Brightsurf Science News & Current Events

May 11, 2015
Narrow misses can propel us toward other rewards and goals
Whether it's being outbid at the last second in an online auction or missing the winning lottery number by one digit, we often come so close to something we can 'almost taste it' only to lose out in the end.

Graphene holds key to unlocking creation of wearable electronic devices
Groundbreaking research has successfully created the world's first truly electronic textile, using the wonder material, graphene.

Institutional factors play role in cardiac rehab referral rates after angioplasty
Hospitals in the Midwest were more likely than others to refer patients for guideline-recommended cardiac rehabilitation following angioplasty, possibly because more rehab programs are available in the region, according to original research and an accompanying editorial published today in the Journal of the American College of Cardiology.

Breaking through the blood-brain barrier
The bacteria that sneak past the brain's defenses to cause deadly bacterial meningitis are clever adversaries.

UK-China collaboration for data sharing in metabolomics
A partnership between the European Bioinformatics Institute, the Universities of Birmingham, Manchester and Oxford, The Sainsbury Laboratory and TGAC with BGI and its open-access journal, GigaScience, has received funding from the UK's Biotechnology and Biological Research Council to support the sharing of data and analyses in metabolomics.

Certain immigrants, refugees at higher risk of psychotic disorders
Immigrants from the Caribbean and Bermuda, as well as refugees from East Africa and South Asia, have a one and a half to two times higher risk of psychotic disorders compared to the general population of Ontario, Canada, according to a new study by researchers at the Institute for Clinical Evaluative Sciences and the Centre for Addiction and Mental Health.

Increased atmospheric carbon dioxide makes trees use water more efficiently
The increase in atmospheric CO2 concentration has allowed trees across Europe to use their available water resources more efficiently, new research has shown.

Dying cells can protect their stem cells from destruction
Cells dying as the result of radiation exposure or chemotherapy can send a warning to nearby stem cells or to tumor-initiating cells.

New cause discovered for arterial stiffness, a contributor to cardiovascular disease
Previous studies of aortic stiffness have focused on changes in structural proteins that alter the properties of vascular walls causing them to become rigid.

Childhood cancer treatment and age influence obesity risk for childhood cancer survivors
Childhood cancer survivors -- especially those whose treatment included brain irradiation or chemotherapy with glucocorticoids -- are 14 percent more likely to be obese than their healthy peers.

Long-term study on ticks reveals shifting migration patterns, disease risks
Over nearly 15 years spent studying ticks, Indiana University's Keith Clay has found southern Indiana to be an oasis free from Lyme disease, the condition most associated with these arachnids that are the second most common parasitic disease vector on Earth.

Personal microbiomes shown to contain unique 'fingerprints'
Boston-A new study shows that the microbial communities we carry in and on our bodies known as the human microbiome have the potential to uniquely identify individuals, much like a fingerprint.

New dinosaur's keen nose made it a formidable predator, Penn study finds
A researcher from the University of Pennsylvania has identified a species of dinosaur closely related to Velociraptor, the group of creatures made infamous by the movie 'Jurassic Park.' The newly named species likely possessed a keen sense of smell that would have made it a formidable predator.

Harmful algal blooms in the Chesapeake Bay are becoming more frequent
A recent study of harmful algal blooms in the Chesapeake Bay and its tributaries by the University of Maryland Center for Environmental Science shows an increase in ecosystem-disrupting events in the past 20 years being fed by excess nitrogen runoff from the watershed.

The origins and future of Lake Eyre and the Murray-Darling Basin
Geoscientists have, for the first time, discovered the origins of Australia's two largest basins: Lake Eyre and the Murray-Darling Basin.

Carbon emissions from peatlands may be less than expected
Duke researchers have discovered a dual mechanism that slows peat decay and may help reduce carbon dioxide emissions from peatlands during times of drought.

