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Science News Archive September 2020


Page 8 of 49

How the brain balances emotion and reason

The anterior cingulate cortex region 'area 32' relays information between cognitive and emotional brain regions, enabling emotional equilibrium. In depression, this balance is disrupted, with an overactive area 25 leading to negative emotions and rumination.

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.

To kill a quasiparticle: a quantum whodunit

A Monash University-led study identifies many-body dephasing as a fundamental cause of quasiparticle death, affecting superconductivity and superfluidity. The research sheds new light on the nature of quasiparticles and has potential implications for near-zero resistance electronic devices.

Study helps explain cognition decline after the menopause transition

A study identified mitochondrial biomarkers as significant contributors to memory decline after menopause, shedding light on the importance of energy production in women's cognitive health. Researchers found that efficient mitochondrial function was associated with better cognitive performance, particularly in executive functions.

Covid-19: Social distancing is more effective than travel bans

A new model forecasts Covid-19 epidemic dynamics and containment across different regions. Social distancing measures significantly delay the epidemic peak, while travel bans have a limited impact. The study's findings provide valuable insights for governments and industries to develop containment plans.

Plastic-eating enzyme 'cocktail' heralds new hope for plastic waste

Scientists have created a new enzyme 'cocktail' that can digest plastic up to six times faster than existing methods. The combination of two enzymes, PETase and MHETase, breaks down polyethylene terephthalate (PET) into its building blocks, enabling recycling and reducing greenhouse gas emissions.

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.

How important is sex to women as they age?

A significant percentage of women continue to value sex throughout midlife, with factors like ethnicity, health, and depression symptoms affecting their interest. The study identified three distinct trajectories in importance of sex with aging, with black women and those with higher education maintaining high levels of importance.

Lung cancer screening a step closer to reality following combined study

A study suggests that a national biennial lung cancer screening program could be cost-effective for Māori in New Zealand. The program aims to reduce population inequities relating to lung cancer among Māori. Early-stage lung cancer can be curable, and screening may help save lives by identifying the disease at an early stage.

Enzymatic breakdown of PET plastic

Researchers successfully degrade PET plastic using a two-enzyme system and engineered chimeric enzyme that works synergistically to break down the plastic pollutant. The discovery could lead to new methods for plastics depolymerization, offering an alternative to traditional recycling methods.

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.

The Arctic is burning in a whole new way

The Arctic wildfire season is changing, with widespread wildfires burning earlier and farther north. Zombie fires, where fires smolder in peat underground, are a new feature of recent Arctic fires. The consequences for the global climate could be significant, including rapid thawing of permafrost and release of greenhouse gases.

Research confirms link between sleep apnea and Alzheimer's disease

A new study has confirmed the long-suspected link between sleep apnea and Alzheimer's disease, identifying identical signs of brain damage in both conditions. The research found amyloid plaques, a known indicator of Alzheimer's, in the brains of people with obstructive sleep apnea.

Apple iPhone 17 Pro

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

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.

Microbiome-based technologies drive multibillion-dollar market

A new field of research in microbiology is transforming the way scientists see fungi, bacteria, and other microorganisms. Advances in genetic sequencing and bioinformatics have enabled scientists to discover the diversity and functions of microorganisms, leading to breakthroughs in agricultural products and disease treatment.

Could your menopause symptoms be hard on your heart?

A new study suggests that women experiencing two or more moderate to severe menopause symptoms are at a significantly higher risk for cardiovascular disease and stroke. The research found no association with other health outcomes, such as cancer risk, when supplementation of calcium and vitamin D was investigated.

Disastrous duo: Heatwaves and droughts

A new study by McGill University researchers finds that combined dry and hot events are increasing in frequency and size, causing widespread damage. The study suggests that climate change is driving these extremes, which can be particularly devastating for agriculture and ecosystems.

Compulsivity and goal-directed behavior

Adolescents with compulsivity traits show reduced brain development and delayed goal-directed behavior, suggesting a link between compulsivity and atypical cognitive development. Compulsivity is associated with less-pronounced remodeling of brain circuitry during adolescence.

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.

New interactive tool will help farmers contain the spread of clubroot

A new interactive tool, ClubrootTracker, has been developed to help farmers locate and manage clubroot-infected areas. The tool groups the distribution of clubroot disease in one place, making it easier for farmers, researchers, and industry representatives to share information and plan a clubroot-free farm.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

A red future for improving crop production?

