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Science News Archive December 2020


Page 28 of 39

More years of obesity means higher risk of disease, study finds

A new study found that individuals with longer durations of obesity are at a higher risk for cardiometabolic disease factors. The duration of obesity exposure between ages 10 and 40 years was associated with worse values for blood pressure, cholesterol, and glycated hemoglobin (blood sugar) measurements.

UCI-led study offers new approach for more accurate epidemic modeling

Researchers propose a new class of epidemiological models based on the use of fractional exponents to accurately predict disease spread and transmission. The study found that these models provide substantially different predictions compared to previous models, especially in early phases of an epidemic.

Apple iPhone 17 Pro

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

Breakthrough optical sensor mimics human eye, a key step toward better AI

Researchers at Oregon State University have developed a breakthrough optical sensor that can mimic the human eye's ability to perceive changes in its visual field. The sensor uses ultrathin layers of perovskite semiconductors to detect light intensity changes, enabling it to prioritize signals from photoreceptors detecting movement.

Adapting magnetometers for noisy, physically demanding environments

Researchers adapt high-sensitivity optically pumped magnetometers to measure magnetic fields in extreme environments, including geological movements, solar flares, and neural activity. The study highlights techniques to enhance signal and reduce noise, shedding light on emerging hybrid sensors.

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.

Luxembourg researchers receive prestigious international award

Two Luxembourg Institute of Health researchers have been recognized with the prestigious 2019 Galien Prize in Pharmacology for their groundbreaking research on atypical chemokine receptors. Their work has significant implications for understanding various physiological and pathological processes, including immune responses and cancer.

Magnetic bacteria as micropumps

Scientists have discovered a way to control the flow of liquids using magnetotactic bacteria, which can be used to transport cancer drugs directly to tumors. The bacteria produce an effect similar to that of a micropump, allowing for precise control over the movement of active substances.

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.

Focus on human factor in designing systems

A new study explores how human decision-making impacts engineered systems. Researchers found that people often overestimate their abilities and succumb to biases, leading to inefficiencies in system design.

Using targeted microbubbles to administer toxic cancer drugs

New research uses microbubbles to deliver anticancer drugs directly to tumour sites, improving efficacy and reducing harm to healthy cells. The technology allows for targeted delivery of highly toxic drugs with precision, increasing potency and reducing side effects.

Understanding COVID-19 infection and possible mutations

Penn State researchers computationally modeled the attachment of SARS-CoV-2 protein spike to ACE2, finding it highly optimized for human binding. The team also explored changes in the virus spike that could alter its affinity with human ACE2, potentially informing future research on vaccine durability and animal transmission.

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.

Dogs may never learn that every sound of a word matters

Despite excellent auditory capacities, dogs fail to attend to differences between words with single speech sound variations. This may be why dogs' learned vocabulary remains low throughout life. Brain activity studies show dogs quickly differentiate known from nonsense words but not those differing in just one sound.

Labeling paid 'influencer' vaping posts as ads draws attention

Researchers found that labeling paid vaping influencer Instagram posts with #ad or #sponsored effectively grabs attention and captures viewers' attention. The study suggests that such labels may be an effective tool to discourage young people from picking up a harmful habit.

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.

Study: Bartonella infection associated with psychiatric symptoms and skin lesions

A recent study published by North Carolina State University researchers has identified a significant association between Bartonella infection and the development of neuropsychiatric symptoms, including depression, anxiety, and sleep disorders. The study also found that many patients with Bartonella infections exhibited skin lesions, wh...

Studying trust in autonomous products

A Stanford University study reveals that users' moods play a significant role in shaping their trust in smart technologies. The research found that participants trusted devices more when they were in a positive mood, regardless of the experiment's intent. However, user trust also differed by age group, gender, and education level, with...

Better benzene sensing at laser point

Researchers developed a compact laser-based sensor that accurately senses extremely low concentrations of benzene in real time, outperforming existing devices. The device detects trace benzene levels, including in parking garages and service stations, with higher sensitivity than conventional sensors.

Army looks to improve quadrotor drone performance

Researchers created a trajectory planner that enables drones to quickly switch between hover and forward flight, reducing transition time by half. The system uses aerodynamic models to optimize flight movements, allowing for more agile maneuvers in dense or urban areas.

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.

Study finds possible harm to seniors' fall risks with higher doses of vitamin

Researchers found that large doses of vitamin D supplements offered no benefits in preventing falls among people aged 70 and older. In contrast, lower doses were associated with a reduced risk of falls. The study's findings challenge the common assumption that higher doses are always better for vitamin D supplementation.

A molecule like a nanobattery

Researchers at University of Oldenburg develop complex molecular compound with high electron capacity, revealing new understanding of charge storage in metal centres. The model molecule functions as a 'mini segment of an energy storage material', paving the way for future design elements in molecular catalysts.

Stretchable micro-supercapacitors to self-power wearable devices

Researchers at Penn State have developed a new system that can harvest energy from human breathing and motion to power wearable health-monitoring devices. The system uses stretchable micro-supercapacitors with an island-bridge design, allowing it to stretch up to 100% without losing its functionality.

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.

Vitamin boosts essential synthetic chemistry

Researchers at Rice University have developed a novel method for producing olefins, or alkenes, using vitamin B12 and blue light, eliminating harsh chemicals typically needed in the process. This breakthrough could lead to more efficient and sustainable production of drugs, agrochemicals, and plastics.

Study can orient use of melatonin in the treatment of breast cancer

Researchers discovered that melatonin may regulate gene expression and intensify tumor suppressor genes, leading to increased tumor cell death and reduced proliferation. The study identified target genes for melatonin, which could guide personalized therapies for breast cancer patients.

