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Science News for February 20, 2014


Active thyroid may raise risk of depression in older individuals

A population-based cohort study found that older adults with highly active thyroid glands are at a substantially increased risk of developing depression. The study analyzed data from 1,503 participants and found that those with higher TSH levels were more likely to experience depression symptoms over an eight-year period.

SourceThe Endocrine Society·JournalThe Journal of Clinical Endocrinology & Metabolism·DateFeb 20, 2014

Hypnosis therapy shown to decrease fatigue levels in breast cancer patients

A randomized controlled trial found that cognitive behavioral therapy plus hypnosis significantly reduced fatigue in breast cancer patients during and after radiotherapy. The treatment group had less fatigue than 79% of control group patients at the end of radiotherapy, with benefits persisting for up to six months.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalJournal of Clinical Oncology·DateFeb 20, 2014
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.

Dismantling pancreas cancer's armor

Researchers at the Fred Hutchinson Cancer Center have found that removing immune suppressor cells from pancreas tumors triggers a spontaneous anti-tumor immune response, providing hope for future immunotherapy strategies. The study showed that these cells, called granulocyte-myeloid-derived suppressor cells (Gr-MDSCs), actively work ag...

SourceFred Hutchinson Cancer Center·JournalGut·DateFeb 20, 2014

Cell behavior in low oxygen conditions mapped

A new study at the University of Liverpool explains how cells adapt to low oxygen environments, potentially controlling cell survival signals. By monitoring protein levels and gene expression, researchers discovered optimal conditions for keeping cells alive, which could lead to cancer treatment advancements.

SourceUniversity of Liverpool·JournalJournal of Biological Chemistry·DateFeb 20, 2014

Chemical chaperones have helped proteins do their jobs for billions of years

Scientists discovered that polyphosphate, an ancient chemical present in all living creatures, plays a crucial role in protein folding and can substitute for complex chaperone proteins. This breakthrough could lead to new strategies for treating protein folding diseases like Alzheimer's and Parkinson's.

SourceUniversity of Michigan·JournalMolecular Cell·DateFeb 20, 2014
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.

New research shows the way a room is lit can affect the way you make decisions

A new study from the University of Toronto Scarborough finds that human emotion is felt more intensely under bright light, affecting decision-making. Participants rated stimuli under different lighting conditions, showing a preference for brighter lights to amplify positive and negative emotions.

SourceUniversity of Toronto·JournalJournal of Consumer Psychology·DateFeb 20, 2014

Forest model predicts canopy competition

A new mathematical model developed by Brown University scientists can predict how trees compete for space in the canopy, revealing that incumbent trees dominate 97.9% of a given square meter two years later.

SourceBrown University·JournalEcology Letters·DateFeb 20, 2014

Multilevel approach to coping with stigmas identified

Researchers found that a two-way approach can be more effective in reducing health disparities due to social stigma. Interventions at the individual level, such as educational approaches, can be combined with structural changes, like legislative reforms, to achieve better outcomes.

SourcePenn State·JournalSocial Science & Medicine·DateFeb 20, 2014
Apple iPhone 17 Pro

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

With friends like these, who needs democracy?

A new study by Michigan State University's Michael Colaresi suggests that foreign aid from rival nations can create mistrust among citizens and hinder the establishment of democratic governments after civil wars. Only one country, Algeria, bucked this trend by becoming more democratic in the following decade.

SourceMichigan State University·JournalJournal of Peace Research·DateFeb 20, 2014

Study shows that premature infants benefit from adult talk

Research published in Pediatrics shows that premature babies who hear more adult talk in the NICU have higher language and cognitive scores at 18 months. The study found that every increase in adult word count per hour during the recording period was associated with a two-point increase in the language score.

SourceCare New England·JournalPEDIATRICS·DateFeb 20, 2014
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.

Sequencing hundreds of nuclear genes in the sunflower family now possible

A new approach allows for the sequencing of hundreds of nuclear genes across members of the Compositae, enabling better-resolution phylogenetic relationships and addressing evolutionary questions about the family. The method, termed target sequence capture, has been successfully tested using 14 species from the sunflower family.

