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Science News Archive 2019


Page 104 of 486

Protein that triggers plant defenses to light stress identified

Researchers have discovered a protein that triggers a defense mechanism in plant cells when exposed to excessive light, protecting them from damage. This finding has implications for agriculture, as it could help crops withstand harsh climate conditions and increase the production of proteins used in vaccines.

From ribbon to scroll: Gaining shape control by electrostatics

Northwestern University researchers have discovered a new method to control the formation of scroll-like cochleate structures, which could inform future drug-delivery strategies. By regulating electrostatic interactions and elastic energies, they were able to capture and release macromolecules in a size-selective manner.

Inside the fuel cell -- Imaging method promises industrial insight

Researchers demonstrate high-contrast imaging of water states for fuel cell applications and indicate how their new method can be applied to other hydrogen-relevant industrial processes. The team's cross-continental collaborations were critical to confirm experimental findings and optimize contrast-to-noise ratio in acquired images.

Study on climate protection: More forest -- less meat

A recent EU study found that expanding forest areas in Europe can help mitigate global warming by reducing meat consumption and transforming the food system. The research suggests that a minimum of 23% increase in forest area is needed to meet the Paris climate goal, while also ensuring a secure food supply.

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.

Osteoarthritis can increase your risk for social isolation

Research from the EPOSA study found that people with osteoarthritis are at higher risk of social isolation due to joint pain and limited mobility. Regular physical activity and social engagement can help alleviate this risk, suggesting potential benefits for healthcare providers in referring patients to senior centers.

Novel technique helps explain why bright light keeps us awake

Researchers at Salk Institute and UC San Diego developed a novel technique to trace neural connections, enabling them to understand how brain responds to light signals. They found that different time scales affect how neurons communicate with the retina and brain regions.

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.

Diversity may be key to reducing errors in quantum computing

Researchers at Georgia Institute of Technology developed Ensemble of Diverse Mappings (EDM) to improve quantum computer reliability. By combining output probability distributions of diverse ensemble, EDM amplifies correct answer by suppressing incorrect ones.

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.

A mathematical model reveals long-distance cell communication mechanism

A mathematical model developed by researchers at KAIST reveals how cells can communicate over long distances to spur collective action, even with short distance signaling. The team identified a cell communication mechanism that quickly forms a network of local interactions to facilitate synchronization.

Mindfulness may reduce opioid cravings, study finds

A study published in Drug and Alcohol Dependence found that combining mindfulness techniques with methadone therapy reduces opioid cravings and improves pain management. Researchers at Rutgers University discovered that mindfulness-based interventions can increase self-awareness, self-control over cravings, and emotional regulation.

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.

Mindfulness meditation training alters how we process fearful memories

A study published in Biological Psychiatry found that mindfulness meditation training enhances the ability to recall a 'safety' memory, leading to reduced fear and anxiety. The researchers used MRI scans to examine changes in the brain associated with attention and memory following mindfulness meditation training.

E-cigarettes: 5 things to know

E-cigarette use among Canadian youth has increased significantly, with a threefold risk of starting cigarettes among nonsmokers aged 14-30 who try e-cigarettes. E-cigarettes are unregulated devices with unknown long-term health risks and potentially serious pulmonary effects.

Apple iPhone 17 Pro

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

Frailty: The rising global health burden for an aging society

A new series on Frailty published in The Lancet highlights the need for evidence-based interventions and robust trials to prevent and manage frailty. Despite progress in understanding frailty, gaps in knowledge remain, including a lack of consensus on its definition and assessment.

Drug-light combo could offer control over CAR T-cell therapy

Researchers developed a system that allows for spatiotemporal control of CAR T-cell therapy, enabling cancer cells to target specific locations and times. This approach reduces the risk of non-specific targeting of organs and normal tissues, potentially improving treatment outcomes.

Celestron NexStar 8SE Computerized Telescope

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

Increased risk of tularemia as the climate changes

Researchers at Stockholm University developed a method to predict impacts of climate change on tularemia outbreaks. The study shows that relatively small changes in climate and water conditions can sharply increase incidence of tularemia in humans.

'I predict your words': that is how we understand what others say to us

A recent study published in eNeuro has shown that our auditory system and brain can make predictions about words in complex, uncertain, and noisy situations. The study used electroencephalography to analyze the brain waves of volunteers listening to unknown syllables, revealing a phenomenal ability to detect errors in predictions.

