Brightsurf Science News & Current Events

June 03, 2010
3rd annual Ft. Defiance Cancer Awareness Conference set for June 5
A cancer conference dedicated to increased awareness about cancer among the Navajo people is helping bridge Western and Native American approaches to disease and treatments.

Study finds epigenetic similarities between Wilms tumor cells and normal kidney stem cells
A detailed analysis of the epigenetics -- factors controlling when and in what tissues genes are expressed -- of Wilms tumor reveals striking similarities to stem cells normally found in fetal kidneys.

Chaotic laser brings out higher precision OTDR
Prof. Wang Yuncai's group, from the department of physics, Taiyuan University of Technology, Shanxi, has found that the chaotic semiconductor laser brings about a novel optical time domain reflectometry (OTDR) method for precisely locating fiber breakpoints with 6 cm spatial resolution.

UT Southwestern unveils next generation CT scanner that views whole organs in a heartbeat
UT Southwestern Medical Center is the first site in North Texas to launch the next generation in CT scanners, which allow doctors to image an entire organ in less than a second or track blood flow through the brain or to a tumor -- all with less radiation exposure to patients.

New study shows that the major events of the Jewish diaspora can be seen in the genomes of the Jewish people
Through the use of sophisticated genomic analysis, researchers at NYU Langone Medical Center have found that the genetic influences of the Jewish people have retained their genetic coherence, as well as their cultural and religious traditions, even as Jewish communities migrated from the Middle East into Europe, North Africa and across the world.

Biosensors reveal how single bacterium gets the message to split into a swimming and a stay-put cell
When certain bacteria reproduce by splitting in two, one cell inherits a propeller for swimming and the other builds a stalk to cling to surfaces.

Cell Transplantation reports consistent and successful islet isolations offer diabetes hope
Inconsistent islet isolation is an important issue in islet transplantation.

Adolescent brains biologically wired to engage in risky behavior, study finds
There are biological motivations behind the stereotypically poor decisions and risky behavior associated with adolescence, new research from a University of Texas at Austin psychologist reveals.

Cysts hold clues to pancreatic cancer
Working with researchers from the University of Michigan and Indiana University, Van Andel Research Institute investigators have developed a method that could be used to predict whether pancreatic cysts are benign or are precursors to invasive cancer.

Low-dose HRT patches carry less risk of stroke than tablets
Hormone replacement therapy skin patches containing low doses of estrogen carry less risk of stroke than oral therapy and may represent a safer alternative to tablets, suggests a study published on today.

OSA to launch new journal, Optical Materials Express
The Optical Society today announced it will launch a new journal devoted to optical materials, called Optical Materials Express.

Caltech biologists provide molecular explanation for the evolution of Tamiflu resistance
Biologists at the California Institute of Technology (Caltech) have pinpointed molecular changes that helped allow the global spread of resistance to the antiviral medication Tamiflu (oseltamivir) among strains of the seasonal H1N1 flu virus.

Superbug's CPU revealed
A team from the Michael G. DeGroote Institute for Infectious Disease Research at McMaster University has revealed that a small chemical, made by the superbug Staphylococcus aureus and its drug-resistant forms, determines this disease's strength and ability to infect.

Faculty to lead FDA-sponsored examination of ethical, scientific issues in drug-safety studies
The director and a core faculty member of the Johns Hopkins Berman Institute of Bioethics have been appointed co-chairs of an Institute of Medicine committee that will evaluate the scientific and ethical issues involved in studies of drug safety after FDA approval.

Study: ER computer keyboards and bacteria
Keyboards located in triage and registration areas were found to be more contaminated with bacteria than those in other areas of the emergency department at Henry Ford Hospital in Detroit, according to a new study conducted by the hospital.

Single-particle resonances in a deformed relativistic potential
Positive-parity single-neutron levels in an axially-deformed relativistic quadrupole Woods-Saxon potential are analyzed.

Autism finding could lead to simple urine test for the condition
Children with autism have a different chemical fingerprint in their urine than non-autistic children, according to new research published tomorrow in the print edition of the Journal of Proteome Research.

10 reasons why women and children remain invisible
In a comment in this week's Women Deliver Special Edition of the Lancet, Editor Dr.

Yangtze River's ancient origins revealed
A study of minerals by a team led by Durham University reveals that the Yangtze River began to cut the Three Gorges area around 45 million years ago, making it much older than previously believed.

Key nutrient in maternal diet promises 'dramatic' improvements for people with Down syndrome
A new study done at Cornell University and published June 2 in the peer-reviewed journal Behavioral Neuroscience found that more choline during pregnancy and nursing could provide lasting cognitive and emotional benefits to people with Down syndrome.

