Brightsurf Science News & Current Events

April 04, 2013
Chronic pain common complication of clot-caused strokes
Chronic or persistent pain is a common complication of clot-caused strokes.

Student named university's first Lawrence scholar, researching at national laboratory
A Kansas State University chemical engineering doctoral student has been named a Lawrence scholar for his research developing new semiconductors.

Discovery of 1,800-year-old 'Rosetta Stone' for tropical ice cores
In the Apr. 4, 2013 edition of Science Express, researchers at The Ohio State University describe the first annually resolved ice core

University of Toronto-led study provides new insight into photosynthesis
Pigments found in plants and purple bacteria employed to provide protection from sun damage do more than just that.

Incarceration, marijuana use and suicide attempts may hinder liver transplant eligibility
Results from an anonymous survey of US transplant providers report that incarceration, marijuana use, and psychiatric diagnoses, particularly suicide attempts, may lower patients' eligibility for liver transplantation.

SDSC's Gordon Supercomputer assists in crunching large Hadron Collider data
Gordon, the unique supercomputer launched last year by the San Diego Supercomputer Center at the University of California, San Diego, recently completed its most data-intensive task so far: Rapidly processing raw data from almost one billion particle collisions as part of a project to help define the future research agenda for the Large Hadron Collider.

The equine Adam lived fairly recently: Close relationships among modern stallions
Until recently there was insufficient information to be able to investigate the paternal lines of the domestic horse.

Graduate glut spells underused skills and dissatisfaction for many
Graduates are taking up jobs that don't fully use their skills and as a result are causing high turnover for employers, claims new research published today in the journal Human Relations, published by SAGE.

Findings from most in-depth study into UK parents who kill their children
Experts from The University of Manchester have revealed their findings from the most in-depth study ever to take place in the UK into the tragic instances of child killing by parents, known as filicide.

Rocket powered by nuclear fusion could send humans to Mars
University of Washington researchers and scientists at a space-propulsion company are building components of a fusion-powered rocket aimed to clear many of the hurdles that block deep space travel, including long times in transit, exorbitant costs and health risks.

Walking can lower risk of heart-related conditions as much as running
Walking can lower the risk of high blood pressure, high cholesterol and diabetes as much as running.

Shift of language function to right hemisphere impedes post-stroke aphasia recovery
In a study designed to differentiate why some stroke patients recover from aphasia and others do not, investigators have found that a compensatory reorganization of language function to right hemispheric brain regions bodes poorly for language recovery.

Building better blood vessels could advance tissue engineering
One of the major obstacles to growing new organs -- replacement hearts, lungs and kidneys -- is the difficulty researchers face in building blood vessels that keep the tissues alive, but new findings from the University of Michigan could help overcome this roadblock.

Cancer checkpoint
Researchers studying a set of proteins that regulate physiology, caloric restriction and aging have discovered another important role that one of them plays.

Invention could make spent nuclear fuel useful for irradiation purposes
A researcher has invented a way to use spent nuclear fuel to produce the gamma rays needed to irradiate medical supplies, food and other products -- an advance that could change what is now a costly waste disposal concern into a valued commodity.

Public support can influence soldiers' mental health: Study
Can events like Red Fridays, Tickets for Troops and the yellow ribbon campaign reduce the chances of Canadian soldiers experiencing combat-related stress disorders?

UC Riverside medical school receives $3M grant from Kaiser Permanente Southern California
The UC Riverside School of Medicine has been awarded a $3 million grant over a two-year period from Kaiser Permanente Southern California to increase the size and reach of the school's existing pipeline programs and thus broaden and diversify the pool of students applying to medical school.

ORNL's awake imaging device moves diagnostics field forward
A technology being developed at Oak Ridge National Laboratory promises to provide clear images of the brains of children, the elderly and people with Parkinson's and other diseases without the use of uncomfortable or intrusive restraints.

Let me introduce myself -- leafcutter bee Megachile chomskyi from Texas
A new species of leafcutter bee, Megachile chomskyi, is described from Texas, United States.

