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Science News for December 14, 2012


'House hunters walrus'

A University of Delaware research team has developed a novel camera system to map the surface topography of Arctic sea ice, enabling accurate habitat classification for threatened walruses. The system uses areas of higher competence to interpolate lower-confidence areas, resulting in dense 3-D reconstructions with precision accuracy wi...

SourceUniversity of Delaware·DateDec 14, 2012
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Low adiponcetin associated with increased pancreatic cancer risk

Researchers found an inverse association between low adiponectin plasma levels and the risk of pancreatic cancer. The study suggests that metabolism plays a role in the pathophysiology of pancreatic cancer, potentially leading to improved survival rates with early detection and therapeutic interventions.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateDec 14, 2012

Doing the right thing when things go wrong

A new study suggests that the University of Michigan Health System's (UMHS) approach to medical errors, known as the "Michigan Model," has helped reduce malpractice claims and costs. The model focuses on compensating patients quickly and fairly, supporting clinical staff, and reducing patient injuries by learning from experiences.

SourceMichigan Medicine - University of Michigan·JournalMilbank Quarterly·DateDec 14, 2012

The HER2 paradox: HER2-positive stem cells found in HER2-negative breast cancer

Researchers discovered HER2-positive breast cancer stem cells in previously thought HER2-negative tumors, making these cells resistant to traditional treatments. The findings suggest that targeted therapies can effectively treat HER2-negative breast cancers, while also providing a new diagnostic tool.

SourceUniversity of California - Davis Health·JournalClinical Cancer Research·DateDec 14, 2012
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

In decision-making, it might be worth trusting your gut

A new study published in Organizational Behavior and Human Decision Processes found that experts are more effective when making intuitive decisions, especially in tasks with less structure. In two studies, researchers compared expert and non-expert participants on basketball shot difficulty and designer handbag authenticity tasks. Resu...

SourceRice University·JournalOrganizational Behavior and Human Decision Processes·DateDec 14, 2012

New findings on killer bacteria's defence

Researchers at Lund University discovered that antibodies in the immune system can be turned around by certain bacteria, affecting their recognition and neutralization. The study shows that this phenomenon varies depending on the severity of the infection, with more serious diseases having the correct antibody orientation.

SourceLund University·JournalJournal of Experimental Medicine·DateDec 14, 2012
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Research explores how children reason, think about others

New studies published in Psychological Science found that young children can pass nonverbal versions of false-belief tasks, suggesting they are able to track the protagonist's perspective. Additionally, research showed that early executive-function skills and vocabulary knowledge predict analytical reasoning skills at age 15.

SourceAssociation for Psychological Science·JournalPsychological Science·DateDec 14, 2012

Study questions reasons for routine pelvic exams

A nationwide survey of obstetricians and gynecologists found that many doctors perform routine pelvic exams in low-risk women due to misconceptions about ovarian cancer screening. The study suggests that the exams may be performed for non-clinical reasons, such as reassurance or expectation, rather than medical necessity.

SourceUniversity of California - San Francisco·JournalAmerican Journal of Obstetrics and Gynecology·DateDec 14, 2012

UCSB physicists make strides in understanding quantum entanglement

Researchers have made significant progress in studying quantum entanglement, a phenomenon where electron spins are connected. By calculating the extreme version of entanglement, they found a way to predict this characteristic and expect it to benefit fields like information technology.

SourceUniversity of California - Santa Barbara·JournalNature Physics·DateDec 14, 2012
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Male bushcrickets are in charge when it comes to sex

A study by Bielefeld biologists found that male bushcrickets determine the timing of sperm transfer, even when they have 'hopped off' after mating. The researchers suggest that females can influence fertilization by consuming a protein-rich mass, but males control the overall process.

SourceBielefeld University·JournalBehavioral Ecology and Sociobiology·DateDec 14, 2012

American Chemical Society to honor UT Arlington chemist

Kevin Schug, a UT Arlington associate professor, will be recognized for his outstanding contributions to analytical chemistry with the American Chemical Society Division of Analytical Chemistry Award for Young Investigators in Separation Science. His work focuses on developing increased throughput mass spectrometry methods and ultra-tr...