UNC study: Most kidney dialysis patients not prepared for emergency evacuation
A survey of kidney dialysis patients by UNC School of Medicine researchers finds that most have not taken the emergency preparedness measures that would enable them to survive a hurricane or any other disaster that disrupts power and water services.

A community-centric approach to automated service composition
The Key Laboratory of High Confidence Software Technologies, Ministry of Education, in Beijing, China-Research, has shown that the emerging service based software development paradigm with community-of-interest as well as the infrastructural mechanisms.

Gates open on understanding potassium channel controls
Walter and Eliza Hall Institute scientists have made a significant advance in understanding how potassium channels, which permit the flow of electric currents central to many of the body's biological processes, control the flow of these currents.

Growth hormone safe for infants with chronic kidney failure
Infants with chronic renal failure (CRF) grow slowly, a problem that usually improves with aggressive nutritional therapy.

UF oncologists fight leukemia with two-pronged therapy, clinical trials planned
University of Florida researchers have used an agent, called Oxi4503, to poison leukemia cells and destroy the blood vessels that supply the cells in mouse models of acute myelogenous leukemia, or AML.

520-day Mars mission simulation
On June 3, a six-man international crew enters an isolation chamber in Moscow for a simulated 520-day Mars mission.

Coral transplantation the simple and cheap solution to reef restoration
It is a question asked by marine scientists from the Gulf of Mexico to the Great Barrier Reef; how best to restore coral reefs and marine habitat once it has been damaged or even killed?

Good grades? It's all in who you know
Adolescents who have more friends who attend the same school had higher GPAs than those who had friends from out-of-school they met elsewhere.

New UCLA book explores birth of religious tolerance
A new UCLA-Dutch book tells the improbable history of 18th century survey of all the world's religions

UM School of Medicine study finds vaginal microbes vary among healthy women
The delicate balance of microbes in the vagina can vary greatly between healthy women, according to a new study led by the University of Maryland School of Medicine's Institute for Genome Sciences.

John Theurer Cancer Center experts present new cancer research at ASCO Annual Meeting
The John Theurer Cancer Center at Hackensack University Medical Center announced today important research findings that will be presented at the American Society of Clinical Oncology annual meeting taking place June 4-8, 2010, in Chicago.

Inspiratory muscle training and endurance sport performance
An Indiana University study found that strengthening inspiratory muscles by performing daily breathing exercises for six weeks significantly reduced the amount of oxygen these same breathing muscles required during exercise, possibly making more oxygen available for other muscles.

Big Brother in the wild
Tracing the success of individual wild insects in leaving descendants is now possible, according to new research by University of Exeter biologists using a combination of digital video technology, tagging and DNA fingerprinting.

Fires in Amazon challenge emission reduction program
Fire occurrence rates in the Amazon have increased in 59 percent of areas with reduced deforestation and risks canceling part of the carbon savings achieved by UN measures to reduce greenhouse gas emissions from deforestation and degradation.

Ben-Gurion University students develop device to help blind manuever
The radar system incorporates a computer, two video cameras and a scanning light source to warn the blind of obstacles with audible alerts.

Online games new marketing tool for unhealthy foods
UC Davis public health researchers have found that children, who are already saturated with television messages about unhealthy food choices, are the targets of a new medium used to sell high-fat, high-sugar foods: advergames.

Physicists and medics set out strategy on physics for health
Following a workshop hosted by the CERN European particle physics laboratory in February, doctors and physicists today published a strategy for harnessing physics for health.

Aquatic life declines at early stages of urban development
The number of native fish and aquatic insects, especially those that are pollution sensitive, declines in urban and suburban streams at low levels of development -- levels often considered protective for stream communities, according to a new study by the US Geological Survey.

Study finds genetic links among Jewish people
Using sophisticated genetic analysis, scientists at Albert Einstein College of Medicine of Yeshiva University and New York University School of Medicine have published a study indicating that Jews are a widely dispersed people with a common ancestry.

Gaps in FDA's food safety program tackled in IOM report releasing June 8
Recent outbreaks of illnesses traced to contaminated sprouts and lettuce illustrate the holes that exist in the system for monitoring problems and preventing food-borne diseases.

Moving repeatedly in childhood linked with poorer quality-of-life years later
Moving to a new town or even a new neighborhood is stressful at any age, but a new study shows that frequent relocations in childhood are related to poorer well-being in adulthood, especially among people who are more introverted or neurotic.

Pitt team finds commonly used seizure drug could treat severe genetic liver disease
The liver scarring of α1-antitrypsin deficiency, the most common genetic cause for which children undergo liver transplantation, might be reversed or prevented with a medication long used to treat seizures, according to researchers at Children's Hospital of UPMC and the University of Pittsburgh School of Medicine.

Stage II and stage III colon cancer patients treated after 1995 have improved overall survival
Patients with stage III colon cancer treated with 5-FU-based chemotherapy after complete surgical removal of their tumor after 1995 had improved overall survival with no change in time to recurrence compared to patients treated before 1995.

