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Science News Archive November 2020


Page 1 of 43

Deep-sea volcanoes: Windows into the subsurface

Research at Brothers submarine arc volcano reveals distinct microbial communities shaped by magmatic gases and hydrothermal fluids, highlighting the complexity of subsurface geology in forming high biodiversity. Over 90 new bacterial and archaeal families are discovered, providing insights into life's evolution on Earth.

SourcePortland State University·JournalProceedings of the National Academy of Sciences·DateNov 30, 2020

Cortex over reflex: Study traces circuits where executive control overcomes instinct

A new study by MIT neuroscientists demonstrates that neurons in the anterior cingulate cortex project connections into an evolutionarily older region called the superior colliculus, overriding its basic commands for reflexive movement. The research shows how inhibitory control from the ACC modulates the SC's response to facilitate exec...

SourcePicower Institute at MIT·JournalNature Communications·DateNov 30, 2020

Preschool children can't see the mountains for the cat

A new study by Ohio State University researchers found that preschool children struggle to recognize scenes when asked to remember only the scene, but can easily distinguish between objects. This bias towards object-focused attention may be linked to early infant development and language acquisition.

SourceOhio State University·JournalChild Development·DateNov 30, 2020
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.

Fit gamers challenge 'fat' stereotype, new esports research

A new study by Queensland University of Technology found that esports players are up to 21% healthier than the general population, with many engaging in over an hour of physical exercise per day. The research also showed that top esports players were significantly more physically active and less likely to smoke or drink daily.

SourceQueensland University of Technology·JournalInternational Journal of Environmental Research and Public Health·DateNov 30, 2020

Malicious dark web activity unevenly prevalent in free nations, researchers find

A new study published in the Proceedings of the National Academy of Sciences found that potentially harmful use within the Tor system clusters disproportionately in liberal democratic regimes. Only 6.7% of users globally employ Tor for malicious purposes on an average day, with most users using it for benign web content.

SourceVirginia Tech·JournalProceedings of the National Academy of Sciences·DateNov 30, 2020
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.

Link found between drought and HIV among women in less-developed countries

New research from Lehigh University explores the link between drought, food insecurity, and HIV among women in less-developed countries. The study finds that drought escalates food insecurity, leading to reduced access to education, healthcare, and autonomy, ultimately increasing the percentage of HIV cases among women.

SourceLehigh University·JournalSocial Indicators Research·DateNov 30, 2020

Tipping point for the climate can already be a reality in East Asia

A new study suggests that the climate in inner East Asia has reached a tipping point, where recent hot and dry summers may be irreversible. The study used tree rings to reconstruct changes in soil moisture and frequency of heat waves, revealing that the region has not seen these conditions in over 260 years.

SourceUniversity of Gothenburg·JournalScience·DateNov 30, 2020

Influence of peer choices on adolescents

A study of US adolescents aged 15-17 found that those who had not used substances exhibited enhanced neural responses when observing peers making safe choices. Peer influence was associated with safer health risk behaviors in adolescents.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 30, 2020

Mystery of Siberian freshwater seal food choice solved

Baikal seals' unique comb-like teeth allow them to expel water while retaining prey during high-speed hunting. Their small size enables a net energy gain from consuming tiny amphipods, which are challenging for other aquatic mammals to eat.

SourceResearch Organization of Information and Systems·JournalProceedings of the National Academy of Sciences·DateNov 30, 2020
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.

How does the spider spin its self-assembled silk?

Scientists at Kyoto University have discovered a new method for producing artificial spider silk by combining acidification and liquid-liquid phase separation. This breakthrough could lead to the development of sustainable, high-strength fibers with potential applications in manufacturing.

SourceKyoto University·JournalScience Advances·DateNov 30, 2020

Raman holography

Researchers have developed a new method called Raman holography, which uses surface-enhanced Raman scattering to image and analyze single particles in three dimensions. This technology has the potential to revolutionize fields such as live cell imaging and anti-counterfeiting.

SourceICFO-The Institute of Photonic Sciences·JournalNature Nanotechnology·DateNov 30, 2020

How we learn words and sentences at the same time

Adults can acquire a complex language through cross-situational statistical learning, solving the chicken-and-egg problem of word meaning and sentence structure. By keeping track of associations between words and scenes across hundreds of trials, learners can figure out word meanings and roles in sentences.

