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Science News Archive May 2019


Page 9 of 42

Infection biology: Signs of selection in the stomach

Researchers characterized Helicobacter pylori's genetic diversity in individual patients, showing adaptations to specific stomach regions and the impact of antibiotics on its population structure and resistance. The study suggests that antibiotics can select for resistant variants and shape the species' evolutionary dynamics.

Biomarkers help tailor diuretic use in acute heart failure patients

A study found that biomarkers like midregional proadrenomedullin and bio-adrenomedullin can predict mortality risk in acute heart failure patients. Patients with these biomarker levels above the median had significantly lower survival if not receiving diuretics at discharge.

Study analyzes mortality risks among pro athletes

A study analyzing mortality risks among pro athletes found elevated risks of death from cardiac and neurodegenerative diseases in football players compared to baseball players. The research, published in JAMA Network Open, suggests the existence of sport-specific disease mechanisms that mandate further investigation.

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.

Mathematically designed graphene has improved electrocatalytic activity

Researchers at Tohoku University have developed a graphene electrocatalyst with improved hydrogen evolution reaction performance by adding nitrogen and phosphorus dopants around well-defined edges of graphene holes. This approach enhances the number of active sites for chemical reactions to occur, leading to better electrolysis outcomes.

New research shows that mites and ticks are close relatives

A recent study has found that mites and ticks belong to the same evolutionary lineage, with over 42,000 mite species and 12,000 tick species described. This discovery expands our understanding of arthropod biodiversity and highlights the importance of genomic data in clarifying long-standing debates.

'Neural Lander' uses AI to land drones smoothly

A new AI-powered system, Neural Lander, uses a deep neural network to help autonomous drones land more safely and quickly, while gobbling up less power. The system has been tested and achieved significant improvements in landing accuracy, with reductions of up to 100% in vertical error and 90% in lateral drift.

Apple iPhone 17 Pro

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

Scientists discover signalling circuit boards inside body's cells

Researchers at the University of Edinburgh have discovered a cell-wide web that transmits signals across tiny distances, allowing cells to rapidly rewire their communication networks. This discovery could lead to new insights into diseases such as pulmonary hypertension and cancer.

Celestron NexStar 8SE Computerized Telescope

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

Hubble spies curious galaxy moving a little closer

The Hubble Space Telescope has captured an image of the galaxy Messier 90, which is moving towards the Milky Way at a speed of approximately 60 million light-years. This rare phenomenon is known as blueshift, where the galaxy's light is compressed and shifted towards the blue end of the spectrum.

Adding a carbon atom transforms 2D semiconducting material

Researchers successfully introduced carbon atoms into tungsten disulfide, creating an ambipolar semiconductor with bipolar effect. The technique enables the production of new components for energy-efficient devices with improved conductivity and catalytic activity.

100% renewables doesn't equal zero-carbon energy, and the difference is growing

A new Stanford study finds that companies claiming 100% renewable energy don't necessarily reduce carbon emissions by 100%. Hourly accounting methods show wind power produces more emissions reductions than solar power in California. The study highlights the need for hourly data to measure environmental benefits accurately.

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.

Odds of success

Engagement in extracurricular activities, such as student clubs, enhances analytical skills, leading to improved academic performance and higher job success. The study reveals a positive correlation between involvement in research, creative activities, and critical thinking development.

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.

Don't overdo omega-6 fat consumption during pregnancy

Research in rats found high linoleic acid intake may harm pregnant women, increasing inflammation and disrupting hormone regulation. The study suggests reducing linoleic acid consumption during pregnancy may mitigate these risks.

More than a protein factory

Researchers discovered that ribosomes in human cells destroy healthy mRNAs, affecting protein production and regulating gene expression. This discovery may lead to a better understanding of gene misregulation in human diseases.

Scientists uncover exotic matter in the sun's atmosphere

Researchers from Ireland and France used large radio telescopes and ultraviolet cameras to study the Sun's plasma, revealing its unstable nature and potential for harnessing clean energy. The discovery could pave the way for developing safe and efficient nuclear fusion reactors.

Soil communities threatened by destruction, instability of Amazon forests

A recent study published in Conservation Biology found that Amazonian deforestation leads to reduced abundance and diversity of soil fauna and microbes. The research team also discovered that land use patterns after forest clearance impact soil biodiversity, with certain species more vulnerable to displacement than others.

