Brightsurf Science News & Current Events

December 09, 2014
Researchers assessing new treatment for common hospital-acquired infection, C. difficile
One of the most common infections contracted in hospitals, C.

Bayer and DNDi sign agreement to develop an oral treatment for river blindness
Bayer HealthCare and the Drugs for Neglected Diseases initiative have signed an agreement under which Bayer will provide the active ingredient emodepside to support DNDi in its effort to develop a new oral drug to treat river blindness (or onchocerciasis).

Doctors trained in higher expenditure regions spend more, may add to rising health care costs
A study published today in the Journal of the American Medical Association shows that physicians who do residency training in regions of the country with higher health care spending patterns continue to practice in a more costly manner -- even when they move to a geographic area where health care spending is lower.

Insulin dosage for type 2 diabetes linked with increased death risk
Analysis of thousands of NHS records has uncovered a link between an increased dosage of insulin in the treatment of type 2 diabetes and a heightened risk of death in patients

Ancient balloon-shaped animal fossil sheds light on Earth's ancient seas
A rare 520 million year old fossil shaped like a 'squashed bird's nest' that will help to shed new light on life within Earth's ancient seas has been discovered in China by an international research team -- and will honor the memory of a University of Leicester scientist who passed away earlier this year.

Computer system more effective than doctors at producing comprehensive patient reports
A computer system was more effective than doctors at collecting information about patient symptoms, producing reports that were more complete, organized and useful than narratives generated by physicians during office visits, according to a Cedars-Sinai study.

Penn researchers show commonalities in how different glassy materials fail
Researchers at the University of Pennsylvania have now shown an important commonality that seems to extend through the range of glassy materials.

Brain scans link frontal abnormalities to suicidal behaviors in adolescents, young adults
Scientists are closer to understanding how suicidal thoughts and behaviors are generated, according to a study presented at the American College of Neuropsychopharmacology annual meeting.

Storing hydrogen underground could boost transportation, energy security
Large-scale storage of low-pressure, gaseous hydrogen in salt caverns and other underground sites for transportation fuel and grid-scale energy applications offers several advantages over above-ground storage, says a recent Sandia National Laboratories study sponsored by the Department of Energy's Fuel Cell Technologies Office.

Corporate responsibility eases customer reactions to bad service
While some customers might be angry about a shop's bad service, researchers say other customers may think 'it's all good' -- if they learn the shop donates a percentage of every purchase to charitable causes that customers value.

Paying attention makes touch-sensing brain cells fire rapidly and in sync
Whether we're paying attention to something we see can be discerned by monitoring the firings of specific groups of brain cells.

Aorta: A novel free aortic surgery app for cardiologists and cardiac surgeons
Three cardiac surgeons from the Montreal Heart Institute, Dr. Yoan Lamarche, Dr.

Nutrient availability can cause whole-genome recoding
The availability of a trace nutrient can cause genome-wide changes to how organisms encode proteins, report scientists from the University of Chicago in PLoS Biology on Dec.

Top-selling eye vitamins found not to match scientific evidence
With Americans spending billions annually on nutritional supplements, researchers analyzed popular eye vitamins to determine whether their formulations and claims are consistent with scientific findings.

Can organic crops compete with industrial agriculture?
An analysis of 115 studies comparing organic and conventional farming finds that the crop yields of organic agriculture are higher than previously thought.

The gold standard
New nanoscale computational modeling predicts gold could be an effective and affordable catalyst for energy and environmental applications.

Immunizing schoolkids fights flu in others, too
Mathematical models predicted it, and now a University of Florida study confirms it: Immunizing school-aged children from flu can protect other segments of the population, as well.

Study shows cognitive training can improve brain performance of students in poverty
The cognitive effects of poverty can be mitigated during middle school with a targeted intervention, according to researchers at the Center for BrainHealth at The University of Texas at Dallas.

Too many returns this holiday? How loyal customers can hurt sales
Many people have strong habits when it comes to shopping, preferring favorite stores and favorite brands.

Twitter posts may shine a fresh light on mental illness trends
Computers scientists track tweets to gather important information about common mental illnesses.

