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Science News Archive February 2014 - Page 6


Page 6 of 30

Stand-alone facility for organ retrieval is more efficient, less costly than hospital

A new study by transplant surgeons at Washington University School of Medicine found that moving organ donors from hospitals to a regional stand-alone facility significantly reduces costs and improves efficiency. The average cost of retrieving a liver dropped 37% after the change, while travel time for surgeons was reduced from 8 hours...

SourceWashU Medicine·JournalAmerican Journal of Transplantation·DateFeb 25, 2014

NHS Scotland reduces post-code lottery for hip replacement surgery

Scotland achieved a reduction in postcode lottery for hip replacement surgery through NHS expansion, improving geographical inequalities and increasing access to treatment. The Scottish government's decision to run the Golden Jubilee National Hospital as an NHS center contributed to these reductions.

SourceSAGE·JournalJournal of the Royal Society of Medicine·DateFeb 25, 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.

SA scientists debunk climate change myths

Scientists have disproven the assumption that tropical cyclone numbers are increasing due to global warming, and instead found they are shifting southward. Late-season frost is also not receding as quickly as flowering, threatening food security.

SourceUniversity of the Witwatersrand·JournalInternational Journal of Climatology·DateFeb 25, 2014

Magnetic medicine

Researchers trained immune cells of mice to fight melanoma using nanoparticles and magnetic fields, with treated tumors stopping growth and six out of eight mice surviving for over four weeks. The study uses artificial antigen-presenting cells to activate naive T cells, revealing a key difference in cancer-fighting cells.

SourceJohns Hopkins Medicine·JournalACS Nano·DateFeb 25, 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.

Researchers generate new neurons in brains, spinal cords of living adult mammals

Scientists at UT Southwestern Medical Center successfully generate new neurons from adult astrocytes in mice, offering hope for repairing traumatic brain injury or spinal cord damage. The two-step approach uses a transcription factor to reprogram scar-forming astrocytes into neurons, which then mature and persist for months.

SourceUT Southwestern Medical Center·JournalNature Communications·DateFeb 25, 2014

Tissue repair drug helps heal diabetic foot ulcers

A new tissue repair drug has been shown to improve healing rates for diabetic foot ulcers, reducing the risk of amputation. Patients treated with the drug were twice as likely to have their ulcers heal within eight weeks compared to those receiving a placebo.

SourceThe Endocrine Society·JournalThe Journal of Clinical Endocrinology & Metabolism·DateFeb 25, 2014

'How well did you sequence that genome?' NIST, consortium partners have answer

The NIST Genome in a Bottle consortium has developed reference materials for measuring DNA sequencing process accuracy, providing a 'meter stick of the genome'. These well-characterized, whole genome standards help laboratories assess their sequencing processes and minimize biases.

SourceNational Institute of Standards and Technology (NIST)·JournalNature Biotechnology·DateFeb 25, 2014

Phantom limb pain relieved when amputated arm is put back to work

Researchers have developed a new method to treat phantom limb pain, using muscle signals from the arm stump to drive an augmented reality system. The patient's pain was drastically reduced, and he now experiences periods of complete relief.

SourceChalmers University of Technology·JournalFrontiers in Neuroscience·DateFeb 25, 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.

Can babies learn to read? No, NYU study finds

Researchers at NYU's Steinhardt School of Culture, Education, and Human Development found no evidence that baby media products teach reading skills to infants. However, the study did reveal an undeniable effect on parents - their increased confidence in their children's vocabulary development

SourceNew York University·JournalJournal of Educational Psychology·DateFeb 25, 2014

Air Force aircraft returned from Vietnam is postwar source of Agent Orange contamination

A study by Columbia University's Mailman School of Public Health reveals that Air Force reservists who flew in dioxin-contaminated aircraft after the Vietnam War were exposed to higher levels of dioxin than previously acknowledged. The findings challenge the current position held by the Air Force and VA.

SourceColumbia University's Mailman School of Public Health·JournalEnvironmental Research·DateFeb 25, 2014

'Greener' aerogel technology holds potential for oil and chemical clean-up

Researchers at the University of Wisconsin-Madison have developed a sustainable aerogel material that can absorb oil and chemicals without absorbing water. The cellulose-based aerogel, made using an environmentally friendly process, has superior absorbing ability for organic solvents and metal ions.

SourceUniversity of Wisconsin-Madison·JournalJournal of Materials Chemistry A·DateFeb 25, 2014
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.

'Team of rivals' approach works for sparrows defending territories

Researchers found that male chipping sparrows form 'dear enemy' alliances with weaker neighbors to prevent stronger rivals from moving in. In a surprise discovery, these coalitions were shown to be rare and often based on specific vocal relationships.

SourceUniversity of Massachusetts Amherst·JournalBiology Letters·DateFeb 25, 2014
Apple iPhone 17 Pro

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

New clues found to preventing lung transplant rejection

Researchers found that memory T cells play a crucial role in lung transplant acceptance, suggesting that current immune-suppression strategies may contribute to organ rejection. The study aims to develop new strategies to selectively target immunosuppression in lung transplants and boost the ability of memory T cells.

