Brightsurf Science News & Current Events

August 26, 2013
Development of a therapeutic algorithm for optimal nosebleed management
Approximately 60 percent of people experience epistaxis, commonly known as nosebleed, at least once in their lifetime.

Even mild stress can make it difficult to control your emotions, NYU researchers find
Even mild stress can thwart therapeutic measures to control emotions, a team of neuroscientists at New York University has found.

Thyroid cancer biopsy guidelines should be simplified, researchers say
A team led by UC San Francisco researchers has called for simplified guidelines on when to biopsy thyroid nodules for cancer, which they say would result in fewer unnecessary biopsies.

Disabling enzyme reduces tumor growth, cripples cancer cells, finds new study
UC Berkeley researchers have found that knocking out an enzyme needed to make lipids can dramatically cripple the ability of aggressive cancer cells to spread and grow tumors.

Sea otters promote recovery of seagrass beds
Scientists studying the decline and recovery of seagrass beds in one of California's largest estuaries have found that recolonization of the estuary by sea otters was a crucial factor in the seagrass comeback.

NASA catches Tropical Storm Kong-Rey form in northwestern Pacific
The northwestern Pacific has generated its fourteenth tropical cyclone and NASA's Aqua satellite flew over the eastern side of the storm early on Aug.

Genome-wide survey examines recessive alzheimer disease gene
Runs of homozygosity (ROHs, regions of the genome where the copies inherited from parents are identical) may contribute to the etiology (origin) of Alzheimer disease, according to a study by Mahdi Ghani, Ph.D., of the University of Toronto, Ontario, Canada, and colleagues.

New technique for measuring tree growth cuts down on research time
Tree growth is one of the most essential and widely collected woody plant traits.

Microneedle patch could replace standard tuberculosis skin test
A team led by University of Washington engineers has created a patch with tiny, biodegradable needles that can penetrate the skin and precisely deliver a tuberculosis test.

Healthcare professionals need to look out for fabricated illness in children: McMaster professor
While it's rare for a parent to fabricate an illness in their child, a McMaster University researcher says physicians and other health professionals need to be on the alert for this form of child abuse.

Watching the production of new proteins in live cells
Researchers at Columbia University, in collaboration with biologists in Baylor College of Medicine, have made a significant step in understanding and imaging protein synthesis, pinpointing exactly where and when cells produce new proteins.

Immune system, skin microbiome 'complement' one another, finds Penn Medicine study
Researchers from the Perelman School of Medicine at the University of Pennsylvania demonstrate for the first time that the immune system influences the skin microbiome.

UC research examines NATO and its 'smart defense' focus in era of economic uncertainty
As America draws down its military presence in Iraq and Afghanistan, the US and NATO prepare for future international missions in an age of austerity among allies.

UCI, UCLA study reveals new approach to remedying childhood visual disorders
By discovering the role of key neurons that mediate an important part of vision development, UC Irvine and UCLA neurobiologists have revealed a new approach to correcting visual disorders in children who suffer from early cataracts or amblyopia, also known as lazy eye.

Chelyabinsk meteorite had previous collision or near miss
The Chelyabinsk meteorite which exploded over Russia in February either collided with another body in the solar system or had a near miss with the Sun before it fell to Earth.

NASA sees quick forming Tropical Storm Fernand soaking Mexico
During the week of Aug. 18, the low pressure area designated as System 95E was lingering in the western Caribbean Sea and moved into the southwestern Gulf of Mexico, where it exploded into Tropical Storm Fernand late on Aug.

Mathematical models help locate raw materials
The geologist Dr. Raimon Tolosana-Delgado from the Helmholtz Institute Freiberg for Resource Technology will receive this year's Felix Chayes Prize from the International Association for Mathematical Geosciences.

UC research takes first look at catalyst behind evangelicals' forays into today's culture wars
Political science research links the Southern Baptist Convention's abortion politics to other hot-button issues such as free speech.

Size matters as nanocrystals go through phases
Berkeley Lab researchers at the Molecular Foundry have demonstrated that as metal nanocrystals go through phase transformations, size can make a much bigger difference than scientists previously believed.

Study offers insight into the origin of the genetic code, team reports
An analysis of enzymes that load amino acids onto transfer RNAs -- an operation at the heart of protein translation -- offers new insights into the evolutionary origins of the modern genetic code, researchers report.

Not guility: Parkinson and protein phosphorylation
Clues left at the scene of the crime don't always point to the guilty party, as EPFL researchers investigating Parkinson's disease have discovered.

Carnegie Mellon announces Hanrahan and James will receive Katayanagi Prizes in Computer Science
Stanford University's Pat Hanrahan and Cornell University's Doug L. James, computer scientists whose innovations in computer graphics have enhanced such movies as

Northwestern Medicine uses new minimally invasive technique for melanoma
Surgical oncologists are now using laparoscopic procedure to remove lymph nodes, cutting chance of infection and reducing recovery time in half.

