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Science News Archive 2021


Page 263 of 510

Beyond Remission: From Alcohol Dependence to Optimal Mental Health

A new study published in the journal Substance Use & Misuse found that 71% of Canadians with a history of alcohol dependence were no longer dependent, while 52% were free from any addictions or mental illness. The researchers also discovered that social support and age were strongly associated with optimal mental health, with older...

Printing flexible wearable electronics for smart device applications

Researchers have developed a printing technique to fabricate flexible supercapacitors, which can be bent, stretched, and twisted without losing electrochemical function. The printed devices use printable electrodes and functional inks, offering flexibility and low cost for various applications.

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.

Researchers test model to predict drug overdose deaths in US

A novel prediction model predicts US counties at high risk of future overdose death outbreaks, allowing for preemptive deployment of public health resources. The tool improves on existing methods by incorporating neighboring county data, predicting geographic spread of the overdose epidemic.

People with 'healthy obesity' are still at increased risk of disease

A new study found that individuals with metabolically healthy obesity (MHO) are at higher risk of developing diabetes, heart diseases, strokes, and respiratory diseases. Despite having a normal metabolic profile, MHO individuals face increased mortality rates compared to those with normal weight but unhealthy metabolism.

Apple iPhone 17 Pro

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

Scientists uncover the mysteries of how viruses evolve

Researchers developed a novel technique to study viral structure and evolution, revealing hallmarks of natural viruses in an artificial system. The findings suggest that these 'containers' efficiently package genetic cargo, potentially leading to new gene therapeutic applications.

Rural residents, American Indians travel farthest for certified stroke care

Stroke patients from rural areas and American Indian communities face significant challenges in accessing certified stroke centers due to longer distances. Demographic factors such as age, income, and insurance status also impact the distance to stroke care, with rural areas showing a reversal of expected relationships.

Ancient human-food feedback could boost tropical food security

For over 13,000 years, humans have thrived in tropical forest environments, transforming the natural landscapes into forest gardens. Ensuring local peoples' rights to their ancestral forest lands is crucial for conserving these sensitive environments and boosting food security.

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.

Flickering screens may help children with reading and writing difficulties

The study found that visual pixel noise significantly improved reading skills and memory recall in children with major reading difficulties, particularly phonological impairments. The amount of white noise was critical for achieving these improvements, with moderate levels showing the most significant effects.

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.

Latest tests on 6G return surprising results

A recent study published in Proceedings of the IEEE reveals that high-frequency signals can be managed more effectively than previously thought, addressing key challenges in 6G technology. The research has significant implications for applications such as haptic internet, mobile edge computing, and holographic communication.

Four collaborative research centres at Goethe University receiving funding

Goethe University is involved in four collaborative research centres funded by the German Research Foundation, including TRR 326 on uniformized structures and TRR 1039 on lipid signalling in health and disease. The centres aim to explore complex geometric spaces and develop innovative ways to diagnose and treat diseases.

A new mechanism behind continuous stem cell activity in plants

Researchers identified a novel vascular cell maintenance system where BEH3 competes with other transcription factors to stabilize vascular stem cell multiplication and differentiation. They also found that BEH3 hinders the activity of other BES/BZR transcription factors, indicating its opposing function in regulating vascular stem cells.

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.

Novel SERS sensor helps to detect aldehyde gases

A new SERS gas sensor developed by Prof. HUANG Qing's group can detect aldehydes with high sensitivity and selectivity, using Co-Ni LDH composite nanomaterials. The sensor's accuracy, repeatability, and selectivity have been verified through experiments.

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.

Changing community networks impact disease spread

A new study explores how changes in transportation networks impact disease spread, providing insights for future disease intervention strategies. The researchers developed techniques to quantify the effectiveness of different approaches in controlling disease outbreaks by analyzing network structure and hot spot placement.

Depression in old age: Smoking and other risk factors less decisive

Research at the Max Planck Institute found that people over 50 with multiple health risks are more likely to experience depression. However, the severity of depressive moods decreases with age, suggesting a potential psychological component and better coping mechanisms in older adults.

Cells construct living composite polymers for biomedical applications

Researchers at Duke University have demonstrated that living cells can construct semi-interpenetrating polymer networks (sIPNs) for biomedical applications. These cell-built materials exhibit medically relevant functions and could be used to release protective molecules, such as antibiotics, in a controlled manner.

Hush little baby don't say a word...

Children with documented child protection concerns are four times as likely to die before their 16th birthday due to family abuse and neglect. The study found a significant excess risk of death among boys and girls with the most serious child protection concerns, highlighting the need for improved services.

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.

For bay oysters, protection plus restoration creates healthiest reefs

A new study from the Smithsonian Environmental Research Center found that actively restoring oyster reefs can create healthier habitats than simply protecting them. The study used underwater videos to rate habitats and found that restored reefs earned the highest scores for oyster habitat, with 74% receiving a top ranking.

