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Science News Archive November 2013 - Page 14


Page 14 of 30

Reading the pancreas through the eye

Swedish researchers have found a way to study glucose regulation by transplanting pancreas cells into the eye, allowing for monitoring of insulin-producing beta-cells and identification of new drug substances. This innovative method could lead to personalized treatment principles and diagnosis of pancreatic problems.

SourceKarolinska Institutet·JournalProceedings of the National Academy of Sciences·DateNov 18, 2013

Study reveals potential breakthrough in hearing technology

Researchers at Ohio State University have developed a potential breakthrough in solving the 'cocktail party problem' by using neural networks to filter out background noise. The technology improves comprehension for the hearing-impaired, with scores increasing from 10% to 90%, and is being commercialized for license.

SourceOhio State University·JournalThe Journal of the Acoustical Society of America·DateNov 18, 2013

Atrial fibrillation hospitalizations, costs soar in United States

Hospitalizations for atrial fibrillation in the US nearly doubled from 4.6 million in 1998 to 9.2 million in 2010, with a 46% increase over the decade. Researchers project a similar trend through 2020, with 541,000 hospitalizations expected by 2020. The estimated cost of hospitalizations is also projected to rise by 55% from 2010.

SourceAmerican Heart Association·DateNov 18, 2013
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.

Optimizing electronic correlations for superconductivity

Researchers found that two types of iron-based superconductors employ similar coupling between electrons in their superconducting state. Understanding this mechanism may help create even better superconductors with higher transition temperatures.

SourceRice University·JournalNature Communications·DateNov 18, 2013
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.

Consistent bed time and wake time linked to healthier weight

Research by Brigham Young University suggests that a consistent bedtime and wake time can lead to lower body fat. The study found that those with the best sleeping habits had healthier weights, with quality sleep being an important factor in body composition.

SourceBrigham Young University·JournalAmerican Journal of Health Promotion·DateNov 18, 2013

Multilevel study finds no link between minimum wage and crime rates

A new multilevel study examines the relationship between minimum wage increases and crime rates, concluding that higher wages do not lower violent or property crime. The researchers analyzed data from 18 states that raised their minimum wage above federal standards and found no significant change in crime rates.

SourceUniversity of Cincinnati·DateNov 18, 2013
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.

Protein coding 'junk genes' may be linked to cancer

Researchers at Karolinska Institutet have discovered nearly one hundred novel human gene regions that code for proteins, including pseudogenes linked to cancer. The study uses a new proteogenomics method to track down protein-coding genes in the remaining 98.5% of the genome.

SourceKarolinska Institutet·JournalNature Methods·DateNov 17, 2013

Columbia engineers make world's smallest FM radio transmitter

A team of Columbia researchers has developed a nano-mechanical system that can create FM signals, paving the way for more efficient cell phones and wireless communication. The device uses graphene's unique properties to tune frequency and overcome size limitations.

SourceColumbia University·JournalNature Nanotechnology·DateNov 17, 2013

Texting heart medication reminders improved patient adherence

A 30-day, randomized controlled trial found that customized text education messages and medication reminders increased correct dose-taking and on-schedule dosing among coronary heart disease patients. The study suggests innovative technologies like mHealth can effectively promote medication adherence.

SourceAmerican Heart Association·DateNov 17, 2013
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.

Volcano discovered smoldering under a kilometer of ice in West Antarctica

A team of scientists has discovered a volcano hidden beneath a kilometer of ice in West Antarctica, sparking concerns about its potential impact on the continent's major ice streams. The volcano, located approximately 25-40 kilometers below the surface, is believed to be fueled by a hot spot in the Earth's mantle.

SourceWashington University in St. Louis·JournalNature Geoscience·DateNov 17, 2013

Method to estimate LDL-C may provide more accurate risk classification

A novel method to estimate LDL-C levels has been developed, providing more accurate risk classification for heart disease. The new approach uses a larger database of lipid profiles and applies an adjustable factor for triglyceride levels, resulting in improved accuracy, especially for patients with elevated triglyceride concentrations.

SourceJAMA Network·JournalJAMA·DateNov 17, 2013

Scientists fingerprint single cancer cells to map cancer's family tree

Researchers used DNA sequencing to create a family tree for individual cancer cells, revealing unique branching patterns and distinct sub-populations. This technique could help identify key mutations driving tumor growth and develop targeted treatments more effectively.

SourceInstitute of Cancer Research·JournalGenome Research·DateNov 17, 2013
Apple iPhone 17 Pro

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

Heart disease no. 1 cause of pregnancy-related deaths in California

Research found that heart disease accounted for approximately one-quarter of pregnancy-related deaths in California between 2002-2005. Women who died from cardiac causes were more likely to be African-American or obese, and often had undiagnosed high blood pressure during their pregnancies.

