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Science News Archive April 2019 - Page 24


Page 24 of 44

Fentanyl deaths up 122% in West Virginia, say WVU researchers

A recent study found that fentanyl-related deaths in West Virginia increased by 122% between 2015 and 2017, despite a decline in prescription opioid deaths. The surge in fentanyl deaths is attributed to illegal imports from China and the potency of the drug itself.

SourceWest Virginia University·JournalDrug and Alcohol Dependence·DateApr 15, 2019

A breakthrough in acidic water electrolysis via ruthenium-based catalysts

Researchers from University of Science and Technology of China successfully developed a ruthenium-based single-atom alloy catalyst accelerating water electrolysis with lower overpotential. The catalyst shows improved stability and activity compared to commercial RuO2, making hydrogen production through water electrolysis more efficient.

SourceUniversity of Science and Technology of China·JournalNature Catalysis·DateApr 15, 2019

Applying hand rub with three steps for 15 seconds as effective at reducing bacteria as WHO-recommended 6 steps for 30 seconds

A new study suggests that a simplified three-step hand rub technique for 15 seconds is as effective as the six-step, 30-second technique recommended by WHO. This could improve hand hygiene compliance among healthcare workers. The study found that shorter application times do not compromise bacterial reduction.

SourceEuropean Society of Clinical Microbiology and Infectious Diseases·DateApr 14, 2019
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.

Cancers 'change spots' to avoid immunotherapy

Researchers discovered that cancer cells can hide from immunotherapy by altering the levels of a key molecule on their surface. However, they identified an existing inhibitor of the WNT pathway that could potentially reverse this process and make cancer cells more visible to immune cells.

SourceInstitute of Cancer Research·JournalJournal for ImmunoTherapy of Cancer·DateApr 14, 2019

Train your brain, change your brain

A new study reveals that neurofeedback can strengthen neural connections and communication among brain areas in under 1 hour, paving the way for optimizing therapeutic approaches against stroke and Parkinson's. The technique showed increased integrity of the corpus callosum and strengthened neural networks controlling body movements.

SourceD'Or Institute for Research and Education·JournalNeuroImage·DateApr 14, 2019

National handwashing campaign reduces incidence of Staphylococcus aureus infection in Australia's hospitals

The National Australian Hand Hygiene Initiative has seen significant improvements in hand hygiene compliance among healthcare workers, resulting in reduced risks of Staphylococcus aureus infection. The initiative's success is attributed to promoting WHO's '5 Moments for Hand Hygiene', leading to a decline in S. aureus bloodstream infec...

SourceEuropean Society of Clinical Microbiology and Infectious Diseases·JournalThe Lancet Infectious Diseases·DateApr 14, 2019
Fluke 87V Industrial Digital Multimeter

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

Study finds low hand hygiene compliance on ICUs

A new study found low hand hygiene compliance on ICUs, with healthcare workers more likely to move from dirtier to cleaner tasks, increasing the risk of transmitting infections to patients. Interventions should teach workers to move in the opposite direction to minimize risks.

SourceEuropean Society of Clinical Microbiology and Infectious Diseases·DateApr 14, 2019

Staying in a hotel during travel to tropical regions is associated with contracting drug-resistant bacteria, with younger travelers aged 20-30 years at highest risk

A study of 230 travelers found that staying in hotels increases the risk of contracting multi-drug resistant bacteria by four times. Younger travelers aged 20-30 are particularly at risk, and people visiting certain regions face a higher risk of infection with ESBL-producing Enterobacteriaceae.

SourceEuropean Society of Clinical Microbiology and Infectious Diseases·DateApr 14, 2019

Unexpected properties uncovered in recently discovered superconductor

The team found that the crystals of the layered bismuth chalcogenide superconductor exhibit two-fold symmetry in its superconductivity, contradicting the expected four-fold symmetry. This finding suggests a connection to nematicity, an enigmatic class of materials known for breaking rotational symmetry.

SourceTokyo Metropolitan University·JournalJournal of the Physical Society of Japan·DateApr 13, 2019
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.

DIY gravitational waves with 'BlackHoles@Home'

West Virginia University researchers aim to unlock secrets of gravitational waves from binary black hole collisions with public computing power. They are building a website with downloadable software to generate self-consistent simulations, covering gaps in knowledge about gravitational wave parameters.