Eric Beckman named 8th National Academy of Inventors Fellow from Pitt

Dr. Eric Beckman, a renowned engineer at the University of Pittsburgh, has been recognized as an NAI Fellow for his groundbreaking research in molecular design, biomedical polymers, and sustainability. His work aims to create new knowledge that benefits human health and the environment.

Research reveals how COVID-19 affects the eyes

A study by Anglia Ruskin University found that COVID-19 can cause various eye symptoms, with 16% of respondents reporting sore eyes as a symptom. The researchers argue that sore eyes should replace conjunctivitis as a possible COVID-19 symptom due to its differentiation from other types of infections.

A colossal step for electronics

Researchers at Osaka University have created thin films of neodymium nickel oxide with an electrical resistance that can change dramatically by controlling the distribution of hydrogen ions. This breakthrough could lead to novel switches and potentially entirely new kinds of computer circuits.

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.

Transforming the scientific community

The American College of Neuropsychopharmacology (ACNP) has launched initiatives to address diversity and inclusion, with a focus on overcoming microaggressions that contribute to low representation of women and underrepresented minority groups in academic leadership. Evidence-based strategies and practical solutions are being implement...

Getting to the bottom of Arctic landslides

Scientists from CNRS and Melnikov Permafrost Institute conduct cold room simulation to demonstrate permafrost's role in soil collapse. Heterogeneous frozen soils with vertical ice wedges undergo major deformation during thawing, accelerating subsidence and greenhouse gas release.

A standout superalloy

Researchers developed a new class of high-strength, defect-resistant superalloys that can be 3D-printed with minimal material waste. The nickel-based alloys overcome cracking issues in traditional AM processes, making them suitable for complex one-off components in extreme environments.

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.

Smartphone data shows real-time impact on health

A study by Cornell University researchers found that older adults in NYC are more likely to report fatigue and pain when encountering stressful social environments. The study used smartphone-based data collection to track participants' movements, activities, and emotions.

Science leaders issue clarion call for evidence-based policy

A group of US science leaders have issued a clarion call for evidence-based policy in response to ongoing challenges. The American Institute of Biological Sciences has long advocated for informed decision-making based on the best available evidence, highlighting past successes in addressing issues like acid rain and climate change.

Tiny nanospindles enhance use of ultrasound to fight cancer

Scientists developed vanadium-doped titanium dioxide spindles that sensitize cancerous tumors to ultrasound waves, killing tumor cells without harming healthy tissue. The spindles catalyze chemical processes in the tumor microenvironment, attacking cells with sound waves and chemotherapy.

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.

Safety of delaying surgery for high-risk prostate cancer

Researchers investigated delaying radical prostatectomy surgery for up to six months in patients with high-risk prostate cancer. The results indicate that delaying surgery may be associated with worse outcomes, highlighting the need for personalized treatment decisions.

New findings shed light on the repair of UV-induced DNA damage

Researchers have clarified the regulatory mechanism of the ubiquitin-proteasome system in recognizing and repairing DNA damaged by ultraviolet light. The study reveals that proteasomes' protein degradation activity and architectural integrity are involved in regulating DDB2 protein-mediated DNA damage repair.

Visual short-term memory is more complex than previously assumed

A team of researchers has found that visual short-term memory retains multiple types of information, including color, texture, and name, in a single phase. This challenges previous assumptions about the complexity of visual short-term memory and highlights the importance of complex brain activity analysis.

Using Earth's history to inform the search for life on exoplanets

The UCR-led team is studying Earth's diverse chapters of history to find templates for examining exoplanets. By analyzing ancient rock samples and modern sediments, the team will design telescopes and refine models to detect biosignature gases in distant exoplanet atmospheres.

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.

Human systems management critical for businesses during COVID-19

Researchers share critical information and solutions to address behavioral challenges posed by the pandemic, including new working models, digital service approaches, and learning strategies. The papers explore various aspects of human systems management, from employee engagement to occupational health and safety.

Researchers discover treatment that suppresses liver cancer

A new treatment combination combining radiofrequency ablation and chemotherapy drug sunitinib significantly reduces tumor growth and extends the life span of mice with liver cancer. The therapy triggers an immune response to target and destroy liver cancer cells.

Racial microaggressions contribute to disparities in STEM education

A recent study from University of Illinois researchers found that racial microaggressions contribute to disparities in STEM education programs. Students of color who experience exclusion, invisibility, or isolation on campus are less likely to continue in STEM majors. The study aimed to encourage STEM-related academic programs to addre...

How poor oral hygiene may result in metabolic syndrome

Researchers found that infection with Porphyromonas gingivalis causes skeletal muscle metabolic dysfunction, leading to insulin resistance and metabolic syndrome. The study also discovered a link between periodontal bacteria and altered gut microbiome, which contributes to the development of metabolic syndrome.

Celestron NexStar 8SE Computerized Telescope

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

A major research grant awarded to Professor Roberge's team on sociology of AI

An international research team led by Professor Jonathan Roberge has been awarded a $2.4 million grant to explore the sociological implications of artificial intelligence. The project, titled "Shaping 21st Century AI", will analyze debates around AI in four countries and examine how it is perceived as a problem or solution.

Wildfire risk rising as scientists determine which conditions beget blazes

Researchers at PNNL investigate the role of soil moisture and atmospheric conditions in estimating fire risk. Surprisingly, just enough humidity can boost lightning ignition, leading to wildfires. The study reveals a rising wildfire trend, with 'compound case' fires striking more frequently than others.

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.

New method to boost supply of life-saving stem cells

Researchers have discovered a protein that can expand typically scarce blood stem cells, potentially leading to new methods for growing a large quantity of these cells inside and outside the human body. The findings could benefit patients with inherited blood disorders and certain types of blood cancers.