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Science News for November 30, 2020


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
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.

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

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
Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

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
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.

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

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
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.

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

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
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.

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

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
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.

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

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
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.

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

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
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.

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
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.

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

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
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.

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

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
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

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

Mild electrical stimulation with heat shock ameliorates kidney disease

Researchers at Kumamoto University found that mild electrical stimulation with heat shock reduces inflammation and cell death in the kidneys, improving kidney function and preventing proteinuria. The treatment also inhibits apoptosis of kidney cells and activates survival pathways, offering a promising new approach for treating nephrot...

SourceKumamoto University·JournalScientific Reports·DateNov 30, 2020

An escape route for seafloor methane

Researchers have found that frozen hydrate formations can facilitate the release of methane gas from deep-sea environments. By creating channels and directing flow, hydrate formation enables the gas to persist in its gaseous form for longer periods.

SourceMassachusetts Institute of Technology·DateNov 30, 2020

Warbler coloration shaped by evolution via distinct paths

Two genes involved in plumage coloration have evolved through distinct processes: ASIP, which produces melanin, and BCO2, which produces carotenoid pigments. The researchers found evidence of introgression, where genes from one species were transferred to another, contributing to the warblers' diverse colors.

SourcePenn State·JournalCurrent Biology·DateNov 30, 2020
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.

The surprising grammar of touch

A new study reveals that DeafBlind signers use tactile grammatical structures to convey meaning, suggesting alternative pathways for language development. Researchers analyzed the conventionalization of protactile phonology in US DeafBlind communities, finding consistent patterns in hand articulation and grammar assignment.

SourceLinguistic Society of America·JournalLanguage·DateNov 30, 2020

New method identifies adaptive mutations in complex evolving populations

Researchers have developed a new method to identify adaptive mutations in complex evolving populations, shedding light on how HIV mutates to escape the immune system. The approach enables the analysis of selection in complex evolutionary systems, which could inform HIV vaccine design and treatment strategies.

SourceUniversity of California - Riverside·JournalNature Biotechnology·DateNov 30, 2020

Gut microbes: a key to normal sleep

A study published in Scientific Reports found that mice without gut microbes had altered sleep patterns, including increased REM and non-REM sleep episodes. The researchers discovered that gut microbes play a crucial role in producing neurotransmitters like serotonin, which regulate sleep-wake cycles.

SourceUniversity of Tsukuba·JournalScientific Reports·DateNov 30, 2020

Black bear gut biome surprisingly simple, scientists say

Researchers discovered that black bears' gut microbiomes are surprisingly simple and consistent throughout the intestinal tract. This finding has practical applications for wildlife researchers, as a fecal sample can provide insight into the entire gut microbiome.

SourceNorth Carolina State University·JournalScientific Reports·DateNov 30, 2020

Mothers' stress may lead to preterm births, faster aging in children

Two UCLA studies reveal that maternal stress prior to conception and during the third trimester can lead to shorter telomeres in children, which is associated with faster aging and increased risk of diseases. The study also found that high maternal stress before pregnancy was linked to shorter pregnancies.

SourceUniversity of California - Los Angeles·JournalPsychoneuroendocrinology·DateNov 30, 2020
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.

Tree rings provide evidence for climate regime shifts

Researchers found unprecedented magnitude of summer heatwaves and droughts in inner East Asia, tightly coupled by anthropogenic climate change. Tree-ring data suggests abrupt shift to hotter and drier climate over the past two decades.

SourceChinese Academy of Sciences Headquarters·JournalScience·DateNov 30, 2020

Researchers show risk-averse teens sway peers to make safer choices

A new study published in the Proceedings of the National Academy of Sciences shows that observing safe peers can encourage young people to make healthier decisions. The research team found that substance-naïve teens were more likely to follow their safe peers' choices, leading to safer outcomes.

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

Unexpected similarity between honey bee and human social life

A team of researchers discovered detailed similarities between the social networks of honey bees and humans, which can be explained by new theoretical modeling. The study reveals individual differences between honey bees, just like humans, and shows that these patterns are universal across species.

SourceCarl R. Woese Institute for Genomic Biology, University of Illinois at Urbana-Champaign·JournalProceedings of the National Academy of Sciences·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.

