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Science News Archive December 2014 - Page 20


Page 20 of 28

New technique could harvest more of the sun's energy

Researchers at Caltech have developed a new technology to absorb and utilize infrared light, often lost in traditional solar panels. This breakthrough could lead to more efficient solar cells and sensors that detect light using electrostatic potential.

SourceCalifornia Institute of Technology·DateDec 8, 2014

Scientists discover brain mechanism that drives us to eat glucose

A team at Imperial College London identified a brain mechanism that senses glucose levels and prompts animals to seek more if it detects a shortfall. The researchers believe this mechanism may play a role in humans' preference for sweet and starchy foods.

SourceImperial College London·JournalJournal of Clinical Investigation·DateDec 8, 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.

A pill for obesity?

Researchers at Harvard University have developed a system using human stem cells to screen for compounds that can turn white, or 'bad', fat cells into brown, or 'good' fat cells. They have identified two compounds that can accomplish this in human cells, taking the first step towards a potential pill for obesity treatment.

SourceHarvard University·JournalNature Cell Biology·DateDec 8, 2014

NIH initiates 'Centers Without Walls' to study sudden unexpected death in epilepsy

The National Institute of Neurological Disorders and Stroke has launched the Centers Without Walls initiative to study Sudden Unexpected Death in Epilepsy (SUDEP), which affects 1 out of 1000 people with epilepsy annually. The project aims to identify risk factors and potential therapeutic targets to prevent SUDEP.

SourceNIH/National Institute of Neurological Disorders and Stroke·DateDec 8, 2014

Two papers in Health Affairs expose gaps in health coverage for children, recommend solutions

Two Health Affairs papers expose gaps in health coverage for children and recommend solutions. The studies focus on the Affordable Care Act's essential health benefit standard, which has resulted in a state-by-state patchwork of coverage with significant exclusions for children with developmental disabilities.

SourceGeorge Washington University Milken Institute School of Public Health·JournalHealth Affairs·DateDec 8, 2014

Blocking receptor in brain's immune cells counters Alzheimer's in mice

Researchers at Stanford University School of Medicine found that blocking a single molecule on microglia restored their function, reversing memory loss and other Alzheimer's-like features in mice. The study suggests that microglia play a crucial role in clearing A-beta protein clusters, which contribute to the disease's progression.

SourceStanford Medicine·JournalJournal of Clinical Investigation·DateDec 8, 2014
Apple iPhone 17 Pro

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

How pace of climate change will challenge ectotherms

Climate change is expected to surpass ectotherms' capacity for acclimation, leading to catastrophic consequences for biodiversity. The rapid fluctuations in temperature will require animals to function across a broader range of conditions.

SourceUniversity of Sydney·JournalNature Climate Change·DateDec 8, 2014

Hookah pipes, smokeless tobacco snus associated with smoking onset

A study found that hookah pipe tobacco use and smokeless tobacco snus were associated with an increased risk of cigarette smoking among teenagers and young adults. The study also showed that individuals who used these products had a higher likelihood of becoming current or high-intensity smokers.

SourceJAMA Network·JournalJAMA Pediatrics·DateDec 8, 2014

High level engagement in comment sections can curb internet trolling

A recent study found that having a journalist engage with commenters can reduce incivility and increase the use of evidence in comments. The researchers partnered with a local television news station and conducted an experiment using its Facebook community, resulting in a statistically significant effect on the tone of the comments.

SourceInternational Communication Association·JournalJournal of Computer-Mediated Communication·DateDec 8, 2014

Drawing lessons from Philadelphia's large-scale ob unit closures

A new study from Children's Hospital of Philadelphia highlights the need for better planning to improve mother-infant outcomes, reduce stress on health systems, and staff morale. The researchers found that dramatic surges in delivery volume led to overcrowding, understaffing, and fragmented care.

SourceChildren's Hospital of Philadelphia·JournalHealth Affairs·DateDec 8, 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.

