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Science News Archive 2021 - Page 100


Page 100 of 510

‘Selective promiscuity,’ chaperones and the secrets of cellular health

Researchers at UMass Amherst discovered that molecular chaperones display 'selective promiscuity', enabling them to play a crucial role in maintaining healthy cells. This property allows chaperones to help many different proteins, which is essential for cell health.

SourceUniversity of Massachusetts Amherst·JournalProceedings of the National Academy of Sciences·DateOct 12, 2021
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.

Study at molecular level finds IRL green sea turtles biologically stressed

Research at Florida Atlantic University found that green sea turtles in polluted environments have impaired immune systems, leading to increased disease susceptibility. The study suggests a positive feedback loop where pollution compromises immunity, making turtles more prone to Green Turtle Fibropapillomatosis.

SourceFlorida Atlantic University·JournalJournal of Wildlife Diseases·TypeExperimental study·DateOct 12, 2021

The deepest dive into the Earth's soil

The University of Idaho's Deep Soil Ecotron facility will be a game-changer for understanding soil ecosystems, allowing researchers to conduct experiments at unprecedented depths. By studying deep soils, scientists can better understand how organisms respond to global environmental change and improve carbon sequestration.

SourceUniversity of Delaware·DateOct 12, 2021

Nanosilver no ‘silver bullet’ in long-term treatment of infections

Researchers found that nanosilver treatment can increase the risk of recurrent infections when used long-term due to pathogen adaptation. Long-term exposure allows bacteria like Pseudomonas aeruginosa to evolve and resume normal growth upon discontinuation of treatment.

SourceUniversity of Technology Sydney·JournalJournal of Nanobiotechnology·TypeExperimental study·DateOct 12, 2021

Direct photons offer glimpse of gluons' dynamic motion

Researchers at RHIC's PHENIX Collaboration report new data on direct photons, revealing the potential to study gluons' transverse motion within protons. The measurements are 50 times more precise than previous data and validate the approach for future studies of proton spin and structure.

SourceDOE/Brookhaven National Laboratory·JournalPhysical Review Letters·TypeExperimental study·DateOct 12, 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.

Challenging the big bang puzzle of heavy elements

Scientists propose an alternative model for the formation of nitrogen, oxygen, and water based on the Earth's atmosphere history. They suggest that the Earth's lower mantle can create heavier elements through nuclear transmutation under high temperatures and pressures.

SourceAmerican Institute of Physics·JournalAIP Advances·DateOct 12, 2021

Engineering drought-resistant plants may be more difficult than it seems

Researchers found that regular plants have distinct metabolic differences from CAM photosynthesis-adapted species, which could hinder efforts to bioengineer drought tolerance in crops. Understanding these differences is crucial for future research and potential crop improvement.

SourceSmithsonian Tropical Research Institute·JournalNew Phytologist·DateOct 12, 2021

Life expectancy declining in many English communities even before COVID-19 pandemic

Research by Imperial College London found life expectancy declined in nearly one-fifth of women's and one-ninth of men's communities between 2014-2019. Communities with lowest life expectancy were often located in urban areas in the North of England, with stark geographical differences observed.

SourceImperial College London·JournalThe Lancet Public Health·TypeObservational study·DateOct 12, 2021

Synthesis of AgNPs@rGO: Simple and green way for wound healing

Scientists from Hefei Institutes of Physical Science create a novel approach to synthesizing silver nanoparticles and reduced graphene oxide composite material using plasma technology. The resulting AgNPs@rGO nanomaterial shows excellent disinfection effects and bio-compatibility, making it suitable for wound healing band-aids.

SourceHefei Institutes of Physical Science, Chinese Academy of Sciences·JournalChemical Engineering Journal Advances·DateOct 12, 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.

How to better identify dangerous volcanoes

Researchers found that high water content in magma can reduce the risk of an explosive eruption. The study suggests combining different metrics to predict gas bubbles and crystallization, potentially leading to better forecasts for dangerous explosions.

