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Science News Archive May 2019


Page 16 of 42

How molecular escorts help prevent cancer

Research at Technical University of Munich shows that molecular chaperones Hsp70 and Hsp40, as well as Hsp90, control the function of p53 by influencing its three-dimensional structure. This helps prevent cancer cells from growing.

COPD exacerbations may decrease with web-based intervention

A web-based intervention that included physical activity goals, disease self-management education, and a community forum reduced the risk of acute exacerbation in COPD patients. The reduction in exacerbations occurred despite no significant increase in physical activity levels compared to those receiving only a pedometer.

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.

Re-designing hydrogenases

Researchers at EPFL have successfully synthesized a manganese-hydrogenase by incorporating a manganese complex into an iron-hydrogenase. The resulting semi-synthetic enzyme is active for the native reaction of iron-hydrogenase, marking a significant breakthrough in metalloenzyme design.

Did cholesterol levels improve among us kids, adolescents?

Cholesterol levels in US children and adolescents decreased over two decades, with favorable changes observed in total cholesterol and triglycerides. However, only half of participants achieved ideal levels for all measures, highlighting the need for continued efforts to address childhood obesity.

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.

Russian scientists synthesized protein to enrich stock-raising feed

Researchers at Far Eastern Federal University developed a technology to synthesize protein from amaranth grains and mushroom mycelium, enriching stock-raising feed. The new feed is biologically equivalent to the storage protein A1 isolated from amaranth, meeting the natural amino acid composition.

Bring on faster internet: Device packs more into optical fiber

Researchers at University of Queensland developed a light beam device that can split light into multiple modes, increasing information density and potential for faster internet speeds. The device has applications in medical imaging, astronomy, and communication, enabling higher-quality images with greater detail.

Apple iPhone 17 Pro

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

What's the right amount of 'zapping' in epilepsy laser surgery?

Researchers analyzed data from 234 patients undergoing minimally invasive laser surgery for epilepsy, finding that targeting specific brain regions such as the amygdala and hippocampal head improved seizure-free outcomes with minimal side effects. The study's results provide insights into the most effective approach for this type of su...

Life in evolution's fast lane

Scientists discovered a lineage of budding yeasts that has lost dozens of genes involved in DNA repair and cell cycle processes. These gene losses result in the yeast's genomes changing rapidly, leading to unique biological characteristics.

UC studies links between air pollution and childhood anxiety

Researchers found significant increases in myo-inositol levels and generalized anxiety symptoms among children exposed to traffic-related air pollution. The study suggests a partial link between high TRAP exposure and increased anxiety, highlighting the potential impact on population health.

Study explains why some parasitic worms persist in people

A new mathematical model developed at the University of Nebraska-Lincoln suggests that large collective of parasitic worms can kick-start a self-perpetuating cycle ensuring their survival. The study found that quantity of parasites alone determines whether they persist in a host, contrary to previous approaches.

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.

Space travel and your joints

A recent study found early signs of cartilage breakdown in mice exposed to microgravity for 30 days. The researchers theorize that the lack of gravity's biomechanical forces leads to joint unloading, causing cartilage degradation. This could have significant implications for future astronauts on long-term space missions.

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.

Formation of the moon brought water to Earth

Researchers from the University of Münster find that the Moon's collision with Earth brought large quantities of water, essential for life. The discovery sheds light on the Moon's origin and its role in making Earth a habitable planet.

World's first wearable kidney goal of USask-led research team

A USask-led research team is developing an artificial portable kidney that can be worn by patients with renal failure, reducing hospital visits and healthcare costs. The team aims to create a highly efficient dialysis membrane that mimics the human kidney's filtering properties.

BU finds elevated chemical levels in nail technicians' blood

A study led by Boston University researchers discovered high levels of toluene and ethyl acetate in nail technicians' blood, but improved ventilation significantly reduced air pollutant exposure. The findings highlight the importance of active ventilation in reducing solvent levels in salon air.

Fluke 87V Industrial Digital Multimeter

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

Mathematicians revive abandoned approach to Riemann Hypothesis

Researchers have revived an old approach to the Riemann Hypothesis using Jensen-Polya polynomials, providing a new framework for understanding prime numbers. The approach reveals a method to calculate the polynomials all at once, opening up new avenues for solving other fundamental mathematical problems.

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.

Scientists explore connection between aging fat and Alzheimer's

Researchers investigating the link between aging fat cells and Alzheimer's disease have found that fat cells play a crucial role in supporting neuronal growth and survival. The study suggests targeting a specific receptor, PPAR-γ2, could lead to a new treatment for Alzheimer's.

Study reveals breakthrough in understanding long-term memory retrieval

A breakthrough study reveals the anterior cingulate cortex plays a crucial role in synchronizing brain waves to retrieve long-term memories after two weeks. This discovery could lead to new treatments for Alzheimer's disease and other forms of dementia by understanding how our brains process and access older memories.