Major complications after abortion are extremely rare, study shows

A comprehensive analysis of post-abortion care found major complications occurring in under 1% of cases, with rates varying by age and abortion method. The study suggests that current regulations may be unnecessary, calling into question the need for additional safety measures.

SourceUniversity of California - San Francisco·JournalObstetrics and Gynecology·DateDec 8, 2014

Confounding factors contribute to unexpected results of trial of renal denervation

A new analysis of the SYMPLICITY HTN-3 trial reveals that variations in renal denervation procedure performance and patient medication changes significantly impacted blood pressure reduction outcomes. The study suggests that a higher number of ablations and specific procedural patterns may be key to achieving effective denervation.

SourceEuropean Society of Cardiology·JournalEuropean Heart Journal·DateDec 8, 2014

Public servants are individually motivated to help environment

A new study by the University of Georgia found that public servants are motivated to contribute to environmental causes through discretionary eco-friendly initiatives. The researchers identified three key drivers of these behaviors: public service motivation, organizational commitment, and environmental connectedness.

SourceUniversity of Georgia·JournalThe American Review of Public Administration·DateDec 8, 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.

Is natural gas a 'bridge' to a hotter future?

Researchers found that natural gas power plants are more efficient than coal plants, producing less warming in the long term. However, significant methane leakage can offset this benefit, making them comparable to coal plants in terms of climate impact. To mitigate this, carbon capture and storage methods may be necessary.

SourceCarnegie Institution for Science·JournalEnvironmental Research Letters·DateDec 8, 2014

Wind farms to do not affect property values, study finds

A new study from the University of Guelph analyzed over 7,000 home and farm sales in Ontario and found that wind farms have no statistically significant impact on property values. The research used a unique method to capture property value fluctuations before, during, and after wind farm development.

SourceUniversity of Guelph·JournalCanadian Journal of Agricultural Economics/Revue canadienne d agroeconomie·DateDec 8, 2014

Organic mulch lets insect pollinators do their job

New research from The Ohio State University found that a combination of shredded newspaper and grass clippings is an effective mulch material, allowing squash bees to nest without negative impacts. This eco-friendly practice also improves plant growth and fruit production.

SourceAmerican Society for Horticultural Science·JournalHortTechnology·DateDec 8, 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.

Pricing for new drugs lacks transparency

Market-access agreements for anti-cancer drugs lack transparency, leading to higher prices for patients in small and low-income countries. The financial arrangements between pharmaceutical manufacturers and health systems are kept confidential, making it difficult for these countries to negotiate lower prices.

SourceSAGE·JournalJournal of the Royal Society of Medicine·DateDec 8, 2014

Machine harvesting may increase apple supply for hard cider market

A new study compares machine and hand harvest techniques for specialty cider apples, finding that machine harvesting requires significantly less labor and increases apple yield. The research suggests that machine harvesting could be a viable option for US apple growers to meet growing demand for hard cider.

SourceAmerican Society for Horticultural Science·JournalHortTechnology·DateDec 8, 2014

Targeting microRNA may benefit some ovarian and breast cancer patients

Researchers at MD Anderson Cancer Center discovered that targeting the non-coding microRNA miR569 can increase cell death in ovarian and breast cancers. The study also found that silencing miR569 expression improves survivability outcomes for ovarian patients.

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalCancer Cell·DateDec 8, 2014

Rapid Ebola test is focus of NIH grant to Rutgers scientist

A Rutgers researcher has received a $640,000 NIH grant to develop a rapid Ebola test that can be used in remote locations where the disease has spread. The test, modeled after an existing tuberculosis test, will diagnose patients quickly and accurately, reducing the need for isolation and treatment delays.

SourceRutgers University·DateDec 8, 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.

Biomimetic dew harvesters

Researchers have discovered how a desert beetle collects dew on its back, which could lead to improved water yield in man-made dew condensers. The beetle's unique nanostructure allows for near-perfect infrared emissivity, enabling efficient cooling and dew formation.