Wait for it: How do wealth and culture guide international product rollouts?
How do wealth and culture affect the international success of a new product, especially for those nations that have to wait?

Food groups create 'Back to Balance Coalition,' release health professional survey
A coalition of 18 food organizations today announced the formation of a new Back to Balance Coalition aimed at promoting balanced, practical and achievable dietary guidance.

Restricting surgical residents' hours doesn't improve outcomes
Controversial restrictions on hospital residents' duty hours imposed in 2011 did not improve surgery patients' outcomes and may hurt patient safety and doctor-patient relationships, reports a large new study of US hospitals, one of the first national evaluations of the restrictions.

James Ingle of Mayo Clinic Recognized for Breast Cancer Research
James Ingle, M.D., an internationally recognized breast cancer expert, will receive the 2014 William L.

Effect of medical resident duty hour reforms on patient outcomes
An examination of the effect of resident duty hour reforms in 2011 finds no significant change in mortality or readmission rates for hospitalized patients, according to a study in the Dec.

BMJ investigation sheds light on alleged NHS privatisation since government reforms
One-third of NHS contracts have been awarded to private sector providers since the Health and Social Care Act came into force, finds an investigation by The BMJ today.

Abandoning websites: Are annoying ads good for business?
Most consumers have experienced online ads so garish, loud or aggravating that they can't possibly be ignored.

Three new Myriad studies highlighted at 2014 San Antonio Breast Cancer Symposium
Three new Myriad studies presented at the 2014 San Antonio Breast Cancer Symposium found that the myRisk Hereditary Cancer test detected 105 percent more mutations in cancer causing genes than conventional BRCA testing alone; the myChoice HRD test accurately predicted response to platinum-based therapy in patients with early-stage triple negative breast cancer and the BRACAnalysis test significantly predicted response to platinum-based drugs in patients with metastatic triple negative breast cancer.

Health care lessons learned in the aftermath of September 11, 2001
Fourteen years after the attack on the World Trade Center, a case study in Annals of Global Health identifies several elements that have had a critical impact on the evolution of the WTC response and, directly or indirectly, on the health of the WTC-exposed population.

Common chemotherapy is not heart toxic in patients with BRCA1/2 mutations
Use of anthracycline-based chemotherapy, a common treatment for breast cancer, has negligible cardiac toxicity in women whose tumors have BRCA1/2 mutations -- despite preclinical evidence that such treatment can damage the heart.

Laughing gas studied as depression treatment
Nitrous oxide, or laughing gas, has shown early promise as a potential treatment for severe depression in patients whose symptoms don't respond to standard therapies.

New resource on health threats posed by endocrine-disrupting chemicals
As governments, industry and public interest groups from across the globe prepare to meet next week to discuss endocrine-disrupting chemicals and other international chemical safety issues, the Endocrine Society and IPEN released a new guide documenting the threat endocrine-disrupting chemicals pose to human health.

Iowa State physicist helps write the (very big) book on two major physics experiments
Iowa State's Soeren Prell helped write the new and definitive book on the physics of the BaBar and Bell experiments.

Toxic fruits hold the key to reproductive success
Scientists at the Max Planck Institute for Chemical Ecology in Jena, Germany, have now discovered why the fruit fly Drosophila sechellia is adapted to the toxic fruits of the morinda tree.

Light-based technology tracks oxygen levels underwater for swim performance, muscle repair
A research article published today describes a new light-based technology for measuring oxygen content in muscles while underwater, valuable information for competitive swimmers as well as patients using water-based therapies to recover from muscle injuries.

The legend of the kamikaze typhoons
In the late 13th Century, Kublai Khan, ruler of the Mongol Empire, launched one of the world's largest armada of its time in an attempt to conquer Japan.

Call to change concept of harm reduction in alcohol policy
A new policy paper by a University of York academic calls for limits on the influence of the drinks industry in shaping alcohol policy because it has a 'fundamental conflict of interest'.

Long-term endurance training impacts muscle epigenetics
A new study from Karolinska Institutet in Sweden shows that long-term endurance training in a stable way alters the epigenetic pattern in the human skeletal muscle.