Sweaty palms and racing heart may benefit some negotiators
The idea of having to negotiate over the price of a new car sends many into the cold sweats, but new research published in Psychological Science, a journal of the Association for Psychological Science, suggests that sweaty palms and a racing heart may actually help some people in getting a good deal.

Skin cell defect is surprising allergy trigger
A structural defect in skin cells can contribute to allergy development, including skin and food allergies, traditionally thought primarily to be a dysfunction of the immune system.

NSF grant will fund study of innovative teacher professional development program at MU
Researchers at the University of Missouri will receive a $2.6 million National Science Foundation grant over the next four years to study an innovative model of teacher professional development that includes controlled teaching experiences -- opportunities for teachers to develop new skills while working directly with students and colleagues.

New screening strategy may catch ovarian cancer at early stages
A new screening strategy for ovarian cancer appears to be highly specific for detecting the disease before it becomes lethal.

CA-125 change over time shows promise as screening tool for early detection of ovarian cancer
Evaluating the change in CA-125 over time shows promise as a screening tool for early-stage disease, according to researchers at The University of Texas MD Anderson Cancer Center.

Through 4 years' training, college football players gain strength and size
From freshman through senior year, college football players achieve significant increases in strength and size, reports a study in the September issue of The Journal of Strength and Conditioning Research, official research journal of the National Strength and Conditioning Association.

New projected augmented reality system amplifies value of expert knowledge
VTT Technical Research Centre of Finland and Thales Alenia Space Italy have developed a prototype system allowing remote experts to project their instructions directly on to the equipment being used by on-site personnel.

4 UTSA faculty honored with Regents' Outstanding Teaching Awards
Four faculty members of the University of Texas at San Antonio -- Matthew Gdovin, Mark Leung, Lindsay Ratcliffe and David Ray Vance -- are among 63 educators from the nine academic institutions in the UT System to be named recipients of the Regents' Outstanding Teaching Awards for 2013.

New implanted defibrillator works well without touching heart
A new type of defibrillator implanted under the skin can detect dangerously abnormal heart rhythms and deliver shocks without wires touching the heart.

Transcranial direct current stimulation improves sleep in patients with post-polio syndrome
Of the 15 million people around the world who have survived poliomyelitis, up to 80 percent report progressive deteriorating strength and endurance many years after infection, a condition known as post-polio syndrome (PPS).

Task Force recommends that physicians counsel youth against tobacco use
Below is information about an article and opinion piece being published in the August 27 issue of Annals of Internal Medicine.

Mayo Clinic: Enhanced recovery pathway for gynecologic surgery gets patients back to health faster
Patients who had complex gynecologic surgery managed by an enhanced recovery pathway resulted in decreased narcotic use, earlier discharge, stable readmission rates, excellent patient satisfaction and cost savings, according to a Mayo Clinic study.

4 cups of coffee a day may keep prostate cancer recurrence and progression away
Coffee consumption is associated with a lower risk of prostate cancer recurrence and progression, according to a new study by Fred Hutchinson Cancer Research Center scientists that is online ahead of print in Cancer Causes & Control.

Penn study finds earlier peak for Spain's glaciers
Over much of the planet, glaciers were at their greatest extent roughly 20,000 years ago.

New, 'robust' treatment for stroke uses genetic material from bone marrow
In the latest in a series of experiments testing the use of stem cells to treat neurological disease, researchers at Henry Ford Hospital have shown for the first time that microscopic material in the cells offers a

When is it safe for an athlete to return to play after a concussion? Consensus reports summarized
Several new or updated guidelines for managing sports concussions were released earlier this year, and their key areas of consensus, including recommendations for return to play, are presented in an article in Journal of Neurotrauma.

Adapting to mainstream lowers diabetes risk in African-Americans
Trying to find a produce store or a large grocer in an economically depressed neighborhood is about as easy as finding an apple in a candy store.

Bird conference lands at University of East Anglia
The world of birds -- from courtship displays to the impact of climate change, pesticides and aeroplanes -- will come under the spotlight at an international ornithology conference at the University of East Anglia this week.

Researchers figure out how to 'grow' carbon nanotubes with specific atomic structures
Move over, silicon. In a breakthrough in the quest for the next generation of computers and materials, researchers at USC have solved a longstanding challenge with carbon nanotubes: how to actually build them with specific, predictable atomic structures.

ASO corrects striatal transcriptional abnormalities & protects function in HD mice
Findings from postmortem studies of the brains of Huntington's Disease (HD) patients suggest that transcriptional dysregulation may be an early step in the pathogenesis of HD before symptoms appear.