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.

Simple test can tell if you're stressed out

Researchers developed a device that uses ultraviolet light to measure stress biomarkers in bodily fluids, providing an easy-to-interpret result. The device can be used to monitor health and detect potential health problems, such as diabetes and high blood pressure.

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.

Do you hear what I hear?

A new study found that infants at high risk for autism were less able to distinguish between familiar and unfamiliar speech patterns. The researchers suggest that interventions should begin during infancy for those at high risk.

Nature inspires a novel new form of computing, using light

Researchers at McMaster University have developed a novel form of computing using light patterns and materials that react intuitively to light. This new approach enables simple calculations such as addition and subtraction without the need for power sources.

Technology better than tape measure for identifying lymphedema risk

A new study conducted by Vanderbilt University found that bioimpedance spectroscopy (BIS) is more effective than traditional tape measures in assessing the risk of developing lymphedema after breast cancer surgery. The technology reduces rates of progression by approximately 10%, a clinically meaningful improvement.

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.

US dentists out-prescribe UK dentists when it comes to opioids

Researchers found US dentists prescribe 37 times more opioids than UK counterparts in 2016, a peak year in the US opioid crisis. The study emphasizes the importance of adopting national guidelines for treating dental pain and promoting judicious opioid prescribing among US dentists.

Short-term use of opioids increases subjective pleasure

Researchers found that short-term opioid use intensifies feelings of pleasure while weakening negative emotions, shifting emotional responses towards the positive side. This effect is distinct from prolonged opioid use, which alters brain reward systems and diminishes sensitivity.

Dead roots double shoreline loss in gulf

A new Duke University-led study reveals that marsh plants killed by disturbances like the Deepwater Horizon oil spill can double shoreline erosion rates. The loss of wetland vegetation increases erosion on wave-stressed shorelines by 100%, according to researchers.

Fluke 87V Industrial Digital Multimeter

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

When macrophages are deprived of oxygen

Under hypoxic conditions, fewer metabolites are produced in the citric acid cycle, reducing bacterial reproduction in macrophages. This discovery provides a new method for pathogen control that doesn't rely on oxygen levels.

CBT could benefit mental health of children with long-term conditions

A systematic review found CBT to be effective in improving the mental health of children with long-term physical conditions, such as inflammatory bowel disease, chronic pain, and epilepsy. The study also highlighted the importance of building supportive relationships and considering a range of needs in treatment plans.

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.

Quantum computing boost from vapor stabilizing technique

Researchers from the University of Bath have patented a technique that allows electrons to be accessed for applications including quantum computing, atom cooling, and precision measurements. The innovation uses gold nanoparticles to stabilize alkali metal vapors, enabling fast and reproducible control over the vapor density.

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.

High sugar levels during pregnancy could lead to childhood obesity

Research found that pregnant women with high glucose blood levels are at increased risk of their children developing obesity in childhood. The study followed over 40,000 pregnancies and found a 13% higher risk of obesity if blood glucose levels were elevated on the screening test.

How interval training affects 'belly fat' in obese 70-year-olds

A 10-week interval training program improved body composition in older adults with belly fat, with participants losing nearly two pounds of fat mass and gaining lean body weight. The exercise program showed significant reductions in belly fat for men but not women, highlighting the need for further research.

Rice U. lab grows stable, ultrathin magnets

Rice University researchers have successfully grown a unique form of iron oxide with strong magnetic properties that is easy to stack atop other 2D materials. The material, epsilon iron(III) oxide, shows promise as a building block for exotic nanoscale structures that could be useful for spintronic devices and electronic applications.

Producing tissue and organs through lithography

Researchers are developing a top-down lithography method to create complex tissues and their anatomical microstructures. This approach uses light sheet illumination and special hydrogels to form branched chain structures that serve as a matrix for cell colonization.

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.

Report finds California above national average for sexual harassment rates

A joint study by University of California San Diego School of Medicine and CALCASA found California's reported sexual harassment rates are 5% higher for women and 10% higher for men compared to the national average. Immigrant-born men, as well as gay and lesbian Californians, are also at increased risk.

Older male crickets attract more females -- but have less sex

A study by University of Exeter scientists found that older male crickets are more attractive to females, leading to successful pairings, but they mate less frequently once paired. The researchers also discovered no relationship between a male's age at mating and offspring production.

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.