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Science News Archive 2015 - Page 377


Page 377 of 402

Heat waves becoming more prominent in urban areas, research reveals

A new study found that urban areas are experiencing a significant increase in heat waves, with extreme temperatures rising by over 50% per year. The trend is more pronounced at night due to the heat island effect, which traps heat in buildings and infrastructure.

SourceUniversity of California - Los Angeles·JournalEnvironmental Research Letters·DateJan 29, 2015

Study analyzes Internet, mobile and video game effects on young users

A study by Universitat Autonoma de Barcelona analyzed the use of information and communication technologies among secondary school students, revealing links between school failure and an elevated use of computers at home. The study also found correlations between intensive ICTS use and substance consumption.

SourceUniversitat Autonoma de Barcelona·JournalAtención Primaria·DateJan 29, 2015
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.

CAT scan of nearby supernova remnant reveals frothy interior

Harvard-Smithsonian astronomers created a new 3-D map of the interior of Cas A using a CAT scan equivalent. They found six massive cavities, or bubbles, that likely formed from radioactive nickel generated during the supernova explosion.

SourceCenter for Astrophysics | Harvard & Smithsonian·JournalScience·DateJan 29, 2015

Crucial protective role observed for farnesoid-X receptor in cholestatic liver injury

Researchers observed a crucial protective role for farnesoid-X receptor in cholestatic liver injury, with oral FXR-agonist INT-747 normalizing dysfunctional intestinal FXR-signaling and changing in intestinal permeability, inflammation, and bacterial translocation. The study suggests potential new therapeutic avenues for liver disease.

SourceElsevier Health Sciences·JournalAmerican Journal Of Pathology·DateJan 29, 2015

Fox Chase researchers reveal how pancreatic cancer cells sidestep chemotherapy

Fox Chase researchers discovered that pancreatic cancer cells sidestep chemotherapy by hijacking the vitamin D receptor, a key mechanism driving chemotherapeutic effectiveness against pancreatic cancer. The findings raise hopes for developing new treatments that can selectively kill cancer cells while leaving healthy cells unharmed.

SourceFox Chase Cancer Center·JournalCell Cycle·DateJan 29, 2015

Renewable biofuel production avoids competition with food resources

Researchers demonstrate a system that produces both biofuel and animal feed from one crop, eliminating land-use competition for food resources. The process, known as solid-state fermentation, yields high ethanol content while producing quality animal feed with zero waste.

SourceBMC (BioMed Central)·JournalBiotechnology for Biofuels·DateJan 29, 2015
Apple iPhone 17 Pro

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

In a role reversal, RNAs proofread themselves

Researchers at Cold Spring Harbor Laboratory have discovered a new quality control mechanism where RNAs proofread themselves, ensuring proteins are made correctly. The CCA-adding enzyme uses a screw-like motion to add CCA groups to tRNAs, and the RNA itself determines whether to allow further additions.

SourceCold Spring Harbor Laboratory·JournalCell·DateJan 29, 2015

Obamacare co-ops show promise and peril

The Affordable Care Act's health insurance cooperatives have had a tangible impact on the marketplace, offering more products and lower-priced plans than traditional insurers

SourceBrown University·JournalJAMA·DateJan 29, 2015
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Feelings of loneliness and depression linked to binge-watching television

A recent study by researchers at the University of Texas at Austin found that individuals with low self-regulation are more likely to binge-watch TV as a coping mechanism for negative emotions. The study also revealed that those who lack self-control are unable to stop clicking 'Next' even when aware of other tasks.

SourceInternational Communication Association·DateJan 29, 2015
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.

Walking on ice takes more than brains

A cluster of neurons in the spinal cord, known as RORα neurons, integrates sensory information from light touch sensors to control muscle movements. This 'mini-brain' helps regulate balance and prevents falls by making subtle adjustments to foot position.

SourceSalk Institute·JournalCell·DateJan 29, 2015

Added fructose is a principal driver of type 2 diabetes

Recent studies suggest that added sugars, particularly fructose, are a principal driver of type 2 diabetes. Clinical experts recommend drastic reductions in added sugar and especially fructose consumption to combat the growing epidemic.

SourceElsevier Health Sciences·JournalMayo Clinic Proceedings·DateJan 29, 2015

Building trustworthy big data algorithms

A new algorithm, TopicMapping, has been developed to improve the accuracy and reproducibility of big data text analysis. By using a network approach, the algorithm separates unstructured text into topics with high accuracy and reproducibility. The results show that existing algorithms, such as LDA, are not reliable for complex datasets.

SourceNorthwestern University·JournalPhysical Review X·DateJan 29, 2015
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.