New grant supports young investigators committed to gastric and esophageal cancer research
The American Gastroenterological Association Research Foundation is pleased to announce that it has partnered with the Gastric Cancer Foundation to create a new grant to support research in gastric and esophageal cancer.

Thyroid ultrasound imaging may be useful to reduce biopsies in patients with low risk of cancer
Thyroid ultrasound imaging could be used to identify patients who have a low risk of cancer for whom biopsy could be postponed, according to a study by Rebecca Smith-Bindman, M.D., of the University of California, San Francisco, and colleagues.

Patients leaving hospital against medical advice more likely to be readmitted or die
People who leave hospital against their doctors' orders are more likely to be readmitted to hospital or die, according to a new study in CMAJ (Canadian Medical Association Journal).

Wait times up 78 percent at VA for colorectal cancer procedures
A study published in the Aug. print issue of the Journal of Oncology Practice shows that from 1998-2008, wait times for colorectal cancer operations at Veterans Administration hospitals increased from 19 to 32 days.

Language can reveal the invisible, study shows
It is natural to imagine that the sense of sight takes in the world as it is -- simply passing on what the eyes collect from light reflected by the objects around us.

Grand Challenge grant awarded to team led by Nationwide Children's researcher
The Research Institute at Nationwide Children's Hospital was one of four institutions to be awarded transition-to-scale grants (up to $2 million for four years) for the development of a low-cost paper-based urine test for early diagnosis of preeclampsia to reduce preeclampsia-related morbidity and mortality in resource-limited areas.

Maintain, don't gain: A new way to fight obesity
Programs aimed at helping obese black women lose weight have not had the same success as programs for black men and white men and women.

Rethinking investment risk
Does financial innovation inherently lead to greater risk in markets?

Intervention appears effective to prevent weight gain among black women
An intervention not focused on weight loss was effective for weight gain prevention among socioeconomically disadvantaged black women, according to a report published by JAMA Internal Medicine, a JAMA Network publication.

Study examines cerebrospinal fluid biomarkers in early Parkinson disease
Cerebrospinal fluid levels of tau proteins, ɑ-synuclein, and β-amyloid 1-42 (Αβ1-42) appear to be associated with early stage Parkinson disease in a group of untreated patients compared with healthy patients, according to a study by Ju-Hee Kang, M.D., of the University of Pennsylvania, and colleagues.

Changing river chemistry affects Eastern US water supplies
Human activity is changing the basic chemistry of large rivers in the Eastern US, with potentially major consequences for urban water supplies and aquatic ecosystems, a University of Maryland-led study has found.

New function for a well-known immune messenger molecule
ETH Zurich Assistant Professor Cornelia Halin and her colleagues have discovered a new function of the well-known messenger protein interleukin-7: It facilitates the drainage of lymph fluid from tissues.

Study forecasts future water levels of crucial agricultural aquifer
A study focuses on future availability of groundwater in the High Plains Aquifer.

Extremely preterm infants and risk of developing neurodevelopmental impairment later in childhood
A meta-analysis of previously reported studies by Gregory P. Moore, M.D., F.R.C.P.C., of The Ottawa Hospital, Ontario, Canada, and colleagues examined the rate of moderate to severe and severe neurodevelopmental impairment by gestational age in extremely preterm survivors followed up between ages 4 and 8 years, and determined whether there is a significant difference in impairment rates between the successive weeks of gestation of survivors.

Scientists shut down reproductive ability, desire in pest insects
Entomologists have identified a neuropeptide named natalisin that regulates the sexual activity and reproductive ability of insects.

Shopping in high heels could curb overspending
When shopping for a big ticket item, such as a television, there is a checklist of things you should always do: Read reviews, compare prices and wear high heels.

Preschoolers who stutter do just fine emotionally and socially, study finds
Stuttering may be more common than previously thought, but preschool stutterers fair better than first thought, a study by The University of Melbourne, Murdoch Childrens Research Institute and The University of Sydney has found.

Rice, MD Anderson researchers win NIH grant to study protein networks
Researchers at Rice University and the University of Texas MD Anderson Cancer Center have received a $1.3 million grant from the National Institutes of Health to create processes that will look more deeply than ever into the protein networks that drive cells.

RNA double helix structure identified using synchrotron light
Scientists have successfully crystallized a short RNA sequence, poly (rA)11, and used data collected at the Canadian Light Source and the Cornell High Energy Synchrotron to confirm the hypothesis of a poly (rA) double-helix.

What to do if your dog gets 'skunked' wins American Chemical Society video contest
A lesson on what to do if your dog gets

Oxygen-generating compound shows promise for saving tissue after severe injury
The same compound in a common household clothes detergent shows promise as a treatment to preserve muscle tissue after severe injury.