Lack of skilled birth care costs 2 million lives each year
A lack of skilled attendants at birth accounts for 2 million preventable maternal deaths, stillbirths and newborn deaths each year, according to the newly released Countdown to 2015 Decade Report (2000-2010).

Inducing a safety memory in the brain
Researchers at the University of Puerto Rico, School of Medicine have found a way to pharmacologically induce a memory of safety in the brain of rats.

The biomechanics of information
The hunting strategy of a slender fish from the Amazon is giving researchers more insight into how to balance the metabolic cost of information with the metabolic cost of moving around to get that information.

How did higher life evolve?
With the world's first complete sequencing of a brown algal genome, an international research team has made a big leap towards understanding the evolution of two key prerequisites for higher life on Earth -- multicellularity and photosynthesis.

U of Minnesota researcher finds that flooring can affect how consumers make purchase decisions
Can the difference between carpet and hard tile flooring affect how you make decisions?

Joint source-channel encoding/decoding techniques for reliable communications
Joint source-channel coding/decoding (JSCC/JSCD) techniques have become state-of-the-art and one of the challenging research subjects in the spatial communication area.

Innovative research reawakens human memories through intelligent textiles
As part of the 2010 Congress of the Humanities and Social Sciences, two teams of researchers led by Professor Barbara Layne of Concordia University, Montreal, and Professor Janis Jefferies at Goldsmiths, University of London, UK, have brought research in intelligent textiles to a new level.

ASU instrument on NASA rover helps identify outcrop of long-sought rare rock on Mars
A mineral-scouting instrument developed at Arizona State University has found an outcrop of rock rich in carbonate minerals in the Columbia Hills of Gusev Crater on Mars.

$1.8 million awarded for palliative care research to improve care of seriously ill patients
The American Cancer Society and the National Palliative Care Research Center are awarding $1.8 million in research grants to researchers at 12 institutions for studies aimed at reducing suffering for seriously ill patients and their family caregivers.

Common genetic threads link thousands of years of Jewish ancestry
Using sophisticated genomic analysis, scientists have probed the ancestry of several Jewish and non-Jewish populations and better defined the relatedness of contemporary Jewish people.

Scientists create artificial mini 'black hole'
Chinese researchers have successfully built an electromagnetic absorbing device for microwave frequencies.

Spending time in nature makes people feel more alive, study shows
Being outside in nature makes people feel more alive, finds a series of studies published in the June 2010 issue of the Journal of Environmental Psychology.

DMP brings about new design space for virtualization technology
The department of computer science and technology, Peking University, has recently reported in Science China that with Dynamic Memory Paravirtualization, binary code in the guest operating system can be dynamically patched by the hypervisor to significantly reduce virtualization overhead and achieve high performance.

Mongooses pass traditions on to their young, too
For the passing on of traditions, it appears that an especially big brain isn't required.

Ph.D. thesis opens doors to obtaining chemical products and materials using biomass as raw material
Chemical products, energy sources, oils, paints, and more ... from biomass as a raw material many more things than might be thought can be obtained.

ASGE issues guideline on ethnic issues in endoscopy
The American Society for Gastrointestinal Endoscopy has issued guidelines addressing ethnicity, gastrointestinal diseases and endoscopic procedures.

NASA satellites see monster Cyclone Phet slamming northeastern Oman today
NASA's Tropical Rainfall Measuring Mission and Aqua satellites are keeping a close eye on Cyclone Phet, a monster cyclone in the Arabian Sea, now affecting coastal Oman.

Compression clothing and athletic performance -- functional or fad?
Two Indiana U. researchers examined whether compression garments for the lower legs and upper thighs influenced athletic performance and found little effect.

Carnegie Mellon's soccer-playing robots get creative with physics-based planning
Robot soccer players from Carnegie Mellon University competing in this month's RoboCup 2010 world championship in Singapore should be able to out-dribble their opponents, thanks to a new algorithm that helps them to predict the ball's behavior based on physics principles.

Pheromone responsible for male mouse 'sex appeal'
Scientists at the University of Liverpool have identified a protein pheromone in mouse urine that is responsible for female attraction to particular male mice.

Names of the 2010 Kavli Prize recipients announced
Eight scientists whose discoveries have dramatically expanded human understanding in the fields of astrophysics, nanoscience and neuroscience have been recognized with the award of the 2010 Kavli Prizes.

University Hospitals Case Medical Center experts present at ASCO Annual Meeting
Researchers from University Hospitals Case Medical Center's Ireland Cancer Center will present new clinical research findings at the 46th Annual Meeting of the American Society of Clinical Oncology June 4-8 in Chicago.

