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Science News Archive 2015


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.

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.

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.

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.

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.

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.

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.

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...

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.

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.

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.

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.

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.

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.

Apple iPhone 17 Pro

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

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'.

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.

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.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

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.

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.

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.

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.

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...

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.