SourceSpringer·JournalThe European Physical Journal E·DateDec 8, 2014

MCW researchers find link between sleep deprivation and cell damage

Scientists at MCW found a link between sleep loss and cell injury, particularly in the liver, lung, and small intestine. Recovery sleep from deprivation restores balance and decreases cell injury, elucidating previous research on sleep abnormalities as risk factors for diseases like cardiovascular disease and cancer.

SourceMedical College of Wisconsin·JournalSLEEP·DateDec 8, 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.

Combination therapy shown as effective for higher-risk MDS/AML patients

A phase two study demonstrated that a combination of azacitidine and lenalidomide is an effective frontline treatment regimen for patients with higher-risk forms of myelodysplastic syndrome and acute myeloid leukemia. The therapy was well tolerated in the study of 88 patients.

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalBlood·DateDec 7, 2014

Researchers at Mainz University explore new approach for treating Alzheimer's disease

Researchers at Mainz University have discovered that a psoriasis medication may be effective in treating Alzheimer's disease by stimulating the activity of the enzyme ADAM10, which could lead to reduced accumulation of Alzheimer's plaques. The medication was well-tolerated and showed promise in enhancing learning and memory capacity.

SourceJohannes Gutenberg Universitaet Mainz·JournalNeurology·DateDec 7, 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.

Study shows improved survival in aggressive acute myeloid leukemia

A phase three study has demonstrated increased survival rates among AML patients who relapse, with combination therapy employing cytarabine and vosaroxin showing significant benefits. Patients over 60 years old experienced the greatest overall survival benefit from the treatment.

SourceUniversity of Texas M. D. Anderson Cancer Center·DateDec 7, 2014

Oral inhibitor shows clinical activity in poor-prognosis AML

A phase 2 multicenter trial of ABT-199 found encouraging results in patients with relapsed or resistant acute myelogenous leukemia, with five patients achieving eradication and several more experiencing stable disease. The oral inhibitor targets the BCL-2 protein, which is linked to resistance and poor prognosis in AML patients.

SourceDana-Farber Cancer Institute·DateDec 7, 2014

Young adults with ALL benefit from therapies developed for children

A recent clinical trial found that young adults with acute lymphoblastic leukemia (ALL) who received high-intensity pediatric protocols had better overall survival rates, with 78% achieving overall survival and 66% maintaining event-free survival. This is a significant improvement over previous studies for this age range.

SourceUniversity of Chicago Medical Center·DateDec 7, 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.

Study shows new kind of targeted drug has promise for leukemia patients

In an early-phase clinical trial, a new type of cancer therapy targeting the IDH2 gene produced dramatic results in patients with advanced leukemia. The study found that AG-221 blocked the mutated protein, allowing immature white blood cells to develop normally and leading to complete or partial remissions.

SourceMemorial Sloan Kettering Cancer Center·DateDec 7, 2014

Finding the Achilles' heel of GaN-based LEDs in harsh radiation environments

Researchers investigated GaN-based LED structure irradiation with protons and found increased resistance in p-type GaN layers compared to n-type. The observed increase is attributed to lower initial carrier density in p-type GaN, resulting from inadequate doping technology.

SourceToyohashi University of Technology (TUT)·JournalIEICE Transactions on Electronics·DateDec 7, 2014

Penn researchers announce latest results of investigational cellular therapy

The latest trial results show a response rate of over 90% among pediatric acute lymphoblastic leukemia patients, with complete responses in 92% and remission rates of 70%. The therapy also demonstrates promise for non-Hodgkin lymphomas, including a 100% response rate in follicular lymphoma patients.

SourceUniversity of Pennsylvania School of Medicine·DateDec 7, 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.

New study identifies first gene associated with familial glioma

Researchers have identified a gene associated with familial glioma, suggesting that certain individuals may be genetically predisposed to the disease. The POT1 gene mutation is linked to lower-grade oligodendroglioma, which is more sensitive to radiation therapy, and raises hopes for improved treatments and preventive strategies.

