Brightsurf Science News & Current Events

August 23, 2005
Nanomaterials to mimic cells
Mimicking a real living cell by combining artificial membranes and nanomaterials in one construction is the aim of a new research grant at UC Davis.

Diagnostic strategy may help determine stage of lung cancer more accurately
A preoperative testing strategy combining two procedures may help improve the accuracy of determining the stage of lung cancer, according to an article in the August 24/31 issue of JAMA.

Scientists focus on 'dwarf eye'
Working with an Amish-Mennonite family tree, Johns Hopkins Wilmer Eye Institute researchers have discovered what appears to be the first human gene mutation that causes extreme farsightedness.

No major disparity found in developmental outcomes w/ prompt v delayed ear tube insertion
A Children's Hospital of Pittsburgh study finds that prompt insertion of tympanostomy tubes (small ear tubes) does not improve developmental outcomes of children at 6 years of age as once thought.

'Heroes of Chemistry' honored for improving health, environment
Eighteen research chemists from five companies have been named Heroes of Chemistry by the American Chemical Society, the world's largest scientific society, for improving health and well-being by creating new drugs or other products and inventing environmentally friendly and more effective technologies.

Long-term, regular aspirin use associated with significant reduction in colorectal cancer risk
Women who took two or more aspirin or NSAIDs per week for more than 10 years significantly reduced their risk of colorectal cancer, according to an article in the August 24/31 issue of JAMA.

Second implant of US Pilot Trial achieved
Ventracor Limited today announced further progress in its US Pilot Trial with a second implant by surgeons at the University of Maryland Medical Center in Baltimore, US.

Thinking the pain away? Study shows the brain's painkillers may cause 'placebo effect'
Just thinking that a medicine will relieve pain is enough to prompt the brain to release its own natural painkillers, and soothe painful sensations, a new study finds.

Scientists make first step towards growing human lungs for transplant
Scientists have successfully converted human embryonic stem cells into lung cells, taking a first step towards building human lungs for transplantation.

New target found to fight, treat Parkinson's
Neuroscientists from the University at Buffalo have described for the first time how rotenone, an environmental toxin linked specifically to Parkinson's disease, selectively destroys the neurons that produce dopamine, the neurotransmitter critical to body movement and muscle control.

ACS Scholars Program for minorities reaches 10-year milestone
The American Chemical Society, the world's largest scientific organization, will celebrate the 10th anniversary of the ACS Scholars Program, one of the first financial support efforts to help underrepresented minorities pursue undergraduate degrees in the chemical sciences, at the 230th ACS national meeting this month in Washington, D.C.

Less extensive biopsy method helps diagnose cancer progression of large breast tumors
New breast cancer research shows for the first time that even women with large breast tumors can benefit from a less invasive biopsy method that has been reserved until now for women with small breast cancers.

'Out-of-body' experiences may come from within
Psychologists at The University of Manchester are investigating the idea that out-of-body experiences, commonly thought of as paranormal phenomena, may in fact have their roots in how people perceive and experience their own bodies.

Skokie, Ill., chemist Thomas Kucera honored for work with disabled
Thomas J. Kucera, Ph.D., a Skokie, Ill., chemist, will receive a Lifetime Achievement Award from the American Chemical Society for his work on behalf of disabled chemists.

Tungsten in the environment: National symposium, Aug. 29
A team of researchers from the Center for Environmental Systems (CES) at Stevens Institute of Technology are organizing a symposium on

Treatment for rare liver disease increases mortality risk
Patients with primary biliary cirrhosis who are treated with methotrexate have an increased risk of death, according to a new systematic review of studies.

Anemone armies battle to a standoff
Clashing colonies of sea anemones fight as organized armies with distinct castes of warriors, scouts, reproductives and other types, according to a new study.

Mouse model of Rett Syndrome displays reduced cortical activity
Sacha Nelson of Brandeis University in Waltham, MA and Rudolf Jaenisch of the Whitehead Institute of Biomedical Research in Cambridge, MA and their colleagues report online today in the Proceedings of the National Academy of Sciences Early Edition that spontaneous neuronal activity is reduced in the cortex of a knockout mouse model for the childhood neurodevelopmental disorder, Rett Syndrome.

