabilities program introduced technology that allows US Marines to harness the sun to help power their field equipment.

Fast, accurate urine test for pneumonia possible, study finds
A research team, led by a UC Davis biochemist, has developed a urine test that can rapidly and accurately diagnose the cause of pneumonia-like symptoms.

Are manometric findings different between the patients with erosive and nonerosive disease?
A research team from Turkey found patients with erosive and nonerosive disease present with similar manometric abnormalities.

Antiretroviral therapy can be delivered safely in Africa without routine laboratory monitoring for toxic effects
Antiretroviral therapy can be delivered safely without routine laboratory monitoring for toxic effects, but differences in disease progression suggest a role for monitoring of CD4-cell count from the second year of ART to guide the switch to second-line treatment.

RIT astronomer mines Spitzer Space Telescope data for massive starbursts
Rochester Institute of Technology astronomer Dan Dicken is trying to determine the origin of infrared emission from powerful distant active galactic nuclei.

Study identifies genetic predeterminants for diabetes in African-Americans
Researchers at the University of North Carolina at Chapel Hill School of Medicine say a recent discovery suggests that inherited genetic variations exist between whites and blacks living in the US, leading to less efficient metabolism of glucose and predisposition to diabetes in blacks.

Researchers examine correlation between political speeches, voting
Although politicians are often criticized for making empty promises, when it comes to their voting records, their words may carry more weight than previously thought, according to findings by two Penn State information technology scientists.

H1N1 influenza adopted novel strategy to move from birds to humans
The 2009 H1N1 virus, which ignited a worldwide

Julien Gagnon's Rhode to Oxford
Julien Gagnon has been named one of two Quebec recipients of a 2009 Rhodes Scholarship.

Umbilical stem cells may help recover lost vision for those with corneal disease
New research from the University of Cincinnati may help in the recovery of lost vision for patients with corneal scarring.

Children who survive cancer more likely to suffer from heart disease
Children and adolescents who survive cancer have a significantly higher risk of developing heart disease as young adults, according to the largest study on this issue published on today.

Brain imaging shows kids' PTSD symptoms linked to poor hippocampus function
Psychological trauma leaves a trail of damage in a child's brain, say scientists at the Stanford University School of Medicine and Lucile Packard Children's Hospital. 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