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Science News for February 4, 2014


The eyes have it

A study published in Biology Letters reveals that jackdaw eyes are used as a means of communication between members of the same species, helping them defend their nests and chicks from competitors. The research suggests that the bright eyes may be an adaptive trait unique to jackdaws.

SourceUniversity of Cambridge·JournalBiology Letters·DateFeb 4, 2014

Mind over matter: Beating pain and painkillers

Researchers at University of Utah developed Mindfulness-Oriented Recovery Enhancement, reducing opioid misuse and pain-related impairment in chronic pain patients. The new treatment combines mindfulness training, reappraisal, and savoring to address underlying processes involved in chronic pain and opioid misuse.

SourceUniversity of Utah·JournalJournal of Consulting and Clinical Psychology·DateFeb 4, 2014

Stopping liver failure from painkiller overdose

University of Adelaide researchers have identified a crucial mechanism that can prevent liver failure resulting from excessive paracetamol consumption. By targeting the transient receptor potential melanostatine-2 (TRPM2) channel, they hope to develop new treatments for paracetamol overdose and potentially other liver-damaging poisonings.

SourceUniversity of Adelaide·JournalProceedings of the National Academy of Sciences·DateFeb 4, 2014

Are you big pharma's new target market?

A study from Concordia University's John Molson School of Business found that prescription drug brand personality has two distinct dimensions: competence and innovativeness. Consumers prefer overall competence, while innovativeness is associated with uniqueness and originality.

SourceConcordia University·JournalJournal of Consumer Marketing·DateFeb 4, 2014

Price Family Foundation funds research collaboration between Albert Einstein College of Medicine and University of Oklahoma

The Price Family Foundation has awarded a $3 million grant to Albert Einstein College of Medicine and the University of Oklahoma to investigate the structural biology of anaerobic microorganisms, with a focus on combating C. difficile infections. The joint project aims to find better treatments for these life-threatening infections.

Immune cells need a second opinion

Researchers at the University of Bonn have decoded a new immunoregulatory mechanism controlling defense in urinary tract infections. The mechanism involves two types of macrophages regulating neutrophils, with sentinel macrophages triggering an alarm and helper macrophages providing a safety mechanism to prevent collateral damage.

SourceUniversity of Bonn·JournalCell·DateFeb 4, 2014

Tricks of the trade: Study suggests how freelancers can land more jobs

A study by UC Berkeley's Haas School of Business suggests that freelancers who exhibit movement in their past history, taking on similar jobs, are more likely to get hired. The findings aim to better understand the dynamics of virtual labor markets and prepare freelancers to demonstrate their credibility to employers.

SourceUniversity of California - Berkeley Haas School of Business·JournalAmerican Sociological Review·DateFeb 4, 2014

A healthy balance

Scientists at the University of Veterinary Medicine in Vienna have created a model to investigate the role of STAT1 in various disease conditions. The genetically modified mice can produce an exact dose of protein, enabling researchers to examine the origins and course of many diseases.

Largest evolutionary study of sponges sheds new light on animal evolution

The largest sequencing study to date reveals most higher animal genes are present in all sponge groups, challenging previous thought of complex structures being absent. The study provides a framework for posing new hypotheses on determining gene function in sponges and the evolution of animal complexity.

New study shows core factors and strategies to turn primary care practices into PCMHs

A new study by Joslin Diabetes Center identified three core factors and thirteen strategies to increase buy-in from practice teams in transitioning to Patient-Centered Medical Homes (PCMHs). The findings emphasize the importance of effective communication, resource utilization, team environment, defined work roles, and targeted resources.

SourceJoslin Diabetes Center·JournalThe Annals of Family Medicine·DateFeb 4, 2014

For athletes, there's no place like home

A recent study reviews existing research on sports competition and concludes that playing at home can have a significant psychological impact on athletes, with findings including increased testosterone levels and higher cortisol stress hormone levels. However, the exact mechanisms behind this phenomenon are still unclear.

SourceAssociation for Psychological Science·JournalCurrent Directions in Psychological Science·DateFeb 4, 2014

First live births with a novel simplified IVF procedure

A novel simplified IVF procedure has been shown to achieve similar fertilization and implantation rates as conventional methods, enabling more affordable access to IVF for a larger global population. The study results in 16 successful live births using the new method, with potential to reduce laboratory costs.

SourceElsevier·JournalReproductive BioMedicine Online·DateFeb 4, 2014

The case for tele-emergency services

A new study supports tele-emergency services in extending emergency care to rural areas. The research found that 95% of respondents felt tele-emergency improved the quality of care at their facility, with benefits including second opinions and adherence to evidence-based protocols.

SourceUniversity of Iowa·JournalHealth Affairs·DateFeb 4, 2014

AGU journal highlights -- Feb. 4, 2014

Research suggests that subarctic lakes are sensitive to changes in snowmelt, with many at risk of drying out due to climate change. Additionally, scientists have found that seafloor sites could potentially store centuries' worth of carbon emissions through industrial-scale carbon capture and storage programs.

SourceAmerican Geophysical Union·JournalGeophysical Research Letters·DateFeb 4, 2014

Do you have a sweet tooth? Honeybees have a sweet claw

A recent study reveals the unique way honeybees process information from both front tarsi to decide whether to feed, highlighting the importance of their sense of taste in finding nectar and pollen. The sensitivity of their claws and tarsomeres plays a crucial role in detecting sweet and salty substances.