Future Brahmaputra River flooding as climate changes may be underestimated, study says

A new study using ancient tree rings reveals that the Brahmaputra River's flooding is more frequent than previously thought, with estimates underestimating the danger by nearly 40%. The research found that the river's discharge was much wetter in the past, with periods of extreme flooding that may not be comparable to modern times.

SourceColumbia Climate School·JournalNature Climate Change·DateNov 30, 2020

Infant language exposure shapes brain circuitry

Research finds that taking turns in 'conversation' with caregivers relates to synchronized activation in language areas, shaping brain function. Weaker connectivity in the bottom-up subnetwork is associated with more conversational turns at home.

SourceSociety for Neuroscience·DateNov 30, 2020
Fluke 87V Industrial Digital Multimeter

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

Study identifies countries and states with greatest age biases

A study by Michigan State University researchers found that countries like Japan and China show less age bias, while individualistic nations like the US and Germany exhibit greater ageism. States in the US with high age bias also tend to have poorer health outcomes for older adults.

SourceMichigan State University·JournalPersonality and Social Psychology Bulletin·DateNov 30, 2020

Sustainable regenerated isotropic wood

Researchers have developed a sustainable material called regenerated isotropic wood (RGI-wood) from surface nanocrystallized wood particles. RGI-wood boasts improved mechanical properties, fire retardancy, and electromagnetic shielding capabilities compared to natural wood and petroleum-based plastics.

SourceScience China Press·JournalNational Science Review·DateNov 30, 2020

Is it better to give than receive?

A University of California, Davis study found that children who experienced compassionate love from their mothers were more willing to give up tokens for others. The study also showed that being generous had a calming effect on the children, reinforcing the behavior and promoting prosocial orientation.

SourceUniversity of California - Davis·JournalFrontiers in Psychology·DateNov 30, 2020

Racial disparities in dementia in US

A nationwide analysis of dementia incidence from 2000 to 2016 reveals significant racial disparities in the US, with Black and Hispanic populations more likely to develop dementia than White Americans. The study suggests that targeted interventions are needed to address these disparities.

SourceJAMA Network·JournalJAMA Neurology·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.

Major differences in palliative care provision across the globe

A systematic review of palliative care services worldwide reveals significant variations in length of care provided to patients, with the average global duration being just 18.9 days. The study highlights a stark shortfall in palliative care provision, particularly in low- and middle-income countries.

SourceUniversity of Leeds·JournalBMC Medicine·DateNov 30, 2020

A dessert-like desert: Californian lithosphere resembles crème brûlée

Researchers at KAUST have updated the model for earthquake-prone regions like California, finding that the strength lies in the upper crust and the lower crust exhibits more ductility over time. This 'crème brûlée' model supports regional hazard assessments for populated territories.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalGeology·DateNov 30, 2020
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.

Astronomical instrument hunts for ancient metal

Researchers have developed a new instrument that can analyze the chemical signatures of distant quasars, providing insight into the origins of metals like iron. By studying these ancient galactic cores, scientists hope to refine their understanding of the early universe and its role in forming the elements necessary for life.

SourceUniversity of Tokyo·JournalThe Astrophysical Journal·DateNov 30, 2020

Forearm fractures may signal intimate partner violence

Research suggests that up to one-third of adult women with forearm fractures, particularly non-displaced ulnar fractures, may be victims of intimate partner violence. The study's findings highlight the need for radiologists to screen for intimate partner violence in these cases.

SourceRadiological Society of North America·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.

The wily octopus: king of flexibility

Researchers analyzed octopus arm movements, discovering all eight arms can perform diverse movements such as bending, twisting and elongating. This flexibility could inspire the creation of next-generation soft robots with greater agility and sensing capability.

SourceMarine Biological Laboratory·DateNov 30, 2020

Study explores how telemedicine may ease ER overcrowding

A study found that telemedicine adoption in emergency rooms significantly shortened average length of stay and wait time. This is achieved through efficient information exchange, flexible resource allocation, and improved specialist consultations.

SourceUniversity of Texas at Dallas·JournalInformation Systems Research·DateNov 30, 2020

Hitting the quantum 'sweet spot': Researchers find best position for atom qubits in silicon

Australian researchers have located the 'sweet spot' for positioning qubits in silicon, essential for developing robust interactions between qubits. The team used scanning tunnelling microscope (STM) lithography techniques to precisely place phosphorus atoms and create reproducible, strong and fast interactions.