Despite free health care, household income affects chronic disease control in kids
Researchers at the University of Montreal have found that the glycated hemoglobin levels of children with type 1 diabetes followed at its affiliated Sainte-Justine Mother and Child University Hospital is correlated linearly and negatively with household income.

ALMA detects signs of star formation surprisingly close to galaxy's supermassive black hole
Astronomers using the Atacama Large Millimeter/submillimeter Array telescope have discovered signs of star formation perilously close to the supermassive black hole at the center of the Milky Way Galaxy.

Impact of training sessions and matches on the bodies of Athletic women football players
UPV/EHU researchers have measured the changes that take place in women as a result of the training sessions and matches throughout one season.

Power behind primordial soup discovered
Researchers at the University of Leeds may have solved a key puzzle about how objects from space could have kindled life on Earth.

Seismological Society of America awards top honor to James R. Rice
The Seismological Society of America will present its highest honor, the Harry Field Reid Medal, to James R.

Genetic vulnerability of lung cancer to lay foundation for new drug options
Physician-researchers at UT Southwestern Medical Center have identified a vulnerability of certain lung-cancer cells -- a specific genetic weakness that can be exploited for new therapies.

Study finds dementia care costs among highest of all diseases; comparable to cancer, heart disease
A joint study by U-M Health System and RAND estimates total dementia care costs at $159 - $200 billion a year, expected to nearly double with aging population.

Hubble breaks record for furthest supernova
The NASA/ESA Hubble Space Telescope has broken the record in the quest to find the furthest supernova of the type used to measure cosmic distances.

Genetic markers ID second Alzheimer's pathway
Researchers at Washington University School of Medicine in St. Louis have identified a new set of genetic markers for Alzheimer's disease that point to a second pathway through which the disease develops.

New measurement of crocodilian nerves could help scientists understand ancient animals
A new study from the University of Missouri has measured the nerves responsible for the super-sensitive skin on a crocodile's face, which will help biologists understand how today's animals, as well as dinosaurs and crocodiles that lived millions of years ago, interact with the environment around them.

Reducing salt and increasing potassium will have major global health benefits
Cutting down on salt and, at the same time, increasing levels of potassium in our diet will have major health and cost benefits across the world, according to studies published on today.

Shutting down DNA construction: How senescence halts growth of potential cancers
How does oncogene-induced senescence work? Imagine the cell as a construction site where work continues as long as bricks (nucleotides) are available.

Overweight starting in early adulthood linked with kidney disease in older age
Individuals who are overweight starting in early adulthood are twice as likely to have chronic kidney disease at age 60 to 64 years than those who are not overweight.

Civil engineer Katsuichiro Goda honored by Seismological Society of America
The Seismological Society of America will honor Katsuichiro Goda for his prolific work to reduce earthquake risk around the world, awarding him the Charles Richter Early Career Award on April 17 at its annual meeting in Salt Lake City.

Amberlyst-15 can act as a catalyst for the acylation of phenols and alcohols
Mumbai Researchers offer a novel and highly sustainable method for the acylation of phenols and alcohols.

JoVE now accepting submissions for new environmental sciences section
JoVE (Journal of Visualized Experiments) is now accepting articles for its new section JoVE Environment.

Protein maintains order in the nucleus
Researchers in Freiburg identify a protein responsible for the correct arrangement of the chromosome centromeres in the nucleus.

Integrating cardiovascular imaging modalities revolutionises care offered patients
How the different advanced cardio vascular imaging technologies fit together in managing cardiac patients, will be one of the main themes explored at the International Conference on Nuclear Cardiology and Cardiac CT (ICNC 11).

Bumblebees use logic to find the best flowers
Scientists at Queen Mary, University of London and the Zoological Society of London have discovered why bees copy each other when looking for nectar -- and the answer is remarkably simple.

A*STAR scientist Alex Matter awarded prestigious Szent-Györgyi Prize for progress in cancer
Professor Alex Matter, Chief Executive Officer of A*STAR's Experimental Therapeutics Centre, has been awarded the 8th Annual Szent-Györgyi Prize for Progress in Cancer Research by the National Foundation for Cancer Research for his contributions to the development of the first drug specifically targeting a molecular lesion in cancer.

