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Science News for February 15, 2011


Alfred P. Sloan Foundation honors promising young scholars

The Alfred P. Sloan Foundation has selected 118 outstanding researchers as recipients of the prestigious Sloan Research Fellowships for 2011. These early-career scientists and scholars will receive $50,000 fellowships to support their original research in various fields.

SourceAlfred P. Sloan Foundation·DateFeb 15, 2011

Got a goal?: A helpful partner isn't always helpful

A new study in Psychological Science reports that thinking about a partner's support for goals can decrease motivation and increase procrastination. However, this phenomenon, known as self-regulatory outsourcing, can also lead to positive relationship outcomes if done consciously.

SourceAssociation for Psychological Science·JournalPsychological Science·DateFeb 15, 2011

Study finds racial disparities in hospital readmission rates

A study found that elderly Medicare black patients have higher 30-day hospital readmission rates for conditions like congestive heart failure and pneumonia compared to white patients. The disparities are related to hospitals that disproportionately care for black patients, suggesting a systemic issue with the healthcare system.

SourceJAMA Network·JournalJAMA·DateFeb 15, 2011
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Safety of biologic treatment for arthritis depends on the drug

A systematic review found that biologic drugs used to treat arthritis may have rare but serious side effects, including increased risk of infections and cancer. The study analyzed data from 163 studies involving over 50,000 patients, highlighting the importance of comparative safety research.

SourceWiley·JournalCochrane Database of Systematic Reviews·DateFeb 15, 2011

Government mashups -- better contact with public authorities

The Fraunhofer Institute's Government Mashups research project utilizes mobile applications and GPS coordinates to facilitate the reporting of problems, such as potholes, to government departments. This allows for real-time tracking of communications and identification of duplicate reports, streamlining issue resolution.

SourceFraunhofer-Gesellschaft·DateFeb 15, 2011

The New York Academy of Sciences launches Pathways to Science

The NYAS K-12 Science Education Initiative expands with Pathways to Science, providing curated science resources, online events, and community forums. The platform aims to improve science education in NYC by connecting teachers, students, and working scientists.

SourceNew York Academy of Sciences·DateFeb 15, 2011

Uncovering the genome secrets of the Blackleg fungus

Researchers have sequenced the genome of the Blackleg fungus, revealing unique compartmentalisation and genetic diversity that enables it to cause devastating disease in canola crops. This discovery will aid in developing molecular markers to predict disease outbreaks and inform crop protection strategies.

SourceUniversity of Melbourne·JournalNature Communications·DateFeb 15, 2011
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.

Zinc reduces the burden of the common cold

A systematic review published in The Cochrane Library found that zinc supplements reduce the severity and duration of illness caused by the common cold. Zinc syrup, lozenges or tablets taken within a day of symptom onset reduced symptoms severity and length of illness.

SourceWiley·JournalCochrane Database of Systematic Reviews·DateFeb 15, 2011

Macho muscle cells force their way to fusion

Muscle cell fusion is a previously thought to be mutually consented event, but research reveals it's actually an invasive battle where one cell forces the other using finger-like projections.

SourceJohns Hopkins Medicine·JournalJournal of Cell Biology·DateFeb 15, 2011

Analysis of violent deaths of Iraqi civilians between 2003-2008

A study analyzing Iraqi civilian deaths between 2003-2008 found that unknown perpetrators inflicted most of the violence, including extrajudicial executions and suicide bombs. The 'Dirty War Index' highlights the impact on vulnerable subgroups like women and children.

SourcePLOS·JournalPLOS Medicine·DateFeb 15, 2011

NIH-funded study finds new possible risk factor of heart disease

A new study suggests that abnormal heart rate turbulence may be a significant risk factor for heart disease death, even among those considered low-risk. Abnormal heart rate turbulence was found to be an even stronger predictor of heart disease death than elevated C-reactive protein levels in this population.

SourceNIH/National Heart, Lung and Blood Institute·JournalJournal of Cardiovascular Electrophysiology·DateFeb 15, 2011

A mental retardation gene provides insights into brain formation

Scientists at Duke University Medical Center have identified a gene that governs how neurons form new connections. Without this gene, mice showed difficulty learning and didn't display typical memory ability. The study provides clues to memory and learning, potentially offering opportunities for early intervention after birth.