SourceETH Zurich·JournalNature Geoscience·DateOct 12, 2021

Quest for bacterial cocktails to fight infections

Researchers identify beneficial bacteria like Klebsiella oxytoca that can combat hospital germs like K. pneumoniae. The study found that co-infection with these 'good' bacteria reduces susceptibility to infections and promotes a quicker recovery after antibiotic therapy.

SourceGerman Center for Infection Research·JournalCell Host & Microbe·TypeExperimental study·DateOct 12, 2021
Apple iPhone 17 Pro

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

New UCF project will explore using AI to improve telehealth

A new UCF project aims to improve telehealth medicine by leveraging artificial intelligence to enhance healthcare training and diagnostic reasoning. The research will focus on implementing AI and new technologies into telehealth, tracking physicians' and patients' communication, and recording diagnosis accuracy.

SourceUniversity of Central Florida·DateOct 12, 2021

Chemist develops synthetic materials for energy-saving applications

A chemist at UTA is working on creating new synthetic materials that can improve on inorganic metal oxides for use in various energy-saving applications, particularly in solar energy technology. The goal is to develop materials with improved stability and energy storage capability.

SourceUniversity of Texas at Arlington·DateOct 12, 2021

Surrey researchers breathe new life into paper books with the Magic Bookmark

Researchers at the University of Surrey have designed an electronic system that allows readers to access multimedia content by placing a bookmark on a page. The Magic Bookmark uses optical sensors and can be made nearly invisible yet detectable, enabling responsible disposal options.

SourceUniversity of Surrey·JournalAdvanced Intelligent Systems·TypeExperimental study·DateOct 12, 2021
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.

Scientists measure calcium’s thin skin

Researchers at Jefferson Lab discovered a thinner neutron skin around calcium nuclei than expected, contrasting with lead measurements. This finding presents an opportunity for further exploration into the underlying reasons for this difference.

SourceDOE/Thomas Jefferson National Accelerator Facility·DateOct 12, 2021

"Caramel receptor" identified

Researchers at the Leibniz Institute for Food Systems Biology have identified the 'caramel receptor', which recognizes furaneol, a natural odorant found in fruits and coffee. This discovery contributes to a better understanding of molecular coding of food flavors.

SourceLeibniz-Institut für Lebensmittel-Systembiologie an der TU München·JournalJournal of Agricultural and Food Chemistry·TypeExperimental study·DateOct 12, 2021
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.

Worsening depression cuts survival in lung cancer patients

A new study has found that worsening depression after diagnosis significantly reduces the survival of lung cancer patients. The trajectory of depressive symptoms was found to be a key factor in understanding how depression relates to premature death. Patients with worsening depression had shorter lifespans, even when receiving advanced...

SourceOhio State University·JournalPsychosomatic Medicine·TypeObservational study·DateOct 12, 2021

Ultrafast and coupled -- atomic vibrations in the quantum material boron nitride

Researchers discovered ultrafast coupled atomic vibrations in few-layer hexagonal boron nitride, resulting in a frequency down-shift of the optical phonons. The study also reveals a nonlinear optical effect that can be induced by moderate power light, holding potential for optoelectronic applications.

SourceMax Born Institute for Nonlinear Optics and Short Pulse Spectroscopy (MBI)·JournalPhysical Review B·TypeExperimental study·DateOct 12, 2021
Fluke 87V Industrial Digital Multimeter

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

Chemists discover faster-acting forms of insecticide imidacloprid

Scientists at New York University have developed seven new crystal forms of the insecticide imidacloprid, which work up to nine times faster than the original version. The new forms enable the control of disease-carrying mosquitoes in smaller amounts and with reduced environmental impact.

SourceNew York University·JournalJournal of the American Chemical Society·DateOct 12, 2021

The dark side of social media networks

A systematic review of social media research identified 46 harmful effects, ranging from psychological harms like jealousy and loneliness to security and privacy issues. The study highlights the need for user moderation and software development strategies to mitigate these negative effects.