Wild mice have natural protection against Lyme borreliosis
Like humans, mice can become infected with Borrelia. However, not all mice that come into contact with these bacteria contract the dreaded Lyme disease: Animals with a particular gene variant are immune to the bacteria, as scientists from the universities of Zurich and Lund demonstrate.

Revealing the weapons by which bacteria fight each other
A new study which was performed jointly at Umeå University and the University of Washington in Seattle, USA, discovered that bacteria can degrade the cell membrane of bacterial competitors with enzymes that do not harm their own membrane.

For the first time, researchers isolate adult stem cells from human intestinal tissue
For the first time, researchers at the University of North Carolina at Chapel Hill have isolated adult stem cells from human intestinal tissue.

Study links suicide risk with rates of gun ownership, political conservatism
Residents of states with the highest rates of gun ownership and political conservatism are at greater risk of suicide than those in states with less gun ownership and less politically conservative leanings, according to a study by University of California, Riverside sociology professor Augustine J.

New genetic markers may signal who is at increased risk for Alzheimer's disease
People who have a buildup of certain proteins in the brain and spinal fluid have an increased likelihood of developing Alzheimer's disease, but it's currently unclear who will develop these protein accumulations.

CWRU study finds mothers with postpartum depression want online professional treatment
Mothers suffering from postpartum depression after a high-risk pregnancy would turn to online interventions if available anonymously and from professional healthcare providers, according to researchers from Case Western Reserve University's Frances Payne Bolton School of Nursing and College of Arts and Sciences.

DOE renews JBEI funding
The Department of Energy has renewed funding for the Joint BioEnergy Institute for another five years.

Manchester leads the way in graphene membrane research
University of Manchester graphene researchers have been awarded a £3.5m funding boost that could bring desalination plants, safer food packaging and enhanced disease detection closer to reality.

Bronze warship ram reveals secrets
The Belgammel Ram, a 20kg bronze battering ram artifact dating to between 100BC and 100AD has been extensively tested and analyzed by five institutes to ascertain how it would have been made in ancient times.

A 'light switch' in the brain illuminates neural networks
Researchers at the Kavli Institute for Systems Neuroscience at the Norwegian University of Science and Technology have combined a range of advanced techniques that enable them to identify which neurons communicate with each other at different times in the rat brain, and in doing so, create the animal's sense of location.

New camera system creates high-resolution 3-D images from up to a kilometer away
A new camera system provides high-resolution, 3-D information about objects that are typically difficult to image, from up to a kilometer away.

Scientists illuminate elusive mechanism of widely used click reaction
Scientists at The Scripps Research Institute have illuminated the mechanism at the heart of one of the most useful processes in modern chemistry.

Agios research demonstrates the effects of mutant IDH1 and IDH2 inhibitors in primary tumor models
Agios Pharmaceuticals, Inc., announced the publication of two articles in the journal Science by Agios scientists and their collaborators demonstrating the effects of the company's small molecule isocitrate dehydrogenase 1 and 2 (IDH1 and IDH2) mutant specific inhibitors in primary human tumor models.

Nobel Laureate Jules Hoffmann kicks off Annual Drosophila Research Conference
2011 Nobel Laureate Jules Hoffmann, Ph.D. described his scientific journey including the discovery of Toll receptors and innate immunity in the keynote lecture on Apr.

A model predicts that the world's populations will stop growing in 2050
Global population data spanning the years from 1900 to 2010 have enabled a research team from the Autonomous University of Madrid to predict that the number of people on Earth will stabilize around the middle of the century.

On Twitter, anti-vaccination sentiments spread more easily than pro-vaccination sentiments
On Twitter, a research team tracked the pro-vaccine and anti-vaccine messages about a new vaccine for combating a virus strain responsible for swine flu, and then observed how Twitter users expressed their own sentiments about the vaccine.