SourceCentre for Quantum Computation & Communication Technology·JournalNature Communications·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.

Cancer survivors at higher risk of hospitalization or dying from flu

A recent study found that cancer survivors are more likely to be hospitalized or die from seasonal influenza and have a greater chance of severe COVID-19 outcomes. The researchers suggest that this group should be prioritized for vaccination against both diseases, with the risk persisting for at least 10 years after cancer diagnosis.

SourceLondon School of Hygiene & Tropical Medicine·JournalEClinicalMedicine·DateNov 30, 2020

Deep learning predicts woman's risk for breast cancer

A new deep learning model predicts breast cancer risk with greater accuracy, leveraging subtle imaging biomarkers in mammograms. The model outperforms traditional risk assessment models, providing more accurate and cost-effective care for patients.

SourceRadiological Society of North America·DateNov 30, 2020

Plastic contaminants harm sea urchins

New research finds that plastics in seawater can cause deformities and developmental problems in sea urchin larvae due to chemical leaching. The study highlights the importance of reducing plastic pollution and finding alternatives to replace harmful additives.

SourceUniversity of Exeter·JournalEnvironmental Pollution·DateNov 30, 2020

Computer-aided creativity in robot design

Researchers at MIT have created a system called RoboGrammar that optimizes the shape of robots for traversing different terrain types. The system uses a graph grammar inspired by arthropods to generate hundreds of thousands of potential robot structures, which are then evaluated using a neural network algorithm.

SourceMassachusetts Institute of Technology·DateNov 30, 2020

Teaching computers the meaning of sensor names in smart home

The University of the Basque Country has developed a system using natural language processing techniques to represent sensors and human activity in smart environments. By giving sensors meaningful names, the algorithm can transfer knowledge from one environment to another, overcoming a major challenge in smart homes.

SourceUniversity of the Basque Country·JournalNeurocomputing·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.

New tech can get oxygen, fuel from Mars's salty water

Engineers at Washington University in St. Louis have developed a brine electrolysis system that produces oxygen and hydrogen from salty water, potentially changing the game for Mars missions and resource utilization on Earth.

SourceWashington University in St. Louis·JournalProceedings of the National Academy of Sciences·DateNov 30, 2020

The 'smell' of coral as an indicator of reef health

Researchers discovered a significant decrease in chemical diversity and quantity of gases released by corals during heat stress experiments, indicating potential impacts on coral resilience. The study highlights the importance of understanding the 'smell' of corals as an indicator of reef health.

SourceUniversity of Technology Sydney·JournalGlobal Change Biology·DateNov 30, 2020
Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

COVID-19 Peer Hub combats vaccine avoidance amid pandemic

The COVID-19 Peer Hub program is connecting over 4000 immunisation professionals globally to share ideas and practices to counteract vaccine avoidance. Preliminary findings show that the program has been useful for their work, with 90% of participants reporting positive outcomes.

SourceUniversity of South Australia·DateNov 30, 2020

More than one-third of children with COVID-19 show no symptoms: study

A University of Alberta study found that 35.9% of children diagnosed with COVID-19 showed no symptoms, raising concerns about school safety programs. The researchers also found that common symptoms like cough and runny nose were not reliable indicators of infection in children, emphasizing the need for vigilance and precautions.

SourceUniversity of Alberta Faculty of Medicine & Dentistry·JournalCMAJ Open·DateNov 30, 2020

NIH announces restructured HIV clinical trials networks

The National Institute of Allergy and Infectious Diseases has established four HIV clinical trials networks to advance research on prevention, vaccines, therapeutics, and maternal/adolescent/pediatric treatments. The networks aim to increase efficiency and effectiveness in NIH's HIV clinical trial operations.

SourceNIH/National Institute of Allergy and Infectious Diseases·DateNov 30, 2020

On-chip erbium-doped lithium niobate microcavity laser

Researchers from Shanghai Jiao Tong University have successfully designed and fabricated a microcavity on a lithium niobate chip, achieving integrated light source in the communication band. The innovative technology realizes the potential of lithium niobate thin films for efficient optoelectronic integration.