SourceAmerican Physical Society·DateApr 13, 2019
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.

Public health experts urge people to seek prompt medical advice if they suspect rabies exposure

A study highlights the importance of seeking prompt medical advice if symptoms of rabies are suspected, as delays can be fatal. Experts stress that preventive treatments are highly effective when given promptly after exposure, and encourage individuals to seek treatment immediately after a bite or scratch from an animal.

SourceEuropean Society of Clinical Microbiology and Infectious Diseases·DateApr 13, 2019

'Superbugs' found on many hospital patients' hands and what they touch most often

A new study found that nearly a third of hospital room surfaces had antibiotic-resistant bacteria on them, suggesting rapid transmission from patients to their environment. The research team suggests expanding hand hygiene efforts to include patients, as healthcare workers' hands remain the primary mode of microbe transmission.

SourceMichigan Medicine - University of Michigan·JournalClinical Infectious Diseases·DateApr 13, 2019

Travel through wormholes is possible, but slow

A Harvard physicist has shown that wormholes can exist and are theoretically useful for quantum gravity research. However, travel through them would be slower than direct travel, making it impractical for space exploration.

SourceAmerican Physical Society·DateApr 13, 2019
Apple iPhone 17 Pro

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

SLAC develops novel compact antenna for communicating where radios fail

Researchers at SLAC National Accelerator Laboratory have developed a novel compact antenna that can enable mobile communication in situations where conventional radios fail. The device emits low-frequency radiation with wavelengths of tens to hundreds of miles, allowing it to penetrate environments that block radio waves.

SourceDOE/SLAC National Accelerator Laboratory·JournalNature Communications·DateApr 12, 2019

Harnessing microorganisms for smart microsystems

Researchers at Toyohashi University of Technology have developed a method to construct biohybrid systems that incorporate Vorticella microorganisms. The system demonstrates the conversion of linear motion to rotation, enabling the creation of autonomous fluidic valves and wearable smart microsystems.

SourceToyohashi University of Technology (TUT)·DateApr 12, 2019

Colombia experience could help reduce UK knife crime and street violence

The UK could benefit from Colombia's systemic approach to reducing violence, which resulted in a 53% decrease in homicides between 1995 and 2018. Interventions included restricting alcohol sales, community mobilization, and increased access to education and employment opportunities.

SourceSAGE·JournalJournal of the Royal Society of Medicine·DateApr 12, 2019

Study underlines large variation in patient mortality associated with different bloodstream infections

A new study highlights the significant risk posed by bloodstream infections (BSIs), which are associated with a much higher mortality rate compared to the general hospitalised population. The research found that certain species of microorganisms, such as Acinetobacter and methicillin-resistant Staphylococcus aureus (MRSA), were linked ...

SourceEuropean Society of Clinical Microbiology and Infectious Diseases·DateApr 12, 2019
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.

Scientists develop artificial chemical receptor to assist viral transduction for T cell engineering

A research team developed an artificial chemical receptor that effectively facilitates viral binding to T cells, increasing transduction efficiency by up to 80%. The technique is safe and efficient for human primary T cells and shows great potential for clinical engineered T lymphocyte manufacturing.

SourceChinese Academy of Sciences Headquarters·JournalAdvanced Functional Materials·DateApr 12, 2019

Artificial intelligence singles out neurons faster than a human can

Researchers at Duke University have developed an AI-powered algorithm that can accurately identify and segment neurons from video recordings in minutes, comparable to human experts. This breakthrough has significant implications for real-time behavioral studies and could accelerate progress in neuroscience experiments.

SourceDuke University·JournalProceedings of the National Academy of Sciences·DateApr 12, 2019

Lack of awareness of inequality means we penalize those who have least money

A study found that people tend to penalize those who give smaller cash amounts to charity in real terms, without realizing they actually gave more as a proportion of their income. However, when made aware of others' incomes, participants shifted their behavior and penalized the rich for giving less in real terms.

SourceUniversity of Exeter·JournalBehavioural Public Policy·DateApr 12, 2019

Earliest life may have arisen in ponds, not oceans

A new MIT study suggests that primitive ponds, rather than oceans, were more suitable for brewing up Earth's first life forms. Shallow bodies of water, on the order of 10 centimeters deep, could have held high concentrations of nitrogen, a key ingredient for jump-starting life.