Ben-Gurion U. students to present research projects at Clinton Global Initiative U. in St. Louis
Ben-Gurion University of the Negev students Ben Reuveni, Ellie Nowak and Guy Katz will join more than 1,000 students from 300 universities and 75 countries for the three-day conference that addresses global challenges in the areas of education, energy, climate change, global health, human rights, peace and poverty.

Dartmouth researchers say a comet killed the dinosaurs
Contrary to popular opinion, a comet, not an asteroid, may have caused the extinction of dinosaurs.

Counting copy numbers characterizes prostate cancer
Non-invasive 'liquid biopsies' can find metastatic or recurrent prostate cancer, in a low cost assay suitable for most healthcare systems, finds research published in BioMed Central's open access journal Genome Medicine.

Hubble breaks record in search for farthest supernova
NASA's Hubble Space Telescope has found the farthest supernova so far of the type used to measure cosmic distances.

Antibody evolution could guide HIV vaccine development
Observing the evolution of a particular type of antibody in an infected HIV-1 patient, a study spearheaded by Duke University, including analysis from Los Alamos National Laboratory, has provided insights that will enable vaccination strategies that mimic the actual antibody development within the body.

Study reveals that chemotherapy works in an unexpected way
New research published in the journal Immunity shows that effective chemotherapies actually work by mobilizing the body's own immune cells to fight cancer.

EU minimum tax legislation for cigarettes has had no effect on smoking prevalence
Up to 2009 there is no statistically significant evidence of any reduction in smoking amongst men -- and very little evidence of a reduction in smoking amongst women -- resulting from the introduction of EU minimum tax legislation in Spain in 2006.

Growth hormone reverses growth problems in children with kidney failure
Growth hormone therapy can help reverse growth problems in children with kidney failure.

Scientists to Io: Your volcanoes are in the wrong place
Jupiter's moon Io is the most volcanically active world in the Solar System, with hundreds of volcanoes, some erupting lava fountains up to 250 miles high.

National teen driving report finds safety gains for teen passengers
A report released today by Children's Hospital of Philadelphia and State Farm measured a 47 percent decline in teen driver-related fatalities since 2008.

Osmosis is not driven by water dilution
Osmosis -- the flow of a solvent across a semipermeable membrane from a region of lower to higher solute concentration -- is a well-developed concept in physics and biophysics.

Hepatitis A virus discovered to cloak itself in membranes hijacked from infected cells
A research team led by Dr. Stanley Lemon discovered that hepatitis A virus does not have an envelope when found in the environment, but acquires one from the cells that it grows in within the liver.

Not all patients benefit equally from hip or knee replacement: Study finds
Only half of people with arthritis who had a hip or knee replacement reported a significant improvement in pain and mobility after surgery, according to a new study led by Women's College Hospital and the Institute for Clinical and Evaluative Sciences.

Asian carp DNA not widespread in the Great Lakes
Scientists from the University of Notre Dame, The Nature Conservancy, and Central Michigan University presented their findings of Asian carp DNA throughout the Great Lakes in a study published in the Canadian Journal of Fisheries and Aquatic Sciences.

Hallucinations of musical notation: New paper for neurology journal Brain by Oliver Sacks
Professor of neurology, physician, and author Oliver Sacks M.D. has outlined case studies of hallucinations of musical notation, and commented on the neural basis of such hallucinations, in a new paper for the neurology journal Brain.

Keeneland Conference on Public Health Services and Systems Research draws national speakers
Washington-based experts give an insider's look at the budget and health care reform drama in DC -- and how it affects public health.

Dwarf whale survived well into Ice Age
Research from New Zealand's University of Otago detailing the fossil of a dwarf baleen whale from Northern California reveals that it avoided extinction far longer than previously thought.

Fecal microbial transplantation found to be possible treatment
A Spectrum Health clinical trial has found that fecal microbial transplantation (FMT) has resulted in the improvement or absence of symptoms in most pediatric patients with active ulcerative colitis.

Body representation differs in children and adults
Children's sense of having and owning a body differs from that of adults, indicating that our sense of physical self develops over time, according to a new study published in Psychological Science, a journal of the Association for Psychological Science.