SourceDuke University Medical Center·DateFeb 15, 2011
Apple iPhone 17 Pro

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

Atomic model of tropomyosin bound to actin

The study provides the first detailed atomic model of tropomyosin bound to actin, significantly advancing our understanding of this key cellular protein. The researchers found that the interaction between tropomyosin and actin is weak enough that it can be readily perturbed by regulatory proteins, acting as a molecular switch.

SourceCell Press·JournalBiophysical Journal·DateFeb 15, 2011

Calorie labeling has no effect on teenagers' or parents' food purchases

A new study found that calorie labeling had a minimal impact on the purchasing behavior of teenagers and their parents at fast-food restaurants. While teens noticed calorie information at the same rate as adults, they responded at a lower rate, with only 9% reporting it influenced their choices.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalInternational Journal of Obesity·DateFeb 15, 2011

New material provides 25 percent greater thermoelectric conversion efficiency

Researchers at Ames Laboratory developed a new alloy that converts heat into electrical energy with improved efficiency, paving the way for applications in vehicles, power generation, and recycling waste heat. The breakthrough uses rare-earth elements cerium or ytterbium to enhance thermoelectric properties.

SourceDOE/Ames National Laboratory·JournalAdvanced Functional Materials·DateFeb 15, 2011

Astronomers identify thick disc of older stars in nearby Andromeda galaxy

Researchers have discovered a thick stellar disc in the Andromeda galaxy, composed of older stars with distinct chemical and orbital properties. This finding sheds light on the formation and evolution of spiral galaxies like our own Milky Way.

SourceUniversity of California - Los Angeles·JournalMonthly Notices of the Royal Astronomical Society·DateFeb 15, 2011

Engineer develops new approach for uncertainty estimation, wins award

A new method has been developed to estimate uncertainty in particle image velocimetry, a widely used technique in fluid mechanics. The approach allows for more accurate results and increased reliability in flow measurements, with potential applications in fields such as aerodynamics, hydrodynamics, and biomedical research.

SourceVirginia Tech·DateFeb 15, 2011
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

2 new plants discovered in Spain

Researchers have discovered two new plant species, Taraxacum decastroi and Taraxacum lacianense, which join over 50 other species within the Taraxacum genus on the Iberian Peninsula. The discovery confirms Spain's position as a hotbed of biodiversity.

SourceSpanish Foundation for Science and Technology·JournalAnnales Botanici Fennici·DateFeb 15, 2011

Study finds blacks more likely to be readmitted to hospitals after discharge

Elderly black patients are more likely to be readmitted to the hospital after a prior hospital stay for heart attack, heart failure, or pneumonia. The study found that racial disparities in health care and hospital care contribute to higher readmission rates among black patients.

SourceHarvard T.H. Chan School of Public Health·JournalJournal of the American Medical Association·DateFeb 15, 2011

Hearing loss and dementia linked in study

Seniors with hearing loss are more likely to develop dementia over time than those with normal hearing. The study found a significant link between the two conditions, with the risk of developing dementia increasing by twofold, threefold, and fivefold for individuals with mild, moderate, and severe hearing loss.

SourceJohns Hopkins Medicine·JournalArchives of Neurology·DateFeb 15, 2011
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.

Overabundance of protein expands breast cancer stem cells

Researchers at UT MD Anderson Cancer Center discovered that overproduction of the EZH2 protein promotes growth of breast cancer stem cells. The team also identified two drugs that block the molecular events leading to breast tumor-initiating cell formation, which drives cancer progression.

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalCancer Cell·DateFeb 15, 2011

US Secret Service moves Tiny Town to Virtual Tiny Town

The US Secret Service is now using a virtual training environment called Virtual Tiny Town to prepare agents for real-life incidents. The new platform combines gaming technology and 3D modeling to simulate site security plans, allowing students to practice responding to scenarios such as chemical releases and suicide bombers.

SourceUS Department of Homeland Security - Science and Technology·DateFeb 15, 2011

Intravaginal practices are associated with acquiring HIV infection

A meta-analysis of 13 studies found that using cloth or paper to clean the vagina and intravaginal cleaning with soap increase the risk of HIV infection. The study also linked these practices to bacterial vaginosis and disrupted vaginal flora, which can lead to increased susceptibility to HIV.

