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Science News for January 30, 2012


Early intervention may curb dangerous college drinking

Researchers found that parent-based and peer-based interventions reduced heavy drinking among non-drinkers and heavy drinkers. The study identified four sub-groups of drinkers, including weekend non-bingers and heavy drinkers, with promising intervention effects.

SourcePenn State·JournalPsychology of Addictive Behaviors·DateJan 30, 2012

Music training has biological impact on aging process

A new study from Northwestern University found that older musicians have a distinct neural timing advantage, encoding sound stimuli as quickly and accurately as younger non-musicians. This suggests that music training can help overcome age-related hearing loss and improve communication in complex environments.

SourceNorthwestern University·JournalNeurobiology of Aging·DateJan 30, 2012
Apple iPhone 17 Pro

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

New appropriate use criteria reflect latest scientific data on restoring blood flow to heart

The updated appropriate use criteria provide detailed guidance on when to use invasive procedures to improve blood flow to the heart. The new criteria affirm the role of revascularization for patients with acute coronary syndromes and significant symptoms, while emphasizing careful selection of high-risk surgery patients for PCI.

SourceAmerican College of Cardiology·JournalJournal of the American College of Cardiology·DateJan 30, 2012

Lumbar disc degeneration more likely in overweight and obese adults

A large study found that overweight and obese adults are more likely to have disc degeneration than those with a normal body mass index. Disc degeneration was associated with an increased number of levels of degenerated disks and greater severity of disc degeneration, including narrowing of the disc space.

SourceWiley·JournalArthritis & Rheumatism·DateJan 30, 2012

Inherited risk factors for childhood leukemia are more common in Hispanic patients

A study by St. Jude Children's Research Hospital found that Hispanic children are more likely to develop acute lymphoblastic leukemia (ALL) and die from the disease due to inherited risk factors, particularly ARID5B gene variants. These variants were found to be up to two times more common in Hispanic children than in white children.

SourceSt. Jude Children's Research Hospital·JournalJournal of Clinical Oncology·DateJan 30, 2012

Genetic breakthrough for brain cancer in children

A Canadian-led research team has identified two genetic mutations responsible for up to 40% of glioblastomas in children, a fatal cancer of the brain. The mutations were found to be involved in DNA regulation, which could explain resistance to traditional treatments and have significant implications on other cancers.

SourceMcGill University Health Centre·JournalNature·DateJan 30, 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.

In lab, Pannexin1 restores tight binding of cells that is lost in cancer

Researchers found that Pannexin1 helps closely pack together tumor cells, forming large multicellular tissues. The protein sets off a chain reaction involving ATP and receptors, ultimately remodeling the actin network to increase forces between cells, driving them to bind more tightly.

SourceBrown University·JournalJournal of Biological Chemistry·DateJan 30, 2012

Construction starts on new marine research vessel

The 93.6-meter vessel will enable advanced atmospheric research and map the seafloor up to six kilometers below the surface. CSIRO will operate the vessel, replacing the 40-year-old Southern Surveyor, and make it available to all Australian marine scientists.

SourceCSIRO Australia·DateJan 30, 2012

Development of the chimpanzee determined by the X factor

Genetic analysis reveals that about a third of changes on the X chromosome have been beneficial for chimpanzees since divergence from humans, while most remain unchanged. This suggests that natural selection works stronger on the X chromosome than other genes.

SourceAarhus University·JournalProceedings of the National Academy of Sciences·DateJan 30, 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.

Mom's love good for child's brain

Research by child psychiatrists and neuroscientists reveals that children with more nurturing mothers have larger hippocampi, a key structure important for learning and memory. The study provides concrete evidence of the powerful effect of early childhood parenting and nurturing on brain development.

SourceWashU Medicine·JournalProceedings of the National Academy of Sciences·DateJan 30, 2012

Many bodies make 1 coherent burst of light

Rice University researchers have successfully observed superfluorescence in a solid-state material, creating a coherent burst of light. The team used high-intensity laser pulses and strong magnetic fields to create the conditions for this phenomenon, which occurs when electron-hole pairs cooperate.

SourceRice University·JournalNature Physics·DateJan 30, 2012

U-M study urges parents to enforce booster seat use when carpooling

A U-M study reveals that many parents fail to enforce booster seat use when carpooling, despite most reporting requiring it in family car rides. Experts stress the importance of using booster seats for every child not fitting properly in an adult seat belt on every trip.

SourceMichigan Medicine - University of Michigan·JournalPEDIATRICS·DateJan 30, 2012

Children with burn injuries covering 60 percent or more of their total body surface area are at substantially higher risk of complications and death and need specialist burns unit care

A new study published in The Lancet found that children with burn injuries covering 60% or more of their total body surface area (TBSA) are at substantially higher risk of severe complications and death. The authors recommend immediate transfer to specialist burns units for treatment with increased vigilance and improved therapies.