Targeting deeply held values crucial for inspiring pro-environmental behavior

A recent study suggests that targeting deeply held values is crucial for inspiring pro-environmental behavior. Researchers found that people with egalitarian values tend to care more about benefiting the environment, while those with hierarchical values prioritize authority and influence. The study's conclusions highlight the importanc...

Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Highest mortality risks for poor and unemployed

A recent study using a large German dataset reveals that good education and high income can reduce mortality rates, while unemployment increases the risk. The study highlights the importance of addressing socioeconomic factors to improve public health outcomes.

Factors that predict obesity by adolescence revealed

A new study has revealed three simple factors that predict whether a healthy weight child will be overweight or obese by adolescence. The research found that a child's and mother's Body Mass Index (BMI) and the mother's education level are key predictors of weight problems by age 14-15 years.

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.

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.

Gene mutation in the chloride channel triggers rare high blood pressure syndrome

Researchers have discovered that a gene mutation in the chloride channel causes hyperaldosteronism, leading to abnormally high blood pressure and kidney damage. The study used a mouse model to investigate the pathological mechanisms of the disease, providing insights into the effects of an open chloride channel on aldosterone production.

Repeated febrile convulsions linked to epilepsy and psychiatric disorders

A comprehensive register-based study from Aarhus University, Denmark, found a significant association between repeated febrile convulsions and the risk of developing epilepsy and psychiatric disorders. Children who suffered three or more febrile convulsions had a 15% risk of developing epilepsy within thirty years.

Lost in combat?

Researchers uncovered a collection of 31 unusual objects, believed to be the personal belongings of a Bronze Age warrior who died on the battlefield 3,300 years ago. The discovery provides insights into the equipment and origins of the warriors, with evidence suggesting at least some were from southern Central Europe.

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.

Putting the power of a film director in an autonomous drone

A team of Carnegie Mellon University researchers has developed a fully autonomous aerial cinematography system that can learn humans' visual preferences. The system uses deep reinforcement learning to reason about visually interesting scenes, safety, and context, making it useful beyond entertainment and sports applications.

Interstellar comet with a familiar look

A team of scientists from the Jagiellonian University discovered an interstellar comet with a familiar look, providing new insights into exosolar minor bodies. The comet's dusty morphology and reddish hue suggest it may be similar to native Solar System comets.

Astronomers use giant galaxy cluster as X-ray magnifying lens

Researchers have successfully used a massive galaxy cluster as an X-ray magnifying glass to detect a tiny dwarf galaxy in its first, high-energy stages of star formation. The technique allows for the zooming in on extreme, distant X-ray-emitting phenomena and could be used to age-date different parts of a galaxy.

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.

Work time and commercial market integration

In a large-scale study of 8 small-scale societies and 14 industrialized countries, researchers found that men engaged in commercial labor worked approximately 55 hours per week compared to 45 hours per week for noncommercial labor. Women across all levels of commercialization averaged around 55 hours per week.

Fluke 87V Industrial Digital Multimeter

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

Empty spaces, how do they make a protein unstable?

Researchers used NMR spectroscopy and hydrostatic pressure to study the impact of internal cavities on protein stability. They found that filling these cavities with water destabilizes the protein, which has significant implications for industrial enzymes and biological drugs.

Hope is a key factor in recovering from anxiety disorders

A University of Houston study found that hope increases during cognitive behavior therapy (CBT) for anxiety disorders, leading to greater recovery rates. Moderate-to-large increases in hope were consistent across different CBT protocols and anxiety disorders.

Shipment tracking for 'fat parcels' in the body

Scientists develop a new method to track lipid metabolism in the body, allowing for clearer distinction between marked and unmarked lipids. This breakthrough enables researchers to examine both normal and pathological deviations in detail, with potential applications for investigating drug side effects on fat metabolism.

The nano-guitar string that plays itself

Researchers at Lancaster University created a nano-electronic circuit that vibrates on its own when given an electrical current, generating motion directly from the energy. The carbon nanotube wire used in the device oscillated at frequencies too high for human hearing, producing sound waves equivalent to an A string pitched 21 octaves...

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.

Weak immune system linked to serious bacterial infection in children

A new study has found that nearly 70% of children with an immune deficiency had two or more bouts of invasive pneumococcal disease. The research suggests that a weakened immune system increases the risk of life-threatening bacterial infections such as pneumonia, meningitis, and sepsis.