Brightsurf Science News & Current Events

July 31, 2007
Hydrogen peroxide could cause absorbable sutures to come apart, UT Southwestern researchers report
Cleaning absorbable sutures with hydrogen peroxide dramatically decreases their tensile strength, researchers from UT Southwestern Medical Center have found.

Sex-trafficked girls and women from south Asia have high prevalence of HIV infection
Nearly 40 percent of repatriated Nepalese sex-trafficked girls and women tested were positive for HIV infection, with girls trafficked before age 15 having higher rates of infection, according to a study in the Aug.

Measuring nectar from eucalypts
In Australia, the effect of logging on canopy nectar production in tall forest trees has for the first time been investigated by NSW Department of Primary Industry researchers.

Stem cell therapy rescues motor neurons in ALS model
In a study that demonstrates the promise of cell-based therapies for diseases that have proved intractable to modern medicine, a team of scientists from the University of Wisconsin-Madison has shown it is possible to rescue the dying neurons characteristic of amyotrophic lateral sclerosis, a fatal neuromuscular disorder also known as Lou Gehrig's disease.

Scientists move closer to bio-engineered bladders
Researchers at the University of York are using an understanding of the special cells that line the bladder, urothelial cells, to develop ways of restoring continence to patients with serious bladder conditions, including cancer.

Cold Spring Harbor Laboratory, DuPont join forces to boost crop yields, meet global demand
Cold Spring Harbor Laboratory and DuPont today announced they have entered into a multiyear research collaboration for crop genetics research on yield enhancement, and development of enabling technologies in corn, soybeans and other important agricultural crops.

UK childhood cancer survival falling behind the rest of Europe
Children with cancer in the UK have shorter survival than their counterparts in other European countries.

Expert challenges earthquake theory behind Indonesian mud volcano
A leading expert today repeated his assertion that an Indonesian mud volcano was almost certainly man-made despite a new study claiming the eruption might have been triggered by an earthquake.

Particle emissions from laser printers might pose health concern
Certain laser printers used in offices and homes release tiny particles of toner-like material into the air that people can inhale deep into lungs where they may pose a health hazard, scientists are reporting.

OVATION expands drug development pipeline
OVATION Pharmaceuticals is initiating a clinical trial for intravenous carbamazepine in adult patients with epilepsy.

UC Riverside to host 8th International Conference on Heteroatom Chemistry
During Aug. 13-16, an international cast of chemists will discuss s and p block chemistry, also known as heteroatom chemistry, at the 8th International Conference on Heteroatom Chemistry, organized by UC-Riverside.

Testing the force of a shark's bite
Scientists are building a 3-D computer model to test the

Screening MRI allows detection of more breast cancers in high-risk women
Magnetic resonance imaging enables radiologists to accurately identify tumors missed by mammography and ultrasound, according to a multicenter study comparing the three screening methods in women at high-risk for breast cancer.

47th Interscience Conference on Antimicrobial Agents and Chemotherapy
Press registration is available online for the American Society for Microbiology's 47th Interscience Conference on Antimicrobial Agents and Chemotherapy being held Sept.

High rates of HIV infection documented among young Nepalese girls sex-trafficked to India
A study by Harvard School of Public Health researchers of girls and women who were sex-trafficked from Nepal to India and then repatriated, has found that 38 percent were HIV positive.

Climate change threatens Siberian forests
Catastrophic forest fire outbreaks in Siberia are happening more frequently because of climate change, new research published in the Journal of Climate on Aug.

MicroRNA conflict resolution
In the Aug. 1 issue of G&D, a team of Japanese scientists led by Dr.

For the first time, patterns of excitation waves found in brain's visual processing center
Neuroscientists have long believed that vision is processed in the brain along circuits made up of neurons, similar to the way telephone signals are transferred through separate wires from one station to another.

PTSD symptoms linked to more feelings of revenge in former African child soldiers
Former Ugandan and Congolese child soldiers who have more symptoms of post-traumatic stress disorder are less likely to be open to reconciliation and more likely to have feelings of revenge, according to a study in the Aug.

New data reveal pregnancies exposed to accutane despite risk management program
More than 120 pregnancies were exposed during the first year of iPledge, a mandatory program designed to prevent pregnant women from being exposed to the antiacne medication Accutane and similar medications containing isotretinoin (a known teratogen or birth defect-causing agent), a report revealed.

MGH researchers confirm that bone marrow restores fertility in female mice
A new study from Massachusetts General Hospital researchers confirms that female mice that receive bone marrow transplantation after fertility-destroying chemotherapy can go on to have successful pregnancies throughout their normal reproductive life.