Water fleas genetically adapt to climate change
The water flea has genetically adapted to climate change. Biologists from KU Leuven, Belgium, compared 'resurrected' water fleas -- hatched from 40-year-old eggs -- with more recent specimens.

For biofuels and climate, location matters
Dedicating more land to biofuel production can lead to increased greenhouse gas emissions, which take decades to make up for.

New research implicates immune system in Rett syndrome
New research by investigators at the University of Massachusetts Medical School suggests the immune system plays an unsuspected and surprising role in the progression of Rett syndrome, a severe neurological disorder affecting children.

Study: World population-food supply balance is becoming increasingly unstable
Globalization of trade is creating instability in the food distribution system, according to results from a study led by environmental scientist Paolo D'Odorico.

Separating rare earth metals with UV light
Researchers from the KU Leuven Department of Chemical Engineering have discovered a method to separate two rare earth elements -- europium and yttrium -- with UV light instead of with traditional solvents.

Examination of nondisclosure agreements in medical malpractice settlements
A review of medical malpractice claim files at an academic medical center found that while most settlements included nondisclosure clauses there was little standardization or consistency in their application, according to article published online by JAMA Internal Medicine.

Did ocean acidification cause marine mollusc extinction?
New research, led by the University of Southampton, has questioned the role played by ocean acidification, produced by the asteroid impact that killed the dinosaurs, in the extinction of ammonites and other planktonic calcifiers 66 million years ago.

First cancer-promoting oncogenes discovered in rare brain tumor of children and adults
Researchers have identified three genes that play a pivotal role in the brain tumor choroid plexus carcinoma, a discovery that lays the groundwork for more effective treatment of this rare, often fatal cancer.

Researchers examine the dangers bubbling up from hookah steam stones
An analysis of simulated smoking sessions turns up toxic, cancer-causing elements in what's often considered a safer and trendy smoking alternative.

Japanese Society for Dialysis Therapy to publish Renal Replacement Therapy with BioMed Central
BioMed Central is pleased to partner with the Japanese Society for Dialysis Therapy in publishing the open-access journal Renal Replacement Therapy.

How does Adderall™ work? (video)
More than 25 million people rely on Adderall™ and other similar drugs to help treat narcolepsy, depression and attention deficit and hyperactivity disorder.

Congress approval rating tanking over poor choice of words
US Congress approval ratings are at record lows. Now a new study suggests that this may be partly due to a decline in the use of warm, agreeable language in the House.

World first: Launch of Quebec registry for users of medical cannabis
The Research Institute of the McGill University Health Centre and the Canadian Consortium for the Investigation of Cannabinoids have launched a registry for users of medical cannabis in Quebec that will allow physicians to better manage its use and monitor patient safety.

Research paper with 2,863 authors expands knowledge of bacteriophages
The Pitt-created national SEA-PHAGES undergraduate science program delves deeply into the bacteriophage genome, and publishes a paper with the second-highest number of authors in history, most of them students.

Solution to corrosive ocean mystery reveals future climate
Researchers have discovered how an abrupt global warming event triggered a highly corrosive deep-water current to flow through the North Atlantic Ocean 55 million years ago solving a mystery that has puzzled scientists for a decade.

Gene found that is essential to maintaining breast and cancer stem cells
The gene and hormone soup that enables women to breastfeed their newborns also can be a recipe for breast cancer, particularly when the first pregnancy is after age 30.

Acute kidney injury linked to pre-existing kidney health, study finds
Physicians treating hospitalized patients for conditions unrelated to the kidneys should pay close attention to common blood and urine tests for kidney function in order to prevent incidental injury to the organs that help cleanse the body of toxins, new Johns Hopkins Bloomberg School of Public Health-led research suggests.

DNA with self-interest
Transposable elements are capable of 'jumping' from one genome position to another.

Vying for seats in the C-suite: Marketing and PR's focus is too narrow, Baylor study finds
Corporate communicators and marketing teams often compete to be in the C-suite, according to a Baylor University study.