SourceMassachusetts Institute of Technology·DateApr 12, 2019
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.

Predicting heat waves? Look half a world away

Researchers from UC Davis and APEC Climate Center found a significant correlation between tropical rainfall and heat waves in Central California. The study analyzed data from 1979 to 2010 and identified a predictable pattern linking enhanced MJO activity in the Pacific and Indian Oceans to intense heat waves.

SourceUniversity of California - Davis·JournalAdvances in Atmospheric Sciences·DateApr 12, 2019

Ability to lift weights quickly can mean a longer life

A study published by the European Society of Cardiology found that individuals with higher muscle power tend to live longer. The research, which analyzed data from over 3,800 non-athletes aged 41-85, showed that those with above-median muscle power had the best survival rates.

SourceEuropean Society of Cardiology·DateApr 12, 2019

Hubble peers at cosmic blue bauble

The Hubble Space Telescope has revealed a stunning image of Messier 3, a massive globular cluster containing over half a million stars. The cluster features 274 variable stars, including the rare RR Lyrae type, which can be used as standard candles to measure vast celestial distances.

SourceNASA/Goddard Space Flight Center·DateApr 12, 2019
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.

Experts provide new guidelines to athletes on protein intake

Experts recommend 1.6-2.4 grams of protein per kilogram of body mass for athletes aiming to increase muscle mass, while those restricting energy intake should target 1.6-2.4 grams/kg/day to minimize lean body mass loss.

SourceUniversity of Stirling·JournalInternational Journal of Sport Nutrition and Exercise Metabolism·DateApr 12, 2019

Thunderstorms half a world away significantly contribute to heat waves in central California

Researchers found that enhanced rainfall in the tropics preceded each heat wave in predictable patterns, linking tropical weather to Central California's hot weather. The study used data from 1979 to 2010 and linked heat waves to the Madden-Julian Oscillation, a large atmospheric circulation pattern.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAdvances in Atmospheric Sciences·DateApr 12, 2019

A biosynthetic dual-core cell computer

Researchers have developed a biosynthetic dual-core cell computer using CRISPR-Cas9 components, enabling scalable and flexible computing. This biological system can process up to 100,000 different metabolic molecules per second, far surpassing previous cell computers.

SourceETH Zurich·JournalProceedings of the National Academy of Sciences·DateApr 12, 2019

Tiny light-up barcodes identify molecules by their twinkling

Researchers have developed a technique using time signals 'temporal barcodes' that can label molecules with distinct flashing patterns. This allows for the detection and identification of any number of molecules, including proteins, at the molecular scale, increasing efficiency and reducing costs compared to traditional methods.

SourceDuke University·JournalACS Synthetic Biology·DateApr 12, 2019
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.

Bigger portions lead to preschoolers eating more over time

Researchers found that serving larger portions led to preschoolers eating 16% more food and consuming an extra 18% of calories. The study suggests that caregivers should pay attention to portion sizes and variety of food, with fruits and vegetables filling up half the plate.

SourcePenn State·JournalAmerican Journal of Clinical Nutrition·DateApr 12, 2019

Genetic variant linked to cucumber fruit length

A team of researchers has identified a genetic variant, CsFUL1A, that modulates fruit length in cucumbers. The study found that decreased expression of CsFUL1A leads to longer fruits, while increased expression results in shorter fruits.

SourceAmerican Society of Plant Biologists·JournalThe Plant Cell·DateApr 12, 2019

New research supports volcanic origin of Kiruna-type iron ores

Researchers from Uppsala University have made significant findings on the origin of Kiruna-type iron ores, supporting a high-temperature magmatic process in volcanic settings. The study uses Fe and O isotopes to chemically fingerprint the processes leading to formation, shedding light on the global importance of these deposits.

SourceUppsala University·JournalNature Communications·DateApr 12, 2019
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.

Population health: A rapidly evolving discipline in US academic medicine

Population health departments within US medical centers are rapidly evolving to address clinical and social determinants of health. The study highlights five primary opportunities for US medical schools to advance population health, including promoting a holistic view of health, engaging community residents and leaders, supporting heal...

SourceUniversity of Texas at Austin·JournalJAMA Network Open·DateApr 12, 2019

Quantum simulation more stable than expected

Researchers at University of Innsbruck discover that digital quantum simulation can retain controlled Trotter errors for local observables, reducing the number of required gate operations. This breakthrough makes digital quantum simulation more accessible to current day quantum devices.