Altered dopamine signaling a clue to autism

A new study has discovered genetic variations in children with autism spectrum disorder (ASD) that disrupt dopamine signaling, leading to behavioral changes. The findings provide a potential target for developing more effective treatments for ASD.

SourceVanderbilt University Medical Center·JournalEBioMedicine·DateJan 29, 2015

Home is a safe haven for female deer

Researchers tracked female black-tailed deer's movements and found their home ranges were very small, averaging 0.74 square kilometers, with core areas of just 0.08 km². This site familiarity helps them survive by knowing the best foraging spots and avoiding risky territories.

SourceSpringer·JournalBehavioral Ecology and Sociobiology·DateJan 29, 2015

Ancient 'genomic parasites' spurred evolution of pregnancy in mammals

A study identified thousands of genes expressed in the uterus during the evolution of pregnancy in mammals, with many recruited from other tissue types by transposons. These genes played a crucial role in establishing maternal-fetal communication and suppressing the maternal immune system, protecting the developing fetus.

SourceUniversity of Chicago Medical Center·JournalCell Reports·DateJan 29, 2015

Among gut microbes, strains, not just species, matter

A large-scale analysis of the gut microbiome has identified significant variations in gene copy numbers across different strains of the same microbe species. These strain-level variations can affect the microbes' capabilities, lifestyle, and impact on human health, including obesity and inflammatory bowel disease.

SourceUniversity of Washington School of Medicine/UW Medicine·JournalCell·DateJan 29, 2015
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.

Structure of world's largest single cell is reflected at the molecular level

Researchers at the Donald Danforth Plant Science Center used the world's largest single-celled organism, Caulerpa taxifolia, to investigate the nature of structure and form in plants. They found that different parts of the cell show distinctly different RNA patterns, which are also shared with land plants.

SourceDonald Danforth Plant Science Center·JournalPLOS Genetics·DateJan 29, 2015

Biomaterial coating raises prospect of more successful medical implants

Researchers develop a novel, bacteria-repelling coating material that attracts healthy cells to medical implants, reducing the likelihood of rejection. The breakthrough could significantly improve the success rate of medical implants, particularly for hip replacements where failure rates remain high.

SourceIOP Publishing·JournalBiomedical Materials·DateJan 29, 2015

Understanding cellular aging

Scientists have mapped the physical structure of the nuclear landscape to understand changes in genomic interactions during cell senescence and ageing. They reconciled two models of ageing, finding that SAHF domains show a dramatic loss of local interconnectivity and internal structure in senescent chromatin.

SourceBiotechnology and Biological Sciences Research Council·JournalCell Reports·DateJan 29, 2015

Support found for peer-mentoring diabetes management program

A study found that most teens and young adults with type 1 diabetes are interested in a peer mentoring program to improve diabetes control, despite social barriers. The researchers also found that those with supportive friends and family members were more likely to be interested.

SourceLA BioMed·JournalThe Diabetes Educator·DateJan 29, 2015
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.

Where did the missing oil go? New FSU study says some is sitting on the Gulf floor

A new FSU study finds that 6-10 million gallons of oil are buried in the sediment on the Gulf floor, contaminating the food web and affecting marine life. The researchers used carbon 14 as an inverse tracer to determine the oil's distribution, revealing a significant amount still lingering on the seafloor.

SourceFlorida State University·JournalEnvironmental Science & Technology·DateJan 29, 2015

Earlier menopause linked to everyday chemical exposures

A new study found that women with high levels of endocrine-disrupting chemicals experience menopause two to four years earlier than those with lower levels. The research analyzed data from 31,575 people and identified 15 chemicals significantly associated with earlier ages of menopause.

SourceWashU Medicine·JournalPLOS ONE·DateJan 28, 2015

Satellites can improve regional air quality forecasting

Researchers found that geo-stationary satellites can greatly improve air-quality forecasting by providing aerosol optical depth every hour in high resolution. Combining this data with low Earth-orbiting satellite data produces more detailed maps for improved forecasts.

SourceUniversity of Iowa·JournalGeophysical Research Letters·DateJan 28, 2015
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.

Holes in valence bands of nanodiamonds discovered

Researchers have discovered holes in the valence bands of nanodiamonds when they are dispersed in water, but not on a solid-state substrate. This discovery suggests that electrons at the surface of nanodiamonds can donate to surrounding water molecules, potentially influencing their chemical and catalytic properties.

SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalNanoscale·DateJan 28, 2015

Spiky 'hedgehog particles' for safer paints, fewer VOC emissions

Researchers at the University of Michigan have developed a new process to create "hedgehog particles" that can easily disperse in water and dissolve in oil. This innovation has the potential to reduce volatile organic compound (VOC) emissions from paints and coatings, resulting in fewer respiratory and climate change issues.

