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Science News Archive December 2011 - Page 4


Page 4 of 23

Future is bright for ONR's lightweight, sun-powered generator

The Ground Renewable Expeditionary ENergy System (GREENS) provides continuous power to Marines in the field, reducing the need for fuel transport and minimizing logistics expenses. Developed by ONR, GREENS is a portable, lightweight, and modular system that uses solar power to generate electricity.

SourceOffice of Naval Research·DateDec 21, 2011
Apple iPhone 17 Pro

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

UNC study could lead to a treatment for Angelman syndrome

Researchers at UNC may have found a way to awaken the dormant allele of Ube3a, leading to potential treatments for Angelman syndrome. The team used FDA-approved drugs like irinotecan and topotecan to 'awaken' the paternal allele, resulting in functional protein expression.

SourceUniversity of North Carolina Health Care·JournalNature·DateDec 21, 2011

Balancing the womb

A new study reveals that precise regulation of myosin phosphorylation is crucial for uterine activity during labor. The researchers discovered that specific amino acids are phosphorylated to control uterine contractions, providing insights into premature births and failed inductions.

SourceUniversity of Bristol·JournalMolecular Human Reproduction·DateDec 21, 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.

Taking a predictive approach to identifying adverse drug reactions

Researchers at Boston Children's Hospital developed a new mathematical model to predict drug-ADE relationships, identifying issues up to 5 years before they occur. The approach has shown promising results, correctly predicting 42% of absent drug-ADE relationships and accurately recognizing false pairs.

SourceBoston Children's Hospital·JournalScience Translational Medicine·DateDec 21, 2011

Aquatic therapy soon after total knee arthroplasty improves outcomes

A new study published in the Archives of Physical Medicine and Rehabilitation found that aquatic therapy beginning 6 days after TKA significantly improved results. In contrast, delaying its onset after THA may be more appropriate. Aquatic therapy has been shown to reduce effusion in the knee joint, leading to less pain.

SourceElsevier Health Sciences·JournalArchives of Physical Medicine and Rehabilitation·DateDec 21, 2011

Research states that prejudice comes from a basic human need and way of thinking

Research suggests that prejudice arises from a fundamental psychological need to make quick judgments and reduce ambiguity, often leading to stereotyping and generalizations. This way of thinking is linked to people's desire to categorize the world and rely on social norms.

SourceAssociation for Psychological Science·JournalCurrent Directions in Psychological Science·DateDec 21, 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.

How to build doughnuts with Lego blocks

Scientists have discovered how to build doughnuts with Lego blocks using a novel material with internal nanostructure made of two chemically discordant polymers. The discovery sheds light on the self-assembly of these materials, which could lead to breakthroughs in data storage, nanoelectronics, and pattern creation.

SourceSpringer·JournalThe European Physical Journal E·DateDec 21, 2011

Cryogenic testing completed for NASA's WEBB Telescope mirrors

NASA's WEBB Telescope has successfully completed cryogenic testing on its primary and secondary mirror segments, proving their ability to operate at extremely low temperatures. The testing, conducted at the X-ray and Cryogenic Facility, verified the mirrors' shape changes with temperature as expected, ensuring crisp focusing in space.

SourceNASA/Goddard Space Flight Center·DateDec 21, 2011

Habit formation is enabled by gateway to brain cells

Researchers found that NMDA receptors on dopamine neurons are essential for habit formation, allowing brain cells to communicate and increase activity. The discovery provides new direction for therapy to treat diseases like Parkinson's and opens the door to speeding up good habit formation.

SourceMedical College of Georgia at Augusta University·JournalNeuron·DateDec 21, 2011
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.

Silk microneedles deliver controlled-release drugs painlessly

Researchers at Tufts University developed silk-based microneedle systems that can precisely control drug release rates and maintain bioactivity. The technology has the potential to address limitations in existing painless drug delivery mechanisms and prevent local infections.

SourceTufts University·JournalAdvanced Functional Materials·DateDec 21, 2011

How to break Murphy's Law

A new study by Canadian researchers aims to dispel the myth of Murphy's Law by showing that human error can be minimized through rigorous testing and analysis. By implementing checks and balances, industries can improve reliability and safety, reducing the likelihood of catastrophic failures.

SourceInderscience Publishers·JournalInternational Journal of Reliability and Safety·DateDec 21, 2011

How do we split our attention?

A new study published in Neuron found that the brain can split attention into multiple 'spotlights' when focusing on two or more objects. This challenges traditional views on multitasking and suggests a more efficient way of processing information.

SourceMcGill University·JournalNeuron·DateDec 21, 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.

Study uncovers clues to what makes anesthetics work

Scientists have uncovered the intricacies of how inhalation anesthetics work in children and adults by studying C. elegans. The study found that specific potassium channels are crucial in this process and may be sensitive to potential reversal with certain medications.

