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Science News Archive 2021 - Page 124


Page 124 of 510

Cloud-spotting on a distant exoplanet

Clouds have been detected on the distant exoplanet WASP-127b, and their altitude has been measured for the first time. The observations reveal that water vapor is present at lower levels but screened by clouds opaque to visible light, while sodium is found in an unexpected place.

SourceEuroplanet·DateSep 23, 2021
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.

Infection hinders blood vessel repair following traumatic brain or cerebrovascular injuries

Researchers found that viral, fungal, or bacterial infections impact blood vessel repair in the brain after traumatic brain injury (TBI) and cerebrovascular injury. Infected animals took longer to repair damaged blood vessels, leading to permanent cognitive dysfunction and brain damage.

SourceNIH/National Institute of Neurological Disorders and Stroke·JournalNature Immunology·TypeExperimental study·DateSep 23, 2021

Researchers translate insect defense chemicals into eerie sounds

Researchers Boevé and Giot translated insect defense chemicals into sounds, measuring human reactions. The study found that the responses by ants and humans are correlated, indicating that sonification can approximate real-world predator-prey interactions.

SourceCell Press·JournalPatterns·TypeExperimental study·DateSep 23, 2021

European Green Deal: carbon border adjustment mechanism could hit some trade partners hard

The EU's carbon border adjustment mechanism could significantly impact countries like Bosnia and Herzegovina, Morocco, and Mozambique due to their high exposure and vulnerability to the mechanism. To mitigate this, the EU should provide financial and technical support to these countries to aid in decarbonisation efforts.

SourceResearch Institute for Sustainability (RIFS) – Helmholtz Centre Potsdam·JournalEnergy Research·TypeCase study·DateSep 23, 2021

First observation of energy-difference conservation in optical domain

A research team at POSTECH observes synchronized oscillations of optical intensity and symmetry-breaking transitions at an exceptional point. They also discover energy-difference conservation for the first time in the optical domain using APT symmetry platforms based on nonlinear four-wave-mixing.

SourcePohang University of Science & Technology (POSTECH)·JournalPhysical Review Letters·DateSep 23, 2021
Apple iPhone 17 Pro

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

Scientists ID sterol essential for oil accumulation in plants

A team of scientists at Brookhaven National Laboratory has identified a key component of the assembly line responsible for oil droplet formation. The study suggests new ways to engineer plant tissues for increased oil accumulation, which could lead to sustainable oils for biofuels and other commodity products.

SourceDOE/Brookhaven National Laboratory·JournalNature Communications·TypeExperimental study·DateSep 22, 2021

Serum biomarker of fibrosis predicts kidney function decline

A serum biomarker, polyubiquitinated phosphatase and tensin homolog (PTEN), was associated with a four-fold higher risk of kidney function decline. This modified form of PTEN was linked to severity of lesions in kidney structure, indicating early manifestations of diabetic kidney disease.

SourceNational Kidney Foundation·JournalAmerican Journal of Kidney Diseases·DateSep 22, 2021

New avenue for study of diseases like multiple sclerosis

Scientists at Ann & Robert H. Lurie Children's Hospital of Chicago discovered a surprising link between growth factor receptor PDGFRA and hypomyelination in mouse models. The study suggests that blocking this receptor could be a novel strategy to treat myelination disorders like multiple sclerosis.

SourceAnn & Robert H. Lurie Children's Hospital of Chicago·JournalBrain and Behavior·DateSep 22, 2021

Some animal species can survive successfully without sexual reproduction

Scientists prove Meselson effect in ancient asexual species, showing survival without sexual reproduction is possible. The study of beetle mite Oppiella nova reveals genetic variance and adaptation through independent genome evolution.

SourceUniversity of Cologne·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateSep 22, 2021

Skoltech scientists use supercomputer to probe limits of Google’s quantum processor

Researchers used a supercomputer to emulate Google's quantum processor and discovered a reachability deficit, a performance limitation induced by a problem's constraint-to-variable ratio. The study showed that future experiments will require significantly more quantum resources to overcome this limit.

SourceSkolkovo Institute of Science and Technology (Skoltech)·JournalQuantum·TypeComputational simulation/modeling·DateSep 22, 2021
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.

Artificial intelligence brings better hurricane predictions

A new machine learning approach has been developed by researchers at the Department of Energy's Pacific Northwest National Laboratory to improve hurricane intensity predictions. The model uses artificial intelligence techniques and can run on a commercial laptop, offering more accurate forecasts than existing models. It also enables th...