Leicester research team identifies potential new targets for cancer treatments
Research papers identify key steps in cell division -- and potential to inhibit cancer cell division.

UNH scientists show 'breaking waves' perturb Earth's magnetic field
The underlying physical process that creates striking 'breaking wave' cloud patterns in our atmosphere also frequently opens the gates to high-energy solar wind plasma that perturbs Earth's magnetic field, or magnetosphere, which protects us from cosmic radiation.

Electronic security tag for protecting valuable shipments
In collaboration with its EU project partners, VTT has developed an electronic security tag, which can used to protect valuable shipments and enhance product safety in the future.

A turning point in the physics of blood
In a paper published May 1, 2015, in the journal Physical Review Letters, Professor Mike Graham and Ph.D. students Kushal Sinha and Rafael G.

Researchers discover how cocaine, amphetamines disrupt the brain's normal functioning
In a major advance in the field of neuropsychiatry, researchers in the Vollum Institute at Oregon Health & Science University have illuminated how cocaine and amphetamines disrupt the normal functioning of the dopamine transporter in the brain.

New study finds short-sightedness is becoming more common across Europe
Myopia or short-sightedness is becoming more common across Europe, according to a new study led by King's College London.

An important step in artificial intelligence
A circuit implementing the rudimentary artificial neural network successfully classified three letters by their images.

Odd genetic syndrome suggests increased blood vessel resistance could cause hypertension
A new study reveals the genetic causes of a curious, rare syndrome that manifests as high blood pressure accompanied by short fingers.

Partnership for finding particles
A new agreement between the United States and the European Organization for Nuclear Research (CERN) signed today will pave the way for renewed collaboration in particle physics, promising to yield new insights into fundamental particles and the nature of matter and our universe.

TSRI researchers investigate an enzyme important for nervous system health
Scientists from The Scripps Research Institute, working closely with researchers at the National Institutes of Health, have mapped out the structure of an important protein involved in cellular function and nervous system development.

Patients more likely to get HPV vaccine after electronic health record prompts
The HPV vaccine has the lowest completion rates of any other vaccine.

'Top 100' papers in lumbar spine surgery reflect trends in low back pain treatment
What are the most influential studies on surgery of the lower (lumbar) spine?

Tortoise approach works best -- even for evolution
When it comes to winning evolutionary fitness races, the tortoise once again prevails over the hare.

New study assesses risks of extreme weather to North Texas roads, runways
A new study led by Arne Winguth, associate professor of Earth and Environmental Sciences at UT Arlington, explains how climate change and extreme weather will significantly disrupt infrastructure across the Dallas-Fort Worth region by the end of the 21st century.

Yale Journal examines advances in complex adaptive systems and industrial ecology
In a special new issue, Yale's Journal of Industrial Ecology illustrates how the field is increasingly turning to complexity science for tools and insights in its pursuit of reduced environmental impacts.

Advanced MRI scans could help predict people at risk of schizophrenia
New scanning methods which map the wiring of the brain could provide a valuable new tool to predict people at risk of schizophrenia, according to a new study.

PPPL physicist wins Early Career Research Program grant
Physicist Luis Delgado-Aparicio has won an Early Career Research Program award to develop tools aimed at eliminating impurities in plasmas that can halt or slow down fusion reactions.

Mediterranean diet plus olive oil or nuts associated with improved cognitive function
Supplementing the plant-based Mediterranean diet with antioxidant-rich extra virgin olive oil or mixed nuts was associated with improved cognitive function in a study of older adults in Spain but the authors warn more investigation is needed, according to an article published online by JAMA Internal Medicine.

University of Miami's RoboCanes win RoboCup US Open 2015
The RoboCanes, the University of Miami's team of autonomous soccer-playing robots developed by students and faculty in the College of Arts & Sciences Computer Science Department, won the 2015 RoboCup US Open -- claiming victory for the first time since entering the competition in 2012.