SourceWashU Medicine·JournalJournal of Clinical Investigation·DateFeb 25, 2014

Analysis: 32 years of US filicide arrests

A study of US filicide arrests over 32 years found that men are as likely to kill infants as women, and stepchildren are not more likely than biological children to die at their parents' hands. The data also revealed that fathers were more likely to be the alleged murderers of adult children.

SourceBrown University·JournalForensic Science International·DateFeb 25, 2014

Ecotoxicity: All clear for silver nanoparticles?

Recent research by Eawag and EPFL suggests that silver nanoparticles are not toxic to certain types of algae, which can survive even low concentrations of silver ions. However, this finding raises concerns about the potential impact on higher organisms, such as fish and other aquatic life.

SourceEcole Polytechnique Fédérale de Lausanne·JournalProceedings of the National Academy of Sciences·DateFeb 25, 2014

Climate engineering: Minor potential, major side effects

Researchers at GEOMAR found that large-scale climate intervention methods have limited benefits and significant side effects, such as accelerated global warming. The study's results highlight the need for careful consideration of the potential social, political, legal, and ethical implications of proposed climate engineering methods.

SourceHelmholtz Centre for Ocean Research Kiel (GEOMAR)·JournalNature Communications·DateFeb 25, 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.

Novel blood screen reveals risk of dying among healthy people

Researchers have identified four biomarkers in blood samples that can predict mortality from any disease within five years. The study used NMR spectroscopy to analyze over 17,000 healthy individuals and found that these biomarkers were independent of traditional risk factors, indicating a general frailty in the body.

SourceUniversity of Helsinki·JournalPLOS Medicine·DateFeb 25, 2014

MERS virus widespread in Saudi Arabian camels

A study found that MERS-CoV is prevalent in camels throughout Saudi Arabia, with antibodies detected in 74% of camels and active virus in 35% of young camels. The virus likely spreads through respiratory secretions.

SourceAmerican Society for Microbiology·JournalmBio·DateFeb 25, 2014
Fluke 87V Industrial Digital Multimeter

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

Abdominal fat accumulation prevented by unsaturated fat

A study of 39 young adults found that consuming polyunsaturated fat resulted in less body fat and more muscle mass than consuming saturated fat. This is significant for preventing obesity-related disorders like type-2 diabetes, as it suggests that a diet rich in unsaturated fats may help regulate fat distribution.

SourceUppsala University·JournalDiabetes·DateFeb 24, 2014

New biological scaffold offers promising foundation for engineered tissues

Researchers have created a highly aligned nanofibrous scaffold derived from decellularized human fibroblasts, allowing cells to thrive and mimic the natural extracellular matrix. The scaffold's uniform composition and low immune response make it suitable for engineering softer tissues like skin, blood vessels, and muscle.

SourceMichigan Technological University·JournalAdvanced Functional Materials·DateFeb 24, 2014

Acupuncture holds promise for treating inflammatory disease

A Rutgers-led study finds acupuncture can reduce inflammation and organ injury in septic mice, with half surviving for at least a week. The treatment also triggers increased levels of dopamine, which may help alleviate other inflammatory diseases like arthritis and Crohn's disease.

SourceRutgers University·JournalNature Medicine·DateFeb 24, 2014

WSU researcher creates cooking-oil-based 'bioasphalt'

A WSU researcher has developed a novel asphalt made from waste cooking oil, reducing costs by under $200 per ton. The bioasphalt is expected to be as durable as petroleum-based alternatives, with potential applications in construction of roads and highways nationwide.

SourceWashington State University·DateFeb 24, 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.

Now in 3-D: Video of virus-sized particle trying to enter cell

Scientists at Princeton University have created a 3D video of a virus-like particle attempting to enter a cell, revealing unprecedented details about the interaction. The technique developed could help deliver drugs via nanoparticles and prevent viral infections.

SourcePrinceton University·JournalNature Nanotechnology·DateFeb 24, 2014

Water is detected in a planet outside our solar system

A team of scientists at Penn State University has detected water vapor in the atmosphere of a hot-Jupiter exoplanet, tau Boötis b. This discovery could help researchers understand how many planets like Earth exist throughout the universe and provides new insights into the formation and evolution of exotic hot-Jupiter planets.

SourcePenn State·JournalThe Astrophysical Journal Letters·DateFeb 24, 2014

Gauging what it takes to heal a disaster-ravaged forest

A research team from Michigan State University studied the recovery of forests and bamboo groves in the Wolong Nature Reserve, China, after a devastating earthquake. They found that many areas were on the road to recovery, with replanting efforts helping in areas with poor soil conditions.

SourceMichigan State University·JournalForest Ecology and Management·DateFeb 24, 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.

On the road to Mottronics

Scientists at Lawrence Berkeley National Laboratory's Advanced Light Source have demonstrated the ability to control the conducting/insulating phases of ultra-thin films of Mott materials using epitaxial strain. This breakthrough could lead to more efficient transistors and memories with higher energy efficiencies and faster switching ...

SourceDOE/Lawrence Berkeley National Laboratory·JournalNature Communications·DateFeb 24, 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.