SourceDOE/Pacific Northwest National Laboratory·JournalWeather and Forecasting·TypeComputational simulation/modeling·DateSep 22, 2021

A sedentary lifestyle can lead to more nighttime hot flashes

A new study suggests that sedentary behavior can increase the likelihood of nighttime hot flashes in midlife women. The research found that sedentary behavior independently predicts objective and subjective hot flash experience, even when accounting for moderate-to-vigorous activity levels.

SourceThe Menopause Society·TypeExperimental study·DateSep 22, 2021

Buck researchers provide a framework to study precision nutrigeroscience

Researchers at Buck Institute for Research on Aging provide a framework for precision nutrigeroscience to study the need for individualized dietary interventions. Studies in fruit flies show that lifestyle and genetics impact lifespan and healthspan, leading researchers to challenge the field to adopt a more nuanced approach.

SourceBuck Institute for Research on Aging·JournalCell Metabolism·TypeCommentary/editorial·DateSep 22, 2021

Researchers mimic how water and wind create complex shapes in nature

Researchers at Aalto University created intricate shapes like letters by manipulating tiny metal balls with vibrating plates and energy fields. The smart algorithm efficiently guided the particles to achieve desired shapes, inspired by natural phenomena like wind and water.

SourceAalto University·JournalScience Advances·DateSep 22, 2021
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.

Majority of ‘#alcohol’ videos on TikTok portray drinking in a positive light

A new study found that 98% of popular TikTok '#alcohol' videos have positive portrayals, while only 4% describe negative alcohol-related consequences. The research highlights the need for age verification and responsible content creation on social media platforms.

SourceJournal of Studies on Alcohol and Drugs·JournalJournal of Studies on Alcohol and Drugs·TypeObservational study·DateSep 22, 2021

Hubble finds distant galaxies that ran out of fuel

A team of astronomers has observed six massive galaxies in the early universe that have mysteriously stopped forming stars due to depleted gas reserves. The discovery was made possible by the Hubble Space Telescope's high resolution and gravitational lensing, allowing researchers to study these galaxies in unprecedented detail.

SourceUniversity of Copenhagen - Faculty of Science·JournalNature·TypeObservational study·DateSep 22, 2021

Contact-tracing apps could improve vaccination strategies

Mathematical modeling suggests that contact-tracing apps can help achieve herd immunity by identifying individuals with greater exposure to others and targeting them for vaccination. The approach, known as 'hot-spotting,' could reduce the number of vaccine doses needed by up to half.

SourcePLOS·JournalPLOS ONE·TypeComputational simulation/modeling·DateSep 22, 2021

Dog parasite is developing resistance to treatments

Researchers find hookworms resistant to multiple drugs used to treat them, with high prevalence in racing greyhounds. The study's results highlight the importance of regular deworming and caution against dog parks as potential breeding grounds for drug-resistant parasites.

SourceUniversity of Georgia·JournalInternational Journal for Parasitology·DateSep 22, 2021
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.

SARS-CoV-2 screening in an urban public school district

Weekly saliva polymerase chain reaction testing in asymptomatic staff and students in an urban public school district significantly increased SARS-CoV-2 case detection, surpassing county-level infection rates. This study highlights the effectiveness of targeted screening strategies in reducing COVID-19 transmission.

SourceJAMA Network·JournalJAMA Network Open·DateSep 22, 2021

The circadian rhythm of the liver is regulated by muscle activity

Skeletal muscle secretes a molecule that regulates around 35% of liver functions, with the remaining basal functions independent of muscle activity. Ageing alters this communication, leading to non-optimal functions and accelerated ageing.

SourceInstitute for Research in Biomedicine (IRB Barcelona)·JournalScience Advances·TypeExperimental study·DateSep 22, 2021
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.

Wind energy can deliver vital slash to global warming

New research from Cornell University suggests that accelerating wind-energy technology deployment can achieve significant reductions in greenhouse gas emissions, with potential to reduce global warming atmospheric average temperatures of 0.3 to 0.8 degrees Celsius by the end of the century. The study confirms that advancing wind energy...