SourceBotanical Society of America·JournalAmerican Journal of Botany·DateFeb 20, 2014

Extreme weather decides distribution of insects

Researchers found that insect distribution is primarily defined by their tolerance to extreme temperatures, not average temperature changes. This knowledge helped model the expected shift in distributions due to climate change, with some species predicted to disappear entirely in a few decades.

SourceAarhus University·JournalGlobal Change Biology·DateFeb 20, 2014

Rural primary care physicians are committed to professionalism, quality improvement

A new study finds that rural primary care physicians are committed to professionalism and quality improvement, contrary to common perceptions. They were more likely to participate in quality improvement activities, discuss costs of care with patients, and report having added Medicaid or uninsured patients to their patient panels.

SourceMassachusetts General Hospital·JournalThe Journal of Rural Health·DateFeb 20, 2014
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.

Scientists discover 11 new genes affecting blood pressure

Researchers at Queen Mary University of London have identified 11 new genetic variants associated with high blood pressure and heart disease. These findings provide valuable insight into the body's regulation of blood pressure, potentially leading to the development of new treatments for hypertension.

SourceQueen Mary University of London·JournalAmerican Journal of Human Genetics·DateFeb 20, 2014

Roots to shoots: Hormone transport in plants deciphered

A new study identifies a protein essential for relocating cytokinins from roots to shoots, regulating plant growth and development. The research has implications for increasing biomass yield and stress tolerance of plants grown for biofuels or agriculture.

SourceDOE/Brookhaven National Laboratory·JournalNature Communications·DateFeb 20, 2014

Clinical opinion published on use of maternal oxygen during labor

A clinical opinion published in the American Journal of Obstetrics and Gynecology suggests that maternal oxygen supplementation during labor may not benefit the fetus and could be harmful. The authors recommend reserving oxygen for mothers with hypoxia only, pending further research.

SourceCare New England·JournalAmerican Journal of Obstetrics and Gynecology·DateFeb 20, 2014

Mauritius kestrels show long-term legacy of man-made habitat change

A study on Mauritius kestrels reveals that the birds have adopted a faster reproductive strategy due to habitat loss, allowing them to maintain population numbers despite reduced survival rates as young adults. The researchers warn that human activities can have long-lasting impacts on wild species' life histories.

SourceCell Press·JournalCurrent Biology·DateFeb 20, 2014

A changing view of bone marrow cells

Researchers at Caltech have shown that bone marrow cells are sensitive to infection-related molecules and respond rapidly. They detect invasion and mount an inflammatory response, producing cytokines that stimulate the differentiation of immune cells.

SourceCalifornia Institute of Technology·JournalCell Stem Cell·DateFeb 20, 2014
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.

Greece's deepening health crisis

A new study reveals that Greece's health system is deteriorating due to severe austerity measures, leading to a rise in infectious diseases and mental health issues. The country has experienced significant cuts to its healthcare budget, resulting in reduced access to medical care for many patients.

SourceUniversity of Oxford·JournalThe Lancet·DateFeb 20, 2014

Better broccoli, enhanced anti-cancer benefits with longer shelf life

Researchers at the University of Illinois discovered a method to increase broccoli's anti-cancer properties while prolonging its shelf life. The combined application of methyl jasmonate and 1-methylcyclopropene increased the presence of cancer-fighting agents in broccoli, while reducing ethylene levels that cause decay.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalPLOS ONE·DateFeb 20, 2014

Long-term daily multivitamin supplement use decreases cataract risk in men

Researchers found a significant decrease in cataract risk among male physicians taking a daily multivitamin supplement, with a 9% lower risk compared to the placebo group. However, the study also found a slight increase in age-related macular degeneration risk among multivitamin users.

SourceAmerican Academy of Ophthalmology·JournalOphthalmology·DateFeb 20, 2014
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.

Enhancement of chemotherapy by prevention of tumor cell repair

Researchers discovered a new drug, spironolactone, that inhibits DNA repair mechanisms, making cancer cells more susceptible to chemotherapy. This finding has the potential to enhance cancer treatment protocols and improve patient outcomes.