Massively parallel biology students
The list of authors for an article on the comparative genomics of a fruit fly chromosome, published online May 11 by the journal G3, includes 940 undergraduates from 63 institutions.

Ease of weight loss influenced by individual biology
For the first time in a lab, researchers at the National Institutes of Health found evidence supporting the commonly held belief that people with certain physiologies lose less weight than others when limiting calories.

AGS opens 2015 Scientific Meeting by welcoming renowned geriatrician as next society president
The AGS Annual Scientific Meeting is the premier educational event in geriatrics, providing the latest information on clinical care, research on aging, and innovative models of care delivery.

Losing streak: Competitive high-school sports linked to gambling
A new Tel Aviv University study indicates that high-schoolers involved in competitive sports are at an elevated risk of addictive gambling.

Noul makes landfall in Philippines, thousands flee
On Sunday, May 10, 2015, Super Typhoon Noul (designated Dodong in the Philippines) made landfall in Santa Ana, a coastal town in Cagayan on the northeastern tip of the Philippine Islands.

Computer simulation accurately replicated real-life trauma outcomes, says Pitt team
A computer simulation, or 'in silico' model, of the body's inflammatory response to traumatic injury accurately replicated known individual outcomes and predicted population results counter to expectations, according to a study recently published in Science Translational Medicine by a University of Pittsburgh research team.

80 percent of cervical cancers found to be preventable with latest 9-valent HPV vaccine
The newest human papillomavirus vaccine, 9-Valent, can potentially prevent 80 percent of cervical cancers in the United States if given to all 11- or 12-year-old children before they are exposed to the virus.

Research aims to restore riparian corridors and an iconic tree
Beginning on May 11, Forest Service scientists will plant different combinations of tree and shrub species in four riparian areas on the Finger Lakes National Forest in New York and monitor the success of these different treatments for improving carbon and nitrogen ratios in the soil as well as plant, insect and wildlife biodiversity.

Frequent trips to ER are powerful predictor of death from prescription drug overdoses
Among individuals who visited the emergency department, the risk of subsequently dying from prescription drug overdose increased markedly based on how many times they visited the ER.

Antibiotic-resistant typhoid detected in countries around the world
A landmark genomic study shows antibiotic-resistant typhoid is driven by a single family of the bacteria, called H58, that has now spread globally.

Team approach to cardiovascular practice addresses challenges
Building teams that include advanced practice providers can help cardiovascular practices meet the challenges of workforce shortages, an aging patient population with growing complexities in care, and a payment system in transition, according to a new health policy statement by the American College of Cardiology released today.

Noise produces volcanic seismicity, akin to a drumbeat
Volcanoes are chaotic systems. They are difficult to model because the geophysical and chemical parameters in volcanic eruptions exhibit high levels of uncertainty.

Repurposed anti-cholesterol drug could improve treatment-resistant anemias
Diamond Blackfan anemia (DBA), a rare inherited bone marrow failure syndrome, is usually diagnosed during childhood and is typically treated with glucocorticoids that cause a host of unwanted, often dangerous side effects.

MDC and Charité researchers identify gene responsible for hypertension and brachydactyly
Individuals with this altered gene have hereditary hypertension and a skeletal malformation, brachydactyly type E, which is characterized by unusually short fingers and toes.

University of Leicester to host renowned international media and communication conference
More than 1,000 delegates are expected to attend the prestigious conference on memory, commemoration and communication.

School segregation still impacts African-Americans' minds decades later
As the nation observes the May 17 anniversary of the Supreme Court decision that ended racial segregation in public schools, a new study has found that desegregated schooling is tied to better performance for certain cognitive abilities in older African-American adults.

Study may suggest new strategies for myelodysplastic syndromes treatment
A study revealing fresh insight about chromosome 'tails' called telomeres may provide scientists with a new way to look at developing treatments or even preventing a group of blood cell disorders known as myelodysplastic syndromes.