SourceCornell University·JournalClimate·DateSep 22, 2021

Dr. Sofia Sheikh awarded National Science Foundation Fellowship for Research & Education at the SETI Institute’s Allen Telescope Array

Dr. Sofia Sheikh has been awarded a Mathematical and Physical Sciences Ascending Postdoctoral Research Fellowship to focus on fast radio bursts and develop improved technosignature detection methods. She will also mentor underrepresented students in physics and astronomy, leveraging the Allen Telescope Array's unique qualities.

SourceSETI Institute·DateSep 22, 2021

First glimpse of hydrodynamic electron flow in 3D materials

A team of researchers from Harvard, MIT, and the Max Planck Institute developed a theory to explain how hydrodynamic electron flow could occur in 3D materials. They observed it for the first time using a new imaging technique, providing evidence of strong interactions between electrons in high-density materials.

SourceMax Planck Institute for Chemical Physics of Solids·JournalNature Physics·DateSep 22, 2021
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.

Over 120 scientific experts’ global ocean report shows unprecedented climate change impact, as Arctic registers record low ice levels

The Copernicus Ocean State Report reveals record low Arctic ice levels, with a 90% reduction in average sea ice thickness in the Barents Sea. The report also highlights extreme variability in ocean temperatures and oxygen levels, posing significant challenges for marine ecosystems.

SourceTaylor & Francis Group·JournalJournal of Operational Oceanography·DateSep 22, 2021

Metals supercharge promising method to bury harmful carbon dioxide under the sea

Researchers from University of Texas at Austin have discovered a way to accelerate the formation of CO2 hydrate structures that can store billions of tons of carbon for centuries. By adding magnesium, these structures form 3,000 times faster than current methods, offering a promising alternative to reduce climate change.

SourceUniversity of Texas at Austin·JournalACS Sustainable Chemistry & Engineering·DateSep 22, 2021

Could a novel light therapy help people with Alzheimer's?

Researchers at Mount Sinai Hospital are testing a novel light therapy to slow Alzheimer's debilitating effects, aiming to improve both cognition and sleep. The treatment involves flashing pulses of light designed to enhance electrical brain waves and reset the sleep-wake cycle.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·DateSep 22, 2021

Winged microchip is smallest-ever human-made flying structure

Researchers at Northwestern University have developed a flying microchip that can monitor air pollution, airborne diseases, and environmental contamination. The device, about the size of a grain of sand, uses wind to generate flight, stabilizing its trajectory through aerodynamic optimization inspired by nature.

SourceNorthwestern University·JournalNature·TypeExperimental study·DateSep 22, 2021

Methamphetamine-involved overdose deaths nearly tripled between 2015 to 2019, NIH study finds

Overdose deaths involving methamphetamine rose 180% from 2015 to 2019, outpacing increases in methamphetamine use. Riskier patterns of use, including frequent use and co-use with other substances, contributed to the surge. Diverse populations, particularly American Indians/Alaska Natives and young adults, are disproportionately affected.

SourceNIH/National Institute on Drug Abuse·JournalJAMA Psychiatry·DateSep 22, 2021
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.

COVID-19 infection increases risk for preeclampsia reported by WSU and PRB investigators

A recent systematic review and meta-analysis found that COVID-19 infection during pregnancy significantly increases the risk of developing preeclampsia. Women with SARS-CoV-2 infection had a 62% higher odds of developing preeclampsia than those without the infection.

SourceWayne State University - Office of the Vice President for Research·JournalAmerican Journal of Obstetrics and Gynecology·TypeSystematic review·DateSep 22, 2021

Phyllotaxis-inspired nanosieves with multiplexed orbital angular momentum

Researchers developed phyllotaxis-alike vortex nanosieves that can generate multiple optical vortices within a single nano-device, enabling compact and efficient multiplexing of orbital angular momentum. The design uses judiciously arranged nanoholes on metal films to create multiple spiral patterns, each contributing to a specific OAM...

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournaleLight·DateSep 22, 2021

Social robots may be more persuasive if they project less authority

A new study from the University of Toronto suggests that social robots could be more persuasive if they project less authority. The research found that people are more likely to accept advice or instructions from a robot when it is presented as a peer helper rather than an authoritative figure.

SourceUniversity of Toronto Faculty of Applied Science & Engineering·JournalScience Robotics·DateSep 22, 2021
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.