The new face of identity protection: You
Facial recognition software can be useful for credit card numbers, PINs and national security.

Fish eyes could hold clue to repairing damaged retinas in humans
A special type of cell found in the eye has been found to be very important in regenerating the retina in zebrafish and restoring vision even after extensive damage.

Huntington's disease study shows animal models on target
An international team of researchers has published a benchmark study showing that gene expression in several animal models of Huntington's disease closely resembles that of human HD patients.

Rutgers scientists discover brain cell development process implicated in mental retardation
Scientists at Rutgers University have discovered a biological process in brain cell development that may help explain some causes of mental retardation.

Reducing inflammation plays key role in type 1 diabetes therapy
Researchers at Beth Israel Deaconess Medical Center have found that a triple combination therapy consisting of both tolerance-inducing and anti-inflammatory properties is successful in abolishing adverse autoimmunity against insulin-producing cells in a mouse model of type 1 diabetes.

High rates of PTSD and depression found among adults displaced by war in Uganda
A survey of adults displaced by war in northern Uganda found high rates of post-traumatic stress disorder and depression, and that these individuals were more likely to favor violent means to end the conflict compared to persons without these symptoms, according to a study in the Aug.

Child abuse, neglect rise dramatically when Army parents deploy to combat
Confirmed incidents of child abuse and neglect among Army families increase significantly when a parent is deployed to a combat zone, according to a new study by researchers at RTI International and the University of North Carolina at Chapel Hill School of Public Health.

Gold nanoparticles may pan out as tool for cancer diagnosis
When it comes to searching out cancer cells, gold may turn out to be a precious metal.

Defining the active site of Bax
In the Aug. 1 issue of G&D, scientists from the University of Nebraska Medical Center, led by Dr.

Study helps explain how HIV becomes AIDS
A new UC Irvine study sheds light on how HIV develops into AIDS and suggests a possible way to block the deadly transformation.

New databases put wings on search for bipolar risk genes
A novel, free, public online database opening this week should greatly speed efforts to find genes linked to increase risk of bipolar disorder.

Chickens dieting to help Delaware waterways
Millions of chickens in Delaware -- one of the nation's top poultry producers -- have been on a diet to reduce their impact on the environment and improve the health of the state's waterways, and it appears to be working.

National blood donor pool significantly smaller than previously thought
According to a new study in Transfusion, the number of individuals in the US who are eligible to donate blood may be smaller than previously believed -- approximately 60 million fewer people.

New UD tissue-engineering research focuses on vocal cords
Damaged or diseased vocal cords can forever change and even silence the voices we love, from a family member's to a famous personality's.

Screening for fragile skin
In Australia, White Dorper breeders and owners are hoping to eradicate a genetic disorder causing a lethal fragile skin condition among some of their drought-hardy flocks.

Phonics, whole-word and whole-language processes add up to determine reading speed, NYU study shows
Reading specialists have often pitted phonics against holistic word recognition and whole language approaches in the war over how to teach children to read.

Under magnetic force, nanoparticles may deliver gene therapy
After binding DNA segments to tiny iron-containing spheres called nanoparticles, researchers have used magnetic fields to direct the nanoparticles into arterial muscle cells, where the DNA could have a therapeutic effect.

Cell damage caused by brushing may help keep gums healthy
One way regular brushing may help keep gums firm and pink is, paradoxically, by tearing open cells, researchers have found.

Why do people have sex?
Many scientists assume people have sex for simple and straightforward reasons such as to experience sexual pleasure or to reproduce, but new research at the University of Texas at Austin reveals hundreds of varied and complex motivations that range from the spiritual to the vengeful.

Researchers find older folks don't get the joke
It's no laughing matter that older adults have a tougher time understanding basic jokes than do younger adults.

UF to lead research on life-threatening fungus
Hear the word fungus, and mushrooms and mold might leap to mind.

Pets could be source of multiresistant bacteria infections in humans, MU researchers investigate
The next time you have difficulty fighting a bacterial infection, your next trip to the doctor might be to the family veterinarian.

Circumstellar space: Where stars are born
Picture a cool place, teeming with a multitude of hot bodies twirling about in rapidly changing formations of singles and couples, partners and groups, constantly dissolving and reforming.

MIT aims for kinder, gentler scallop dredge
An MIT scientist has developed a new dredge for catching scallops that is more environmentally friendly than the standard devices used in the industry.

Rare example of Darwinism seen in action
A research team, including UC Riverside biologists, has found experimental evidence that supports a controversial theory of genetic conflict in the reproduction of those animals that support their developing offspring through a placenta.