NSF funds a unique program to train graduate STEM students
A curriculum in density-functional theory for graduate students in STEM fields is the goal of a National Science Foundation grant of nearly $3 million over five years awarded to a team of Penn State faculty.

May/June 2015 Annals of Family Medicine tip sheet
This tip sheet features original research and commentary published in the May/June 2015 issue of Annals of Family Medicine.

Brain cells capable of 'early-career' switch
Salk scientists find a single molecule that controls the fate of mature sensory neurons.

World Council on City Data launches Open City Data Portal
Today at the opening of the National League of Cities event, 'Big Ideas for Cities,' the World Council on City Data (WCCD) President and University of Toronto Global Cities Institute Director, Dr.

Survey finds miscarriage widely misunderstood
A survey of more than 1,000 US adults has found that misperceptions about miscarriage and its causes are widespread.

Solving corrosive ocean mystery reveals future climate
Around 55 million years ago, an abrupt global warming event triggered a highly corrosive deep-water current through the North Atlantic Ocean.

The Lancet: New study reveals 40 million deaths a year go unrecorded
In a sobering finding for global health authorities and governments around the world, a group of leading epidemiologists say two in three deaths globally -- or 40 million people -- go unreported.

Scientists obtain precise estimates of the epigenetic mutation rate
University of Groningen scientists have obtained the first precise estimates of how often epigenetic marks that influence gene activity appear or disappear in the plant Arabidopsis thaliana, a model organism in plant biology.

First theoretical proof: Measurement of a single nuclear spin in biological samples
Physicists of the University of Basel were able to show that the nuclear spins of single molecules can be detected with the help of magnetic particles at room temperature.

Using CRISPR, biologists find a way to comprehensively identify anti-cancer drug targets
Imagine having a complete catalog of the best drug targets to hit in a deadly form of cancer.

Advanced viral gene therapy eradicates prostate cancer in preclinical experiments
Even with the best available treatments, the median survival of patients with metastatic, hormone-refractory prostate cancer is only two to three years.

Fifteen undergraduate students receive travel awards from the Genetics Society of America
he Genetics Society of America is pleased to name the recipients of the GSA Undergraduate Travel Awards for summer 2015.

UCI study sheds new light on low-light vision, could aid people with retinal deficits
Driving down a dimly lit road at midnight can tax even those with 20/20 vision, but according to a recent UC Irvine study, the brain processes the experience no differently than if it were noon.

Griffith research sheds new light on cause of CFS
New research findings may shed new light on the potential cause of chronic fatigue syndrome/myalgic encephalomyelitis (CFS/ME).

Dopamine signals the value of delayed rewards
Dopamine is the chemical messenger in the brain most closely associated with pleasure and reward.

Starved T cells allow hepatitis B to silently infect liver
Hepatitis B stimulates processes that deprive the body's immune cells of key nutrients that they need to function, finds new UCL-led research funded by the Medical Research Council and Wellcome Trust.

For the first time, scientists tag a loggerhead sea turtle off US West Coast
Fifty miles out to sea from San Diego, in the middle of April, under a perfectly clear blue sky, NOAA Fisheries scientists Tomo Eguchi and Jeff Seminoff leaned over the side of a rubber inflatable boat and lowered a juvenile loggerhead sea turtle into the water.

Unlabeled stimulant BMPEA in sports supplement combined with exercise likely caused stroke
β-Methylphenylethylamine (BMPEA), an amphetamine-like stimulant that has been found in dietary supplements marketed to improve athletic performance and weight loss, could be to blame for hemorrhagic stroke in a patient who took the supplement before completing a vigorous workout.

Massive southern invasions by northern birds linked to climate shifts
Scientists have pinpointed the climate pattern that likely sets the stage for boreal bird irruptions in which vast numbers of northern birds migrate far south of their usual winter range.