SourceUniversity of Texas at Arlington·DateDec 14, 2012

NASA awards $36 million to UMD for earth systems study

The University of Maryland will continue its five-year cooperative study with NASA's Earth Sciences Division to study the impacts of the Earth's connected systems on global and regional environments. Research focuses on predicting future impacts, improving drought monitoring, and analyzing satellite observations for ground-level air po...

SourceUniversity of Maryland·DateDec 14, 2012
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Fertile soil doesn't fall from the sky

Researchers found that 40% of microbial biomass is converted to organic soil components, contradicting the long-held view that plant material is the primary source. The study discovered that bacterial cell wall fragments contribute significantly to soil fertility and carbon storage.

SourceHelmholtz Association·JournalBiogeochemistry·DateDec 14, 2012

1 in 10 6- to 8-year-olds has sleep-disordered breathing

Approximately ten percent of 6 year olds have sleep-disordered breathing, with certain craniofacial morphology traits increasing the risk. Early intervention and diagnosis can prevent progression of the disease.

SourceUniversity of Eastern Finland·JournalEuropean Journal of Pediatrics·DateDec 14, 2012

Use 'em, don't lose 'em! Eating egg yolks adds nutritious benefits

A recent study suggests that consuming whole eggs can improve lipid profiles in individuals with metabolic syndrome, reducing triglycerides and increasing HDL cholesterol levels. Egg yolks are also a rich source of antioxidants and nutrients like vitamin D, choline, and lutein.

SourceEdelman Public Relations, New York·JournalMetabolism·DateDec 14, 2012
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Ibrutinib has 'unprecedented' impact on mantle cell lymphoma

A Phase 2 clinical trial of ibrutinib in relapsed or refractory mantle cell lymphoma reported a 68% overall response rate and 22% complete remission rate, with few side effects. The drug's efficacy was consistent across different patient populations, making it a promising treatment option for patients with this aggressive disease.

SourceUniversity of Texas M. D. Anderson Cancer Center·DateDec 14, 2012
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Improved techniques may help recovery and prevent incidents of missing drivers with dementia

A new study suggests that rapid law enforcement notification and detailed public information can improve recovery rates for drivers with dementia. The research team recommends that Silver Alert-type programs prioritize the cognitive status of drivers and provide more detailed information to facilitate rescue efforts.

SourceUniversity of South Florida (USF Health)·JournalJournal of the American Geriatrics Society·DateDec 14, 2012

Carriers of gene variant appear less likely to develop heart disease

Researchers found a link between a specific gene variant and lower triglyceride levels, as well as higher HDL cholesterol. Carriers of the variant tend to have lower risk of cardiovascular disease, particularly when consuming more polyunsaturated fat.

SourceTufts University, Health Sciences Campus·JournalAmerican Journal of Human Genetics·DateDec 14, 2012

Dreidel-like dislocations lead to remarkable properties

Theoretical physicists at Rice University have predicted the formation of conductive sub-nanometer 'wires' in two-dimensional materials, which could lead to advanced electronics. The discovery was made by investigating atomic-scale properties and topological defects in semiconductors.

SourceRice University·JournalNano Letters·DateDec 14, 2012

Schizophrenia linked to social inequality

A study published in Schizophrenia Bulletin found that higher rates of schizophrenia are associated with increased deprivation, population density, and inequality in urban neighborhoods. The research suggests that more equal societies may experience lower rates of serious mental illness.

SourceUniversity of Cambridge·JournalSchizophrenia Bulletin·DateDec 14, 2012
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

NSF-funded inventory of mega-diverse insect order now underway

A 44-member international team is conducting a comprehensive survey of fly species in a tropical cloud forest in eastern Costa Rica. The project aims to identify at least 3,000 new species and contribute to understanding complex ecosystems and conservation efforts.

SourceNatural History Museum of Los Angeles County·DateDec 14, 2012

Changes in the gut bacteria protect against stroke

Researchers found altered gut microbiota in healthy subjects compared to stroke patients, with increased carotenoid-producing genes and higher blood levels. The study suggests a potential role for probiotics in preventing cardiovascular disease.

SourceUniversity of Gothenburg·JournalNature·DateDec 14, 2012

Fungus responsible for 5 deaths in the wake of massive tornado

A fast-growing flesh-eating fungus, Apophysomyces, killed five people after a massive tornado devastated Joplin, Missouri. The fungus, usually harmless, can cause severe infections if not treated immediately, leading to rapid tissue destruction and organ failure.