Nanotechnology against malaria parasites
Malaria parasites invade human red blood cells; they then disrupt them and infect others.

Fueling the future
A team of researchers at the US Department of Energy's Argonne National Laboratory has partnered with industry leaders Cummins, Inc., and Convergent Science, Inc. to create integrated models of one key element of engine behavior: the fluid dynamics of fuel injectors in modern engines.

Mobile device use leads to few interactions between mother and child during mealtime
Moms who use mobile devices while eating with their young children are less likely to have verbal, nonverbal and encouraging interactions with them.

Online students give instructors higher marks if they think instructors are men
A new study shows that college students in online courses give better evaluations to instructors they think are men -- even when the instructor is actually a woman.

Buckle up for more big news from InSPACE's nano-world
With the InSPACE experiments, the idea is to understand the fundamental science around directed self-assembly.

Women with dense breasts will have to look beyond ultrasound for breast cancer screening
Supplemental ultrasound screening for all US women with dense breasts would substantially increase healthcare costs with little improvement in overall health, according to a Dartmouth-led research study.

German researchers propose better substances for treating the dengue virus
Researchers from Johannes Gutenberg University Mainz and the Julius Maximilian University of Würzburg are proposing potential new active substances for treating the dengue virus.

UTSA biologist honored as Mentor of the Year by Southern Regional Education Board
The Southern Regional Education Board, comprised of representatives from 18 states, recently selected University of Texas at San Antonio Department of Biology Chair Edwin Barea-Rodriguez as its Mentor of the Year at its annual conference in Atlanta.

Study of malaria parasites receives 4-year NIH grant of up to $1.8 million
The National Institutes of Health awarded Texas Biomedical Research Institute staff scientist Ian Cheeseman, Ph.D., over $450,000 in first-year funding and is expected to receive up to $1.8 million over four years to continue research into a new method for sequencing the genomes of individual malaria parasites.

New insight into risk of ankylosing spondylitis
Scientists at the University of Southampton have discovered variations in an enzyme belonging to the immune system that leaves individuals susceptible to ankylosing spondylitis.

Mayo Clinic: Genotyping errors plague CYP2D6 testing for tamoxifen therapy
Clinical recommendations discouraging the use of CYP2D6 gene testing to guide tamoxifen therapy in breast cancer patients are based on studies with flawed methodology and should be reconsidered, according to the results of a Mayo Clinic study published in the Journal of the National Cancer Institute.

Study links ADHD, conduct disorder with alcohol and tobacco use in young teens
A new study links attention deficit hyperactivity disorder and conduct disorder in young adolescents with increased alcohol and tobacco use.

It doesn't add up: People who say they are good at math, but aren't
Thinking you're good at math and actually being good at it are not the same thing, new research has found.

With experience, people can tell bears apart
Studying the social interaction of bears through the use of camera traps and visual observations requires that humans be able to tell individuals apart.

KIT receives IEEE Milestone Heinrich Hertz
The Karlsruhe Institute of Technology receives the IEEE Milestone 'Heinrich Hertz' of the Institute of Electrical and Electronics Engineers.

UT Southwestern scientist honored as rising star in Texas research
The Academy of Medicine, Engineering and Science of Texas has selected Dr.

Stroke: Promising results of an important study published in the scientific journal Brain
The majority of patients who survive a stroke usually continue to suffer from permanent motor disorders (hemiparesis) or a linguistic handicap (aphasia).

New report explores the use of digital games in the classroom during the learning process
A new report from the A-GAMES project, a collaboration between New York University and the University of Michigan, examines how teachers are using digital games in their classrooms to monitor student learning and provide ongoing feedback.

Annual NHS spend on management consultancy has doubled since 2010
Annual NHS spending on management consultancy has doubled from £313 million to £640 million between 2010 and 2014, despite a promise by Health Secretary Andrew Lansley to 'slash' spending after the 2010 election, reveals an article in The BMJ this week.

Warmer Pacific Ocean could release millions of tons of seafloor methane
Water off Washington's coast is warming a third of a mile down, where seafloor methane shifts from a frozen solid to a gas.