A fine-tuned approach improves platelet generation from stem cells
A new study in the Journal of Clinical Investigation reports on a method to generate progenitor cells from murine embryonic stems that are able to produce a large number of functional platelets.

Study shows increased cardiorespiratory fitness may delay onset of high cholesterol
Men who have higher levels of cardiorespiratory fitness may delay by up to 15 years increases in blood cholesterol levels that commonly occur with aging, according to new research published today in the Journal of the American College of Cardiology.

First-in-class antibody mixture shows clinical activity against Tx-resistant, advanced CRC
Sym004, a mixture of two anti-epidermal growth factor receptor (EGFR) antibodies, was found to be clinically active in patients with advanced colorectal cancer that had become resistant to prior anti-EGFR therapies.

Disrupting cancer pathway could enhance new immunotherapies
Understanding how to overrule a signaling pathway that can cause treatments to fail in metastatic melanoma patients should help physicians extend the benefits of recently approved immunity-boosting drugs known as checkpoint inhibitors.

Mass murder, mental illness, and men
Mass murders in the United States are rare, but they receive a lot of media attention and are the focus of an ongoing controversy regarding the link between mass murder and mental illness among the perpetrators of these heinous acts, almost always men.

ACP calls for policies to support transgender rights, same-sex marriage
ACP officially supports transgender rights and same-sex marriage, opposes conversion therapy in new policy position paper A new policy position paper from the American College of Physicians offers recommendations on how to achieve health care equality for lesbian, gay, bisexual, and transgender patients.

New population genetics model could explain Finn, European differences
A new population genetics model developed by researchers at the University of Texas Health Science Center at Houston School of Public Health could explain why the genetic composition of Finnish people is so different from that of other European populations.

Method for determining possible stress marker in blood samples
A research collaboration between the universities of Oslo and Aarhus has resulted in the development of a new method with diagnostic potential.

A tale of two roads into protein unfolding
Researchers have used physical and chemical strategies to force proteins into unfolding but only now a new study reveals how exactly they work, with potential implications for a number of age-related diseases including Parkinson's, Alzheimer's, Huntington's and even cancer.

Global health leaders call for global biomedical R&D fund and mechanism
In advance of this month's World Health Assembly and the G7 summit in June, world leaders should consider the establishment of a global biomedical research and development fund and a mechanism to address the dearth in innovation for today's most pressing global health challenges, according to Bernard Pécoul, from the Drugs for Neglected Diseases Initiative, Geneva, Switzerland, and colleagues in an Essay published in this week's PLOS Medicine.

For children with autism, trips to the dentist just got easier
Adjusting the environment of a dentist's office can make routine cleanings less stressful for children with autism, research shows.

Out with heavy metal
Researchers have demonstrated a new process for the expanded use of lightweight aluminum in cars and trucks at the speed, scale, quality and consistency required by the auto industry.

Men with high estrogen levels could be at greater risk of breast cancer
Men with naturally high levels of the female hormone estrogen may have a greater risk of developing breast cancer.

Some immigrants and refugees in Ontario at higher risk of psychotic disorders
Some refugees and immigrants have a higher risk of psychotic disorders, with immigrants from the Caribbean and refugees from East Africa and South Asia at 1.5 to 2 times greater risk than the general population, according to a large study in CMAJ (Canadian Medical Association Journal).

Humans, livestock in Kenya linked in sickness and in health
After tracking 1,500 households and their livestock in 10 western Kenyan villages for one year, researchers found a strong relationship between the number of illnesses among family members and the number of livestock sicknesses and deaths in the same household.

Tropical Storm Dolphin threatening Micronesia
The MODIS instrument on the Aqua satellite captured this image of Tropical Storm Dolphin riding roughshod over the Federated States of Micronesia.

Large-scale meta-analysis discovered 10 new genes that tune cholesterol levels
An international research consortium has generated significant new knowledge about genetic factors underlying lipid levels.