SourceThe Translational Genomics Research Institute·JournalNew England Journal of Medicine·DateDec 14, 2012

The mu opioid receptor genotype may be a marker for those who drink for alcohol's rewarding effects

A new study reveals that the mu opioid receptor genotype is associated with the pleasant and stimulating effects of alcohol, but not its sedative effects. Individuals with a specific mutation in this gene respond more strongly to alcohol's rewarding effects, which may help predict their risk of developing an alcohol use disorder.

SourceAlcoholism: Clinical & Experimental Research·DateDec 14, 2012
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

High-tech cerebral palsy research at SDSU

Researchers at SDSU are analyzing the interaction between facial movements and speech-language development in children with cerebral palsy. They are using motion capture technology to collect data on mouth movements, which can help create more effective speech therapy techniques.

SourceSan Diego State University·DateDec 14, 2012

Pitt Cancer Institute finds new targets for drugs to defeat aggressive brain tumor

Pitt Cancer Institute researchers have identified over 125 genetic components in a chemotherapy-resistant, brain tumor-derived cell line that could offer new hope for drug treatment to destroy cancer cells. The findings may lead to the development of adjuvant chemotherapy drugs that will improve patient survival rates.

SourceUniversity of Pittsburgh Schools of the Health Sciences·JournalMolecular Cancer Research·DateDec 14, 2012

Physical constant passes the alcohol test

Scientists measured methanol molecule's radio spectrum in a distant galaxy, finding minimal change in proton-to-electron mass ratio over billions of years. The result confirms fundamental properties of molecules have remained consistent despite universe's evolution.

SourceMax-Planck-Gesellschaft·JournalScience·DateDec 14, 2012

More casinos does not mean more gamblers

A new survey by the University of Iowa found that gambling rates among residents in eastern Iowa have decreased overall, with a rise in non-gamblers and a stabilization in problem gambler numbers. The study suggests that the number of casinos has not led to a corresponding increase in gamblers.

SourceUniversity of Iowa·JournalAnnals of Clinical Psychiatry·DateDec 14, 2012
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

A drug used to treat HIV might defuse deadly staph infections

A new study suggests that maraviroc, an HIV treatment drug, could be effective in treating Staphylococcus aureus infections. The discovery was made through a serendipitous finding and further confirmed using mouse models, showing that blocking CCR5 receptor can help control the infection.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalNature·DateDec 14, 2012

Extending Einstein

Physicists have demonstrated a new type of quantum entanglement using three particles, building on Einstein's original ideas. This experiment may lead to the creation of hybrid quantum systems with multiple unique properties.

SourceUniversity of Calgary·JournalNature Physics·DateDec 14, 2012

Study fuels insight into conversion of wood to bio-oil

Researchers calculate how cellulose in wood decomposes when heated, offering a new mechanism for converting farmed and waste wood into useful bio-oils. The findings could spur more effective and efficient ways of extracting energy from wood.

SourceNorth Carolina State University·JournalThe Journal of Physical Chemistry·DateDec 14, 2012

What mechanism generates our fingers and toes?

A team of researchers led by Drs. Marie Kmita and James Sharpe discovered the Turing-like mechanism responsible for generating human fingers and toes through genetic studies and mathematical modeling. The study reveals that Hox genes play a crucial role in modulating this mechanism, which is essential for proper limb development.

SourceInstitut de recherches cliniques de Montreal·JournalScience·DateDec 14, 2012

Stretchable electronics

Stretchable electronics are being developed to enhance device durability and functionality. Bingqing Wei's research group has made significant progress in creating scalable, stretchable power sources for flexible electronics using carbon nanotube macrofilms, polyurethane membranes and organic electrolytes.

SourceUniversity of Delaware·JournalNano Letters·DateDec 14, 2012
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Raising the blockade

Researchers have elucidated the function of Translation Elongation Factor P (EF-P) during protein synthesis, revealing its role in regulating protein copy numbers in response to changing conditions. EF-P helps stalled ribosomes overcome a specific proline-rich motif, allowing for adjusted protein production.

SourceLudwig-Maximilians-Universität München·JournalScience·DateDec 14, 2012