Can doctors be trained in a 48-hour working week?
Since August 2009 all UK trainee doctors have been restricted to a 48 hour week, but some say this has had negative effects on the quantity and quality of medical training.

NREL teams with SolarCity to maximize solar power on electrical grids
The Energy Department's National Renewable Energy Laboratory and SolarCity have entered into a cooperative research agreement to address the operational issues associated with large amounts of distributed solar energy on electrical grids.

Holiday contributions: What makes people upgrade to a recurring donation?
Smaller recurring donations are generally more beneficial to a non-profit than larger, one-time donations, yet non-profits struggle to convince donors to move beyond one-time contributions.

Why treating shoulder pain in baseball pitchers is so difficult
Results of treating shoulder pain in baseball pitchers and other throwing athletes are not as predictable as doctors, patients and coaches would like to think.

You are what you eat -- if you're a coral reef fish
In a world first study researchers have found a coral-eating fish that disguises its smell to hide from predators.

Temperature anomalies are warming faster than Earth's average
It's widely known that the Earth's average temperature has been rising.

Conservation targeting tigers pushes leopards to change
A leopard may not be able to change its spots, but new research from a World Heritage site in Nepal indicates that leopards do change their activity patterns in response to tigers and humans -- but in different ways.

Stain every nerve
Scientists can now explore nerves in mice in much greater detail than ever before, thanks to an approach developed by scientists at EMBL Monterotondo.

Emergency department resource use by supervised residents vs. attending physicians alone
In a sample of US emergency departments, compared to attending physicians alone, supervised visits -- involving both resident and attending physicians -- were associated with a greater likelihood of hospital admission and use of advanced imaging and with longer emergency department stays, according to a study in the Dec.

Wetlands more vulnerable to invasives as climate changes
Changing water temperatures, rainfall patterns and seasonal river flows linked to global warming may give invasive wetland plants a slight but significant competitive edge over less adaptable native species, according to a groundbreaking three-year Duke University field study conducted at 24 riparian wetland sites in the US Southeast.

Germanium comes home to Purdue for semiconductor milestone
A laboratory at Purdue University provided a critical part of the world's first transistor in 1947 -- the purified germanium semiconductor -- and now researchers here are on the forefront of a new germanium milestone.

Carbon soot particles, dust blamed for discoloring India's Taj Mahal
The Taj Mahal's iconic marble dome and soaring minarets require regular cleaning to maintain their dazzling appearance, and scientists now know why.

UH professor honored for materials research, STEM outreach
University of Houston mathematician Yuliya Gorb recently received a five-year, $420,000 National Science Foundation CAREER Award for both her research and an outreach program she's developing for high school girls.

IEEE honors NYU researchers for breakthrough paper on new-generation wireless technology
A research team led by NYU WIRELESS director Theodore Rappaport will receive the 2015 IEEE Donald G.

Higher earning clinicians make more money by ordering more procedures per patient
In results characterized as 'very surprising,' UCLA researchers found for the first time that higher-earning clinicians make more money by ordering more procedures and services per patient rather than by seeing more patients, which may not be in patients' best interest.

Birdsong study reveals how brain uses timing during motor activity
Timing is key for brain cells controlling a complex motor activity like the singing of a bird, finds a new study published by PLOS Biology.

SESYNC-USGS-USDA water-food systems research supports White House Climate Data Initiative
The National Socio-Environmental Synthesis Center announced an innovative partnership with the US Geological Survey and the US Department of Agriculture to catalyze actionable, data-intensive research at the water and food systems nexus.

'Tis the season for youth to curb binge-drinking
With the holidays around the corner, we're all a little more likely to indulge, especially when it comes to alcohol.

NASA measures Typhoon Hagupit's Philippine rainfall from space
After hitting Samar in the Eastern Philippines Hagupit's continued slow movement resulted in high rainfall amounts along the typhoon's track.

E-cigarettes less addictive than cigarettes
E-cigarettes appear to be less addictive than cigarettes for former smokers and this could help improve understanding of how various nicotine delivery devices lead to dependence, according to researchers.

Number of medical schools with student-run free clinics has more than doubled
There has been a doubling during the last decade in the number of US medical schools that have student-run free clinics, with more than half of medical students involved with these clinics, according to a study in the Dec.