SourceScience China Press·DateNov 30, 2020

Fluctuating natural selection of breeding dates

Global study reveals optimum breeding dates vary by species, population, and year, with some females adjusting their dates to buffer natural-selection variability. The findings have implications for understanding animal adaptation and conservation efforts.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·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.

Study reveals connection between gut bacteria and vitamin D levels

Researchers at University of California - San Diego found a connection between gut bacteria diversity and active vitamin D levels in older men. The study suggests that microbiome diversity is closely associated with active vitamin D, while the precursor form has no significant link.

SourceUniversity of California - San Diego·JournalNature Communications·DateNov 30, 2020

Heart disease risk in women increases leading up to menopause; early intervention is key

The menopause transition is a time of increasing heart disease risk for women, with significant changes in cardiometabolic and vascular health occurring during this phase. Early intervention strategies, such as hormone therapy and lifestyle modifications, are crucial to maintaining healthy heart function and reducing cardiovascular risk.

SourceAmerican Heart Association·JournalCirculation·DateNov 30, 2020
Meta Quest 3 512GB

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

Does your pain feel different in English and Spanish?

A recent study by Morgan Gianola and colleagues found that bilingual Hispanic/Latino participants experienced more intense pain when speaking the language of their stronger cultural identity. Physiological responses to pain also played a larger role in determining pain ratings among more Hispanic-oriented bilinguals.

SourceUniversity of Miami·JournalAffective Science·DateNov 30, 2020

Caribbean coral reefs under siege from aggressive algae

Research reveals an aggressive golden-brown alga is rapidly overgrowing shallow reefs in the Caribbean, taking the place of damaged coral and exacerbating ecosystem damage. The invasive algal crusts harbor a distinct microbial community that deters coral settlement.

SourceCarnegie Institution for Science·JournalScientific Reports·DateNov 30, 2020

Magnetic vortices come full circle

Researchers at the Paul Scherrer Institute report the discovery of three-dimensional magnetic 'vortex rings' within a tiny pillar made of gadolinium cobalt. These structures, consisting of doughnut-shaped vortices, provide fundamental insight into intricate nanoscale structures inside bulk magnets.

SourcePaul Scherrer Institute·JournalNature Physics·DateNov 30, 2020

Southwest Virginia residents leading region's cancer prevention efforts

Residents of Southwest Virginia have set priorities for cancer prevention and early detection, focusing on tobacco cessation, HPV vaccination, lung and colorectal cancer screenings. The region's partnership with the UVA Cancer Center Without Walls aims to improve health outcomes through a collaborative effort.

SourceUniversity of Virginia Health System·DateNov 30, 2020

Older adults with dementia exhibit financial 'symptoms' up to six years before diagnosis

A new study by Johns Hopkins Bloomberg School of Public Health and Federal Reserve Board of Governors found that individuals with dementia miss payments on bills as early as six years before diagnosis. Financial symptoms like missed payments and subprime credit scores are unique to dementia and can be used as early predictors.

SourceJohns Hopkins Bloomberg School of Public Health·JournalJAMA Internal Medicine·DateNov 30, 2020

Like humans, some bees are more social than others

A study on honey bees found that individual differences in social interactions lead to universal patterns of behavior across species. Genetically related bees show fewer individual differences than humans, but still exhibit some variation in interaction frequency and food sharing.

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

Fish oxygen demand in warming oceans

A new model suggests that warm waters may limit the active metabolism of large fishes due to reduced aerobic capacity. The study indicates that oxygen availability constrains metabolic demands in fishes, particularly in larger species.

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

Separating gases using flexible molecular sieves

Researchers have discovered a class of flexible molecular sieves that can selectively separate gases, such as propylene from propane. This breakthrough has the potential to improve the efficiency of gas purification processes in the manufacture of high-quality plastics.

SourceUniversity of Liverpool·JournalNature Communications·DateNov 30, 2020

Researchers identify gene responsible for cellular aging

Scientists have identified a key gene mechanism controlling cellular aging and rejuvenation in mesenchymal stem cells. The GATA6/SHH/FOXP1 pathway regulates MSC aging and rejuvenation, offering insights into developing treatments for age-related diseases.