Researchers have engineered a red-algae-like Rubisco enzyme into crops, doubling CO2-fixation rates. The breakthrough aims to increase crop production and improve photosynthesis efficiency.

Patients' breathing test comes up short on accuracy, study finds

A widely used breathing test for patients with respiratory problems is flawed, according to a new study, as it fails to account for individual breathing patterns. Increasing the measurement time to two minutes and using specialized equipment could improve accuracy.

COVID-19: Saliva tests could detect silent carriers

Scientists at Hokkaido University developed a saliva test that detects asymptomatic COVID-19 cases with high sensitivity and specificity. The study found that saliva samples can accurately identify infected individuals without symptoms, reducing the risk of viral transmission to healthcare workers.

Wind forecasts power up for reliable energy production

KAUST researchers developed a statistical model providing the best wind forecast yet for Saudi Arabia, aiming to increase renewable energy in the grid and reach 9 gigawatts of installed wind energy by 2030. The model uses advanced statistical approaches to jointly model wind speed and direction, showing improved prediction performance.

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.

What membrane can do in dealing with radiation

Researchers developed a novel γ-radiation intensity sensor using polymethylmethacrylate and polyvinyl chloride membranes. The sensor changes color in response to increasing radiation intensity, allowing for quick and easy measurement.

Quieter wind beneath the wings

A new simulation approach has enabled faster computation of complex airfoil noise characteristics under extreme conditions, accelerating the development of quieter designs. The method uses a wall-modeled large-eddy simulation to model near-surface flows at high resolution while reducing computational intensity.

New method allows precise gene control by light

A novel optical switch enables precise control over the lifespan of genetic copies by attaching aptamers to molecular markers. This method can be used to specifically switch off practically every mRNA molecule in a cell in a controlled manner, opening up new avenues for investigating dynamic processes in living cells.

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.

Spin clean-up method brings practical quantum computers closer to reality

Researchers at Osaka City University have developed a quantum algorithm that removes pesky spin contaminants from chemical calculations on quantum computers. This breakthrough enables precise and accurate predictions of atomic and molecular behavior, which is crucial for applications such as pharmaceuticals and materials research.

A new twist on public health tick surveillance

Researchers aim to pinpoint specific areas with the highest risk of tick-borne disease transmission using GPS data loggers and interviews with people with tick-borne diseases. The study's findings will inform targeted interventions to address a major public health threat in the US.

Celestron NexStar 8SE Computerized Telescope

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

FSU researchers help develop sustainable polymers

Researchers at FSU have made new discoveries on the effects of temperature on sustainable polymers, which may help produce environmentally friendly plastics. The team found that certain polymers crystallize in unusual ways when cooled, leading to increased toughness and potential applications for sustainable plastic production.

Not just a phase

University of Pittsburgh professors Nathan Youngblood and Feng Xiong receive $380,000 to study phase-change materials for high-speed computing and optical storage applications. The project aims to overcome the challenges in electrically-controlled optical memory devices.

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.

Pair of massive baby stars swaddled in salty water vapor

The team discovered two massive young stars shrouded by gaseous disks containing sodium chloride and heated water vapor. The disks are counter-rotating, indicating the pair may not be twins, but rather strangers formed in separate clouds.

A clearer view of what makes glass rigid

The University of Tokyo researchers employed a new computer model to simulate amorphous solids and their strength. They found that the internal network of force-bearing particles is responsible for giving glass its rigidity.

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.

Changes by income level in cardiovascular disease in US

Researchers found a significant decline in cardiovascular disease prevalence among high-income individuals in the US from 1999 to 2016. The study also revealed disparities in cardiovascular disease burden by income level within the US population.

"Stretching rack" for cells

Researchers create micro-scaffolds that stretch cells, triggering a response to external forces. The cells counteract deformation with motor proteins, increasing their tensile forces and adapting to dynamic environments.

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.

Nerve cells let others "listen in"

A recent study published in Neuron reveals that the brain's signal transmission is regulated by the environment, with certain processes allowing for more open communication between neurons. The researchers found that astrocytes, specialized cells in the brain, play a crucial role in shielding communication to some extent.