More severe weather in store for middle states in US
Today's imagery from NASA's AIRS instrument on the Aqua satellite indicates more severe weather is in store for the Midwest from Texas to Michigan.

First beef with the goodness of fish
Chinese scientists have reared beef rich in the beneficial fatty acids associated with fish oils.

Space technology identifies vulnerable regions in West Africa
University of Leicester researchers in collaboration with NASA use satellites to map land degradation in Sub-Saharan West Africa.

Combined radiation and hormonal therapy improves survival in node-positive prostate cancer
A new study finds that men with prostate cancer that has spread to nearby lymph nodes can benefit from the addition of radiation therapy to treatments that block the effects of testosterone.

Dana-Farber/Boston Children's opens immunotherapy trial for children with leukemia
Dana-Farber/Boston Children's Cancer and Blood Disorders Center has joined a clinical trial of immunotherapy for children with relapsed or treatment-resistant acute lymphoblastic leukemia (ALL).

Certain treatments for childhood cancer may increase obesity risk later in life
Individuals who had cancer as a child may be at increased risk of being obese due to the therapies they received during their youth.

The influence of increased atmospheric CO2 concentration on European trees
Increased atmospheric CO2 concentrations have already caused large-scale physiological responses of European forests.

Space lab to elucidate how liquid cocktails mix
What does space experimentation have in common with liquid cocktails?

Magic wavelengths
Rydberg atoms, atoms whose outermost electrons are highly excited but not ionized, might be just the thing for processing quantum information.

Increased risk of neuropathy in patients with celiac disease
Celiac disease, which results from a sensitivity to gluten, was associated with a 2.5-fold increased risk of neuropathy (nerve damage), according to an article published online by JAMA Neurology.

This year's Johan Skytte Prize winner announced
Francis Fukuyama, Olivier Nomellini Senior Fellow at the Freeman Spogli Institute for International Studies at Stanford University, is awarded the 2015 Johan Skytte Prize in Political Science.

Robot pets to rise in an overpopulated world
Robotic dogs are likely to replace the real thing in households worldwide in as little as a decade, as our infatuation with technology grows and more people migrate to high-density city living.

Gulf of Maine red tide bloom expected to be similar to past 3 years
New England's spring and summer red tides will be similar in extent to those of the past three years, according to the 2015 Gulf of Maine red tide seasonal forecast.

Group B Streptococcus breaches the blood-brain-barrier
A new study in the Journal of Clinical Investigation identifies a pathway that is induced by Group B Streptococcus and disrupts junctions between cells.

Ethicists propose solution for US organ shortage crisis in JAMA piece
A fairly simple and ethical change in policy would greatly expand the nation's organ pool while respecting autonomy, choice, and vulnerability of a deceased's family or authorized caregiver, according to experts at NYU Langone Medical Center.

Breast cancer patients 60+ with luminal A subtype may not need radiation if on hormone therapy
Women with luminal A subtype breast cancer -- and particularly those older than 60 -- may not need radiation treatment if they are already taking hormone therapy, shows clinical research led by radiation oncologists at the Princess Margaret Cancer Centre published online today in the Journal of Clinical Oncology.

Public health approach to reducing traumatic brain injury -- Update from CDC
Ongoing efforts by the Centers for Disease Control and Prevention to reduce the population impact of traumatic brain injury are documented in the May/June issue of The Journal of Head Trauma Rehabilitation, official journal of the Brain Injury Association of America.

Bacterial forensics -- tracing a suspect from the microbes on their shoes
The microbial 'signatures' found on an individual's personal items, such as their shoes and cell phone, could be used to determine their previous location and trace their movements, according to a small pilot study published in the open-access journal Microbiome.

New report: First compilation of global addictions
The world's first comprehensive report on global addictions has revealed Australians smoke less tobacco and drink less alcohol than the British, but Aussies take more illicit drugs.

A new chapter in Earth history
Can nuclear weapons fallout mark the beginning of the Anthropocene Epoch?