SourceThe Lancet_DELETED·JournalThe Lancet·DateJan 30, 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.

UCLA researchers indentify a cell-permeable peptide that inhibits hepatitis C

Researchers at UCLA's Jonsson Comprehensive Cancer Center have identified a cell-permeable peptide that blocks viral replication in liver cancer and cirrhosis. The peptide targets heat shock proteins (HSPs) 40 and 70, which are important factors in hepatitis C virus infection.

SourceUniversity of California - Los Angeles Health Sciences·JournalHepatology·DateJan 30, 2012

Meet the beetles: Social networks provide clues to natural selection

A study of forked fungus beetles reveals that their social positions are related to reproductive success, suggesting that natural selection drives the evolution of social behavior. The researchers found that individual behaviors can influence their position in society, leading to varying levels of mating and reproduction.

SourceUniversity of Virginia·JournalJournal of Evolutionary Biology·DateJan 30, 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.

Scientists see 'sloshing' galaxy cluster

The 'sloshing' motion in the hot gas cloud of Abell 2052 helps redistribute heavy elements and limits star formation, while also affecting the growth of the galaxy's supermassive black hole. The Chandra observations provide insights into the complex interactions within the galaxy cluster.

SourceNaval Research Laboratory·DateJan 30, 2012

Rice professor's nanotube theory confirmed

Air Force Research Laboratory experiment confirms Boris Yakobson's theory that chirality of nanotubes determines their growth speed and armchair nanotubes grow fastest. The study provides a basis for further research into growing specific types of nanotubes with desired properties.

SourceRice University·JournalNature Materials·DateJan 30, 2012

Preserved habitat near national parks helps species conservation

A recent study published in PLoS One suggests that preserving habitat near national parks is crucial for the conservation of large mammals in the Cerrado region. By leaving a significant portion of land adjacent to the park as natural habitat, animals can roam and find suitable habitats outside the protected area.

SourceUniversity of Washington·JournalPLOS ONE·DateJan 30, 2012

Addicts' cravings have different roots in men and women

A new brain imaging study found that stress robustly activates areas of the brain associated with craving in cocaine-dependent women, while drug cues activate similar regions in men. This suggests that men and women with cocaine dependence may benefit from different treatment approaches.

SourceYale University·JournalAmerican Journal of Psychiatry·DateJan 30, 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.

Lungs infected with plague bacteria also become playgrounds for other microbes

Research reveals that pneumonic plague bacteria transform the lungs into a permissive environment for microbial proliferation. Without symptoms, these bacteria grow and reproduce rapidly, leading to rapid disease progression and high mortality rates. This unique ability is exclusive to Yersinia pestis.

SourceUniversity of North Carolina Health Care·JournalProceedings of the National Academy of Sciences·DateJan 30, 2012

Oxygen molecule survives to enormously high pressures

Researchers found oxygen molecules remain stable up to 1.9 terapascals, then polymerize, showing unique electrical conductivity patterns. The molecule's behavior is influenced by its double covalent bond and lone pairs, which repel other molecules and hinder polymerization.

SourceRuhr-University Bochum·JournalPhysical Review Letters·DateJan 30, 2012

Learning-based tourism an opportunity for industry expansion

Research suggests that learning-based tourism is gaining popularity, with travelers seeking intellectually engaging experiences and lifelong learning opportunities. The study highlights the potential for tourism to become more centered on personal fulfillment and knowledge acquisition.

SourceOregon State University·JournalAnnals of Tourism Research·DateJan 30, 2012

Harnessing the predictive power of virtual communities

Scientists have created a propagation-based algorithm to extract both link-density and link-pattern communities from real-life networks. This approach outperforms existing state-of-the-art algorithms in detecting real-life communities, particularly those characterized by internal patterns of similar connectedness.

SourceSpringer·JournalThe European Physical Journal B·DateJan 30, 2012

Detailed picture of how myoV 'walks' along actin tracks

Researchers used single-molecule fluorescence microscopy to visualize myoV molecules walking along actin filaments in real-time. The study found that myoV can take multiple hand-over-hand steps without falling off its track, making it well-suited for intracellular cargo transport.

SourceRockefeller University Press·JournalJournal of General Physiology·DateJan 30, 2012
Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Poisonous morning hygiene

Scientists discover that microalgae produce biogenic cyanogen bromide to control competing organisms in the ocean ground. This toxic chemical helps diatoms grow and thrive by eliminating direct competitors for light and space. Researchers are now investigating why the poison doesn't harm the producing algae themselves.