SourceAmerican Heart Association·DateNov 17, 2013

Oxygen, phosphorous and early life on Earth

A two-billion-year-old rock formation in Russia reveals that sulfur bacteria played a crucial role in distributing phosphorous during the oxygenation of the Earth. The discovery suggests that the establishment of these bacterial habitats triggered the formation of earliest worldwide phosphorites.

SourceGFZ GeoForschungsZentrum Potsdam, Helmholtz Centre·JournalNature Geoscience·DateNov 17, 2013

2 for 1 in solar power

A recent study published in Nature Chemistry shows that singlet fission can be controlled by interacting molecules, leading to a doubling of current in solar cells. The researchers used laser experiments and chemical methods to slow down the process and observe key intermediate steps.

SourceUniversity of Cambridge·JournalNature Chemistry·DateNov 17, 2013

Study compares outcomes of device for chest compressions vs manual CPR

A multicenter clinical trial compared mechanical chest compressions with manual CPR and found that neither approach improved 4-hour survival rates. However, patients receiving mechanical chest compressions had a higher proportion of survivors with good neurological outcomes, suggesting potential benefits in specific patient populations.

SourceJAMA Network·JournalJAMA·DateNov 17, 2013
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.

Novel study charts aggressive prostate cancer

Researchers have identified large oncosomes as a potential indicator of patients with more aggressive, treatment-resistant disease. The study also found that microRNA in these vesicles can influence tumor progression.

SourceCedars-Sinai Medical Center·JournalCell Cycle·DateNov 17, 2013

Evidence found for granite on Mars

Researchers found rich deposits of feldspar, a mineral common in granite, in an ancient Martian volcano. The discovery suggests prolonged magmatic activity on Mars, leading to the formation of granite-like rocks, challenging previous assumptions about Martian geology.

SourceGeorgia Institute of Technology·JournalNature Geoscience·DateNov 17, 2013

Hybrid heart valve is strong, durable in early tests

Researchers created a three-dimensional cell culture with layers of smooth muscle, connective tissue, and lining cells embedded within a nickel-titanium alloy scaffold. The hybrid heart valve performed well in a heart simulator, opening and closing under various pressures without structural vulnerability.

SourceAmerican Heart Association·DateNov 17, 2013

'Virtual reality hands' may help stroke survivors recover hand function

A small study presented at American Heart Association's Scientific Sessions 2013 found that virtual reality hands controlled by stroke survivors' thoughts can help them recover use of their arms and hands. Patients achieved 81% accuracy in using the virtual hands to reach out, improving skills in just three experimental sessions.

SourceAmerican Heart Association·DateNov 17, 2013

Drug shows early promise in treating seizures

A study published in Nature Medicine suggests a potential new treatment for seizures caused by high levels of ammonia in the blood. Bumetanide, a diuretic drug used to treat high blood pressure, has been found to restore normal electrical activity in the brains of mice with genetic metabolic disorders and prevent seizures.

SourceUniversity of Rochester Medical Center·JournalNature Medicine·DateNov 17, 2013
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.

Graphene nanoribbons for 'reading' DNA

EPFL researchers have developed a new method for detecting individual DNA molecules using graphene nanoribbons, offering improved precision and potential for DNA sequencing. The technology has the potential to detect other types of proteins and provide information on their size and shape.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature Nanotechnology·DateNov 17, 2013

Weight reduction decreases atrial fibrillation and symptom severity

A structured weight reduction program significantly reduced atrial fibrillation symptoms, episodes, and cumulative duration in minutes compared to a control group. Patients who participated in the weight management program experienced greater reductions in weight and cardiometabolic risk factors.

SourceJAMA Network·JournalJAMA·DateNov 17, 2013
Fluke 87V Industrial Digital Multimeter

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

Early statin therapy helps kids with inherited high cholesterol

Researchers evaluated the effectiveness of early statin therapy in children with familial hypercholesterolemia and found that it significantly reduced coronary heart disease survival rates. After 10 years, young adult patients who received statins from childhood had not suffered from cardiovascular complaints.

SourceAmerican Heart Association·DateNov 17, 2013

Novel gene variant found in severe childhood asthma

A novel gene variant associated with severe childhood asthma has been discovered through a genome-wide association study. The study found that the CDHR3 gene is particularly active in epithelial cells lining airways and may disrupt normal functioning, leading to increased risk of asthma.