SourceFrontiers·JournalFrontiers in Behavioral Neuroscience·DateFeb 4, 2014

Time to stub out misguided e-cigarette regulation

Regulatory efforts aimed at e-cigarettes have been misguided, leading to unintended consequences for public health. Experts propose evidence-based guidelines that prioritize good manufacturing practices, child-proof caps, and clear labeling, while acknowledging the availability of existing EU legislation to address safety issues.

SourceSAGE·JournalTherapeutic Advances in Chronic Disease·DateFeb 4, 2014

Most teen workers spend, not save

A new study of 49,000 high school seniors found that most spend their earnings on clothes, music, and entertainment, with males spending more on cars. Despite this, college savers tend to have better grades and lower substance use, but still face negative effects from long working hours.

Taking statins to lower cholesterol? New guidelines

The new cholesterol guidelines suggest that caregivers prescribe statins to healthy patients if their 10-year cardiovascular risk is 7.5 percent or higher. A decision-making tool can help patients and clinicians weigh the benefits and harms of treatment, making a personalized choice based on individual values and context.

SourceMayo Clinic·JournalJAMA·DateFeb 4, 2014

Finding the hidden zombie in your network

Researchers developed a lightweight detection system using the hidden semi-Markov model to identify malware-infected computers. The approach can model normal behavior and highlight deviations caused by malware, making it easier to detect botnets in real-time.

SourceInderscience Publishers·JournalInternational Journal of Electronic Security and Digital Forensics·DateFeb 4, 2014

Herbicides may not be sole cause of declining plant diversity

Researchers found that rare and common plant species had similar tolerances to widely used herbicides, suggesting a lack of persistent effects on plant communities. The study highlights the need for alternative strategies, such as preserving farmland habitats, in plant conservation efforts.

SourcePenn State·JournalEnvironmental Toxicology and Chemistry·DateFeb 4, 2014

Heart disease warning at age 18

A large national study found that elevated blood pressure as young as age 18 is a warning sign of cardiovascular disease developing later in life. The study identified distinct blood pressure patterns from ages 18 to 55 that reveal people at high risk for calcification of coronary arteries, a marker for heart disease.

SourceNorthwestern University·JournalJAMA·DateFeb 4, 2014

It's the water

Researchers have developed a graphene water balloon to visualize hydrated protein molecules without freezing or slicing them. This technique allows for the capture of high-resolution images of ferritin, a protein critical for human health, which may lead to new treatments for diseases like Alzheimer's and cancer.

SourceMichigan Technological University·JournalAdvanced Materials·DateFeb 4, 2014

Helicopters save lives

A study published in the Canadian Journal of Surgery found that helicopter transport significantly improves survival rates for trauma patients with severe injuries, reducing mortality rates compared to ground ambulance transport. The researchers attributed this improved outcome to advanced monitoring and equipment available in air ambu...

SourceCanadian Journal of Surgery·JournalCanadian Journal of Surgery·DateFeb 4, 2014

For viewers, Sochi will be first 'fully mobile' Olympics

The Sochi Winter Olympics are expected to be the first 'fully mobile' Olympics due to increased web and mobile viewing. However, traditional TV viewing is enhanced by social media usage, according to a new study. The Olympics attract diverse audiences and offer a unique experience that balances sports and social aspects.

SourceUniversity of Akron·JournalMass Communication & Society·DateFeb 4, 2014

Is institutional racism happening in our hospitals?

An expert argues that allowing patients to choose the ethnicity of their attending doctors perpetuates institutional racism in hospitals. Dr Nadeem Moghal suggests that confronting racists and strengthening institution policies are key to preventing such incidents.

SourceBMJ Group·JournalThe BMJ·DateFeb 4, 2014

Faces we don't forget

Psychologists at the University of Jena discovered that attractive faces without distinctive features are less memorable. In a study published in Neuropsychologia, researchers found that test subjects were more likely to remember unattractive faces than attractive ones when the latter lacked notable traits.

SourceFriedrich-Schiller-Universitaet Jena·JournalNeuropsychologia·DateFeb 4, 2014

Study finds high Rx burden for bipolar patients

A study of 230 bipolar I disorder patients found that nearly a third were taking four or more psychiatric medications, with an average of six different drugs. Women were significantly more likely to experience complex polypharmacy, taking 68% of these high medication burden cases.

SourceBrown University·JournalPsychiatry Research·DateFeb 4, 2014

Predicting cardiovascular events in sleep apnea

A large cohort study found that time spent with oxygen saturation below 90%, sleep time, number of awakenings, and periodic leg movements are associated with cardiovascular disease. The researchers developed a nomogram to predict CVD risk based on sleep study scores, but it requires validation.

SourcePLOS·JournalPLOS Medicine·DateFeb 4, 2014

Sucker-footed fossils broaden the bat map

Fossilized jawbones and teeth from northern Egypt confirm the existence of a primitive lineage of bats, which eventually spread to South America. The discovery sheds light on the evolutionary history of sucker-footed bats, which roost head-up using wet adhesion.

SourceDuke University·JournalPLOS ONE·DateFeb 4, 2014