SourceFriedrich-Schiller-Universitaet Jena·JournalProceedings of the National Academy of Sciences·DateJan 30, 2012

More efforts needed to address motor vehicle deaths among American Indians and Alaska Natives

A systematic review of literature found a significant disparity in motor vehicle-related deaths among American Indian and Alaska Native populations. The study identified multiple risk factors, including rural living, alcohol use, and pedestrian involvement in crashes, but lacking effective interventions to improve pedestrian safety.

SourceJohns Hopkins Bloomberg School of Public Health·JournalEpidemiologic Reviews·DateJan 30, 2012

Study may answer longstanding questions about Little Ice Age

A new international study provides evidence that an unusual episode of four massive tropical volcanic eruptions may have triggered the onset and persistence of Earth's Little Ice Age. The research suggests a subsequent expansion of sea ice and weakening of Atlantic currents best explain the cold summers following the eruptions.

SourceNational Center for Atmospheric Research/University Corporation for Atmospheric Research·JournalGeophysical Research Letters·DateJan 30, 2012

Alcohol and your heart: Friend or foe?

A recent meta-analysis by CAMH found a complex relationship between alcohol consumption and ischaemic heart disease, with varying risks depending on gender, drinking patterns, and overall health outcomes. The study concludes that lower drinking limits for women are needed to inform safe drinking levels.

SourceCentre for Addiction and Mental Health·JournalAddiction·DateJan 30, 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.

Jak of all trades? Not of leukaemia therapy!

Recent study finds that inhibiting JAK2 kinase does not benefit leukaemia patients, but blocking STAT5 signaling can prevent cell proliferation. This discovery challenges the approach to targeting JAK2 in CML treatment.

SourceUniversity of Veterinary Medicine -- Vienna·JournalNature Chemical Biology·DateJan 30, 2012

Researchers rewrite textbook on location of brain's speech processing center

Researchers have rewritten the textbook on the location of the brain's speech processing center, discovering it is located in the left temporal lobe and superior temporal gyrus. The new findings suggest that language originated between monkeys and humans closer than previously thought.

SourceGeorgetown University Medical Center·JournalProceedings of the National Academy of Sciences·DateJan 30, 2012
Meta Quest 3 512GB

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

Cutting off the oxygen supply to serious diseases

Researchers have identified a new family of hypoxic regulator proteins that malfunction when dysregulated, contributing to the progression of serious diseases like cancer. This discovery may lead to the development of novel drug therapeutics to combat cancer and other oxygen-related disorders.

SourceUniversity of Nottingham·JournalNature Cell Biology·DateJan 30, 2012

NASA scientists awarded distinctions as 2012 AGU elected Fellows

Dr. F. Michael Flasar, Dr. Anthony D. Del Genio and Dr. James Slavin recognized for their outstanding contributions to Earth and space sciences. Flasar's work on planetary atmospheres, including Titan's unique atmosphere, was highlighted as fundamental to understanding climate physics.

SourceNASA/Goddard Space Flight Center·DateJan 30, 2012

MS drug prevented fatal heart condition in lab study

A lab study found that Gilenya, an MS treatment, reverses ventricular hypertrophy's symptoms and prevents fatal arrhythmias. Researchers discovered Pak1's role in heart disease and developed a potential new therapy.

SourceUniversity of Manchester·JournalCirculation·DateJan 30, 2012
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Divorce hurts health more at earlier ages

A new study by Michigan State University sociologist Hui Liu found that divorce hurts people's health more at earlier ages. The research journal Social Science & Medicine revealed that older people have more coping skills to deal with the stress of divorce.

SourceMichigan State University·JournalSocial Science & Medicine·DateJan 30, 2012

Defects in the packaging of DNA in malignant brain tumors

Researchers identified genetic alterations affecting proteins known as histones in 48 pediatric glioblastomas, with 36% of cases featuring histone mutations. These mutations, which occur rarely in adult glioblastoma, may hold key to developing new treatments for the most malignant type of brain tumor.

SourceHelmholtz Association·JournalNature·DateJan 30, 2012

ESC cardiologists 'intrigued'by novel approach to heart failure

A study published in the Journal of the American College of Cardiology has shown significant improvements in peak post-ischemic blood flow in the arm and leg, suggesting a potential novel approach to heart failure treatment. However, further exploration is needed due to conflicting data on exercise capacity and inflammatory markers.

SourceEuropean Society of Cardiology·JournalJournal of the American College of Cardiology·DateJan 30, 2012
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Biological time-keeper linked to diabetes

Researchers found 40 rare melatonin receptor mutations that increase diabetes risk nearly sevenfold. The study highlights the importance of genome sequencing in personalizing treatment for diabetic patients.