Video games do not make vulnerable teens more violent
Do violent video games such as

Researchers from Mount Sinai receive NIH grant to study promising treatment for Autism subtype
Scientists at the Seaver Autism Center at the Icahn School of Medicine at Mount Sinai have received a grant from the National Institutes of Health to study Insulin-Like Growth Factor-1, a promising treatment for a subtype of autism called Phelan McDermid Syndrome.

Drug blocks light sensors in eye that may trigger migraine attacks
For many migraine sufferers, bright lights are a surefire way to exacerbate their headaches.

Study shows how some inspectors are able to uphold factory labor rules
While factory labor rules are notoriously hard to enforce, a new study shows how some inspectors are able to uphold workplace standards.

MARC travel awards announced for the Grant Writing Seminar & Practical Exercises Workshop
FASEB MARC Program has announced the travel award recipients for the Grant Writing Seminar and Practical Exercises Workshop at the Marine Biological Laboratory in Woods Hole, MA from Aug.

Scripps Research Institute scientists report breakthrough in DNA editing technology
Scientists at the Scripps Research Institute have found a way to apply a powerful new DNA-editing technology more broadly than ever before.

Dartmouth researchers develop molecular switch that changes liquid crystal colors
Dartmouth researchers have developed a molecular switch that changes a liquid crystal's readout color based on a chemical input.

Eastern US water supplies threatened by a legacy of acid rain
Noted ecologist Gene Likens, founding director of the Cary Institute of Ecosystem Studies and a co-discoverer of acid rain, was among the study's authors.

First report of real-time manipulation and control of nuclear spin noise
Basel Physicists in collaboration with Dutch researchers have demonstrated a new method for polarizing nuclear spins in extremely small samples.

Comprehensive Parkinson's biomarker test has prognostic and diagnostic value
Perelman School of Medicine researchers at the University of Pennsylvania report the first biomarker results reported from the Parkinson's Progression Markers Initiative, showing that a comprehensive test of protein biomarkers in spinal fluid have prognostic and diagnostic value in early stages of Parkinson's disease.

Study supports intracerebral stem cell injections to prevent/reduce post-stroke cognitive deficits
Cognitive deficits following ischemic stroke are common and debilitating, even in the relatively few patients who are treated expeditiously so that clots are removed or dissolved rapidly and cerebral blood flow restored.

Interpretation of do-not-resuscitate order appears to vary among pediatric physicians
Clinicians use the do-not-resuscitate order not only as a guide for therapeutic decisions during a cardiopulmonary arrest but also as a surrogate for broader treatment directives, according to a study by Amy Sanderson M.D., of Boston Children's Hospital, M.A., and colleagues.

Perception of marijuana as a 'safe drug' is scientifically inaccurate
The nature of the teenage brain makes users of cannabis amongst this population particularly at risk of developing addictive behaviors and suffering other long-term negative effects.

NASA sees Depression Pewa pass in Pacific
Tropical Depression Pewa dissipated in the northwestern Pacific Ocean early on Aug.

Terminology used to describe preinvasive breast cancer may affect patients' treatment preferences
When ductal carcinoma in situ (DCIS, a preinvasive malignancy of the breast) is described as a high-risk condition rather than cancer, more women report that they would opt for nonsurgical treatments, according to a research letter by Zehra B.

Pediatric readmission rates aren't indicator of hospital performance
Readmission rates of adult patients to the same hospital within 30 days are an area of national focus and a potential indicator of clinical failure and unnecessary expenditures. 

Touch and movement neurons shape the brain's internal image of the body
The brain's tactile and motor neurons, which perceive touch and control movement, may also respond to visual cues, according to researchers at Duke Medicine.

Worldwide ban on flame retardants
The flame retardant HBCD may no longer be produced or used.

Women at increasing risk of kidney stones, related ER visits
The risk of women developing kidney stones is rising, as is the number of cases being seen in US emergency departments, while the rate of hospitalization for the disorder has remained stable.

'Shapeshifting' computer program will open up drug discovery for tricky disease targets
A unique computer technology that opens up the discovery of smarter drugs to treat major illnesses including heart disease has been invented by University of Strathclyde scientists.

Why do haters have to hate?
New research from the University of Pennsylvania's Annenberg School for Communication identifies why some of us are simply prone to dislike everything.

Researchers develop software tool for cancer genomics
Researchers at the Medical College of Wisconsin and the National Cancer Institute have developed a new bioinformatics software tool designed to more easily identify genetic mutations responsible for cancers.

Rim Fire Update Aug. 26, 2013
The Rim Fire in northeastern California continues to burn on the Stanislaus National Forest, Yosemite National Park, and the Bureau of Land Management and State responsibility land.

MD Anderson educators win AEIRS/Elsevier Innovator of the Year Award
Elsevier, a world-leading provider of scientific, technical and medical information products and services, today announced The 2013 AEIRS/Elsevier Innovator of the Year Award recipients. 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