SourceBaylor College of Medicine·JournalJNCI Journal of the National Cancer Institute·DateDec 7, 2014

Circulating RNA may provide prognostic tool for multiple myeloma

A study by Dana-Farber Cancer Institute researchers found that levels of two microRNAs, let-7e and 106b/25, can predict progression-free survival in multiple myeloma patients. The study suggests that these microRNAs may also help doctors determine which patients are likely to have the best responses to different types of therapy.

SourceDana-Farber Cancer Institute·DateDec 6, 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.

Benefits persist in T cell therapy for children with relapsed leukemia

A pilot study shows that 92% of children with relapsed leukemia respond to bioengineered T cells, with some patients remaining cancer-free for over two years. The personalized therapy offers the potential for long-term success in treating this highly aggressive form of acute lymphoblastic leukemia.

SourceChildren's Hospital of Philadelphia·DateDec 6, 2014

Studies show immunotherapy drugs improve outcomes in Hodgkin lymphoma patients

Studies presented at the ASH Annual Meeting show that immunotherapy drugs pembrolizumab and nivolumab are producing dramatic responses in Classical Hodgkin lymphoma patients. These results are promising for patients with few treatment options left, highlighting the potential of immunotherapies to work in various types of cancer.

SourceMemorial Sloan Kettering Cancer Center·JournalNew England Journal of Medicine·DateDec 6, 2014

Positive study data could improve standard of care for Hodgkin lymphoma patients

A late-stage clinical trial demonstrated that brentuximab vedotin can improve progression-free survival and overall survival in patients with relapsed or refractory Hodgkin lymphoma after autologous stem cell transplant. The study showed a 20% improvement in progression-free survival rate and high response rates among patients.

SourceMemorial Sloan Kettering Cancer Center·DateDec 6, 2014
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.

BGRF to present new data at the second BDSM Congress in Oxford

The Biogerontology Research Foundation will present new economic longevity research at the second Big Data Science in Medicine congress in Oxford. The research, recently published in Psychology Research and Behavior Management, details an extensive survey of International Employee Benefits Association members.

SourceBiogerontology Research Foundation·JournalPsychology Research and Behavior Management·DateDec 5, 2014

Malnutrition is predictor of long-term survival in patients undergoing Whipple procedure

A new study finds that malnutrition is an independent predictor of long-term survival in geriatric patients undergoing the Whipple procedure. Geriatric patients with preoperative severe nutritional risk had significantly decreased long-term survival, while those without SNR had a seven-year survival rate of 84 percent.

SourceAmerican College of Surgeons·JournalJournal of the American College of Surgeons·DateDec 5, 2014

Obesity -- like father, like son

A study found that a sugary diet before mating triggers obesity in offspring, while certain gene networks predict susceptibility to weight gain. The researchers also identified similar mechanisms in humans and mice.

SourceMax-Planck-Gesellschaft·JournalCell·DateDec 5, 2014

Ku Klux Klan's lasting legacy on the US political system

A recent study by Brandeis University researchers found that KKK activity in the 1960s shifted voters' allegiance from Democratic to Republican in the South, a trend still evident today. The study suggests that racial attitudes and social movements can have lasting effects on politics, contributing to polarization.

SourceBrandeis University·JournalAmerican Sociological Review·DateDec 5, 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.

HURL and NOAA team discover intact 'ghost ship' off Hawai'i

Researchers from HURL and NOAA team discover the USS Kailua, a historic cable ship that served in World War II, sitting upright in 2,000 feet of water nearly 20 miles off Oahu's coast. The ship was surprisingly intact for its age, with well-preserved upper deck structures and no signs of torpedo damage.

SourceUniversity of Hawaii at Manoa·DateDec 5, 2014

Utah study: Mindfulness intervention boosts brain activation for healthy pleasures

A new study published in the Journal of Behavioral Medicine found that Mindfulness-Oriented Recovery Enhancement (MORE) increases brain activation to natural healthy pleasures, reducing opioid cravings. Participants who received eight weeks of MORE instruction exhibited increased brain activity in response to enjoyable experiences.

SourceUniversity of Utah Health·JournalJournal of Behavioral Medicine·DateDec 5, 2014