SourceChildren's Hospital of Philadelphia·JournalNature Genetics·DateNov 17, 2013

Researchers capture structure of key part of deadly Nipah virus

Scientists have solved the structure of a key protein in the Nipah virus, which could lead to the development of an antiviral drug. The discovery was made by a team at the Scripps Research Institute and found similarities with measles and mumps viruses.

SourceScripps Research Institute·JournalJournal of Virology·DateNov 17, 2013

Physical fitness improves survival, prevents some heart attacks

A new study by Johns Hopkins Medicine found that higher levels of physical fitness lower the risk of having heart attacks and increase survival in those with coronary artery disease. The study included over 9,800 adults with coronary artery disease and showed a 75% lower risk of dying from any cause among the fittest patients.

SourceJohns Hopkins Medicine·DateNov 17, 2013
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.

Environmental toxins linked to heart defects

Research suggests that exposure to specific environmental toxins during pregnancy may increase the risk of congenital heart defects in children. The study found a strong correlation between certain chemicals and rates of congenital heart defects, particularly septal defects and conotruncal defects.

SourceAmerican Heart Association·DateNov 17, 2013

Paths out of uncertainty

The study reveals that natural fluctuations in the climate system are the primary cause of differences in short and medium-term projections. Despite this, researchers have found ways to make predictions about local climate extremes for certain regions and large areas, highlighting the importance of considering regional variability.

SourceETH Zurich·JournalNature Climate Change·DateNov 17, 2013

Childhood cancer treatment takes toll on hearts of survivors

Research shows childhood cancer survivors are more likely to experience premature heart disease and a decline in arterial function, with a 9% decrease in arterial health seen among leukemia survivors who completed chemotherapy. Lifestyle changes can help mitigate these risks.

SourceAmerican Heart Association·DateNov 17, 2013
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.

Scientists invent self-healing battery electrode

Researchers developed a stretchy polymer that coats the electrode, binds it together, and spontaneously heals tiny cracks during battery operation. This self-healing coating extends silicon electrodes' lifespan up to 10 times, making them suitable for electric vehicles and cell phones.

SourceDOE/SLAC National Accelerator Laboratory·JournalNature Chemistry·DateNov 17, 2013
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.

1 minute of CPR video training could save lives

Researchers found that a one-minute CPR video training improved responsiveness, chest compression depth, rate, and hands-off interval time. The study suggests ultra-brief video training could be an effective universal intervention for improving CPR skills in public venues.

SourceAmerican Heart Association·DateNov 16, 2013

News tips for Saturday, Nov. 16, 2013

A retrospective study found that pre-hospital plasma transfusions reduced trauma patient mortality by 8% and improved coagulation status by 40%. Although not statistically significant, survival to hospital discharge also showed a 13% improvement.

SourceAmerican Heart Association·DateNov 16, 2013
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.

'What could possibly go wrong?' A lot

A recent case series of serious injuries at the Tough Mudder event highlights the risks associated with extreme sports events. Participants experienced a range of severe injuries, including multiple electrical burns, seizure-induced Todd's paralysis, and face and head trauma.

SourceAmerican College of Emergency Physicians·JournalAnnals of Emergency Medicine·DateNov 15, 2013

Whither the teakettle whistle

A team of engineers has accurately modeled the whistling mechanism in a classic stovetop kettle, identifying two-mechanism process of whistle production and potential solutions to noisy plumbing issues. The study's findings reveal that swirling vortices create the siren sound, which could help eliminate annoying noises.

SourceAmerican Institute of Physics·JournalPhysics of Fluids·DateNov 15, 2013

Ocean acidification: Hard to digest

Researchers found that ocean acidification impairs digestion in larvae of the green sea urchin, leading to reduced growth and fertility. The study used novel pH micro-electrode techniques to investigate digestion and digestive enzymes in the larvae.

SourceHelmholtz Centre for Ocean Research Kiel (GEOMAR)·JournalNature Climate Change·DateNov 15, 2013

Protein quality: It matters

Research presented at SupplySide West highlights the superiority of whey protein in building and maintaining lean muscle, maintaining weight and aging healthy. Whey protein is a complete protein containing all essential amino acids, with benefits including reducing hunger, improving exercise recovery and reducing muscle loss with aging.

SourceFoodMinds LLC·DateNov 15, 2013
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.

Penn Dental Medicine team identifies molecule critical to healing wounds

Researchers have identified FOX01 as a critical molecule in the wound-healing process, providing a possible new target for pharmaceuticals. The study found that FOX01 plays an integral role in activating key growth factor TGF-β1 and protecting cells against oxidative stress.

SourceUniversity of Pennsylvania·JournalJournal of Cell Biology·DateNov 15, 2013