SourceINSERM (Institut national de la santé et de la recherche médicale)·JournalChemistry & Biology·DateFeb 20, 2014

Crime Lab receives $1 million MacArthur Foundation award

The University of Chicago Crime Lab has received a $1 million MacArthur Award for Creative and Effective Institutions to study interventions preventing violence. Researchers have found targeted tutoring programs improve school outcomes and reduce violence among high school students.

SourceUniversity of Chicago·DateFeb 20, 2014

Study examines correctional officer stress

A new study by Sam Houston State University found that conflicts between work and family life were the most significant issues affecting correctional officers' stress and job satisfaction. The study identified demands from work, incompatibility between work and home roles, and family circumstances as major contributors to job stress.

SourceSam Houston State University·DateFeb 20, 2014
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.

Turning back the clock on aging muscles?

Researchers have discovered a method for restoring strength to damaged skeletal muscles in the elderly using stem cell therapy. The treatment involves treating cells outside the body with a drug that prevents protein modification and culturing them on soft biomaterials, allowing aged cells to grow and self-renew.

SourceUniversity of Toronto·JournalNature Medicine·DateFeb 20, 2014

Biopsies before transplantation do not determine success of donated kidneys

Studies found that biopsied kidney injuries were modestly associated with delay in organ function, but only for donor kidneys already at high risk. However, there was a large degree of overlap between discarded and transplanted kidneys, suggesting low-quality biopsies may be used to make acceptance decisions.

SourceAmerican Society of Nephrology·JournalClinical Journal of the American Society of Nephrology·DateFeb 20, 2014

What has happened to the tsunami debris from Japan?

The IPRC Ocean Drift Model has been charting the possible paths of tsunami driftage for nearly 3 years, improving its accuracy by accounting for different shapes and buoyancies. The model predicts the type and timing of material that washes up along windward shores, including oyster buoys, crates, and wood pieces from Japan.

SourceUniversity of Hawaii ‑ SOEST·DateFeb 20, 2014
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.

Scientists create powerful artificial muscle with fishing line

Researchers have created artificial muscles that generate far more force and power than human muscles of the same size, using fibres from fishing lines and sewing threads. These inexpensive muscles can quickly lift weights up to 100 times heavier than humans can, with applications in medical devices, humanoid robots, and prosthetic limbs.

SourceUniversity of British Columbia·JournalScience·DateFeb 20, 2014

New calibration confirms LUX dark matter results

The LUX detector demonstrates its high sensitivity to potential signals in the search for low-mass dark matter particles. The new calibration confirms that no evidence of such particles was found during the detector's initial run.

SourceBrown University·DateFeb 20, 2014
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.

Why are some children more resilient to post-traumatic stress?

A study comparing post-traumatic stress symptoms among children exposed to disasters and identifying risk factors for resiliency. The article discusses the importance of recognizing similarities and differences in how children and adults react to traumatic events.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalJournal of Child and Adolescent Psychopharmacology·DateFeb 20, 2014

Elsevier announces the launch of a new journal: TrEAC

Elsevier has launched a new journal, TrEAC, which will publish concise and critical overviews of the rapid changes and development in environmental analytical chemistry. The journal aims to enhance understanding of the environment through analysis and detection of new contaminants.

SourceElsevier·JournalTrends in Environmental Analytical Chemistry·DateFeb 20, 2014
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.

Bioengineered growth factors lead to better wound healing

Researchers at EPFL have developed bioengineered growth factors that significantly enhance wound healing, bone repair, and new blood vessel formation. The engineered growth factors display improved binding affinity to extracellular matrix proteins, leading to faster tissue closure and granulation tissue production.

SourceEcole Polytechnique Fédérale de Lausanne·JournalScience·DateFeb 20, 2014
Meta Quest 3 512GB

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

Molecular 'cocktail' transforms skin cells into beating heart cells

Researchers at the Gladstone Institutes have devised a method to reprogram skin cells into cells that closely resemble beating heart cells, exhibiting twitching and contracting patterns. The addition of one genetic factor, Oct4, accelerated the transformation, revealing promising results for pharmaceutical-based therapies.