BU researchers discover a new beneficial function of an ancient protein

Researchers from Boston University School of Medicine have discovered a previously unknown role of Serum Amyloid A (SAA) in rapidly removing lipid debris from damaged cells. This process is crucial for tissue healing and survival during acute events such as injury, infection, or inflammation.

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.

Anxious people quicker to flee danger

A new study from Caltech shows that anxious individuals flee danger sooner in slow-threat scenarios, but not in fast-threat situations. This suggests that anxiety is a prediction strategy that helps prevent future dangers.

Good leadership and values key to staff satisfaction, study finds

Researchers analyzed over 298,000 online review ratings to find the key elements of job satisfaction and employee turnover in high-contact services. The study shows that career progression is a critical factor in staff turnover, while an increase in job satisfaction leads to higher profitability.

Ultra-thin superlattices from gold nanoparticles for nanophotonics

Scientists have developed a technique to produce highly ordered particle layers using tiny gold particles encapsulated in soft polymer beads. The resulting ultrathin superlattices exhibit collective resonances when excited by light, enabling potential applications in optoelectronics and nanophotonics.

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.

Economists find net benefit in soda tax

A new analysis suggests that soda taxes serve as a 'net good,' with health benefits and reduced consumption for low-income individuals. Researchers estimate a nationwide soda tax would yield $7 billion in net benefits annually.

Epidemiology: Measures for cleaner air

The study examines 38 specific measures aiming to improve air quality and finds either positive or unclear effects. However, the variability in study findings makes it challenging to draw general conclusions about what works and what doesn't.

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.

Noninvasive biomarker for Parkinson's disease possibly found in EEG data

A study from the University of Oregon suggests that specific angles and sharpness of brain waves in unfiltered EEG data may indicate Parkinson's disease. Researchers used raw, unfiltered beta waves to distinguish between patients on and off medication, providing a potentially new approach for diagnosis and treatment.

New measurement device: Carbon dioxide as geothermometer

Researchers developed a novel laser-based measurement device to quantify rare CO2 variants, enabling accurate tracking of Earth's temperature. This breakthrough technology surpasses mass spectrometry in precision and can significantly shorten measurement times.

Why are gels elastic?

A team of scientists discovered that the elasticity of gels arises from the packing of clusters of particles in the gels. The researchers used graph theory to identify the boundaries between these clusters, which act as rigid units within the gel, determining its elastic modulus.

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.

Key drug target shown assembling in real-time

Researchers outline detailed sequence of events where a GPCR encounters its downstream signaling partner, providing insights into fundamental mechanisms of drug-induced signaling. The new analysis technique can identify precise amino acids most central to GPCR function, enabling potential sites for precision drug targeting.

Shared emotional states in ravens

Researchers observed ravens exhibiting negative emotional contagion when watching demonstrator ravens with induced negative emotional states. The results suggest convergent emotional evolution in birds and mammals.

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.

Fiber-based imaging spectrometer captures record amounts of data

The new compact device can capture 30,000 sampling points with over 60 wavelengths, providing valuable insight into chemical makeup of scenes or samples. Researchers say it has the potential to increase crop production and inform disaster response using unmanned aerial vehicles.

Greenland and Antarctic ice sheets and sea level rise

Researchers used structured expert judgment to estimate probability distributions for future sea level rise, yielding long upper tails and a small but meaningful chance of exceeding 2m by 2100. The results suggest coastal communities should consider the possibility of 21st-century SLR in excess of 2m when developing adaptation strategies.

Shedding light on cancer metabolism in real-time with bioluminescence

Researchers have developed a new technique called BiGluc, which enables the visualization of glucose metabolism in real-time in cancerous tumors. This non-invasive imaging method could lead to more effective cancer treatments by identifying the metabolic requirements of different tumors.

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.

AJTMH tipsheet for May 2019

A California study reveals chronic Q fever cases may be more common than previously believed, with a higher case fatality rate than national averages. Meanwhile, a mass treatment campaign in Bolivia has effectively eliminated human fascioliasis, a parasitic worm disease once prevalent in up to 25% of the population.

Air pollution affects tree growth in São Paulo

Researchers found that high levels of PM10 reduced average tree growth by up to 37% and varied interannually with pollution levels during driest months. Trees exposed to higher levels of pollution grew less in trunk diameter development throughout their lives.

Researchers link new protein to Parkinson's

Parkin's activity depends on recruitment and activation by proteins such as PINK1 and MITOL. The discovery of MITOL's role in tagging damaged mitochondria could lead to improved therapies for Parkinson's disease.

Artificial intelligence system spots lung cancer before radiologists

A new AI system has been developed that can detect lung cancer with high accuracy, potentially leading to earlier treatment. The system uses deep learning to analyze low-dose chest computed tomography (LDCT) scans and performs better than human radiologists in detecting malignant nodules.

Celestron NexStar 8SE Computerized Telescope

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