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Science News Archive March 2011 - Page 5


Page 5 of 28

Biological nanowires expedite future fuel production

Researchers at Arizona State University and the UK have created a platform using biological nanowires to funnel excess energy from photosynthesis directly into fuel production. This innovation aims to increase the efficiency of photosynthesis, enabling the production of sustainable bioenergy.

SourceArizona State University·DateMar 29, 2011
Apple iPhone 17 Pro

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

Queen's University issues stark warning for the Irish hare

Researchers at Queen's University Belfast warn that the Irish hare faces a serious threat from the invading European 'brown' hare. The study suggests that disease, parasite transmission, and climate change may give the invasive species an edge over native species.

SourceQueen's University Belfast·JournalBiological Invasions·DateMar 29, 2011

Satellites show effect of 2010 drought on Amazon forests

A new study using satellite data shows that the 2010 drought caused a dramatic decline in Amazon forest health, with over 2.5 million square kilometers affected. The researchers used computer models and real-time processing of massive amounts of satellite data to analyze the impact of the drought.

SourceAmerican Geophysical Union·JournalGeophysical Research Letters·DateMar 29, 2011

The way to (kill) a bug's heart is through its stomach

A study at Michigan State University reveals a potential new way for plants to fend off pests through starvation. The research focuses on the enzyme threonine deaminase (TD2), which breaks down a key nutrient in caterpillars' stomachs, starving them.

SourceMichigan State University·JournalProceedings of the National Academy of Sciences·DateMar 29, 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.

Cancer drug shows promise for treating scleroderma

A Phase II trial of Gleevec (imatinib) has shown acceptable safety and tolerability, with hints of efficacy in treating diffuse scleroderma. The drug improved skin scores by 22% and forced vital capacity scores by 6.4% after 12 months of therapy.

SourceHospital for Special Surgery·JournalAnnals of the Rheumatic Diseases·DateMar 28, 2011

Marijuana use may hurt intellectual skills in MS patients

Researchers found that people who used marijuana performed significantly worse in attention, speed of thinking, executive function, and visual perception, with some scoring approximately one third lower than non-users. The study suggests that prolonged marijuana use may add to the cognitive burden already experienced by MS patients.

SourceAmerican Academy of Neurology·JournalNeurology·DateMar 28, 2011

Surgeon availability tied to survival rate in vehicle crashes

A recent study by UCSD researchers found a significant inverse association between surgeon availability and road traffic injury-related deaths. Regions with more surgeons showed lower mortality rates, suggesting timely surgical treatment can reduce death risk.

SourceUniversity of California - San Diego·JournalJournal of the American College of Surgeons·DateMar 28, 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.

Even Canadian rocks are different

A new study published in Geology reveals that rock formations along the Canadian-US border date back to 120 million years ago. The research suggests that ancient rivers flowing through western North America were separated by the modern-day border.

SourceUniversity of Calgary·JournalGeology·DateMar 28, 2011

Research proves no 2 of us are alike, even identical twins

A study by molecular geneticist Shiva Singh found that even identical twins have distinct DNA profiles due to random genetic variations. The research uses monozygotic twins with one having schizophrenia to investigate the genetic determinants of schizophrenia.

SourceUniversity of Western Ontario·DateMar 28, 2011

New insight into how 'tidying up' enzymes work

Researchers have gained insight into how 'tidying up' enzymes, like cytochromes P450, break down drug molecules. The study reveals that the oxygen transfer process can be influenced by three factors: molecular docking, oxygen-accepting ability, and enzyme pocket shape.

SourceUniversity of Bristol·JournalProceedings of the National Academy of Sciences·DateMar 28, 2011
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.

Wind can keep mountains from growing

A University of Arizona-led research team found that wind can be up to 100 times more effective at eroding mountains than previously thought. The study suggests that wind played a key role in shaping the Loess Plateau, with over half of its dust coming from the Qaidam Basin.