Possible genetic link found in treatment-related cognitive issues in children with leukemia
Common variations in four genes related to brain inflammation or cells' response to damage from oxidation may contribute to the problems with memory, learning and other cognitive functions seen in children treated for acute lymphoblastic leukemia, according to a research presented at the meeting of the American Society of Hematology.

Composite materials can be designed in a supercomputer 'virtual lab'
UCL scientists have shown how advanced computer simulations can be used to design new composite materials.

Genome sequencing traces MRSA spread in high transmission setting
Methicillin-resistant Staphylococcus aureus is a common cause of hospital-acquired infections, with the largest burden of infections occurring in under-resourced hospitals.

Seasonal flu vaccines boost immunity to many types of flu viruses
Seasonal flu vaccines may protect individuals not only against the strains of flu they contain but also against many additional types, according to a study published this week in mBio®, the online open-access journal of the American Society for Microbiology.

Controlling obesity with potato extract
A simple potato extract may limit weight gain from a diet that is high in fat and refined carbohydrates, according to scientists at McGill University.

Metal test could help diagnose breast cancer early
It may be possible to develop a simple blood test that, by detecting changes in the zinc in our bodies, could help to diagnose breast cancer early.

Even in our digital age, early parental writing support is key to children's literacy
Children of the Information Age are inundated with written words streaming across smartphone, tablet, and laptop screens.

David and Goliath: When do underdog businesses benefit from neighborhood giants?
Is being located next to a big-name competitor always bad for your small business?

Abandoned wells can be 'super-emitters' of greenhouse gas
Princeton University researchers have uncovered a previously unknown, and possibly substantial, source of the greenhouse gas methane to the Earth's atmosphere.

Molecular decoys help overcome drug resistance
Efflux pumps are proteins that prevent antimicrobial drugs from getting a foothold in a bacterial cell by identifying and pumping them out of the cell.

Sleep disturbance linked to amyloid in brain areas affected by Alzheimer's disease
Disturbed sleep could be an early target in preventing cognitive deficits later in life according to a study presented at the American College of Neuropsychopharmacology annual meeting.

No increase in patient deaths or readmissions following restrictions to residents' hours
In the first year after the Accreditation Council for Graduate Medical Education reduced the number of continuous hours that residents can work, there was no change in the rate of death or readmission among hospitalized Medicare patients, according to a new study published in JAMA.

Put algae in your tank
Because food crops are also used for energy production, millions of people are threatened by starvation.

Technology-dependent emissions of gas extraction in the US
Not all boreholes are the same. Scientists of the Karlsruhe Institute of Technology used mobile measurement equipment to analyze gaseous compounds emitted by the extraction of oil and natural gas in the USA.

Inclusive Wealth Index shows more than half of countries 'consuming beyond their means'
An innovative yardstick -- the Inclusive Wealth Index -- offers 140 countries a new perspective on their economic performance in recent decades, one that extends beyond Gross Domestic Product to help reflect sustainable development.

Epidemiologist publishes model on the impact of a regional foot-and-mouth disease outbreak
A model developed by a Kansas State University epidemiologist and one of his former graduate student evaluates the impact and control of a potential outbreak of foot-and-mouth disease in livestock.

Nuclear medicine treatment shows promise for cancer therapy
Cancer therapy can be much more effective using a new way to customize nuclear medicine treatment, researchers say in the December 2014 issue of The Journal of Nuclear Medicine.

Study examines effect of resident duty hour reforms on general surgery patients
An examination of the effect of resident duty hour reforms in 2011 finds no significant change in outcomes for general surgery patients, according to a study in the Dec.

Languages of medical residency applicants compared to patients with limited English
An analysis of the non-English-language skills of US medical residency applicants finds that although they are linguistically diverse, most of their languages do not match the languages spoken by the US population with limited English proficiency, according to a study in the Dec.

Are you helping your toddler's aggressive behavior?
Physical aggression in toddlers has been thought to be associated with the frustration caused by language problems, but a recent study by researchers at the University of Montreal shows that this isn't the case.

