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Science News Archive February 2013 - Page 12


Page 12 of 28

Pathway controlling cell growth revealed

A Melbourne-based research team has discovered a genetic defect that can halt cell growth and force cells into a death-evading survival state. The finding reveals an important mechanism controlling rapidly-dividing cells, which may lead to the development of new treatments for diseases including cancer.

SourceWalter and Eliza Hall Institute·JournalPLOS Genetics·DateFeb 18, 2013

New supercomputer to aid genomics research

The Institute for Genomic Biology has received a highly parallel shared memory supercomputer named Ember, bolstering its computing services. The system will enable larger projects in genomics and transcriptomics research, improving genome and transcriptome assemblies.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·DateFeb 18, 2013
Apple iPhone 17 Pro

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

The criteria for weight-loss surgery need to be changed

A new study shows that weight-loss surgery can significantly reduce the risk of developing diabetes and cardiovascular disease in patients with a body mass index (BMI) below 40. Researchers at the Sahlgrenska Academy, University of Gothenburg, monitored 104 patients who underwent surgery despite their BMI being considered

SourceUniversity of Gothenburg·JournalDiabetes Care·DateFeb 18, 2013

Shedding new light on infant brain development

A new study by Columbia University researchers found that the infant brain does not control its blood flow in the same way as the adult brain. With increasing age, the immature brain gradually developed its ability to increase local blood flow and generate a large blood-flow response.

SourceColumbia University·JournalProceedings of the National Academy of Sciences·DateFeb 18, 2013

Not just cars, but living organisms need antifreeze to survive

Researchers have discovered that antifreeze proteins in plants and animals prevent frost damage by coating and protecting ice crystals. The study, published in PNAS, used microfluidic devices to observe the binding of AFPs to ice, revealing a strong and irreversible interaction that prevents ice growth even without protein presence.

SourceThe Hebrew University of Jerusalem·JournalProceedings of the National Academy of Sciences·DateFeb 18, 2013
Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

Study: p38beta MAPK not critical to brain inflammation

Researchers at the University of Kentucky found that p38beta MAPK has no effect on brain-cell cultures or mouse brains in terms of inflammation and neurotoxicity. This suggests that development of p38-inhibitor drugs may focus on targeting p38alpha instead of retaining p38beta inhibitory activity.

SourceUniversity of Kentucky·JournalPLOS ONE·DateFeb 18, 2013

Blood is thicker than water -- and blood plasma is, too

Researchers at Saarland University and the University of Pennsylvania have discovered that blood plasma is a non-Newtonian fluid that forms threads and exhibits viscoelastic properties, influencing blood flow into narrow capillaries. This study may improve computer simulations of vascular pathological processes.

SourceSaarland University·JournalPhysical Review Letters·DateFeb 18, 2013

A solution to sinusitis from the sea

Researchers isolated an enzyme called NucB from the marine bacterium Bacillus licheniformis, which can break down biofilms in sinusitis. The enzyme cleared over half of biofilm organisms tested, offering a potential solution to chronic sinusitis.

SourceNewcastle University·JournalPLOS ONE·DateFeb 18, 2013

Lake-effect snow sometimes needs mountains

A new study reveals that mountains can play a crucial role in triggering lake-effect snowstorms over large bodies of water. The research found that three key mountain-related factors were necessary to produce the October 2010 storm that hit metropolitan Salt Lake City and the Wasatch Range.

SourceUniversity of Utah·JournalMonthly Weather Review·DateFeb 18, 2013

Cushion plants help other plants survive

New research shows cushion plants in harsh alpine environments support biodiversity by providing a protective habitat for less stress-tolerant species. These plant communities are crucial in extreme conditions, as they counteract the reduction in phylogenetic diversity.

SourceUniversity of Gothenburg·JournalEcology Letters·DateFeb 18, 2013
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.

In fight against cancer, a closer look at nuclear blebbing

Researchers at Northwestern University developed a mathematical model that sheds light on the mechanisms causing bulges in cells' nuclear membranes. This study may provide potential therapies for related diseases by preventing bleb formation.

SourceNorthwestern University·JournalProceedings of the National Academy of Sciences·DateFeb 18, 2013

Sitting time associated with increased risk of chronic diseases

A study published in the International Journal of Behavioral Nutrition and Physical Activity found that sitting time was significantly associated with an increased risk of chronic diseases. The study, which included 63,048 middle-aged Australian males, showed a steady increase in risk as sitting time increased.

SourceKansas State University·JournalInternational Journal of Behavioral Nutrition and Physical Activity·DateFeb 18, 2013

Subordinate animals as guinea pigs

Researchers observed wild meerkat groups in the Kalahari Desert, where dominant females yield to lower-ranked individuals to cross roads, revealing a complex adaptation mechanism. This phenomenon may be an innate response, allowing animals to cope with novel threats and minimizing group risk.