SourceUniversity of Technology Sydney·JournalJournal of Global Information Management·TypeSystematic review·DateOct 12, 2021

Exposure to childhood adversity is linked to early mortality and associated with nearly half a million annual US deaths

A new study reveals that childhood adversity is a major contributor to early and preventable causes of mortality and long-term physical and mental health issues. Childhood adversity was found to be associated with elevated risk for chronic diseases, including heart disease and cancer.

SourceColumbia University's Mailman School of Public Health·JournalJAMA Pediatrics·DateOct 12, 2021

New proteins enable scientists to control cell activities

Researchers create protein switches that can be activated and deactivated using a clinically approved drug, enabling controlled cell activity. This method could be used to monitor the safety and efficacy of modified cells.

SourceEcole Polytechnique Fédérale de Lausanne·JournalNature Communications·DateOct 12, 2021

Disordered carbon anodes for Na-ion batteries—quo vadis?

Researchers highlight the potential of disordered carbons as anode materials for sodium-ion batteries, but also identify remaining challenges. The authors propose five key research directions to advance the field and improve battery performance.

SourceScience China Press·JournalScience China Chemistry·DateOct 12, 2021
Meta Quest 3 512GB

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

Immune response to COVID-19 vaccine different with prior infection

Researchers found that both Pfizer and Moderna vaccines generate long-term populations of T cells that can recognize multiple variants of the SARS-CoV-2 virus. However, individuals with a prior COVID-19 infection showed improved T cell responses in the respiratory tract, suggesting better protection against breakthrough infections.

SourceGladstone Institutes·JournaleLife·DateOct 12, 2021

Stellar fossils in meteorites point to distant stars

A new study analyzes presolar grains in meteorites to determine their stellar origins, using improved spatial resolution and isotopic analysis techniques. The research finds that the N isotope ratios of certain grains link them to different types of carbon stars, providing insights into the history of the universe.

SourceWashington University in St. Louis·JournalThe Astrophysical Journal Letters·TypeExperimental study·DateOct 12, 2021

Gorillas can tell human voices apart

A new study shows that gorillas can distinguish between human voices, reacting with distress when hearing unfamiliar or negative voices. The apes' ability to gauge threats by familiarity of human voices has implications for their wild cousins.

SourceUniversity of Georgia·JournalAnimal Cognition·DateOct 12, 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.

When breezy, wear masks outdoors to prevent coronavirus exposure

Researchers found that a light breeze of about 5 mph extends effective social distancing by around 20% due to increased viral load persistence. Wearing masks outdoors reduces the chances of infection, with stronger winds increasing virus spread.

SourceAmerican Institute of Physics·JournalPhysics of Fluids·DateOct 12, 2021

Unraveling the mystery of why we overeat

Researchers from The Stuber Lab discovered that certain neurons in the brain light up in obese mice, preventing signals that indicate satiety. The study found that these neurons communicate with regions involved in depression and motivation, suggesting a link between eating disorders and addiction.

SourceUniversity of Washington School of Medicine/UW Medicine·JournalNeuron·TypeExperimental study·DateOct 12, 2021

An adaptive microscope for the imaging of biological surfaces

A team developed a smart microscope that adapts to curved biological surfaces, reducing irradiation by up to 100 times. This breakthrough technology enables long-term imaging of fragile objects like embryos and organoids.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateOct 12, 2021

No apparent shortage of prey for southern resident killer whales in Canadian waters during summer

A study by University of British Columbia researchers reveals that southern resident killer whales have access to four to six times more Chinook salmon in the Salish Sea than northern residents. This challenges the common notion of a prey shortage for southern residents during summer feeding grounds.

SourceUniversity of British Columbia·JournalCanadian Journal of Fisheries and Aquatic Sciences·DateOct 12, 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.