Phase 3 trial results: mRNA-1273 vaccine continued to be safe and efficacious more than five months after second dose

The mRNA-1273 vaccine has demonstrated sustained efficacy in preventing COVID-19 and severe disease, with consistent high levels of protection observed across various subgroups. Researchers have also found a marginal improvement in reduced cases among those vaccinated more recently during the Delta variant surge.

SourceBrigham and Women's Hospital·JournalNew England Journal of Medicine·TypeRandomized controlled/clinical trial·DateSep 22, 2021

Recording roman resource exploitation and urban collapse

The Roman occupation of Carthage resulted in environmental degradation and economic collapse, as evidenced by the abandonment of the city of Zita in AD 200. Archaeological analysis indicates a shift from agricultural goods like olive oil to metal production, which led to unsustainable economic practices and eventually urban collapse.

SourceUniversity of Chicago Press Journals·JournalCurrent Anthropology·DateSep 22, 2021

Theory of bubbles lifts cell biology into a new, more quantitative era

Researchers adapted classical nucleation theory to understand protein assembly in cells, predicting precise locations and times for droplet formation. The approach offers a new understanding of cell biology and potential control over complex soft materials.

SourcePrinceton University, Engineering School·JournalNature·TypeExperimental study·DateSep 22, 2021
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.

Quantum cryptography Records with Higher-Dimensional Photons

A team at TU Wien developed a new quantum transmission protocol using eight different paths for each photon, generating a record-breaking entanglement-based quantum key. This protocol is more robust against interference and allows for faster data transmission.

SourceVienna University of Technology·JournalPhysical Review Letters·TypeComputational simulation/modeling·DateSep 22, 2021

Wide heads help sperm swim together

Researchers used machine learning to discover that sperm with a wide head relative to length are more likely to clump together and swim collectively, a rare behavior that sometimes helps them reach an egg faster. The study provides a new method for understanding how form and function are related in cells with complex behaviors.

SourceUniversity of Maryland·JournalProceedings of the Royal Society B Biological Sciences·TypeComputational simulation/modeling·DateSep 22, 2021

Expanding teleworking would reduce pollution by up to 10%

A study by ICTA-UAB finds that implementing teleworking two, three or four days a week would reduce nitrogen dioxide levels by 4%, 8% and 10%. This is achieved through a decrease in traffic-related emissions, with the greatest reduction expected when all employees in the service sector work from home.

SourceUniversitat Autonoma de Barcelona·Journalnpj Urban Sustainability·TypeComputational simulation/modeling·DateSep 22, 2021

Pregnant women who receive COVID-19 vaccination pass protection from the virus to their newborns

A new study found that COVID-19 vaccinated pregnant women pass high levels of antibodies to their babies, providing protection against infection. The Pfizer-BioNTech and Moderna mRNA vaccines trigger the production of protective antibodies in mothers, which are then transferred to newborns.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalAmerican Journal of Obstetrics & Gynecology MFM·DateSep 22, 2021
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.

Researchers find human learning can be duplicated in solid matter

Rutgers researchers have found that learning can be mimicked in synthetic matter, which could lead to new algorithms for artificial intelligence. The study involved changing the environment of nickel oxide material and observing its response.

SourceRutgers University·JournalProceedings of the National Academy of Sciences·DateSep 22, 2021

Early-stage drug candidate diminishes deficits in Parkinson's disease

Researchers have identified a molecule that slows cells' production of alpha-synuclein, a protein forming toxic aggregates in Parkinson's brains. The compound, A-443654, also reduces cell stress and may help degrade existing alpha-synuclein aggregates.

SourceUniversity of Utah Health·JournalJournal of Biological Chemistry·TypeExperimental study·DateSep 22, 2021
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.

Unveiling galaxies at cosmic dawn that were hiding behind the dust

Researchers used ALMA to observe distant galaxies and discovered two new, dusty galaxies near original targets, challenging our understanding of early galaxy formation. The discovery suggests that a significant portion of early galaxies may be hidden from view due to cosmic dust.

SourceWaseda University·JournalNature·TypeData/statistical analysis·DateSep 22, 2021

Adults with neurologic conditions more likely to have experienced childhood trauma

A study published in Neurology Clinical Practice found that adults with neurologic conditions are more likely to have had adverse childhood experiences such as abuse or neglect. The study suggests that early recognition of these high adverse childhood experiences may improve health outcomes for individuals with neurologic conditions.

SourceAmerican Academy of Neurology·JournalNeurology Clinical Practice·DateSep 22, 2021
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.