SourceAlphaMed Press·JournalStem Cells·DateNov 30, 2020

Surprising trove of sorghum diversity discovered in Australia -- but it's disappearing fast

Researchers discovered a surprising trove of wild sorghum relatives in Australia, offering potential solutions to combat drought and extreme heat. However, these economically important plants are in peril due to habitat destruction, invasive species, and climate change, highlighting the need for urgent conservation efforts.

SourceThe Alliance of Bioversity International and the International Center for Tropical Agriculture·JournalDiversity and Distributions·DateNov 30, 2020

Bridges between villages in Nicaragua serve as links to markets

A new study finds that bridge construction in rural Nicaragua significantly increases integration, leading to substantial positive economic impact on rural economies. Bridges also increase labor income for households in non-flood periods and agricultural productivity, resulting in higher profits and investments.

SourceYale University·JournalEconometrica·DateNov 30, 2020

HIV-like virus edited out of primate genome

Researchers successfully edited SIV - a virus closely related to HIV - from the genomes of non-human primates using CRISPR gene-editing. The breakthrough demonstrates that the editing tool can reach infected cells and tissues, including viral reservoirs where the viruses integrate into host DNA.

SourceTemple University Health System·JournalNature Communications·DateNov 30, 2020

Combination therapy might improve outcomes in treatment-resistant liver cancer

Researchers at Massachusetts General Hospital have identified a combination therapy that improves survival in mouse models of hepatocellular carcinoma. The dual therapy combines regorafenib to reprogram the tumor immune microenvironment and PD1 antibodies to stimulate anti-tumor immunity.

SourceMassachusetts General Hospital·JournalJournal for ImmunoTherapy of Cancer·DateNov 30, 2020

Scientists uncover the mysterious origin of canal grass in Panama

Researchers find that invasive canal grass in Panama originated from a sugarcane breeding program in Florida, where over 500 varieties were sent for testing. The plant's DNA matches those from Indonesia and suggests high ploidy levels, making it challenging to control its spread.

SourceSmithsonian Tropical Research Institute·JournalBiological Invasions·DateNov 30, 2020

Rutgers leading coronavirus therapeutic clinical trial

Researchers are investigating a potential treatment for people recently diagnosed with SARS-Cov2 who have no or mild symptoms. The trial aims to determine whether treating asymptomatic patients with a combination of medications can reduce viral replication and the risk of getting sick.

SourceRutgers University·DateNov 30, 2020

Customized programming of human stem cells

Scientists create a system to quickly and easily convert human stem cells into various cell types, including neurons and blood vessels. The researchers identified 290 DNA-binding proteins that reprogram stem cells into target cells within four days.

SourceUniversity of Bonn·JournalNature Biotechnology·DateNov 30, 2020

Researchers find how stress and the circadian clock affect sleep

Researchers have identified a neural pathway that links the circadian clock, stress, and wakefulness in mammals. The study found that excessively active corticotropin-releasing factor neurons triggered insomnia and other sleep disorders when the circadian rhythm was disturbed.

SourceNagoya University·JournalJournal of Mathematical Sciences Advances and Applications·DateNov 30, 2020

Dream reports during the COVID 19 pandemic

A new Brazilian study found that dreams during the COVID-19 pandemic lockdown are related to mental suffering and fear of contagion. The computational assessment of dream reports used in the study reveals these emotional connections.

SourcePLOS·JournalPLOS ONE·DateNov 30, 2020

Detecting bacteria with fluorescent nanosensors

A new method for detecting bacteria and infections has been developed using fluorescent nanosensors. These sensors can track down pathogens faster and more easily than traditional methods, allowing for improved patient care and rapid diagnosis of sepsis.

SourceUniversity of Göttingen·JournalNature Communications·DateNov 30, 2020

Biodiesel made from discarded cardboard boxes

A new microorganism has been developed to produce biodiesel precursors from lignocellulosic biomass, such as discarded agricultural by-products and cardboard boxes. The microorganism achieves twice the product yield of its predecessors, solving a limitation in biofuel production.

SourceNational Research Council of Science & Technology·DateNov 30, 2020

Recycled concrete could be a sustainable way to keep rubble out of landfi

A five-year study by University of British Columbia Okanagan researchers found that recycled concrete performs as well as conventional concrete, with comparable strength and durability. The innovative material can be a 100% substitute for non-structural applications and may eventually replace traditional construction methods.