SourceETH Zurich·JournalPLOS ONE·DateFeb 18, 2013
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.

Nesting site protection 'key to save turtles from climate change'

A new study reveals that some turtle populations are among the least likely to recover from climate change impacts. Protecting key regional nesting beaches and areas suitable for future nesting is crucial to enhance marine turtles' resilience.

SourceARC Centre of Excellence for Coral Reef Studies·JournalGlobal Change Biology·DateFeb 18, 2013

Eye movements reveal reading impairments in schizophrenia

Researchers at McGill University found that people with schizophrenia exhibit impaired reading fluency due to context-dependent eye movements and processing of words. The study provides new insights into the impact of schizophrenia on cognitive functions and could lead to earlier interventions.

SourceMcGill University·DateFeb 18, 2013

Loyalty is trump

Researchers at Ruhr-University Bochum found that loyal customers play out their loyalty in price negotiations, gaining an extra 5% discount without issue. This study turned the perception of customer loyalty on its head, highlighting its negotiating power in stores across various sectors.

SourceRuhr-University Bochum·DateFeb 18, 2013
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.

Hunt for distant planets intensifies

A team of UChicago astronomers, led by Jacob Bean, is utilizing new methods to analyze the atmospheres of exoplanets, with a focus on distinguishing between gas giants and water worlds. The search for exoplanets has revealed an estimated 17 billion Earth-sized planets in the Milky Way galaxy, potentially harboring life-sustaining worlds.

SourceUniversity of Chicago·DateFeb 18, 2013

Excessive TV in childhood linked to long-term antisocial behaviour

A new University of Otago study followed over 1000 children and found that excessive TV viewing in childhood is associated with increased risks of antisocial behavior, including criminal conviction and aggressive personality traits, in adulthood. The study suggests reducing TV viewing could help reduce rates of antisocial behavior.

SourceUniversity of Otago·JournalPEDIATRICS·DateFeb 18, 2013
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.

History of stroke and coronary heart disease -- a fatal combination

A study of 26,389 coronary patients found that 17% had a history of stroke or transient ischemic attack (TIA), associated with increased risk of heart attack and hemorrhagic stroke. Higher doses of anti-platelet or anti-coagulant therapy were linked to a high risk of bleeding complications.

SourceINSERM (Institut national de la santé et de la recherche médicale)·JournalCirculation·DateFeb 18, 2013

When selecting a child's doctor, families prefer grapevine over online ratings

A new poll from the University of Michigan found that only 25% of parents consider doctor rating websites very important in their search for a pediatrician. However, younger parents (under 30) are more likely to say online ratings are very important, with mothers being more likely than fathers. Despite this, nearly one-third of parents...

SourceMichigan Medicine - University of Michigan·DateFeb 18, 2013

Atherosclerosis -- Monocyte migrations

Researchers identify critical role of CCR1 and CCR5 receptors in monocyte recruitment to atherosclerotic lesions. The findings suggest that inhibiting these receptors may provide novel therapeutic strategies for treating atherosclerosis.

SourceLudwig-Maximilians-Universität München·JournalEMBO Molecular Medicine·DateFeb 18, 2013

New study on Hepatitis C drug treatment in vivo and in vitro

Researchers have discovered that daclatasvir, a direct acting antiviral agent, targets the HCV protein NS5A and also blocks viral secretion from infected cells. The study provides insight into the drug's modes of action and suggests a more accurate estimate of the HCV half-life.

SourceLoyola Medicine·JournalProceedings of the National Academy of Sciences·DateFeb 18, 2013
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.

When it comes to genetic code, researchers prove optimum isn't always best

A team of researchers found that non-optimal codon usage slows translation of the genetic code into protein, allowing it to achieve its optimal structure. This discovery provides new insights into controlling the rates at which critically important proteins are synthesized and could lead to better understanding of cancers and diseases.

SourceTexas A&M University·JournalNature·DateFeb 18, 2013

CWRU study examines family struggles with anger and forgiveness when relative is dying

A study by Case Western Reserve University researchers explores how family members cope with anger toward God during a loved one's death. The findings show that lower levels of religiosity and spiritual connection are associated with increased anger, while prayer and seeking forgiveness can be effective coping strategies.

SourceCase Western Reserve University·JournalJournal of Palliative Medicine·DateFeb 18, 2013

Gene linked to worse outcomes for melanoma

Scientists at Queen Mary University of London identified a gene linked to resistance in melanoma tumour cells. The gene TP63 was found to correlate significantly with a worse prognosis in melanoma patients.