Hallucinations in schizophrenia linked to brain area that processes voices
According to a study published in the August issue of Radiology, for the first time researchers using magnetic resonance imaging, have found both structural and functional abnormalities in specific brain regions of schizophrenic patients, who experience chronic auditory hallucinations.

'The Man Who Saved The Sea Turtles'
To those in the conservation movement, Archie Carr was one of the great heroes of the 20th century.

Study says normal but out-of-control enzyme may be culprit that signals some cells to become cancer
Working with human colorectal cancer cells, a University of Minnesota team, led by cancer biologists Zigang Dong and Ann Bode, has found the potential culprit among a network of enzymes that relay signals inside cells to regulate such functions as cell growth, cancer development and programmed cell death.

Mayo Clinic study finds focused ultrasound treatment of uterine fibroids long term symptom relief
A noninvasive, outpatient treatment for noncancerous uterine tumors provides sustained relief from symptoms, according to a new Mayo Clinic led collaborative study.

Mayo Clinic podcasts offer in-depth discussion
Mayo Clinic is launching a series of new free audio podcasts, so people can learn more about diseases or conditions that interest them, through in-depth discussions with Mayo Clinic experts.

2007 EURYI: 20 young researchers to receive Nobel Prize-sized awards for breakthrough ideas
Entering its fourth and final year the European Young Investigator Awards scheme is

Friedman School of Nutrition Science and Policy at Tufts announces 2nd annual symposium
The second annual Friedman School Symposium will be held Oct.

Hearing skills of barn owls could map way to find problems in humans
The hearing precision that lets common barn owls find prey is helping researchers fine tune their quest to diagnose a variety of problems rooted in the human brain, not only with hearing but also with behavior and potentially damaged areas.

CNSE and New Energy New York present the 2nd Annual New Energy Symposium
More than 450 attendees, including high-level energy industry executives, top state and federal government officials, and leading university researchers, are gathering at the College of Nanoscale Science and Engineering of the University at Albany on July 30 and 31 for the second annual New Energy Symposium, presented by New Energy New York and CNSE's Energy and Environmental Technology Applications Center.

Nanotechnology helps scientists make bendy sensors for hydrogen vehicles
Recently, scientists at the US Department of Energy's Argonne National Laboratory have used their insights into nanomaterials to create bendy hydrogen sensors, which are at the heart of hydrogen fuel cells used in hydrogen vehicles.

CAD increases accuracy of diagnosing liver fibrosis
Magnetic resonance CAD is useful in diagnosing fibrosis of the liver, according to a recent study conducted by radiologists at Gifu University School of Medicine in Gifu, Japan.

Strategic alliances between firms yield more patents, innovation, says study in Management Insights
Larger numbers of patents and more perceptible innovation are the outcomes of certain well-designed strategic alliances between firms, according to the Management Insights feature in the July special issue of Management Science on Complex Systems.

American buffalo slaughter fueled by international trade
University of Calgary environmental economist M. Scott Taylor argues that the virtual extinction of the plains bison in the United States was primarily the result of an insatiable demand for industrial leather in Europe in the late 1800s.

Displaced adolescent girls benefit from group therapy
Researchers from the Johns Hopkins Bloomberg School of Public Health and other institutions report that group interpersonal psychotherapy is effective in reducing depressive symptoms among adolescent girls affected by war and displacement.

Rates of child maltreatment in enlisted soldiers' families greater during combat-related deployments
Children of enlisted soldiers experience greater rates of neglect and maltreatment during periods of combat-related deployments, according to a study in the Aug.

Group psychotherapy effective for treating depression of teen girls affected by war in Africa
Group psychotherapy was effective in reducing depression among displaced adolescent girls who are survivors of war in northern Uganda, though the intervention was not effective for adolescent boys, according to a study in the Aug.

Reading a face is tricky business
Reading the face of a person who is trying to conceal fear or other emotions is tricky business, according to a new Northwestern University study of electrical activity in the brain.

Discovery in plant virus may help prevent HIV and similar viruses
In a study that could lead to new ways to prevent infection by human immunodeficiency virus and similar organisms, Purdue University researchers have been able to genetically modify a plant to halt reproduction of a related virus.

Reliable, fast simulations of complex events Virginia Tech mathematician's goal
Timely, accurate prediction or control of complex phenomena -- such as predicating the path of a hurricane or controlling a jet -- is the goal of Serkan Gugercin's National Science Foundation Faculty Early Career Development Program research.

Imaging technique accurate in aneurysm detection and therapy planning
Multidetector computed tomography angiography is highly accurate in depicting intracranial aneurysms, according to a study published in the August issue of Radiology.

Investigating antibiotic use in acute care patients
Pigs could be the key to understanding how antibiotic resistant bacteria persist in intensive care units in hospitals. 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