SourceUniversity of Innsbruck·JournalScience Advances·DateApr 12, 2019

Want to quit smoking? Partner up

A recent study found that couples who attempt to quit smoking together have a significantly higher success rate compared to those who try to quit alone. The odds of quitting smoking at 16 weeks were sixfold higher in couples who tried to quit together.

SourceEuropean Society of Cardiology·DateApr 12, 2019
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.

Singapore and Australian scientists build a machine to see all possible futures

Researchers from Nanyang Technological University and Griffith University have developed a prototype quantum device that can examine all possible futures by placing them in a quantum superposition. This allows for the simulation of statistical futures and could enable more efficient learning in artificial intelligence algorithms.

SourceNanyang Technological University - School of Physical & Mathematical Sciences·JournalNature Communications·DateApr 12, 2019

Digital parent training for child's disruptive behavior successful in primary health care

A digital parent training intervention with telephone coaching was successfully implemented in primary health care, reducing discontinuation rates by nearly half. The programme improved parenting skills and satisfied parents, highlighting the potential of web-based interventions to facilitate better access to mental health services.

SourceUniversity of Turku·JournalJournal of Medical Internet Research·DateApr 12, 2019

Growth hormone acts to prevent weight loss

Researchers found that growth hormone signaling promotes neuroendocrine adaptations during food deprivation, leading to increased appetite and reduced energy metabolism. This discovery provides new insights into the mechanisms behind weight loss and regain, highlighting the importance of GH in maintaining energy balance.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalNature Communications·DateApr 12, 2019

We now know how insects and bacteria control ice

Scientists have discovered how key proteins produced in bacteria and insects can either promote or inhibit the formation of ice. The study reveals that these proteins can be designed to nucleate ice at specific temperatures, enabling more accurate weather forecasts and potentially solving water scarcity issues. This breakthrough has si...

SourceUniversity of Utah·JournalJournal of the American Chemical Society·DateApr 12, 2019
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.

Listeners immerse themselves in audiobooks in very different ways

Researchers at Aalto University studied how listeners immerse themselves in audiobooks using fMRI and word lists. The study found that similar words in a list predicted similarities in brain activity, particularly in language processing and visual cortex areas.

SourceAalto University·JournalBrain and Behavior·DateApr 12, 2019

Electric vehicle adoption improves air quality and climate outlook

The study found that electric vehicles have a net positive impact on air quality and climate change, reducing ozone and particulate matter pollution. Transitioning to EVs can improve public health, even with current energy mixes, as long as power generation shifts towards clean energy sources.

SourceNorthwestern University·JournalAtmospheric Environment·DateApr 12, 2019

Researchers of the University of Malaga relate DNA methylation levels to obesity

A study by University of Malaga researchers reveals that DNA methylation levels in genes related to lipid metabolism and inflammation are altered in obese patients with a metabolic disease. This dysregulation may contribute to the development of obesity-related diseases such as diabetes, cardiovascular disease, and cancer.

SourceUniversity of Malaga·JournalJournal of Clinical Medicine·DateApr 12, 2019

Men sometimes act less interested in sex -- in order to get it

A recent study by Norwegian University of Science and Technology found that men tend to act less interested in sex when they want it, whereas women initially show less interest but can become more engaged if the man is attractive. The researchers suggest that this 'tactical game' allows individuals to assess each other's quality withou...

SourceNorwegian University of Science and Technology·JournalEvolutionary Behavioral Sciences·DateApr 12, 2019

'Molecular scissors' for plastic waste

Researchers have decoded the structure of MHETase, an enzyme that breaks down PET plastics into their basic building blocks. This discovery paves the way for developing more efficient enzymes to recycle PET, a key step towards a circular economy and mitigating plastic waste.

SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalNature Communications·DateApr 12, 2019
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.

Largest, fastest array of microscopic 'traffic cops' for optical communications

Researchers create a 240-by-240 array of microscopic 'traffic cops' that can control light beams faster and more efficiently than ever before. The new photonic switch has the potential to transform how information travels through data centers and artificial intelligence networks, overcoming limitations of current electrical switches.

SourceUniversity of California - Berkeley·JournalOptica·DateApr 12, 2019