SourceUniversity of British Columbia Okanagan campus·JournalConstruction and Building Materials·DateNov 30, 2020

Nonlinear beam cleaning in spatiotemporally mode-locked lasers

EPFL researchers demonstrate nonlinear beam cleaning, enabling generation of high-energy, ultrashort pulses with single-mode beam quality. They achieve sub-100 femtosecond pulses with high pulse energy and low M2 value without external amplification in a compact setup.

SourceSPIE--International Society for Optics and Photonics·JournalAdvanced Photonics·DateNov 30, 2020

Experimental vaccine for deadly tickborne virus effective in cynomolgus macaques

A DNA-based vaccine candidate has been found to be effective in protecting cynomolgus macaques from the Crimean-Congo hemorrhagic fever virus. The vaccine generated protective antibodies and prevented signs of disease in infected animals, offering a promising potential treatment for human patients.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalNature Microbiology·DateNov 30, 2020

Molecular mechanism of long-term memory discovered

Scientists at the University of Basel have identified a key protein regulating long-term memory, found to decline with age. By studying roundworms, they discovered that a molecule called MPS-2 plays a central role in intact long-term memory and is also involved in age-related memory loss.

SourceUniversity of Basel·JournalCurrent Biology·DateNov 30, 2020

Healthcare accessibility in sub-Saharan Africa

The study estimates that sub-Saharan Africa requires approximately 2.5 million additional hospital beds by 2030. Countries in the region must prioritize facility expansion and new construction to address growing population needs.

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

Towards accessible healthcare for all in sub-Saharan Africa

The study analyzes healthcare accessibility in sub-Saharan Africa and identifies a strategy to efficiently abate inequalities. Researchers estimate that ~6,200 new facilities need to be built by 2030 to meet universal healthcare targets.

SourceCMCC Foundation - Euro-Mediterranean Center on Climate Change·JournalProceedings of the National Academy of Sciences·DateNov 30, 2020

Business closures, partial reopenings due to COVID-19 could cost the US $3-$5 trillion GDP

A new USC study finds that the COVID-19 pandemic could result in net losses of $3.2 trillion and up to $4.8 trillion in U.S. Real Gross Domestic Product (GDP) over two years. The study's findings depend on factors such as business closures, gradual reopening processes, infection rates, and fatalities.

SourceUniversity of Southern California·JournalEconomics of Disasters and Climate Change·DateNov 30, 2020

The number of times a person gives birth may affect how quickly they age

A new study led by Penn State researchers found a link between the number of times a person gives birth and their physical aging process. The study discovered that people who had few or many births showed signs of quicker biological aging compared to those who had given birth three or four times. The effects were only visible after men...

SourcePenn State·JournalScientific Reports·DateNov 30, 2020

App predicts risk of developing Alzheimer's

Researchers at Lund University developed an app that predicts Alzheimer's disease risk based on blood biomarker levels, providing a more reliable and accessible early diagnosis method than current cerebral spinal fluid (CSF) analyses.

SourceLund University·JournalNature Aging·DateNov 30, 2020

Discoveries highlight new possibilities for magnesium batteries

Researchers from the University of Houston and Toyota Research Institute of North America have developed a new magnesium battery capable of operating at room temperature, delivering power density comparable to lithium-ion batteries. The new cathode and electrolyte enable high-power battery performance previously considered impossible.

SourceUniversity of Houston·JournalNature Energy·DateNov 30, 2020

How 'smell training' could help overcome post-viral smell distortions

A new study published in The Laryngoscope suggests that smell training can improve smell performance in patients with post-viral smell disorders. Participants who underwent smell training showed significant recovery, especially among older individuals who had lost the most amount of smell function.

SourceUniversity of East Anglia·JournalThe Laryngoscope·DateNov 30, 2020

Liver cirrhosis: Disease progression

A recent study by MedUni Vienna found that blood biomarkers for systemic inflammation increase with liver cirrhosis stages, predicting complications in asymptomatic patients. The severity of portal hypertension also correlates with levels of inflammatory markers, increasing mortality risk.

SourceMedical University of Vienna·JournalJournal of Hepatology·DateNov 30, 2020