SourceUniversity of Michigan·JournalNature·DateJan 28, 2015

Communication is key when dealing with aging parents

Research found that both adult children and aging parents identify stubbornness in the other, with individual and relationship-based factors linked to perceptions. The study suggests a need for intervention to increase understanding and provides insights for practitioners on how to address stubborn behaviors.

SourcePenn State·DateJan 28, 2015
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.

Custom tailoring robotic exoskeletons that fit to perfection

Researchers have developed a new design framework for powered lower-extremity exoskeletons, enabling highly customized designs with optimized performance and stability control. The custom-tailored exoskeletons aim to improve user comfort and safety while reducing development time and cost.

SourceNYU Tandon School of Engineering·DateJan 28, 2015

GPM sees nor'easter dump snow on New England

The Global Precipitation Measurement mission's Core Observatory captured satellite images of the nor'easter storm system, revealing intense bands of snowfall and heavy rainfall rates. The storm brought blizzard conditions to parts of New England, with up to 30 inches of snow falling in some areas.

SourceNASA/Goddard Space Flight Center·DateJan 28, 2015
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.

Study: Former NFL players who played tackle football before age 12 at increased risk of memory and thinking problems later

A study found that former NFL players who played tackle football before age 12 performed significantly worse on cognitive tests compared to those who started playing at age 12 or later. The researchers suggested a critical window of brain development where repeated head impacts can lead to thinking and memory difficulties later in life.

SourceAmerican Academy of Neurology·JournalNeurology·DateJan 28, 2015

Corn co-products from wet milling may be included in pig diets, study shows

Researchers found that corn co-products have lower energy concentration than corn, but can still be used in growing pig diets. Amino acid digestibility was also reduced in the co-products, requiring additional protein sources.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalJournal of Animal Science·DateJan 28, 2015

Public startups boom under JOBS Act, study shows

The JOBS Act has led to a 25% surge in initial public offerings (IPOs), with three-quarters coming from the biotechnology/pharmaceutical industry. The study found that companies heavily invested in product research and development benefit most from the act's provisions.

SourceUniversity at Buffalo·JournalJournal of Financial Economics·DateJan 28, 2015
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.

California breast density law slow to have an impact

UC Davis researchers found that half of primary care physicians are unfamiliar with the law, and many don't feel comfortable discussing breast density with patients. The study suggests that increased physician education is needed to address this gap and improve patient outcomes.

SourceUniversity of California - Davis Health·JournalJournal of the American College of Radiology·DateJan 28, 2015

Study by CU researcher finds everyday exposure to chemicals could trigger early menopause

A study published in PLOS ONE found that exposure to certain chemicals used in cosmetics, plastics, and household cleaners can trigger early menopause in women. Women exposed to these chemicals were up to six times more likely to be menopausal than non-exposed women, with a potential increase in infertility and health risks.

SourceUniversity of Colorado Anschutz Medical Campus·JournalPLOS ONE·DateJan 28, 2015

What's happening with your donated specimen?

A Michigan State University study found that most people are willing to donate bodily samples for medical research, but this willingness drops when specific projects are mentioned. The study suggests that biobanks should rethink their consent processes and be more transparent about the research they support.

SourceMichigan State University·JournalJAMA·DateJan 28, 2015

Pacemakers with Internet connection, a not-so-distant goal

A new security protocol, Ladon, has been designed to protect the information provided by medical devices connected to the Internet. The protocol offers energy efficiency, memory space, and latency benefits, making it suitable for deploying functionalities in sensors.

SourceUniversity of the Basque Country·JournalJournal of Ambient Intelligence and Smart Environments·DateJan 28, 2015
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.

Eyeglasses that turn into sunglasses -- at your command

A team of scientists has created a new type of lens that can rapidly switch between clear and dark shades, addressing safety concerns for pilots and others who need adaptable eyewear. The lenses, which can be controlled by the wearer, also offer fine-tuning capabilities to match various hues.

SourceAmerican Chemical Society·JournalACS Applied Materials & Interfaces·DateJan 28, 2015

Why upper motor neurons degenerate in ALS

Researchers at Northwestern University have discovered that increased stress in the endoplasmic reticulum is a key factor in the degeneration of upper motor neurons in ALS. This finding could lead to the development of new therapies aimed at improving the survival of these critical cells.

SourceNorthwestern University·JournalCerebral Cortex·DateJan 28, 2015
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.

'Friending' your way thin

A Northwestern University study found that online dieters who logged in regularly, recorded their weigh-ins, and 'friended' other members lost an average of 8% of their body weight over six months. In contrast, those with fewer interactions lost only about 5% of their body weight.

SourceNorthwestern University·JournalJournal of The Royal Society Interface·DateJan 28, 2015