Notre Dame study finds Asian carp DNA not widespread in the Great Lakes
Scientists from the University of Notre Dame, The Nature Conservancy, and Central Michigan University have presented their findings of Asian carp DNA throughout the Great Lakes in a study published in the Canadian Journal of Fisheries and Aquatic Sciences.

NSF award recognizes IUPUI professor for work to enhance machine learning applications
A computer science professor at Indiana University-Purdue University Indianapolis has earned the prestigious CAREER Award from the National Science Foundation to research ways to help computers actively adjust models and classify new data by enhancing machine learning technology.

Scissor-like enzyme points toward treatment of infectious disease
UT Southwestern Medical Center researchers report that a pathogen annually blamed for an estimated 90 million cases of food-borne illness defeats a host's immune response by using a fat-snipping enzyme to cut off cellular communication.

Online learning: It's different
Harvard researchers have found that, by interspersing online lectures with short tests, student mind wandering decreased by 50 percent, note-taking tripled and overall retention of the material improved.

Symposium on mannequins and other simulation technology in medical education
Loyola University Chicago Stritch School of Medicine is hosting a conference on mannequins and other simulation technology that increasingly is being used to train doctors and nurses.

3-D printer can build synthetic tissues
A custom-built programmable 3-D printer can create materials with several of the properties of living tissues, Oxford University scientists have demonstrated.

UNH scientists document first expansion of 'sea potato' seaweed into New England
There's a new seaweed in town, a brown, bulbous balloon befitting the nickname

Energy Department announces 5-year renewal of funding for Bioenergy Research Centers
The US Department of Energy today announced it would fund its three Bioenergy Research Centers for an additional five-year period, subject to continued congressional appropriations.

Obesity without the health problems? There could be a way
Obesity is linked to the widespread epidemics of diabetes and heart disease that plague society, but a lesser-known fact is that the weight can also lead to autoimmune disease.

Can therapy using robots reduce pain and anxiety among pediatric patients?
Pet therapy can help patients cope with the pain, stress, and emotional effects of a serious illness, but access to a companion animal is not always possible.

An ancient biosonar sheds new light on the evolution of echolocation in toothed whales
Some thirty million years ago, Ganges river dolphins diverged from other toothed whales, making them one of the oldest species of aquatic mammals that use echolocation, or biosonar, to navigate and find food.

Remote reefs can be tougher than they look
Isolated coral reefs can recover from catastrophic damage as effectively as those with nearby undisturbed neighbours, a long-term study by marine biologists from the Australian Institute of Marine Science (AIMS) and the ARC Centre of Excellence for Coral Reef Studies has shown.

Breakthrough in hydrogen fuel production could revolutionize alternative energy market
A team of Virginia Tech researchers has discovered a way to extract large quantities of hydrogen from any plant, a breakthrough that has the potential to bring a low-cost, environmentally friendly fuel source to the world.

How rats see things
The image of an object, when projected into the eyes, may take on the most diverse shapes depending on the chosen point of view, yet generally we have no difficulty in recognizing said object.

IU & Regenstrief conducting nation's first randomized controlled dementia screening trial
Indiana University Center for Aging Research and the Regenstrief Institute researchers are conducting the nation's first randomized controlled dementia screening trial to weigh benefits and risks of routine screening for dementia.

Could playing 'boys' games help girls in science and math?
The observation that males appear to be superior to females in some fields of academic study has prompted a wealth of research.

Penn study finds virtual colonoscopy is used appropriately, may expand screening to more patients
In the first study to examine appropriate utilization of so-called virtual colonoscopy among asymptomatic Medicare beneficiaries from 2007 to 2008, a research team from the Perelman School of Medicine at the University of Pennsylvania found that computed tomography colonography was used appropriately and may have expanded colorectal cancer screening beyond the population screened with standard (

Barrow researchers identify new vision of how we explore our world
Brain researchers at Barrow Neurological Institute have discovered that we explore the world with our eyes in a different way than previously thought. 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