SourceINSERM (Institut national de la santé et de la recherche médicale)·JournalNature Genetics·DateJan 30, 2012

Running robots

A team of engineers led by Ioannis Poulakakis aims to create robots that can run like animals, enabling them to access areas inaccessible to conventional vehicles. Using biomechanics research, they seek to develop a family of systematic control strategies that work with the robot's natural dynamics.

SourceUniversity of Delaware·DateJan 30, 2012

Inquests more likely for younger people and deaths from medical care complications

A study published in the Canadian Medical Association Journal found that coroners are more likely to hold inquests for childhood deaths and deaths from medical complications. The research analyzed data on over 20,000 deaths in five Australian states and found a significant disparity between publicized and unpublicized inquests.

SourceUniversity of Melbourne·JournalCanadian Medical Association Journal·DateJan 30, 2012

Bright lights of purity

Researchers found that impurities in quantum dots and nanorods lead to poor light emission, but heating them removes impurities, boosting luminescence. This technique enables the synthesis of high-quality nanocrystals for applications like bio-imaging and solar energy.

SourceDOE/Lawrence Berkeley National Laboratory·JournalAngewandte Chemie·DateJan 30, 2012
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

New CU-Boulder-led study may answer questions about enigmatic Little Ice Age

A new University of Colorado Boulder-led study suggests that the Little Ice Age was triggered by a 50-year-long episode of four massive tropical volcanic eruptions. The onset of the cold period is believed to have been caused by an unusual sea ice-ocean feedback system originating in the North Atlantic Ocean.

SourceUniversity of Colorado at Boulder·JournalGeophysical Research Letters·DateJan 30, 2012

Cancer patients' pain can be helped by psychosocial interventions, say researchers

Researchers analyzed past studies on cancer-related pain reduction and found that psychosocial interventions can significantly improve cancer patients' pain severity. Skill-based interventions and educational approaches were most successful in reducing pain and its impact on daily life.

SourceH. Lee Moffitt Cancer Center & Research Institute·JournalJournal of Clinical Oncology·DateJan 30, 2012

Surprise finding redraws 'map' of blood cell production

A study by researchers from Walter and Eliza Hall Institute reveals that progenitor cells can develop into both megakaryocytes and red blood cells, rewriting the 'map' of blood cell production. The discovery has wide-ranging implications for understanding blood diseases and developing new treatments.

SourceWalter and Eliza Hall Institute·JournalProceedings of the National Academy of Sciences·DateJan 30, 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.

Majority of self-harming adolescents don't receive a mental health assessment in ERs

A nationwide study reveals that most young people who present to emergency departments with deliberate self-harm are discharged without receiving a mental health assessment. The study found that only 39% of patients discharged to the community received a mental health assessment while in the emergency department.

SourceNationwide Children's Hospital·JournalJournal of the American Academy of Child & Adolescent Psychiatry·DateJan 30, 2012

Mammals shrink at faster rates than they grow

Research reveals mammals reached maximum size after dinosaurs extinction, with sea mammals doubling time compared to land mammals, while extreme dwarfism occurred in just 100,000 generations.

SourceUniversity of Calgary·JournalProceedings of the National Academy of Sciences·DateJan 30, 2012

Biodiversity enhances ecosystems global drylands -- Ben-Gurion U researchers

A study published in Science suggests that plant biodiversity is crucial for maintaining ecosystem multi-functionality in drylands, which are vulnerable to desertification and climate change. The research found that increasing perennial plant species enhances ecosystem ability to store carbon and build nutrient pools.

SourceAmerican Associates, Ben-Gurion University of the Negev·JournalScience·DateJan 30, 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.

New probiotic bacteria shows promise for use in shellfish aquaculture

Researchers at NOAA's Milford Laboratory have isolated a new probiotic bacterium, OY15, that significantly improves larval survival in oyster hatcheries. The study confirms the protective effect of naturally-occurring probiotic bacteria against bacterial disease and promotes healthy growth.

SourceNOAA Northeast Fisheries Science Center·JournalJournal of Shellfish Research·DateJan 30, 2012

Livestock, not Mongolian gazelles, drive foot-and-mouth disease outbreaks

A recent study published by Wildlife Conservation Society reveals that livestock, not Mongolian gazelles, are the primary drivers of foot-and-mouth disease (FMD) outbreaks in Mongolia. The research found that FMDV antibody prevalence in gazelle populations mirrored the dynamics of FMD in livestock across the Eastern Steppe.

SourceWildlife Conservation Society·JournalJournal of Wildlife Diseases·DateJan 30, 2012

Mouse to elephant? Just wait 24 million generations

Research reveals that rates of size decrease are much faster than growth rates, with dwarfism occurring in just 100,000 generations. It takes at least 24 million generations for large-scale changes in body size to occur.

SourceMonash University·JournalProceedings of the National Academy of Sciences·DateJan 30, 2012
Fluke 87V Industrial Digital Multimeter

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