Arctic Ocean could be ice-free in summer within 100 years, scientists say
If present trends continue, the current melting will accelerate, driving the Arctic to a new seasonally ice-free state unlike any the Arctic has experienced in the last million years, according to a report in the Aug.

Obese women undertreated for breast cancer
Doctors should not reduce chemotherapy doses for obese women oestrogen-receptor negative* breast cancer, according to a research letter being published online today (Wednesday August 24, 2005) by The Lancet.

Research on bicycle saddles and sexual health comes of age in The Journal of Sexual Medicine
Steven Schrader, a prominent researcher in sexual and reproductive health, philosophized in a guest editorial of the September issue of The Journal of Sexual Medicine that it is time to move on - the current scientific focus on the relationship between bicycle riding and sexual health has now shifted.

Study does not support use of anesthesia as heroin withdrawal method
The use of general anesthesia for heroin detoxification offers no benefit when compared to two other methods, and is associated with several potentially life-threatening adverse events, according to an article in the August 24/31 issue of JAMA.

Long-term aspirin use reduces risk for colorectal cancer
A new report from the Nurse's Health Study finds that regular, long-term aspirin use can significantly reduce the risk of colorectal cancer.

Hepatitis A vaccine not widely used for Hepatitis C patients
A new study examining whether patients with chronic Hepatitis C virus (HCV) were routinely vaccinated against Hepatitis A virus (HAV) found that vaccination rates were low, even though HAV vaccination is recommended for patients with chronic liver disease.

Investors beware: Private equity funds don't always live up to their reputation
Contrary to common belief, Private Equity does not consistently outperform the S&P 500.

Transmission of Hepatitis C among family members
In a new study, Egyptian and American researchers surveyed rates of HCV infection in two rural communities having a prevalence of antibody to HCV of 24 and 9 percent.

Airborne drones, mimicking gulls, alter wing shape for agility
The military's next generation of airborne drones won't be just small and silent - they'll also dive between buildings, zoom under overpasses and land on apartment balconies.

Dietary supplement chitosan not yet proven effective for weight loss
The dietary supplement chitosan shows some promise in treating overweight and obesity but has not been shown conclusively to be an effective weight loss aid, according to a new systematic review of current evidence.

A better screening test for infant iron deficiency?
A new blood test detects iron deficiency in infants earlier and more accurately than the commonly used hemoglobin screening test, according to a study in the August 24/31 issue of JAMA.

CCNY, Lehman experts find 'magnetic flames' in molecular magnets exhibit properties akin to fire
In a groundbreaking experiment, researchers from The City College of New York (CCNY) and Lehman College have measured the speed of magnetic avalanches and discovered that the process is analogous to the flame front of a flammable substance.

Bacteria are key to 'green' plastics, drugs
Commerical trials are underway in Kansas on a

Seeing the trees for the forest: WHRC scientists creating National Biomass and Carbon Dataset
Scientists at the Woods Hole Research Center are producing a high-resolution

Drugs that improve Parkinson's symptoms may not slow disease progression
A class of drugs known as MAO-B inhibitors may be effective in improving motor symptoms in people with early Parkinson's disease and may delay the need for treatment with other drugs, according to a new systematic review of current evidence.

Tracking the riddle of cosmic gamma rays
First simultaneous observation of a gamma-ray burst in the X-ray and in the very high energy gamma ray band.

Mentoring to meet the national need
Structured, national mentoring programs can help provide support and resources to minorities.

Now you see it, now you don't: 'Change blindness' isn't magic
A team of scientists at UCL (University College London) has discovered why we often miss major changes in our surroundings - such as a traffic light turning green when we're listening to the radio.

Penn study finds a new role for RNA in human immune response
Researchers at the University of Pennsylvania School of Medicine have published the first study to test the role of RNA chemical modifications on immunity. 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