SourceQueen Mary University of London·JournalJournal of Experimental Medicine·DateFeb 18, 2013
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.

Lunar water findings challenge prevailing theory

Researchers detected water in lunar anorthosites, contradicting the popular moon-formation model that suggests the moon was formed from debris generated by a giant impact. The discovery indicates that the early moon was wet and that water may have played a key role in its development.

SourceUniversity of Michigan·JournalNature Geoscience·DateFeb 18, 2013

Bone marrow cells used in bladder regeneration

Researchers at Northwestern University are using bone marrow cells to recreate bladder muscle, vasculature, and nerve tissue, potentially replacing traditional surgery. This approach aims to address complications associated with bowel-based augmentation cystoplasty, a common surgical option for bladder dysfunction.

SourceNorthwestern University·JournalProceedings of the National Academy of Sciences·DateFeb 18, 2013
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.

Fighting disease deep inside the brain

Miniature, ultra-flexible electrodes developed in Switzerland may improve Deep Brain Stimulation (DBS) treatment for Parkinson's disease and other conditions. These new electrodes allow for more precise directional stimulation, reducing side effects and enhancing therapeutic effectiveness.

SourceEcole Polytechnique Fédérale de Lausanne·DateFeb 17, 2013

Modern alchemy, fusion energy and more from Princeton

Researchers from Princeton University presented various topics at the 2013 AAAS annual meeting, including virtual water trade to cope with climate change, biodiversity indicators, and the physics of cancer. They also explored the evolutionary significance of third molar impaction in human populations.

SourcePrinceton University·DateFeb 17, 2013
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.

Wiring the ocean

Using ocean WiFi hotspots, Stanford professor Barbara Block is tracking animal movements in real-time, enabling new insights into marine ecosystems and fisheries management. Her 'Wired Ocean' project aims to establish a global network of instruments to study the biosphere under unprecedented human impact.

SourceStanford University·DateFeb 17, 2013

Evidence shows concussions require long-term follow-up for players

A leading Canadian researcher found that brain damage from concussions can persist for decades in athletes, causing attention and memory problems. Dr. Maryse Lassonde's study shows that brain waves remain abnormal for two years after a concussion and atrophy occurs in the motor pathways of the brain.

SourceCanada Foundation for Innovation·DateFeb 17, 2013
Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Arrhythmia culprit caught in action

Researchers used X-rays to recreate a microscopic crime scene and caught the arrhythmia culprit in action. Gene mutations destabilize the calcium pathway, causing premature release and potentially deadly conditions.

SourceUniversity of British Columbia·DateFeb 17, 2013

Dopants dramatically alter electronic structure of superconductor

Researchers used spectroscopic imaging scanning tunneling microscopy to visualize the electronic properties around individual dopant atoms in an iron-based superconductor. The study found that dopants introduce elongated impurity states that scatter electrons in an asymmetric way, explaining most of the material's unusual properties.

SourceDOE/Brookhaven National Laboratory·JournalNature Physics·DateFeb 17, 2013

'Snooze button' on biological clocks improves cell adaptability

A study by Vanderbilt University researchers found that cells can alter their biological clocks by using different synonymous codons in the genetic code. This adaptation allows cells to survive in changing environments, such as varying temperatures, and potentially has applications in biotechnology like biofuel production.

SourceVanderbilt University·JournalNature·DateFeb 17, 2013
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Microbes team up to boost plants' stress tolerance

Researchers found that certain viruses and fungi work together with plants to improve drought and temperature tolerance. This collaboration is a key to sustainable agriculture and may lead to more natural methods of creating crops that are more heat, drought, and stress tolerant.

SourcePenn State·DateFeb 17, 2013

A new way of looking at drug discovery

A new paradigm for therapeutics discovery is proposed by Garret FitzGerald, MD, FRS, to address the unsustainable model of current drug development in the US. The approach aims to integrate knowledge of preclinical science with an understanding of drug action in humans, leading to improved prediction of efficacy and safety.

SourceUniversity of Pennsylvania School of Medicine·DateFeb 17, 2013

Ancient teeth bacteria record disease evolution

Research on ancient human skeletons reveals negative changes in oral bacteria due to dietary shifts, including the introduction of farming and processed sugar. The study provides a new record of dietary impacts and health changes over time.

SourceUniversity of Adelaide·JournalNature Genetics·DateFeb 17, 2013

Get your brain fit

Professor Barbara Sahakian emphasizes the importance of prioritizing mental health, citing one in four adults suffering from a mental disorder. She advocates for regular monitoring and early detection through innovation and technology to promote prevention and effective treatment.

SourceUniversity of Cambridge·DateFeb 17, 2013
Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.