Healing plants inspire new compounds for psychiatric drugs
Treatments used by traditional healers in Nigeria have inspired scientists at Northwestern University to synthesize four new chemical compounds that could one day lead to better therapies for people with psychiatric disorders.

Children exposed to multiple languages may be better natural communicators
Young children who hear more than one language spoken at home become better communicators, a new study from University of Chicago psychologists finds.

Study links father's age and risk of blood cancer as an adult
A new study links a father's age at birth to the risk that his child will develop blood and immune system cancers as an adult, particularly for only children.

How cancer tricks the lymphatic system into spreading tumors
Cancer researchers and immunologists at Sweden's Karolinska Institutet have discovered how cancer cells can infiltrate the lymphatic system by 'disguising' themselves as immune cells (white blood cells).

'Not just a flavoring:' Menthol and nicotine, combined, desensitize airway receptors
Menthol acts in combination with nicotine to desensitize the type of nicotinic receptors found in lungs and airways that are responsible for nicotine's irritation, say Georgetown University Medical Center researchers.

Tapping the potential of undergraduate researchers
Recent reports on undergraduate education have emphasized the crucial role of authentic research experiences.

A climate signal in the global distribution of copper deposits
Climate helps drive the erosion process that exposes economically valuable copper deposits and shapes the pattern of their global distribution, according to a new study from researchers at the University of Idaho and the University of Michigan.

Vineyard habitats help butterflies return
Washington wine grape vineyards experimenting with sustainable pest management systems are seeing an unexpected benefit: an increase in butterflies.

TSRI scientists link brain protein to binge-drinking behavior
Scientists at The Scripps Research Institute have discovered that a brain protein has a key role in controlling binge drinking in animal models.

High-performance 3-D microbattery suitable for large-scale on-chip integration
By combining 3-D holographic lithography and 2-D photolithography, researchers from the University of Illinois at Urbana-Champaign have demonstrated a high-performance 3-D microbattery suitable for large-scale on-chip integration with microelectronic devices.

New Harvard research finds walnuts may help slow colon cancer growth
New Harvard research finds walnuts may help slow colon cancer growth.

Cardiovascular risk factors extremely high in people with psychosis
Extremely high levels of cardiovascular risk factors have been found in people with established psychosis, with central obesity evident in over 80 percent of participants, in a study by researchers from the NIHR Biomedical Research Centre at the South London and Maudsley NHS Foundation Trust and King's College London.

Nurses cut stress 40 percent with relaxation steps at work
It's estimated that one million people a day miss work in the United States because they're too stressed out.

ORNL superhydrophobic glass coating offers clear benefits
A moth's eye and lotus leaf were the inspirations for an antireflective water-repelling, or superhydrophobic, glass coating that holds significant potential for solar panels, lenses, detectors, windows, weapons systems and many other products.

Ana makes landfall in South Carolina on Mother's Day
This was no Mother's Day gift to South Carolina as Ana made landfall on Sunday.

Toddlers understand sound they make influences others, research shows
Confirming what many parents already know, researchers at Georgia State University and the University of Washington have discovered that toddlers, especially those with siblings, understand how the sounds they make affect people around them.

New device could greatly improve speech and image recognition
Researchers at the University of California, Riverside Bourns College of Engineering and the Russian Academy of Sciences have successfully demonstrated pattern recognition using a magnonic holographic memory device, a development that could greatly improve speech and image recognition hardware.

Photosynthesis has unique isotopic signature, UCLA researchers report
Photosynthesis leaves behind a unique calling card in the form of a chemical signature that is spelled out with stable oxygen isotopes, UCLA geochemists reported April 24 in the journal Science.

Is it time to ditch annual performance reviews?
Most of us have had annual or semi-annual formal performance reviews, but a new paper by psychologists at Rice University reinforce the importance of continuous feedback on employee performance, and how the social environment can either encourage or inhibit that feedback. 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