Mental health conditions in most suicide victims left undiagnosed at doctor visits

A national study led by Henry Ford Health System found that 83% of people who commit suicide receive medical care in the year prior to their death, but only 45% receive a mental health diagnosis. The study emphasizes the need for healthcare providers to identify and treat patients at risk of suicidal thoughts.

SourceHenry Ford Health·JournalJournal of General Internal Medicine·DateFeb 24, 2014

JCI early table of contents for Feb. 24, 2014

Researchers found that PPAR-γ agonists can reverse emphysema development despite continuous exposure to cigarette smoke. Additionally, a compound enhancing glutamate uptake improved ALS symptoms and extended lifespan in mice. Increased autophagy also contributed to BRAF inhibitor resistance in melanoma patients.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateFeb 24, 2014

JCI online ahead of print table of contents for Feb. 24, 2014

Researchers evaluated the effectiveness and safety of an anti-FGF23 antibody in patients with X-linked hypophosphatemia, finding improved renal phosphate reabsorption and increased serum phosphate levels. Additionally, studies on natural killer cells suggest that targeting specific ligands may enhance cancer therapies by protecting tum...

SourceJCI Journals·JournalJournal of Clinical Investigation·DateFeb 24, 2014

McMaster researchers discover secret of bowel movement

Researchers clear up mystery of bowel movement, finding that segmentation motion occurs when two sets of pacemakers interact to create a specific rhythm. This discovery provides direction for developing drugs or nutrients to combat disorders like diarrhea and constipation.

SourceMcMaster University·JournalNature Communications·DateFeb 24, 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.

AGU: Uncovering the secret world of the Plastisphere

Researchers have discovered that the Plastisphere, a community of microorganisms living on ocean plastic, can pose significant risks to invertebrates and humans. The study found that certain bacteria thrive on these plastic islands and may cause diseases in animals and humans.

SourceAmerican Geophysical Union·DateFeb 24, 2014

Researchers find flowing water can slow down bacteria

Researchers found that flowing water impeds bacterial movement, making microbes more likely to attach to surfaces. This discovery has implications for studying marine ecosystems and preventing infections in medical devices.

SourceMassachusetts Institute of Technology·JournalNature Physics·DateFeb 24, 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.

Mood and food: The better your mood, the better you eat

Studies showed that individuals in good moods make healthier food choices due to future health benefits, while those in bad moods focus on immediate taste and sensory experience. Temporal construal also plays a role, with trying to focus on the past reducing indulgent food consumption.

SourceCornell Food & Brand Lab·JournalJournal of Consumer Psychology·DateFeb 24, 2014

Vegetarian diets associated with lower blood pressure

Eating a vegetarian diet is linked to reduced systolic and diastolic blood pressure compared to omnivorous diets. The analysis of 39 studies found that vegetarian diets can be an effective strategy for preventing and managing hypertension.

SourceJAMA Network·JournalJAMA Internal Medicine·DateFeb 24, 2014

New study supports body shape index as predictor of mortality

A new study published in PLOS ONE found that the Body Shape Index (ABSI) is a strong indicator of mortality hazard, surpassing traditional measures like Body Mass Index (BMI). The research analyzed data from over 7,000 adults and showed that ABSI was closely linked to increased death rates.

SourceCity College of New York·JournalPLOS ONE·DateFeb 24, 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.

New study settles how social understanding is performed by the brain

Researchers demonstrate a clear causal effect of the mirror system on social understanding, finding that areas involved in action production also contribute to understanding others' actions. The study uses innovative magnetic stimulation techniques to reveal the brain's role in social cognition.

SourceAarhus University·JournalPsychological Science·DateFeb 24, 2014

New risk gene illuminates Alzheimer's disease

A new gene has been isolated that plays a causal role in the development of Alzheimer's disease. The gene affects amyloid-beta protein accumulation, leading to brain damage and disease progression. This breakthrough could lead to new avenues for therapeutic design and early detection methods.

SourceSimon Fraser University·JournalProceedings of the National Academy of Sciences·DateFeb 24, 2014

Marine algae can sense the rainbow

A new study revealed that marine algae can detect a range of colors beyond red light, allowing them to adapt to changing environments. This innovation has significant implications for understanding photosynthetic life and potentially improving food production by teaching crops to grow in various light conditions.

SourceCIFAR·JournalProceedings of the National Academy of Sciences·DateFeb 24, 2014

New digital atlas details Alaska sea ice history since 1860

A new digital atlas details historical sea ice concentration data in Alaska's Beaufort, Chukchi, and Bering seas from 1850 to the present. The atlas provides a reliable tool for researchers to evaluate climate change impacts and offers users interactive features to explore historical trends.

SourceNOAA Headquarters·DateFeb 24, 2014
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.

Creating animated characters outdoors

Researchers from Saarland University have developed a method to capture actors' movements and transfer them to virtual characters in near real-time. This technology allows for more efficient and user-friendly motion capturing, enabling the creation of animated characters outdoors without markers.

SourceSaarland University·DateFeb 24, 2014