Innovative application of metamaterials to improve radars
At the International Radar Conference held in Lille the researchers of the NUP/UPNA-Public University of Navarre received an award for their work 'Blind Spot Mitigation in Phased Array Antenna using Metamaterials'.

AGU Fall Meeting: Press conference schedule, briefings streamed online, badge pickup
This release concerns the AGU Fall Meeting, including the press conference schedule, briefings streamed online and badge pickup.

Experts call for faster mobilization of 'overlooked' survivors to contain Ebola epidemic
In an editorial published online today in the International Journal of Epidemiology, experts from the Departments of Psychiatry and Epidemiology at Columbia University, New York, are calling for survivors of the Ebola epidemic to be mobilised in a bid to hasten containment of the disease.

Understanding local markets: How should parent companies manage rebel subsidiaries?
What drives some subsidiaries to strive for so much autonomy that they are actually harming the parent company?

Yeast are first cells known to cure themselves of prions
Yeast cells can sometimes reverse the protein misfolding and clumping associated with diseases such as Alzheimer's, according to new research.

Study assesses hospice use in and out of nursing homes and by patients in transition
A new study from the Regenstrief Institute and the Indiana University Center for Aging Research compares the characteristics of hospice patients in nursing homes with hospice patients living in the community.

Guidelines for treatment of Ebola patients are urgently needed
As the Ebola Virus Diseases epidemic continues to rage in West Africa, infectious diseases experts call attention to the striking lack of treatment guidelines.

Certain factors influence survival and prognosis for premature infants
Several factors influence how well a severely premature infant, 23 weeks gestation, will do after birth and over the long term, according to researchers at Loyola University Medical Center.

Levent Alpoge to receive 2015 AMS-MAA-SIAM Morgan Prize
Levent Alpoge will be awarded the 2015 AMS-MAA-SIAM Frank and Brennie Morgan Prize for Outstanding Research by an Undergraduate Student in Mathematics 'for several contributions in the fields of number theory, probability, and combinatorics.'

Shifting boundaries and changing surfaces
OIST's Mathematical Soft Matter Unit explores the interaction of energies at the crossroads between physics and mathematics.

Now researchers can see how unfolded proteins move in the cell
When a large protein unfolds in transit through a cell, it slows down and can get stuck in traffic.

Using genome sequencing to track MRSA in under-resourced hospitals
Whole genome sequencing of MRSA from a hospital in Asia has demonstrated patterns of transmission in a resource-limited setting, where formal screening procedures are not feasible.

Long-term results confirm success of MGH-developed laser treatment for vocal-cord cancer
The first long-term study of a pioneering endoscopic laser treatment for early vocal-cord cancer, developed at Massachusetts General Hospital and previously shown to provide optimal voice outcomes, finds that it is as successful as traditional approaches in curing patients' tumors while avoiding the damage to vocal quality caused by radiotherapy or by conventional laser or cold-instrument surgery.

£1.2 million capital investment in science education at Plymouth University
Plymouth University has received funding in excess of £1.2 million from the Higher Education Funding Council for England to support capital investment for teaching facilities in existing and proposed laboratories, at the headquarters of Plymouth University Peninsula Schools of Medicine and Dentistry, Plymouth Science Park.

Smoking still causes large proportion of cancer deaths in the United States
A new American Cancer Society study finds that despite significant drops in smoking rates, cigarettes continue to cause about three in ten cancer deaths in the United States.

Increased BMI in the normal range has a negative effect on cardiometabolic risk markers
Increases in excess fat adversely affect multiple cardiometabolic risk markers even in lean young adults according to a new study published this week in PLOS Medicine.

What quails can teach us about the gait of dinosaurs
Motion scientists and zoologists of Jena University study out the gait of birds.

Region of medical residency training may affect future spending patterns of physician
Among primary care physicians, the spending patterns in the regions in which their residency program was located were associated with expenditures for subsequent care they provided as practicing physicians, with those trained in lower-spending regions continuing to practice in a less costly manner, even when they moved to higher-spending regions, and vice versa, according to a study in the Dec.

Uncovering complex network structures in nature
Complex networks arise in a wide range of real social, technological and physical systems.