Early Earth haze likely provided ultraviolet shield for planet, says CU-Boulder study
A new study shows a thick organic haze that enshrouded early Earth several billion years ago may have been similar to the haze now hovering above Saturn's largest moon, Titan, and would have protected primordial life on the planet from the damaging effects of ultraviolet radiation.

Only 5 years left for countdown to 2015 -- Brazil and China
With just five years to go until the Millennium Development Goal target year of 2015, nearly three-quarters of the 68 countries in which more than 90 percent of child under-five deaths occur are showing accelerated progress in reducing child mortality.

For the first time, scientists capture very moment blood flow begins
By capturing movies of both the blood and vasculature of zebrafish embryos, each less than two millimeters long, researchers have been able for the first time to see the very moment that blood begins to flow.

Pliocene cyprinids from Kunlun Pass Basin, northeastern Tibetan Plateau
This paper reports fossil cyprinids from the Kunlun Pass Basin on the Tibetan Plateau, indicating comparatively rich waters in the area and possible connections between the water systems on north and south sides of the East Kunlun Mountain and thus a more humid climate during the Pliocene than it is today.

New gene therapy proves effective in treating severe heart failure
Researchers at Mount Sinai School of Medicine have developed a new gene therapy that is safe and effective in reversing advanced heart failure.

ARS scientists seek blight-resistant spuds
Agricultural Research Service scientists in Idaho are coordinating a unique program to develop new potato lines that resist different biotypes of the late-blight fungus, Phytophthora infestans, best known for its role in the Irish potato famine of 1845.

UNC and Olympus partner to open advanced imaging center for life science research
The University of North Carolina at Chapel Hill today opened the doors of a new facility designed to be one of the world's most sophisticated research centers devoted to life science imaging.

2 studies: Social factors, 'super users' and urban emergency departments
Difficulties with shelter, transportation, insurance, and health care costs are linked with heavier emergency department usage by so-called

Olive-oil enriched diet helps breast cancer survivors lose more weight
Researchers from The Miriam Hospital have found that olive oil may offer another potential health benefit -- it produces greater weight loss in breast cancer survivors compared to a more traditional low-fat diet.

Drug substitutes for training in rats, inducing a memory of safety
Researchers have found a way to pharmacologically induce a memory of safety in the brain of rats, mimicking the effect of training.

Ethicist urges tax credits to spur organ donation
A University of Montreal philosopher and ethicist is proposing that governments implement an organ donation tax credit to help increase the number of organs available for transplant.

Editorial -- the focus on millennium development goals has left out MDG3: Gender equity
The lead editorial in this week's Women Deliver Special Issue of the Lancet focuses on the neglected Millennium Development Goal 3 on Gender Equity.

Oasis near Death Valley fed by ancient aquifer under Nevada Test Site
A new Brigham Young University study indicates that water arriving at Ash Meadows in Death Valley is completing a 15,000-year journey, flowing slowly underground from what is now the Nevada Test Site.

MS drugs scheme 'a costly failure' for the NHS
The multiple sclerosis risk sharing scheme is

Leading physicians and researchers at the John Theurer Cancer Center present research at ASCO
The John Theurer Cancer Center at Hackensack University Medical Center announced today that its physicians and researchers will present 16 abstracts on treatment and diagnostic progress in many different areas of oncology during the Annual Meeting of American Society of Clinical Oncology in Chicago, Ill. from June 4-8.

Reducing Alzheimer's-related protein in young brains improves learning in Down syndrome animal model
Reducing a protein called beta-amyloid in young mice with a condition resembling Down syndrome improves their ability to learn, researchers at UT Southwestern Medical Center have found.

Fox Chase clinical trial tests first of its kind antibody
Patients with HER2-positive cancers can have dramatic responses to HER2-targeted drugs but eventually develop resistance to the agents.

Regenstrief releasing new version of lingua franca needed for electronic health info exchange
As demand for electronic medical records and health information exchange grows, a universal method of identifying test results and other clinical measurement is essential.

Link identified between lower IQ scores and attempted suicide in men
Low IQ scores in early adulthood are associated with an increased risk of attempted suicide in men, according to new research funded by the Wellcome Trust.

Special care plan does not slow decline in patients with Alzheimer's
A special dementia care plan, involving regular assessments of patients with Alzheimer's disease in specialist memory clinics, does not slow functional decline compared with usual care, finds a study published on today.

Mother's death massively reduces child's chances of survival whereas father's death has negligible effect
A study on child survival in rural Bangladesh has shown that the death of a child's mother massively reduces that child's chances of survival to age 10 years, whereas the father's death has a negligible effect.

Mount Sinai researchers approaching universal treatment for all strains of influenza
Researchers at Mount Sinai School of Medicine have discovered a novel component of the influenza virus that may be the key to disabling the virus's ability to replicate itself and to developing a universal anti-viral treatment. 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