SourceLancaster University·JournalCognition·DateNov 30, 2020

Nanoscopic barcodes set a new science limit

The University of Technology Sydney led collaboration created a nanocrystal growth method that produces programmable atomic thin layers, arbitrary barcoded nanorods with morphology uniformity. The result is millions of different kinds of nanobarcodes for future nanoscale sensing applications.

SourceUniversity of Technology Sydney·JournalNature Communications·DateNov 30, 2020
Apple iPhone 17 Pro

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

How smart cities can serve citizens

Singapore's smart city initiatives harness data and digital tools to design a greener, more livable and sustainable city. However, experts caution that these technologies must be balanced with material infrastructure development to address issues like inequality.

SourceSingapore Management University·DateNov 30, 2020

Study reveals new findings on nature's UV sunscreens

A new study by Swansea University scientists has found that mycosporine-like amino acids, nature's UV sunscreens, are increased when exposed to far-red light. This discovery challenges current understanding of their role in temperature regulation and environmental balance.

SourceSwansea University·JournalScientific Reports·DateNov 30, 2020

Ultrathin spray-applied MXene antennas are ready for 5G

Researchers at Drexel University have developed ultrathin spray-applied MXene antennas that surpass copper antenna performance in terms of thinness, flexibility, and durability. The new technology has the potential to enable significant advancements in IoT technology and mobile communication networks.

SourceDrexel University·JournalAdvanced Materials·DateNov 30, 2020

Researchers explore population size, density in rise of centralized power in antiquity

A University of Maine-led team developed a model, Power Theory, which suggests that demography played a crucial role in the transition from egalitarian hunter-gatherer societies to centralized authority. The researchers found a correlation between population density and size, and the change in power dynamics in early Peruvian societies.

SourceUniversity of Maine·JournalPhilosophical Transactions of the Royal Society of London (B )·DateNov 30, 2020
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.

Math enables custom arrangements of liquid 'nesting dolls'

Princeton University researchers have developed a new method to design and control complex mixtures with multiple phases, mimicking the arrangement of Russian matryoshka dolls. This approach uses graph theory to predict final arrangements of phases in a mixture when surface energies are known.

SourcePrinceton University, Engineering School·JournalPhysical Review Letters·DateNov 30, 2020

Jaguars robust to climate extremes but lack of food threatens species

A QUT-led study reveals jaguars in the Amazon can cope with drought and flood, but repeated exposure leads to rapid decline. The species' long-term survival is threatened by climate change and food scarcity, with predictions suggesting a potential population crash in 30 years.

SourceQueensland University of Technology·JournalEcology and Evolution·DateNov 30, 2020

AI model uses retinal scans to predict Alzheimer's disease

An AI model developed at Duke University successfully identified patients with Alzheimer's disease from retinal images, suggesting its potential as a predictive tool. The study provides proof-of-concept for machine learning analysis of certain types of retinal images to detect the neurological disease in symptomatic individuals.

SourceDuke University Medical Center·JournalBritish Journal of Ophthalmology·DateNov 30, 2020
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.

Bacteria in iron-deficient environments process carbon sources selectively

Researchers at Northwestern University found that bacteria in low-iron environments reroute their metabolic pathways to favor producing iron-scavenging compounds. This study provides insights into the impact of iron on carbon cycling in bacterial cells, with implications for ecosystem health and environmental biotechnology.

SourceNorthwestern University·JournalProceedings of the National Academy of Sciences·DateNov 30, 2020

Holographic fluorescence imaging

Holographic fluorescence imaging combines sensitivity, resolution, and specificity to track individual particles in 3D. The technique uses lateral shearing-interferometry to access phase information of each photon, enabling single-molecule sensitivity.

SourceICFO-The Institute of Photonic Sciences·JournalScience Advances·DateNov 30, 2020
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.

Simulations open a new way to reverse cell aging

A KAIST research team used simulations to identify an enzyme that can reverse cellular senescence, a natural process contributing to aging and age-related diseases. By targeting the enzyme PDK1, cells were able to re-enter the cell cycle without proliferating abnormally.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalProceedings of the National Academy of Sciences·DateNov 30, 2020

Transportation of water into the deep Earth by Al-phase D

Al-phase D mineral discovered to transport and host water up to 1200 km in lower mantle, improving stability against pressure and temperature. Researchers measured sound velocities and density of Al-phase D using synchrotron X-ray techniques, providing clear understanding of seismic velocities of hydrous rocks.