Fintech can promote financial inclusion in emerging economies

A new study from the University of Illinois evaluates fintech systems in 16 emerging markets, finding that digital technologies improve access to financial services. However, vulnerable populations face barriers to usage due to digital literacy, cost, and limited consumer protections.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalEmerging Markets Review·TypeData/statistical analysis·DateOct 12, 2021

Carbon dissolved in Arctic rivers affects our world—here’s how to study it

Scientists have made significant gains in understanding the Arctic's carbon cycle by studying the transfer of dissolved organic carbon from land to ocean via rivers. The research highlights the importance of this process in coastal foodwebs and the impacts of climate change on freshwater export and DOC loading.

SourceUniversity of Massachusetts Amherst·JournalEnvironmental Research Letters·DateOct 12, 2021

Islands are cauldrons of evolution

Research by Washington University in St. Louis explores the collision of island and mainland adaptive radiations in neotropical anoles, finding that island species can diversify greatly on the mainland. Contrary to traditional thinking, islands are not evolutionary dead ends but rather cauldrons of innovation and diversification.

SourceWashington University in St. Louis·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateOct 12, 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.

New nanostructure could be the key to quantum electronics

A novel nanostructure combining aluminium single crystals and semiconductor germanium shows unique effects at low temperatures, including superconductivity and electric field control. This structure is well-suited for complex quantum technology applications and can be fabricated using established semiconductor techniques.

SourceVienna University of Technology·JournalAdvanced Materials·TypeExperimental study·DateOct 12, 2021

Meet the 42: ESO images some of the biggest asteroids in our Solar System

The study of 42 asteroids provides detailed images and shapes, revealing a variety of asteroid types, including spherical and elongated objects. The densities of the asteroids vary significantly, suggesting different compositions and origins, supporting theories of substantial migration and distinct region formation in the Solar System.

SourceESO·JournalAstronomy and Astrophysics·DateOct 12, 2021

New surgical procedure developed to cure watery eyes

A new surgical procedure, Conjunctivoductivo-dacryocystorhinostomy, has been developed to treat intractable canalicular obstruction and watery eyes. The procedure creates a new passage for tear fluid to flow, eliminating facial scarring and foreign matter.

SourceToho University·JournalThe Laryngoscope·TypeExperimental study·DateOct 12, 2021

Glaciers are melting faster and faster

A research team from VUB has been monitoring glaciers in the Alps for 20 years, using drones to track glacier melting and find that the Morteratsch and Pers glaciers have lost mass again. The study found that climate change is causing glaciers to lose mass faster, with one cooler summer not changing the overall trend.

SourceVrije Universiteit Brussel·JournalThe Cryosphere·DateOct 12, 2021
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.

Helmet use reduces moderate or severe head injuries in youths riding ATVs and dirt bikes

The study analyzed data from 680 patients aged 1-17 who were involved in ATV or dirt bike crashes. Helmeted riders had lower rates of neurosurgical consultation, intracranial injury, moderate or severe traumatic brain injury, and required fewer neurosurgical procedures compared to unhelmeted riders.

SourceJournal of Neurosurgery Publishing Group·JournalJournal of Neurosurgery Pediatrics·TypeObservational study·DateOct 12, 2021

Low-performing computer science students face wide array of struggles

Researchers found that lower performing students reported higher stress levels due to multiple factors, including work obligations, feeling like they don't belong, or lack of confidence. The study suggests that successful interventions should target multiple areas of student stress.

SourceUniversity of California - San Diego·TypeSurvey·DateOct 12, 2021

Most mothers born with heart defects can become pregnant and give birth safely

A study of 7,512 pregnancies in women with congenital heart disease found no maternal deaths, but more health complications for mothers and babies compared to a control group. Babies born to CHD mothers had an increased risk of stillbirths, low birthweight, and major visible abnormalities.

SourceEuropean Society of Cardiology·JournalEuropean Heart Journal·TypeObservational study·DateOct 12, 2021

Growing droplets in the matrix

The study assesses how temperature influences droplet size in elastic matrices, providing insights into biological molecule arrangement and condensate formation. It also explores the role of phase separation and its effect on droplet growth.

SourceMax-Planck-Gesellschaft·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateOct 12, 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.