ERC starting grants for two researchers of the Max Delbrück Center
Two researchers of the Max Delbrück Center will receive over 3 million euros in research funding from the European Research Council in Strasbourg.

Distraction, if consistent, does not hinder learning
A new study challenges the idea that distraction is necessarily a problem for learning.

Data published on ANG4043, anti-HER2 monoclonal antibody for treatment of brain metastases
Data published in Molecular Cancer Therapeutics, entitled 'ANG4043, a Novel Brain-penetrant Peptide-mAb Conjugate, is Efficacious against HER2-positive Intracranial Tumors in Mice,' demonstrates that ANG4043, a peptide-monoclonal antibody conjugate, entered the brain at therapeutic concentrations, resulting in significantly prolonged survival in mice.

Altered movement of white blood cells may predict sepsis in patients with major burns
A team of Massachusetts General Hospital investigators has identified what may be a biomarker predicting the development of the dangerous systemic infection sepsis in patients with serious burns.

NASA's IceBridge Antarctic campaign wraps up
NASA's Operation IceBridge recently completed its 2014 Antarctic campaign, marking the mission's sixth set of flights over Antarctica.

Being lower in pecking order improves female tit birds' memory
When it comes to remembering where a tasty titbit was left, female great tit birds are miles ahead of their male counterparts.

People with opioid dependence in recovery show 're-regulation' of reward systems
Within a few months after drug withdrawal, patients in recovery from dependence on prescription pain medications may show signs that the body's natural reward systems are normalizing, reports a study in the Journal of Addiction Medicine, the official journal of the American Society of Addiction Medicine.

Multiple, short learning sessions strengthen memory formation in fragile X syndrome
A learning technique that maximizes the brain's ability to make and store memories may help overcome cognitive issues seen in fragile X syndrome, a leading form of intellectual disability, according to University of California Irvine neurobiologists.

Simeprevir-based therapy offers cost-effective alternative in treatment of hepatitis C
Researchers at Penn Medicine, in collaboration with an international team, have shown that a protease inhibitor, simeprevir, along with interferon and ribavirin is as effective in treating chronic Hepatitis C virus infection as telaprevir with interferon and ribavirin, the standard of care in developing countries.

Delayed cancer diagnosis unlikely to be due to poor medical practice
Poor professional performance is an unlikely cause of delays in referral for suspected cancer, argue researchers in The BMJ this week.

Nanoscale resistors for quantum devices
Researchers from the London Centre for Nanotechnology have made new compact, high-value resistors for nanoscale quantum circuits.

Most exaggeration in health news is already present in academic press releases
Most exaggeration in health related science news is already present in academic press releases, finds a study published in The BMJ this week.

Analysis shows increased use of HF-WBI for patients with early-stage breast cancer
The use of hypofractionated whole-breast irradiation for patients with early-stage breast cancer increased 17.4 percent from 2004 to 2011, and patients are more likely to receive hypofractionated whole-breast irradiation compared to conventionally fractionated whole-breast irradiation when they are treated at an academic center or live less than or equal to 50 miles away from a cancer center, according to a study published in the Dec.

Springer starts new journal with the Italian Economic Association
Springer will publish the new official journal of the Italian Economic Association, the Italian Economic Journal.

Disney Researchers use multiple photos to estimate lighting conditions of outdoor scenes
Techniques now used to reconstruct 3D models based on multiple photos of a building, object or scene can also be leveraged to automatically estimate illumination conditions depicted in a collection of photographs, scientists at Disney Research and Université Laval report.

Fathering offspring is more than just a race to the egg
The chance of a male fathering offspring may not be a simple race to the egg, but is influenced by the length of the male's sperm, say scientists from the University of Sheffield.

Largest ever CTBT on-site inspection exercise concludes successfully
The most sophisticated on-site inspection exercise conducted to date by the Comprehensive Nuclear-Test-Ban Treaty Organization formally concludes this week.

When things go wrong
Modern society's extraordinary preoccupation with accidents is also a preoccupation of UC Santa Barbara's Greg Siegel and is at the heart of a new book that examines a centuries-old cultural and scientific fascination: the need to explain the often unexplainable. 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