SourceSeattle Children's·JournalCurrent Biology·DateDec 21, 2011

Supersized market economy, supersized belly: Wealthier nations have more fast food and more obesity

A study of 26 wealthy nations found that countries with a higher density of fast food restaurants per capita had much higher obesity rates compared to those with lower densities. Obesity rates in the US and Canada were significantly higher than in Japan and Norway, suggesting free market policies may have unintended side effects.

SourceUniversity of Michigan·JournalCritical Public Health·DateDec 21, 2011

Adult immunization needs to move up the health check list

A recent study found that less than 47% of adults are properly immunized for tetanus and 39% of those over 65 receive the pneumococcal vaccine. Dr. Vivien Brown advocates for moving immunization to the top of health checklists, with both doctors and patients taking responsibility for tracking vaccination records.

SourceMcMaster University·JournalCanadian Family Physician·DateDec 21, 2011

An ecosystem being transformed – Yellowstone 15 years after the return of wolves

A new report reveals that the reintroduction of wolves to Yellowstone National Park has led to a profound rebirth of life and ecosystem health. Trees and shrubs are beginning to recover along some streams, providing improved habitat for beaver and fish. Birds and bears also have more food available due to the decrease in elk populations.

SourceOregon State University·JournalBiological Conservation·DateDec 21, 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.

MIT research: Traditional social networks fueled Twitter's spread

Twitter's US growth relied on media attention and traditional social networks based on geographic proximity and socioeconomic similarity. The site's popularity spread via face-to-face interactions, with early adopters in cities close to Boston and San Francisco.

SourceMassachusetts Institute of Technology·JournalPLOS ONE·DateDec 21, 2011

NIST sensor improvement brings analysis method into mainstream

Researchers at NIST have developed a new device that can perform neutron interferometry in a much smaller space, increasing its sensitivity and speed. This innovation could enable the technique to be used in industries such as materials science and manufacturing.

SourceNational Institute of Standards and Technology (NIST)·JournalPhysical Review Letters·DateDec 21, 2011

Comprehensive study makes key findings of ocean pH variations

A comprehensive study of ocean acidification has made key findings, showing that some marine ecosystems are already experiencing acidity levels not predicted to occur until the end of the century. The study used sensors developed at Scripps Institution of Oceanography and found variability in seawater pH within and across ecosystems.

SourceUniversity of California - San Diego·JournalPLOS ONE·DateDec 21, 2011
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.

NOAA Research covered the globe in 2011

In 2011, NOAA researchers made significant discoveries about storm systems, oceanic and atmospheric research, and environmental threats. They found that human-caused aerosol increases linked to decreased monsoon rainfall in South Asia, while also improving weather forecasting capabilities.

SourceNOAA Headquarters·DateDec 21, 2011

How pregnancy changes a woman's brain

Research suggests that pregnancy's massive hormonal fluctuations prepare a woman's brain for motherhood, leading to improved stress tolerance and baby sensitivity. However, there may be costs to these changes, and more comprehensive studies are needed to develop interventions for at-risk mothers.

SourceAssociation for Psychological Science·JournalCurrent Directions in Psychological Science·DateDec 21, 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.

Rare genetic mutations linked to bipolar disorder

A recent study published in Neuron reveals that rare genetic mutations, specifically copy number variants, contribute significantly to the risk of early onset bipolar disorder. These findings suggest that de novo mutations play a crucial role in the development of the disease, which appears in childhood or early adulthood.

SourceUniversity of California - San Diego·JournalNeuron·DateDec 21, 2011

Autologous stem cell transplantation does not improve os in patients with follicular lymphoma

A systematic review and meta-analysis of randomized control trials found no improvement in overall survival for adult patients with advanced follicular lymphoma who received high-dose chemotherapy and ASCT compared to conventional-dose chemotherapy alone. The study concluded that HDC-ASCT is not effective as a primary treatment option.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateDec 21, 2011

UM researcher develops new way to assess risk for chemicals

A novel approach to analyze potential health hazards associated with pesticides and toxic chemicals has been proposed by a UM researcher. The new model can predict the likelihood of illness from chemical mixtures and reduces data requirements significantly.

SourceUniversity of Miami·JournalRisk Analysis·DateDec 21, 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.

UCLA neuroscientists demonstrate crucial advances in 'brain reading'

Researchers at UCLA's Laboratory of Integrative Neuroimaging Technology use functional MRI brain scans to study mental activity patterns. They employ computerized machine learning methods to identify cognitive states and anticipate neurocognitive changes similar to predictive text-entry for cell phones and Internet search engines.

SourceUniversity of California - Los Angeles·DateDec 21, 2011

Some 'low-gluten' beer contains high levels of gluten

A new study found that many commercial beers, including some labeled as low-gluten, contain significant levels of gluten. Two beers labeled 'low-gluten' had as much gluten as regular beer, highlighting the need for accurate testing.