SourceUniversity of Arizona·JournalGSA Today·DateMar 28, 2011

Icebergs in the Antarctic play important role in carbon cycle

Research by the University of California - San Diego team discovered that icebergs cool and dilute ocean water, affecting phytoplankton distribution and carbon dioxide absorption. The findings suggest enhanced phytoplankton growth would increase carbon dioxide removal from the ocean.

SourceUniversity of California - San Diego·DateMar 28, 2011

£6 million ($9.58 million) to develop a new generation of composites

A £6 million research programme aims to create new generation of high performance fibre reinforced polymer composites, capable of sustaining large deformations without breaking. The materials will provide greater reliability, safety and design flexibility, with the potential to reduce greenhouse gas emissions by up to 15%.

SourceUniversity of Bristol·DateMar 28, 2011

Analysis suggests cancer risk of backscatter airport scanners is low

Researchers estimate that airport backscatter scanners emit extremely low levels of radiation, comparable to natural exposure from the sun and earth. The analysis suggests that these devices do not significantly increase the lifetime risk of cancer for travelers, even frequent flyers.

SourceUniversity of California - San Francisco·JournalArchives of Internal Medicine·DateMar 28, 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.

MIT professor wins first JSA Outstanding Nuclear Physics Award

William Bertozzi, a renowned MIT professor, has been awarded the inaugural JSA Outstanding Nuclear Physicist Award for his pioneering work in experimental electromagnetic nuclear physics. The award acknowledges his leadership and innovative techniques that have advanced the field of nuclear physics.

SourceSoutheastern Universities Research Association·DateMar 28, 2011

Research explores why ancient civilization was 'livin' on the edge'

Researchers explore why large, successful Maya communities were built near wetlands, finding that ancient environments and agricultural practices contributed to their success. The project sheds light on the Maya's 'edge farming' technique, which created fertile soils along the interface between uplands and swamps.

SourceUniversity of Cincinnati·DateMar 28, 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.

Researchers find many elderly men are undergoing unnecessary PSA screenings

A new study found that nearly half of elderly men in their seventies underwent PSA screening, while those aged 85 and older screened just as often as those in their early fifties. The high rate of unnecessary screenings may lead to complications such as incontinence and impotence.

SourceAmerican Society of Clinical Oncology·JournalJournal of Clinical Oncology·DateMar 28, 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.

UC pioneers research on environmental practices of ancient Maya

Recent UC research on ancient Maya agroforestry and water-management systems at Tikal reveals that the forests were insufficient to meet the needs of Late Classic Maya populations, highlighting the importance of sustainable management techniques. The study also sheds light on how the ancient Maya built their water management systems, u...

SourceUniversity of Cincinnati·DateMar 28, 2011

Study sheds light on how heat is transported to Greenland glaciers

A study by Woods Hole Oceanographic Institution scientists highlights the complex interaction between glacier ice, freshwater runoff, and warm ocean waters. The team found that warm waters at the base of Helheim Glacier influence glacier flow speed and melting rates.

SourceWoods Hole Oceanographic Institution·JournalNature Geoscience·DateMar 28, 2011

Major advance in understanding how nanowires form

Researchers have gained a deeper understanding of how nanowires form, thanks to a new theoretical model. The discovery reveals that the shape of catalyst particles controls the growth of nanowires and their crystal structure.

SourceUniversity of Copenhagen·JournalPhysical Review Letters·DateMar 28, 2011

Cystic Fibrosis Foundation funds Marshall research

Dr. Hongwei Yu's lab will explore the factors controlling mucus overproduction and develop a treatment to inhibit alginate biofilm formation in CF patients. The grant aims to improve treatment of bacterial infections and enhance quality of life for CF patients.

SourceMarshall University Research Corporation·DateMar 28, 2011

Video skilled the students so far

Research by Geoff Hilton found that video production improved student understanding of scientific concepts, particularly when rehearsing for an audience. The study revealed that students who created videos showed better learning outcomes compared to those who produced written posters.

