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Science News Archive 2015 - Page 357


Page 357 of 402

Laser 'ruler' holds promise for hunting exoplanets

Researchers successfully demonstrate a new technique combining a solar telescope with a laser frequency comb to analyze distant stars with unprecedented accuracy, potentially leading to the discovery of Earth-like planets. The technique enhances spectral analysis and advances research in astrophysics.

SourceIOP Publishing·JournalNew Journal of Physics·DateFeb 17, 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.

Schizophrenia: Impaired activity of the selective dopamine neurons

Researchers found altered patterns and frequencies of electrical activity in dopamine midbrain neurons critical for emotional and cognitive processing. These findings suggest that impaired dopamine neuronal activity contributes to schizophrenia's negative symptoms, such as cognitive deficits and impaired motivation.

SourceGoethe University Frankfurt·JournalProceedings of the National Academy of Sciences·DateFeb 17, 2015

Social media can help alert students during campus emergencies, study finds

Researchers found that social media can instantly reach a large percentage of students to provide timely and accurate information during crisis situations. The study suggests that students are more likely to comply with emergency notifications received through social networking channels.

SourceUniversity at Buffalo·JournalInternational Journal of Business Information Systems·DateFeb 17, 2015

Tau-associated MAPT gene increases risk for Alzheimer's disease

Researchers identified the microtubule-associated protein tau (MAPT) gene as a key player in Alzheimer's disease. Carriers of the deleterious MAPT allele are at increased risk for developing AD and experience accelerated brain atrophy.

SourceUniversity of California - San Diego·JournalMolecular Psychiatry·DateFeb 17, 2015

Potential new breathalyzer for lung cancer screening

Researchers have developed a simple and rapid device to detect volatile organic compounds on the breath, demonstrating potential for early lung cancer detection. The device can discriminate different kinds and concentrations of cancer-related biomarkers with high accuracy.

SourceAmerican Institute of Physics·JournalReview of Scientific Instruments·DateFeb 17, 2015
Apple iPhone 17 Pro

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

UT Arlington zebra mussels expert to receive national recognition

Robert McMahon, a renowned expert on aquatic invasive mollusks, has been awarded the Lifetime Achievement Award by the National Invasive Species Council. He is recognized for his decades-long work in preventing and managing invasive species, including zebra mussels, Asian clams, and apple snails.

SourceUniversity of Texas at Arlington·DateFeb 17, 2015

Insight into inner magnetic layers

Measurements at BESSY II have shown how spin filters form within magnetic sandwiches, enhancing understanding of processes critical for future TMR data storage devices and other spintronic components. The discovery reveals new interfacial effects that strongly influence the amplitude of tunnel magnetoresistance.

SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalNature Communications·DateFeb 17, 2015

Crowdsourcing a valid option for gathering speech ratings

A study by New York University's Steinhardt School of Culture, Education, and Human Development found that crowdsourcing using Amazon Mechanical Turk can produce high levels of agreement among listeners, even when individual responses are not highly accurate. With samples of nine or more AMT users, performance converges with that of ex...

SourceNew York University·JournalJournal of Communication Disorders·DateFeb 17, 2015
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Medication effective in helping smokers quit gradually

A study found that varenicline was effective in helping smokers reduce their cigarette consumption and eventually quit. The medication produced greater reductions in smoking prior to quitting and increased smoking cessation rates at the end of treatment.

SourceJAMA Network·JournalJAMA·DateFeb 17, 2015

When it comes to an opening number, sometimes the best bargaining move is to offer two

A new study from Columbia Business School suggests that using range offers in negotiations can lead to better settlements for the offer-maker without harming their relationship with the other party. Bolstering and bracketing range offers were found to be effective strategies, while backdown range offers were less successful.

SourceColumbia Business School·JournalJournal of Personality and Social Psychology·DateFeb 17, 2015
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.

Bile duct cancer study may pave way for new treatments

Researchers discovered a key pathway driving tumour growth in bile duct cancer and found that blocking it can prevent cancer cell growth and shrink tumours. The treatment is already being tested in patients with other cancers and shows promise as a potential breakthrough for this devastating disease.

SourceUniversity of Edinburgh·JournalJournal of Clinical Investigation·DateFeb 17, 2015

Individuals with type 2 diabetes should exercise after dinner

Research suggests that exercising after a meal can lower blood sugar and fat levels, providing more benefits than exercising before dinner. The study found that resistance exercise performed after dinner had the most powerful effect on reducing glucose and fat levels.

SourceUniversity of Missouri-Columbia·JournalJournal of Applied Physiology·DateFeb 17, 2015
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.

State funding boosts stem cell research in California, other states

State-funded programs in California and Connecticut have contributed to an increase in stem-cell-related publications, with California benefiting most. The study suggests that state funding has established California as a leader in this emerging field, while Maryland and New York saw minimal impact on publication trends.