SourcePLOS·JournalPLOS Medicine·DateFeb 15, 2011
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Sentries in the garden shed

Researchers have engineered plants to serve as sentinels for detecting pollutants and explosives, using a computer-designed detection trait that can be modified to function in various plant species. The system allows for fast and remote detection of threats, with visible changes appearing within days.

SourceUS Department of Homeland Security - Science and Technology·JournalPLOS ONE·DateFeb 15, 2011

Method of DNA repair linked to higher likelihood of genetic mutation

A recent study published in PLOS Biology reveals that Break-induced Replication (BIR) is up to 2,800 times more likely to cause genetic mutations than normal DNA synthesis. The researchers found that this method of DNA repair can lead to sudden bursts of mutagenesis, increasing the risk of cancerous cell development.

SourcePLOS·JournalPLOS Biology·DateFeb 15, 2011
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.

New study finds no cognitive impairment among ecstasy users

A large-scale study has found that ecstasy users show no signs of cognitive impairment attributable to drug use. The research, funded by $1.8 million from the National Institute on Drug Abuse, aimed to minimize methodological limitations of earlier studies and compared 52 ecstasy users with 59 non-users.

SourceWiley·JournalAddiction·DateFeb 15, 2011

NASA Satellite sees two 'tropical fists' threatening Australia

Two low-pressure areas, System 99S and System 97S, are developing near the Northern Territory and Western Australia, posing a threat to the region. These tropical systems have consolidated convection patterns and are expected to bring strong winds and heavy rainfall to coastal areas.

SourceNASA/Goddard Space Flight Center·DateFeb 15, 2011

'Healthy' patients at high risk of cardiac death identified

Researchers found that an abnormal response to early heartbeats can predict cardiac death in healthy-looking individuals. Those with no conventional markers of cardiovascular disease were eight times more likely to die from cardiac causes if they had abnormal heart rate turbulence.

SourceWashU Medicine·JournalJournal of Cardiovascular Electrophysiology·DateFeb 15, 2011
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Why problem drinking during adolescence is never a 'phase'

A new study confirms the Rutgers Alcohol Problem Index (RAPI) is predictive of later diagnoses of alcoholism in young adulthood. Adolescent RAPI scores were associated with a higher likelihood of alcohol dependence seven years later, especially in females.

SourceAlcoholism: Clinical & Experimental Research·DateFeb 15, 2011
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.

Jefferson researchers provide genetic evidence that antioxidants can help treat cancer

Researchers have found that antioxidants can help prevent and treat breast cancer by targeting mitochondrial oxidative stress. The study, published in Cancer Biology & Therapy, used a genetically tractable model to show that loss of the tumor suppressor protein Caveolin-1 leads to increased oxidative stress, which fuels cancer cell gro...

SourceThomas Jefferson University·JournalCancer Biology & Therapy·DateFeb 15, 2011
CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Peer support offers promise for reducing depression symptoms

A new study by the VA Ann Arbor Healthcare System and University of Michigan Health System found that peer support programs reduce symptoms of depression better than traditional care alone. These programs, which involve patients and volunteers sharing information, were also as effective as cognitive behavioral therapy.

SourceMichigan Medicine - University of Michigan·JournalGeneral Hospital Psychiatry·DateFeb 15, 2011

Designing new molecular tools to study the life and death of a cancer cell

Research team designed synthetic molecules to study proline residue's role in cancer cell apoptosis by XIAP protein. The results suggest that these tetrapeptide analogs can be further developed into new molecular tools to analyze protein-protein interactions and signal transduction pathways of XIAP in cancer cells.

SourceSociety for Experimental Biology and Medicine·JournalExperimental Biology and Medicine·DateFeb 15, 2011
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.

Study compares balanced propofol sedation with conventional sedation for therapeutic GI endoscopic procedures

A study compared balanced propofol sedation with conventional sedation for therapeutic GI endoscopic procedures, finding higher health care provider satisfaction and better patient cooperation in the BPS group. The results show that BPS provided similar adverse event profiles to conventional sedation.

SourceAmerican Society for Gastrointestinal Endoscopy·JournalGastrointestinal Endoscopy·DateFeb 15, 2011

NYU Langone Department of Orthopaedic Surgery chosen to participate in joint replacement registry

The NYU Langone Department of Orthopaedic Surgery has been selected to participate in the American Joint Replacement Registry (AJRR), aiming to collect key joint replacement and revision data to monitor device performance and identify best practices. The registry's participation is expected to improve long-term outcomes, cost managemen...