SourceAmerican Chemical Society·JournalJournal of Proteome Research·DateDec 21, 2011

New research platform paves way for future bio-based society

The University of Copenhagen has launched a new research platform aiming to develop hybrid technologies for more efficient production of biofuels. The platform will test dual-purpose crops that can provide both food and biomass for fuel and chemicals, aiming to reduce the industry's reliance on oil.

SourceUniversity of Copenhagen·DateDec 21, 2011

Crowded emergency departments deliver less effective pain relief

A study by the University of Colorado School of Medicine found that crowded emergency departments lead to delayed and less effective pain management for children with acute long bone fractures. Patients were 4-47% less likely to receive timely care and 3-17% less likely to receive effective care when crowding was high.

SourceUniversity of Colorado Anschutz Medical Campus·JournalAcademic Emergency Medicine·DateDec 21, 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.

First Earth-sized planets found

Astronomers using NASA's Kepler mission have detected two Earth-sized planets, Kepler-20e and 20f, orbiting a G-type star. The discovery brings scientists closer to their goal of finding a twin Earth, with the planets expected to have rocky compositions and masses less than those of Earth.

SourceCenter for Astrophysics | Harvard & Smithsonian·JournalNature·DateDec 20, 2011

New device for rapid, mobile detection of brain injury

A research team has developed a handheld, mobile device capable of rapidly detecting brain injuries such as hematomas in patients with traumatic brain injuries. The device uses near-infrared imaging to detect changes in blood volume and can be used for quick screenings before more expensive imaging techniques.

SourceOptica·JournalBiomedical Optics Express·DateDec 20, 2011

$6.75 million awarded to Case Western Reserve to study IBD

Researchers at Case Western Reserve University School of Medicine received a $6.75 million grant to investigate the role of innate immunity in inflammatory bowel disease (IBD). They discovered a deficit in infection-fighting cells, leading to a buildup of harmful agents in the body.

SourceCase Western Reserve University·DateDec 20, 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.

To turn up the heat in chilies, just add water

Scientists found that hot chilies in dry areas produce fewer seeds due to reduced water efficiency, while non-pungent plants dominate in wetter regions where the fungus thrives. Pungency increases along a 185-mile line from dry to wetter regions.

SourceUniversity of Washington·DateDec 20, 2011

Glacial tap is open but the water will run dry

Glaciers are shrinking at a rapid pace, with water levels potentially decreasing by 30% during the dry season. The accelerated glacial retreat poses serious problems for millions of people dependent on the water for electricity, agriculture, and drinking water.

SourceMcGill University·JournalJournal of Glaciology·DateDec 20, 2011

Early dietary experience shapes salt preference of infants and preschoolers

Researchers found that infants who ate starchy table foods with added salt preferred salty taste at 6 months, consuming 55% more salt. At preschool age, these children were more likely to consume plain salt, demonstrating the enduring influence of early dietary exposure.

SourceMonell Chemical Senses Center·JournalAmerican Journal of Clinical Nutrition·DateDec 20, 2011

1 in 4 ministers were not affiliated with their party when they assumed their role

A study by Juan Rodríguez Teruel found that half of Spanish ministers are specialists in their field and have a university degree, challenging the notion of low ministerial qualifications. The study also revealed that most ministers hold power for short periods, often changing offices after three years or less.

SourceSpanish Foundation for Science and Technology·JournalRevista Española de Ciencia Política·DateDec 20, 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.

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.

'Head-first' diversity shown to drive vertebrate evolution

A new study found that vertebrate evolution exhibits 'head-first' diversity, where head features diversified before body shapes and types around extinction events. This discovery contradicts previous models of adaptive radiations, suggesting feeding-related pressures are the initial drivers of diversification.

SourceUniversity of Chicago Medical Center·DateDec 20, 2011

New tool offers unprecedented access for root studies

A new technology called RootChip enables scientists to analyze root tissue in intact live plants, revolutionizing the field of root studies. The device monitors real-time responses to environmental changes, revealing key insights into nutrient acquisition and carbon sequestration.

SourceCarnegie Institution for Science·JournalThe Plant Cell·DateDec 20, 2011

A single cell endoscope

Researchers developed a nanowire-based optical probe for single-cell endoscopy, overcoming the diffraction barrier in visible light microscopy. The endoscope can deliver genes, proteins, or therapeutic drugs into cells without damaging them.

SourceDOE/Lawrence Berkeley National Laboratory·JournalNature Nanotechnology·DateDec 20, 2011

Human skull study causes evolutionary headache

Researchers found that changes in one part of the skull were linked to changes throughout, challenging the idea of independent evolutionary events. The study used genealogical data and simulated shifts in skull shape associated with human evolution milestones.

SourceUniversity of Manchester·JournalEvolution·DateDec 20, 2011