SourceGeorgia Institute of Technology·JournalCell Stem Cell·DateFeb 17, 2015

Mapping seascapes in the deep ocean

Researchers from University of Southampton develop new automated method for classifying hundreds of miles of the deep sea floor, creating broad-scale maps to estimate biodiversity hotspots. The maps cover approximately 125 miles across, using information on topography and sediment type to identify distinct 'geomorphological terrains'.

SourceUniversity of Southampton·JournalMarine Biology·DateFeb 17, 2015

UI engineers find switchgrass removes PCBs from soils

University of Iowa researchers have discovered that switchgrass can remove up to 40% of PCBs from contaminated soils, with a combined treatment boosting removal rates to 47%. The study suggests a natural and sustainable method for reducing the presence of toxic chemicals in the environment.

SourceUniversity of Iowa·JournalEcological Engineering·DateFeb 17, 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.

New insight into how brain performs 'mental time travel'

Researchers at Vanderbilt University discovered a specific region of the brain that signals when a memory is being retrieved with high detail, enabling the prediction of recall order. This finding has significant implications for understanding and preserving memories in individuals with diseases like Alzheimer's.

SourceVanderbilt University·DateFeb 17, 2015

Teen brain scans reveal a key to weight loss

Researchers found that teenagers who relied on executive function processes, particularly in the pre-frontal cortex, were more successful in losing weight. Successful programs involve repeated practice and ramping up challenges to executive control, such as computerized training and aerobic physical activity.

SourceBrigham Young University·JournalObesity·DateFeb 17, 2015

Many pregnant teens use alcohol and drugs, study finds

Nearly 3 in 5 pregnant teens report using substances in the previous 12 months, with alcohol and cannabis being the most commonly used. Engaged parents and academically involved teens show lower rates of substance use during pregnancy.

SourceUniversity of Texas at Austin·JournalAddictive Behaviors·DateFeb 17, 2015
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.

Plants survive better through mass extinctions than animals

A new study reveals that plants have been highly resilient to mass extinction events, with negative rates of diversification never sustained for long periods. Plant groups such as flowering plants (angiosperms) experienced a rapid increase in diversity shortly after the Cretaceous-Paleogene asteroid impact.

SourceUniversity of Gothenburg·JournalNew Phytologist·DateFeb 17, 2015

Three Waterloo academics named among Canada's top researchers for 2015

The University of Waterloo has three researchers recognized as among Canada's top natural sciences and engineering researchers for 2015. Chris Eliasmith, David Blowes and Michael McTavish are making significant advancements in human brain research, environmental impact reduction and invasive species understanding through their work. Th...

SourceUniversity of Waterloo·DateFeb 17, 2015

High-powered X-ray laser unlocks mechanics of pain relief without addiction

Scientists have developed a new X-ray source to study how non-addictive painkillers work, revealing the target of binding to neuroreceptors. This breakthrough could lead to designing molecules to generate specific responses and address critical health issues related to opioid abuse.

SourceUniversity of Southern California·JournalNature Structural & Molecular Biology·DateFeb 17, 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.

Tadpole model links drug exposure to autism-like effects

A study using a tadpole model reveals parallels between fetal chemical exposure and autism spectrum disorder, highlighting altered neural anatomy and behavior. The research suggests that understanding this connection could lead to discovering mechanisms to prevent neurodevelopmental disorders.

SourceBrown University·DateFeb 17, 2015

Urbanization may affect the initiation of thunderstorms

Urbanization leads to more thunderstorm initiation events, posing dangers like lightning and flash floods with little warning. The risk is higher on weekdays due to increased aerosol levels from commuters.

SourceWiley·JournalQuarterly Journal of the Royal Meteorological Society·DateFeb 17, 2015

Scientists use MRI to visualize pancreas inflammation in type 1 diabetes

Researchers have developed a novel imaging technique using ferumoxytol and MRI to visualize pancreatic inflammation in patients with newly diagnosed type 1 diabetes. The study found clear evidence of ongoing inflammation in the pancreas, which could help predict disease progression and identify potential therapeutic targets.

SourceJoslin Diabetes Center·JournalProceedings of the National Academy of Sciences·DateFeb 17, 2015

From the scent of geranium to cough medicine

Researchers at TUM create self-assembled catalyst to facilitate terpene cyclization, enabling production of complex compounds like taxol, used in cancer treatment. The breakthrough yields higher yields and improves reaction feasibility.

SourceTechnical University of Munich (TUM)·JournalNature Chemistry·DateFeb 17, 2015
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 solid-state nanomaterial platform enables terahertz photonics

Researchers have created a novel solid-state technology platform that enables the use of terahertz photonics in various applications. The new nanodetectors can detect frequencies greater than 3 THz and offer competitive noise equivalent powers with commercially available technologies.

SourceAmerican Institute of Physics·JournalAPL Materials·DateFeb 17, 2015

An empty stomach can lead to an empty wallet

A University of Minnesota study reveals that hunger increases intention to acquire nonfood objects, resulting in higher spending. Hungry shoppers opt for 70% more products and spend 64% more money than satiated counterparts.