SourceNYU Langone Health / NYU Grossman School of Medicine·DateFeb 15, 2011

2 in 1: Multi-tasking protein provides new approaches for anti-tuberculosis drugs

Scientists at EMBL identified a multi-tasking protein PriA from Mycobacterium tuberculosis that catalyzes reactions on two different molecules. This finding presents new opportunities for developing organism-specific drugs, targeting the pathogen but leaving other beneficial microorganisms untouched.

SourceEuropean Molecular Biology Laboratory·JournalProceedings of the National Academy of Sciences·DateFeb 15, 2011
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.

How do women fend off domestic violence?

A Concordia University study finds that wealth is not a guaranteed escape from an abusive relationship, but rather one of many factors that can help a woman resist violence. The research also highlights the importance of women's negotiation tactics and challenging societal authority to create effective resistance.

SourceConcordia University·JournalReview of Radical Political Economics·DateFeb 15, 2011

Using chlorhexidine gluconate baths to reduce hospital-acquired infections

A new study from Rhode Island Hospital found a 64 percent decrease in the risk of acquiring an infection from MRSA or VRE when using two percent chlorhexidine gluconate cloths for daily bathing. The study suggests that CHG bathing may be a beneficial infection control intervention for patients outside of ICU settings.

SourceLifespan·JournalInfection Control and Hospital Epidemiology·DateFeb 15, 2011

Obesity and knee osteoarthritis shorten healthy years of life

A study published in Annals of Internal Medicine found that obesity and knee osteoarthritis result in the loss of approximately 86 million healthy years of life among US adults aged 50-84. This loss disproportionately affects Black and Hispanic women, highlighting the need for targeted interventions to address these conditions.

SourceBrigham and Women's Hospital·JournalArchives of Internal Medicine·DateFeb 15, 2011

Potential treatment for Chikungunya discovered by Vivalis and A*STAR's SIgN

Researchers at Singapore Immunology Network (SIgN) and VIVALIS have developed two fully human monoclonal antibodies that can neutralize several Chikungunya strains. These antibodies, generated using VIVALIS' Humalex platform, show promise as a potential treatment for the disease.

SourceAgency for Science, Technology and Research (A*STAR), Singapore·JournalThe Journal of Immunology·DateFeb 15, 2011
Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Ion-exchange water softeners do not improve eczema in children

A study by Kim Thomas and colleagues found that ion-exchange water softeners do not improve eczema severity scores or symptoms, such as sleep loss and itchiness, in children with moderate to severe eczema. However, parents reported small health benefits and over 50% chose to install a water softener due to perceived improvements.

SourcePLOS·JournalPLOS Medicine·DateFeb 15, 2011

Unique new probe of proton spin structure at RHIC

Researchers directly measure proton spin contributions from different flavored quarks for the first time. The study suggests that gluons contribute less than expected, leaving the source of spin still unknown.

SourceDOE/Brookhaven National Laboratory·JournalPhysical Review Letters·DateFeb 15, 2011

The lock shapes the key

Scientists at TUM have developed a novel method to observe hydrogen bond formation in protein binding processes. Their model system showed that protein recognition takes place via hydrophobic interaction of the S-protein with two spatially clearly defined areas of the unstructured S-peptide.

SourceTechnical University of Munich (TUM)·JournalProceedings of the National Academy of Sciences·DateFeb 15, 2011
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.

Study: Native Hawaiians at higher risk of hemorrhagic stroke at younger age

A new study has found that Native Hawaiians are at a higher risk of hemorrhagic stroke at a younger age compared to other ethnicities. The study, which analyzed data from 573 people hospitalized for intracerebral hemorrhage, also showed that more Native Hawaiians had diabetes, with 35% vs 21% in other racial groups.

SourceAmerican Academy of Neurology·JournalNeurology·DateFeb 15, 2011

Therapy for depression can be delivered effectively by non-specialists

A new study by Durham University shows that patients with severe depression can be treated successfully with behavioural activation, a psychotherapy for depression, by non-specialist mental health staff. The research suggests that this approach could lead to cost-savings for the NHS and alleviate the shortage of specialist therapists.

SourceDurham University·JournalThe British Journal of Psychiatry·DateFeb 15, 2011