SourceInderscience Publishers·JournalInternational Journal of Innovation and Learning·DateMar 28, 2011
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.

Johns Hopkins team identifies genetic link to attempted suicide

A study of nearly 2,700 adults with bipolar disorder found a genetic risk factor on chromosome 2 associated with increased attempts at self-harm. Genetic variants in the region were linked to a higher likelihood of attempting suicide, with those having two copies being almost three times as likely.

SourceJohns Hopkins Medicine·JournalMolecular Psychiatry·DateMar 28, 2011

Deciphering hidden code reveals brain activity

A new approach to studying the brain uses a mathematical sequence to strengthen fMRI data, revealing how nerve cells represent information. This method measures changes in brain responses and corrects an important limitation of fMRI, making it more powerful than before.

SourceUniversity of Pennsylvania School of Medicine·JournalNeuroImage·DateMar 28, 2011

Bones conjure Yellowstone's ecological ghosts

A study by Joshua H. Miller analyzed the bones of Yellowstone's wildlife to understand population changes over time. The research found that native species populations have remained relatively stable, while others have expanded or contracted significantly.

SourceUniversity of Chicago·JournalPLOS ONE·DateMar 28, 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.

Other mental health medications no safer than atypical antipsychotics in nursing home residents

A Canadian study of over 10,900 nursing home patients found that conventional antipsychotics, antidepressants, and benzodiazepines carried higher risks of death, femur fractures, and heart failure compared to atypical antipsychotics. The findings suggest a need for caution when prescribing these medications in this population.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateMar 28, 2011

GPS study shows wolves more reliant on a cattle diet

Researchers found wolves rely on cattle for up to 45% of their summer diet in southwestern Alberta, shifting from wild prey in non-grazing seasons. Cattle make up a significant portion of wolf packs' scavenged feeding events, often located near bone yards and grazing areas.

SourceUniversity of Alberta·JournalFrontiers in Ecology and the Environment·DateMar 28, 2011

Smarter memory device holds key to greener gadgets

Researchers at the University of Edinburgh have developed a tiny device that improves on existing forms of memory storage by using a mechanical arm to translate data into electrical signals. This allows for much faster operation and reduced energy consumption compared to conventional methods.

SourceUniversity of Edinburgh·JournalNature Communications·DateMar 28, 2011
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.

Indications of Alzheimer's disease may be evident decades before first signs of cognitive impairment

Researchers at Mount Sinai School of Medicine found that patients with Alzheimer's disease have lower glucose utilization in the brain, detectable approximately 20 years prior to symptoms. The study suggests that novel therapies could prevent the onset of Alzheimer's by addressing mitochondrial impairment.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalTranslational Neuroscience·DateMar 28, 2011

Mothers' hard work pays off with big brains for their babies

A new study published in Proceedings of the National Academy of Sciences reveals that brain growth in babies is linked to maternal investment, including duration of pregnancy and breastfeeding period. The research suggests that longer pregnancies and breastfeeding periods result in bigger brains for babies.

SourceDurham University·JournalProceedings of the National Academy of Sciences·DateMar 28, 2011

Study shows hunger hitting closer to home

A new study identifies 44 high-risk counties with high food insecurity and prices, requiring an estimated $56 monthly boost per person to meet food needs. The study highlights disproportionate impacts of hunger on Latino and American Indian populations.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·DateMar 28, 2011
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.

International 50-year mortality trends in children and young people reveal an inadequate response to the health problems and causes of death in adolescents, particularly young men

The Lancet study finds that death rates in young people are now higher than in children across most high- and low-income countries, with injury being a major cause of death in young men. The authors highlight the lack of interventions and resources to tackle contemporary health problems faced by young people.

SourceThe Lancet_DELETED·JournalThe Lancet·DateMar 28, 2011

To meet, greet or retreat during influenza outbreaks?