SourceEhime University·JournalGeophysical Research Letters·DateNov 30, 2020

A shapeshifting material based on inorganic matter

Researchers at RIKEN develop a material that can change from soft to hard and back again in response to temperature changes, mimicking the properties of sea cucumbers. The material's structure is manipulated using electrostatic repulsion and gold nanoparticles, enabling rapid and reversible shape shifts.

SourceRIKEN·JournalNature Communications·DateNov 30, 2020

Lower current leads to highly efficient memory

Researchers have developed a gallium arsenide-based ferromagnetic semiconductor that can act as memory by quickly switching its magnetic state in the presence of an induced current. The new material suppresses instability and lowers power consumption, offering highly efficient memory.

SourceUniversity of Tokyo·JournalNature Electronics·DateNov 30, 2020

New cyberattack can trick scientists into making toxins or viruses -- Ben-Gurion University researchers

Researchers at Ben-Gurion University have discovered a new end-to-end cyber-biological attack that can trick scientists into generating dangerous toxins in their labs. The attack uses malware to interfere with biological processes within the victim's lab, exploiting weaknesses in biosecurity screening protocols and cybersecurity controls.

SourceAmerican Associates, Ben-Gurion University of the Negev·JournalNature Biotechnology·DateNov 30, 2020
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.

Chemical compounds in foods can inhibit a key SARS-CoV-2 enzyme

Researchers found that green tea and muscadine grape extracts can inhibit the Mpro enzyme in SARS-CoV-2, while dark chocolate and cacao powder showed reduced activity. The study suggests that these plant compounds could be used to develop new treatments for COVID-19.

SourceNorth Carolina State University·JournalFrontiers in Plant Science·DateNov 30, 2020

Earth faster, closer to black hole in new map of galaxy

A new study using VERA data has revised Earth's velocity around the Galactic Center from 220 km/s to 227 km/s, making it faster. The revised calculation places Earth approximately 2000 light-years closer to the supermassive black hole at the Galaxy's center.

SourceNational Institutes of Natural Sciences·JournalPublications of the Astronomical Society of Japan·DateNov 30, 2020

Plant-based diet ramps up metabolism, according to new study

A new study published in JAMA Network Open found that a plant-based diet increased after-meal calorie burn by 18.7% in overweight participants, leading to significant weight loss and cardiometabolic benefits. The study also showed reductions in fat mass, visceral fat volume, and liver and muscle cell lipid levels.

SourcePhysicians Committee for Responsible Medicine·JournalJAMA Network Open·DateNov 30, 2020
Celestron NexStar 8SE Computerized Telescope

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

Fingerprints' moisture-regulating mechanism strengthens human touch - study

Human fingerprints have a self-regulating moisture mechanism that helps avoid dropping objects, enabling the development of better prosthetic limbs and virtual reality environments. By regulating skin moisture, fingerprints maximize friction on various surfaces, giving primates an evolutionary advantage in dry and wet conditions.

SourceUniversity of Birmingham·JournalProceedings of the National Academy of Sciences·DateNov 30, 2020

ESMO Immuno-Oncology Virtual Congress 2020

The ESMO Immuno-Oncology Congress 2020 discussed the latest developments in cancer treatment, including adjuvant and neoadjuvant treatments, tumour microenvironments, and novel therapeutics. The event also examined the impact of COVID-19 on immunotherapy in cancer patients.

SourceEuropean Society for Medical Oncology·DateNov 30, 2020

Study shows strong links between music and math, reading achievement

A recent study by a researcher at the University of Kansas found statistically significant associations between music achievement and reading/math achievement in over 1,000 middle-school students. The findings suggest that there may be general learning processes underlying all academic achievement, regardless of the subject.

SourceUniversity of Kansas·JournalJournal of Research in Music Education·DateNov 30, 2020

COVID-19 news from Annals of Internal Medicine

A systematic review of COVID-19 data in the US reveals disproportionately higher rates of infection and mortality among African American/Black and Hispanic populations. The authors call for urgent interventions to mitigate these disparities. Read the full text to learn more about the findings.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateNov 30, 2020
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.