Study on plant roots challenges nature of ecological trade-offs

A new study published in Nature Ecology & Evolution reveals that root traits can explain plant species distributions across the planet, challenging the nature of ecological trade-offs. The research found that thick and dense roots are more common in warm climates, while thin and low-density roots are more common in cold climates.

Chamoli disaster could happen again

Researchers analyzed the causes and scope of the devastating Chamoli flood, which killed over 200 people and destroyed two hydropower plants. The study used satellite imagery and digital models to reconstruct the event, highlighting the risks of hydropower projects in fragile alpine ecosystems.

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.

How gender norms and job loss affect relationship status

A study by Pilar Gonalons-Pons and Markus Gangl found that unemployment affects romantic relationships more strongly in countries with strict gender norms. The researchers discovered a stronger association between men's unemployment and relationship breakup in societies where masculinity is tied to breadwinning, highlighting the signif...

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.

A spatiotemporal symphony of light

Scientists observe combined sound and light waves in atomically thin materials, finding that the hybrid wave can speed up and slow down spontaneously and split into two separate pulses. The discovery opens up new possibilities for optical communication through atomically thin layers.

New dipping solution turns the whole fish into valuable food

Researchers at Chalmers University of Technology have developed a dipping solution that significantly extends the storage time of fish side streams, increasing their value as food ingredients. The solution covers the surface with antioxidants, reducing oxidation and keeping quality high.

'Bad fat' suppresses killer T cells from attacking cancer

Researchers discovered that tumor microenvironment contains oxidized fat molecules that suppress killer T cells' ability to fight cancer. The process involves CD36 cellular fat transporter and leads to increased lipid oxidation, triggering stress response proteins and repressing anti-tumor functions.

Humans are ready to take advantage of benevolent AI

A new study found that people trust AI as much as humans, but are unwilling to compromise and cooperate with machines. Researchers conducted large-scale online studies using methods from behavioral game theory, finding a consistent pattern of 'algorithm exploitation' where humans exploit AI's benevolence for personal gain.

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.

How do plants balance microbial friends and foes?

Plants use metabolites, chemical signals, and dual receptor recognition to distinguish beneficial microbes from pathogens. A plant cell follows a flowchart to determine the response needed based on microbe type and lifestyle.

COVID-19 communication among authorities and the media

An international research project, funded by DFG, explores how governments, health institutions, and media communicate about COVID-19, analyzing its effects on the population. The study aims to identify effective risk and crisis communication strategies for better public understanding of pandemic risks.

Combating maritime litter

A study categorizes existing solutions for combating maritime litter, revealing a need for more developed technologies and integrated approaches. The researchers recommend defining standards for each solution to encourage further development and create a sustainable approach.

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.

Study shows how permafrost releases methane in the warming Arctic

Researchers from Skoltech conducted experiments measuring gas permeability under various conditions for ice-containing sediments mimicking permafrost. The study showed high probability of increasing permeability coupled with dissociation of gas hydrates in permafrost, leading to methane emissions into the atmosphere.

Sealed, signed and delivered

Hebrew University archaeologists found a rare 7,000-year-old seal impression with geometric stamps, marking shipments or silos. The discovery provides early evidence of commercial activity and long-distance trade in the Middle East.

Improved climate resilience through better seasonal forecasts

A KIT research team developed a new statistical method to improve global forecasts, enabling more accurate seasonal meteorological forecasts on the regional level. This can help mitigate local consequences of climate change, such as droughts and floods, by providing early warning of wet or dry periods.

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.

Lodgers on manganese nodules: Sponges promote a high diversity

A study by Tanja Stratmann and colleagues found that sponges attached to manganese nodules provide a habitat for numerous animal species, including small worms, crabs, and clams. Removal of the nodules would disrupt this ecosystem, leading to a significant reduction in animal diversity.

Winner Art of Neuroscience competition announced

The eleventh edition of the Art of Neuroscience competition has been won by Yas Crawford for her artwork 'Cognition IX', which explores neurological interoception in Myalgic Encephalomyelitis patients. The winner was chosen from over 293 entries and received praise for its perfectly composed image, full of movement and dynamic flow.

2021 Chamoli disaster triggered by massive rock and ice avalanche

A massive rock and ice avalanche in February 2021 killed over 200 people in Uttarakhand, India. The disaster was exacerbated by exceptional avalanche height, rock-to-ice ratio, and downstream hydroelectric infrastructure, underscoring the need for sustainable planning.

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.

Tuning the energy gap: A novel approach for organic semiconductors

Researchers at TU Dresden and TU Munich developed a novel method to engineer the energy gap in organic semiconductors by blending materials with varying molecular shapes. This approach enables continuous tunability of the energy gap, paving the way for efficient optoelectronic devices.

As a decade of ecosystem restoration kicks off, don't forget the people

Researchers have found that restoration action is at risk of failure if it doesn't consider the social and political dimensions of the effort. Key findings include a successful kelp restoration project centered on indigenous worldviews, and a lake restoration project whose main beneficiaries were well-heeled urban residents.