SourceGladstone Institutes·JournalCell Reports·DateFeb 20, 2014

New apps may help detect seizures, treat strokes

Two new smartphone applications have been developed to aid in diagnosing epileptic seizures and managing acute stroke care. The epilepsy app was found to be informative in 87% of tested individuals, agreeing with medical diagnoses in 96% of cases.

SourceAmerican Academy of Neurology·DateFeb 20, 2014

Stress hormone linked to frailty

A new study found that individuals with frailty have lower morning cortisol levels and higher evening levels, associated with reduced grip strength and walking speed. This study suggests a link between disrupted cortisol regulation and loss of muscle mass and strength in frail adults.

SourceThe Endocrine Society·JournalThe Journal of Clinical Endocrinology & Metabolism·DateFeb 20, 2014

MD Anderson researcher uncovers some of the ancient mysteries of leprosy

A new hypothesis suggests that leprosy has existed for millions of years, with roots dating back to around 10 million years ago. The disease is believed to have evolved from a common ancestor of two known leprosy bacteria, which underwent reductive evolution resulting in a lean genome and loss of free-living ability.

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalPLOS Neglected Tropical Diseases·DateFeb 20, 2014
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.

Human and dog brains both have dedicated 'voice areas'

A recent study has revealed that human and dog brains share dedicated 'voice areas', suggesting a long evolutionary history of this neural mechanism. The research used fMRI scans to compare brain activity between humans and dogs in response to voice and emotional sounds.

SourceCell Press·JournalCurrent Biology·DateFeb 20, 2014

Genetic screening can identify men with advanced prostate cancer

Scientists at The Institute of Cancer Research have discovered that screening for certain genetic mutations in men with a family history of prostate cancer can predict the development of aggressive forms of the disease. The study identified 13 'loss of function' mutations in eight DNA repair genes, which significantly increase the risk...

SourceInstitute of Cancer Research·JournalBritish Journal of Cancer·DateFeb 20, 2014

From a distance: New technique for repair work

A novel platform connects engineers in their offices with production locations, enabling real-time video transmission and interactive 3D model views. This approach facilitates remote maintenance by showing operators multiple views of the machine on screen.

SourceSaarland University·DateFeb 20, 2014
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.

Smaller meals more times per day may curb obesity in cats

A study found that feeding cats smaller meals more frequently increased their physical activity, particularly when anticipating meal times. This approach can be a practical solution for pet owners to manage feline obesity and diabetes.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalJournal of Animal Science·DateFeb 20, 2014
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.

'Mission of firsts' showcased new range-safety technology at NASA Wallops

The NASA Wallops Flight Facility successfully deployed a record-breaking 29 small satellites into orbit, also testing a new autonomous flight safety system that promises to eliminate expensive down-range tracking and command infrastructure. The system's first certification test was deemed 'positive' with initial data indicating it sent...

SourceNASA/Goddard Space Flight Center·DateFeb 20, 2014

Mega-bucks from Russia seed development of 'big data' tools

Brookhaven physicist Alexei Klimentov receives a $3.4 million mega-grant to develop new 'big data' computing tools, building on the success of his ATLAS experiment workload and data management system. The project aims to efficiently handle large-scale data distribution and processing for various scientific fields.

SourceDOE/Brookhaven National Laboratory·DateFeb 20, 2014

CHOP researcher co-leads study finding genes that affect blood pressure

A large international study has found 11 new genetic signals linked to blood pressure levels, with 10 of those signals being 'druggable' targets. The discovery offers the possibility of expedited pharmaceutical development of therapeutics for high blood pressure, a serious risk factor for cardiovascular diseases.

SourceChildren's Hospital of Philadelphia·JournalAmerican Journal of Human Genetics·DateFeb 20, 2014
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.

Unstable Atlantic deep ocean circulation under future climate conditions

A new study suggests that Atlantic deep water formation may be much more fragile than previously realised, with sudden and large reductions in the influence of these North Atlantic waters in the deep ocean. This could have widespread impacts on regional sea level, droughts, and ocean acidification under future climate change scenarios.