Protein commonly screened for in pregnancy is linked to gestational diabetes

A UMass Medical School study finds that low levels of PAPPA, commonly screened for chromosomal disorders, are associated with adipose tissue remodeling and gestational diabetes. The protein is linked to insulin-like growth factor-1 (IGF-1), which promotes healthy adipose tissue development during pregnancy.

SourceUMass Chan Medical School·JournalScience Translational Medicine·DateNov 30, 2020

Worst-case emissions projections are already off-track

New research from CU Boulder finds that worst-case emissions projections used by the IPCC are not reflecting the slowing rate of growth in the global economy. This suggests that these high-emissions scenarios have already diverged from reality and may continue to do so over the coming decades.

SourceUniversity of Colorado at Boulder·JournalEnvironmental Research Letters·DateNov 30, 2020

Air pollution spikes linked to lower test scores for Salt Lake County third graders

A new study found that frequent peak air pollution exposure was associated with reduced math and English language arts test scores for third graders in Salt Lake County. Chronic exposure also had an impact on test scores, but the effect disappeared when controlling for social disadvantage factors.

SourceUniversity of Utah·JournalInternational Journal of Environmental Research and Public Health·DateNov 30, 2020
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.

Wuhan mass screening identifies hundreds of asymptomatic cases

A mass screening programme in Wuhan identified 300 asymptomatic COVID-19 cases with no viable virus detected, and close contacts did not test positive. The study suggests strict non-pharmaceutical interventions such as mask-wearing and social distancing reduced the virulence of Covid-19.

SourceUniversity of East Anglia·JournalNature Communications·DateNov 30, 2020

Fingerprints and grip control

A study reveals that fingerprints facilitate grip by controlling friction through the interaction of sweat glands and moisture. The researchers found that fingerprint ridges effectively block sweat glands when in contact with a surface, resulting in maximum friction.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 30, 2020

Study reveals unintended impact of conversation policies

A new study investigates the closure of a marine area in the Pacific Ocean to fishing, revealing that it could drive up offshore fish prices and increase tourists' consumption of reef fish. However, offering tourists a local and sustainable offshore fish choice can avoid environmental impacts on nearshore reef ecosystems.

SourceUniversity of East Anglia·JournalNature Food·DateNov 30, 2020
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.

Killer electrons in strumming sky lights

A team of researchers led by Nagoya University has discovered that killer electrons, resulting from the pulsating aurora, could be involved in ozone destruction. The high-energy electrons are believed to cause damage when they penetrate satellites, and their presence in the middle atmosphere is associated with the pulsating aurora.

SourceNagoya University·JournalGeophysical Research Letters·DateNov 30, 2020

How the shrew brain adapts to winter

Researchers found that shrews' brains reduce metabolic demands in winter by adapting neural structure and activity, including thinner layer 4 neurons and fewer parvalbumin-positive interneurons. These adaptations may help shrews conserve energy during winter.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 30, 2020

When businesses behave badly

A study found that firms tend to follow the pecking order theory, drawing down internal funds before relying on debt financing after negative E&S incidents. Firms with high CSR reputation are better able to cushion the impacts of such incidents. Financially constrained firms react differently due to limited access to equity markets.

SourceSingapore Management University·DateNov 30, 2020

Big data saves lives, and patient safeguards are needed

A University of Massachusetts Amherst study recommends guidelines for the ethical handling of opioid use disorder information stored in the Public Health Data Warehouse. The research highlights concerns about public trust and potential misuses of big data, and proposes safeguards to prioritize health equity.

SourceUniversity of Massachusetts Amherst·JournalBMC Medical Ethics·DateNov 30, 2020
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.

US local officials and refugee resettlement

Local elected officials in the US are more likely to support refugee resettlement for families and single women, as well as those perceived as economically strong. Most officials favor resettling Christian refugees and those with higher education levels, indicating a nuanced approach to refugee resettlement.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateNov 30, 2020

How SARS-CoV-2 reaches the brain

A team of researchers from Charité - Universitätsmedizin Berlin have studied how SARS-CoV-2 reaches the brain and found that it enters through nerve cells in the olfactory mucosa. The virus is also transported via blood vessels to reach the brain, which may contribute to neurological symptoms such as loss of smell or taste in COVID-19 ...

SourceCharité - Universitätsmedizin Berlin·JournalNature Neuroscience·DateNov 30, 2020