A new model suggests that severing social interactions may not be the best approach to prevent disease spread during influenza outbreaks. The researchers found that a moderate increase in the price of interpersonal contact can lower the peak prevalence of the disease while increasing overall societal utility.

SourceNational Institute for Mathematical and Biological Synthesis (NIMBioS)·JournalProceedings of the National Academy of Sciences·DateMar 28, 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 laser technology prepares to revolutionize communications

Researchers at Stevens Institute of Technology have developed a new laser technology that can transmit data through open space, enabling high-speed free space communications. The technology uses frequency modulation to reduce environmental interference and achieve speeds of up to 100 GHz.

SourceStevens Institute of Technology·JournalApplied Physics Letters·DateMar 28, 2011

Unlocking the secrets of Heritage Smells

A three-year project led by the University of Strathclyde aims to create portable devices that can analyze air samples from valuable items without touching them. The technology uses 'sniffing' artefacts to understand the composition and condition of objects, with potential applications for museums and collectors.

SourceUniversity of Strathclyde·DateMar 28, 2011

India releases tiger numbers as experts convene

India has released its first updated tiger population numbers since 2007, estimating 1,706 tigers, an increase of 225 from the previous count. The figure includes an additional reserve in the Sundarbans, resulting in a corrected total of 1,636.

SourceWorld Wildlife Fund·DateMar 28, 2011

Radiation from Japan detected in Cleveland

Researchers at Case Western Reserve University detected tiny amounts of Iodine 131 from Japan in Cleveland rainwater, with levels estimated as one-tenth that of natural background radiation. The isotope was found in rainwater collected on a campus roof and is being seen worldwide

SourceCase Western Reserve University·DateMar 28, 2011

Certain breast cancer patients worry excessively about recurrence

A new study found that certain women with early-stage breast cancer experience excessive worrying about cancer recurrence, affecting medical care and quality of life. The research identified factors associated with high levels of worry, including younger age, employment, pain, fatigue, and radiation treatment.

SourceWiley·JournalCancer·DateMar 28, 2011
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.

Childhood psychological problems have long-term economic and social impact, study finds

A new study found that childhood psychological problems can have significant negative impacts on an individual's life, including reduced earnings and decreased chances of establishing long-lasting relationships. The study, which followed a group of British residents for 50 years, found that family income was approximately one-fourth lo...

SourceRAND Corporation·JournalProceedings of the National Academy of Sciences·DateMar 28, 2011

Predicting serious drug side effects before they occur

A team of researchers has developed a new model that uses artificial neural networks to predict adverse drug reactions (ADRs) among 10,000 observations with 99.87% accuracy. The technology has the potential to save lives by identifying potential ADRs at an early stage of drug development and marketing.

SourceInderscience Publishers·JournalInternational Journal of Medical Engineering and Informatics·DateMar 28, 2011

Human virus linked to deaths of endangered mountain gorillas

A new study finds that a human respiratory virus has killed two mountain gorillas in Rwanda, confirming the risk of disease transmission between humans and animals. The virus, human metapneumovirus (HMPV), was detected in both gorillas, highlighting the need for increased conservation efforts to protect these endangered animals.

SourceUniversity of California - Davis·JournalEmerging Infectious Diseases·DateMar 28, 2011

Study illuminates the 'pain' of social rejection

A new study by the University of Michigan demonstrates that brain regions activated during physical pain are also active in individuals experiencing intense social rejection. The research found a neural overlap between the two experiences, which may help explain why people describe feelings of social rejection as 'painful'.

SourceUniversity of Michigan·JournalProceedings of the National Academy of Sciences·DateMar 28, 2011

Russian boreal forests undergoing vegetation change, study shows

The Russian boreal forest, the world's largest continuous expanse of forest, is experiencing a rapid shift in vegetation types as temperatures rise. This leads to an increase in evergreen conifers and a decline in larch trees, resulting in a northward progression of evergreens and a retreat of larch forests.

SourceUniversity of Virginia·JournalGlobal Change Biology·DateMar 28, 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.