SourceThe University of Bergen·JournalScience·DateFeb 20, 2014

Vibration energy the secret to self-powered electronics

Researchers have developed a nanogenerator that can harness and convert vibration energy from surfaces like car seats into power for smartphones. The device uses piezoelectric materials to generate electricity from mechanical forces, enabling self-charged personal electronics.

SourceUniversity of Wisconsin-Madison·JournalAdvanced Energy Materials·DateFeb 20, 2014

Researchers say distant quasars could close a loophole in quantum mechanics

Researchers at MIT have proposed an experiment using distant quasars to determine the settings of particle detectors, which could close the 'free will' loophole and provide evidence for quantum mechanics. This setup would utilize the oldest light in the universe to eliminate potential biases.

SourceMassachusetts Institute of Technology·JournalPhysical Review Letters·DateFeb 20, 2014
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.

Crop species may be more vulnerable to climate change than we thought

A recent study suggests that plant speciation may not be influenced by environmental factors, instead emphasizing the importance of seed dispersal and similar habitats. This finding has significant implications for agriculture and climate change, as many crop species are polyploids and may not adapt well to changing climates.

SourceUniversity of the Witwatersrand·JournalEcology Letters·DateFeb 20, 2014

Sustainable manufacturing system to better consider the human component

Researchers at Oregon State University created a new approach to sustainable manufacturing that incorporates the human component, addressing economic, environmental, and social impacts. The method considers various facets of sustainability, including energy usage, materials, worker safety, and satisfaction, to create a holistic process.

SourceOregon State University·JournalJournal of Cleaner Production·DateFeb 20, 2014

Researching Facebook business

A recent study found that online and offline reasons contribute to unfriending on Facebook. Businesses can avoid being unfriended by avoiding frequent posts, committing to individual-level relationships, and refraining from controversial topics.

SourceInderscience Publishers·JournalInternational Journal of Business Environment·DateFeb 20, 2014
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.

MATH, HPV status in HNSCC patients effective markers of improved patient outcome

Research using next-generation sequencing data and clinical records from HNSCC patients found that combining MATH with HPV status is an effective marker of improved patient outcome. High tumor MATH at surgery is associated with poor outcomes, while HPV-positive patients have lower average MATH values than HPV-negative patients.

SourceAmerican Society for Radiation Oncology·DateFeb 20, 2014

Nanoscale pillars could radically improve conversion of heat to electricity

Researchers have developed a new technique using nanoscale pillars to radically improve thermoelectric materials, potentially leading to more efficient solar panels and power plants. By slowing down the flow of heat, these pillars can reduce thermal losses and increase electricity generation.

SourceUniversity of Colorado at Boulder·JournalPhysical Review Letters·DateFeb 20, 2014
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.

Dishonesty and creativity: 2 sides of the same coin?

A study published in Psychological Science found that almost 59% of participants cheated on a task, leading to increased creative thinking on a subsequent task. Cheating seemed to encourage creativity by priming people to be less constrained by rules.

SourceAssociation for Psychological Science·JournalPsychological Science·DateFeb 20, 2014

Legal harvest of marine turtles tops 42,000 each year

A comprehensive review of global marine turtle fisheries reveals that over 42,000 turtles are caught annually through legal means. This number is largely driven by the green turtle species, with the majority coming from the Caribbean and Indo-Pacific regions.

SourceUniversity of Exeter·JournalDiversity and Distributions·DateFeb 20, 2014

Sustainable use of energy wood resources shows potential in North-West Russia

The study analyzed the potential of energy wood resources in the Leningrad region of Russia, finding significant potential for intensification. Maximization of sustainable energy wood supply could create new jobs and business opportunities, but challenges like low productivity and technical accessibility need to be solved.

SourceUniversity of Eastern Finland·JournalInternational Journal of Forest Engineering·DateFeb 20, 2014
Celestron NexStar 8SE Computerized Telescope

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

Surprising culprit found in cell recycling defect

Scientists at Washington University School of Medicine have identified a rare genetic disease caused by the misplacement of a normal protein, phosphotransferase. The protein ends up in the lysosomes, causing a shortage of enzymes and leading to skeletal and heart abnormalities.

SourceWashU Medicine·JournalProceedings of the National Academy of Sciences·DateFeb 20, 2014