SourceUniversity of Minnesota·JournalProceedings of the National Academy of Sciences·DateFeb 17, 2015

Technology changing teacher's role

A recent Finnish-Swiss-Belgian study finds that technology changes the teacher's role from a traditional knowledge provider into a facilitator guiding students' learning processes and engaging in joint problem-solving. Technology offers new types of learning possibilities, including interactive learning and teaching opportunities.

SourceAcademy of Finland·DateFeb 17, 2015

New study reveals how to improve chemotherapy use in prostate cancer

Researchers found a genomic marker that could help identify patients most likely to benefit from cabazitaxel, a newer member of the taxane family. The study suggests that cabazitaxel may be more effective sooner in treatment for some patients with prostate cancer.

SourceThomas Jefferson University·JournalClinical Cancer Research·DateFeb 17, 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.

Even animals compose

Researchers from the University of Vienna found cross-species parallels in song production and perception among animals. Some species, such as songbirds and parrots, can learn to produce new sounds and even identify beats, similar to human music abilities.

SourceUniversity of Vienna·JournalPhilosophical Transactions of the Royal Society of London·DateFeb 17, 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.

Violations in pharmaceutical industry self-regulation of medicines promotion

A study published in PLOS Medicine found that pharmaceutical industry self-regulation in the UK and Sweden had significant violations, with nearly 20% of cases being serious breaches. The researchers analyzed complaints and rulings to find that charges incurred by companies were a small percentage of annual sales revenue.

SourcePLOS·JournalPLOS Medicine·DateFeb 17, 2015

Study details impact of Deepwater Horizon oil on beach microbial communities

Scientists studied the impact of Deepwater Horizon oil on Pensacola Municipal Beach's microbial communities, finding that generalist microbes were most successful in expanding their populations. After a year, microbial populations buried in beach sands looked similar to pre-spill levels, with some unexplained differences.

SourceGeorgia Institute of Technology·DateFeb 17, 2015

White sharks grow more slowly and mature much later than previously thought

Researchers have created a reliable growth curve for white sharks in the western North Atlantic, revealing they grow more slowly and mature later than initially estimated. The study found males reach maturity at around age 26 and females at around 33, leading to new estimates of population replacement rates.

SourceNOAA Northeast Fisheries Science Center·JournalMarine and Freshwater Research·DateFeb 17, 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.

Learning from extinction: New insights on controlling cancer

A new study suggests that understanding species extinction can help drive cancer cells to annihilation. The authors identify two critical factors governing species resistance to extinction: evolveability and robustness to perturbations. These characteristics may have important correlates among some types of cancer cells.

SourceArizona State University·JournalNature Reviews Clinical Oncology·DateFeb 17, 2015

Science: Chromosome 'bumper repair' gene predicts cancer patient outcomes

A study found that TERT mRNA levels are highly predictive of aggressive bladder cancers, allowing doctors to recommend targeted treatments and improve patient outcomes. The study also suggests that telomerase reactivation is crucial for the progression of bladder cancers, highlighting a potential target for disease intervention.

SourceUniversity of Colorado Anschutz Medical Campus·JournalScience·DateFeb 17, 2015
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.

A novel approach for high performance field emission electron sources

A team of researchers from INRS developed novel graphenated-MWCNTs with enhanced field electron emission properties by decorating graphene sheets with gold nanoparticles. This innovation enhances the density of electron-emitting sites, improving FEE performance and opening new prospects for portable X-ray imaging systems.

SourceInstitut national de la recherche scientifique - INRS·JournalNanotechnology·DateFeb 17, 2015

Brain's iconic seat of speech goes silent when we actually talk

A new study reveals that Broca's area, traditionally considered the command center for human speech, actually switches off when we speak out loud. This finding has major implications for diagnosing and treating stroke, epilepsy, and brain injuries that result in language impairments.

SourceUniversity of California - Berkeley·JournalProceedings of the National Academy of Sciences·DateFeb 17, 2015

A new spin on spintronics

A team of researchers from the University of Michigan and Western Michigan University has developed a new radiation-resistant spintronic material that can maintain its spin-dependence after being irradiated. This breakthrough could enable electronic devices to work in harsh environments, such as space-based communications satellites.

SourceAmerican Institute of Physics·JournalApplied Physics Letters·DateFeb 17, 2015

Eating disorders linked with financial difficulties in female students

A new study found that experiencing financial difficulties at university may increase the risk of female students developing an eating disorder. The study also found a 'vicious cycle' where negative attitudes towards food and eating can lead to short-term financial difficulties, further exacerbating negative eating attitudes.

SourceUniversity of Southampton·JournalInternational Journal of Eating Disorders·DateFeb 16, 2015
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

How to avoid a bad hire

A new study by University of Vermont researcher David Jones found that job ads focusing on what employers can provide to applicants, such as work autonomy and career advancement, attract more highly rated applicants. These ads received almost three times as many high-quality applications as those emphasizing demands-abilities fit.

SourceUniversity of Vermont·JournalJournal of Business and Psychology·DateFeb 16, 2015