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Science News Archive February 2021 - Page 6


Page 6 of 45

Privacy issues and security risks in Alexa Skills

Researchers analyzed over 90,000 Alexa Skills and found significant security gaps, including the ability to publish skills under false identities and circumvent Amazon's security checks. Many Skills lack proper privacy policies, putting users' sensitive information at risk.

SourceRuhr-University Bochum·DateFeb 24, 2021

Ancient skeletal hand could reveal evolutionary secrets

A 4.4 million-year-old skeleton could show how early humans moved and began to walk upright, according to new research led by a Texas A&M University professor. The study found evidence of an 'evolutionary jump' between the hand of Ardi and all later hominin hands, including that of Lucy's species.

SourceTexas A&M University·JournalScience Advances·DateFeb 24, 2021

Bridging superconductor and semiconductor technology

The international research network SuperGate is developing a bridging technology that combines superconductor technology with semiconductor technology. The goal is to design high-performance superconducting circuits that can be operated as if they were based on semiconductor technologies.

SourceUniversity of Konstanz·DateFeb 24, 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.

Unequal parenthood impacts may explain academia's publication gender gap

A study of 3,064 tenure track faculty found that mothers experience greater reductions in short-term research productivity than fathers, contributing to the gender gap. Flexible policies, such as accessible lactation rooms and affordable childcare, may help alleviate this impact and support women in academia.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience Advances·DateFeb 24, 2021

Research finds Australian bushfires should change where and how we live

Researchers propose new approach to planning in high fire risk areas, incorporating green technology infrastructure and Indigenous fire techniques. The study emphasizes the urgent need for strong leadership and collaboration to address climate change and transition to a renewable future.

SourceCurtin University·Journalnpj Urban Sustainability·DateFeb 24, 2021
Apple iPhone 17 Pro

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

Red light put moths in the mood

A new study published in Frontiers in Genetics shows that dim red light enhances the mating and egg-laying behaviors of yellow peach moths by selectively activating a genetic pathway related to olfaction. This increase in sensitivity is made possible due to the unique properties of odorant binding proteins secreted by auxiliary cells s...

SourceFrontiers·JournalFrontiers in Genetics·DateFeb 24, 2021

Buckyballs on DNA for harvesting light

A novel type of organic light-harvesting supramolecule based on DNA is synthesized to improve the quantum efficiency of electron-hole pair production. The supramolecule's 3D structure persists in both liquid and solid phases, outperforming traditional electron donors and acceptors.

SourceFrontiers·JournalFrontiers in Chemistry·DateFeb 24, 2021

A gene provides both protection and destruction

Researchers have discovered a gene called ENDU-2 that can trigger tumor formation from a distance while also protecting cells under stress. In the nematode worm C. elegans, ENDU-2 helps protect germline immortality, suggesting its role in cancer development and cell survival.

SourceUniversity of Freiburg·JournalNature Communications·DateFeb 24, 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.

Improving road safety to tackle crime

Research from UCL found a surprising synchronicity between car accidents and violent crimes in Mexico City, revealing 'heartbeats' of the city that peak in the evening. Improving road safety could improve crime prevention and give more resources to police tackling crime.

SourceUniversity College London·JournalPLOS ONE·DateFeb 24, 2021

Daily emails about chemicals in tobacco lead some smokers to consider quitting

A new study found that daily emails about tobacco chemicals and health risks increased smokers' desire to quit by almost 10%. The messages, combined with graphic images, were sufficient to stimulate quit intentions. Researchers believe this innovative strategy can inform the FDA's educational campaigns.

SourceUNC Lineberger Comprehensive Cancer Center·JournalJAMA Network Open·DateFeb 24, 2021

The risks of communicating extreme climate forecasts

A new study by Carnegie Mellon University researchers argues that extreme climate forecasts can be counterproductive, leading to public distrust in climate science. The study analyzed 79 climate-caused apocalypse predictions and found that many have expired without consequence, undermining the credibility of such forecasts.

SourceCollege of Engineering, Carnegie Mellon University·JournalInternational Journal of Global Warming·DateFeb 24, 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.

Pushing computing to the edge by rethinking microchips' design

Researchers at Princeton University have created a new microchip design that enables AI systems to process data closer to the edge of computing infrastructure. The innovative design reduces power consumption and latency, making AI more accessible and efficient.

SourcePrinceton University, Engineering School·DateFeb 24, 2021

Efficient, systematic genetic analysis helps dissect disease inheritance

A new high-throughput biological assay technique has been developed to systematically analyze the impact of nearly 100,000 genetic variants on transcription factor binding to DNA. The study found that noncoding genetic variant rs7118999 can affect DNA binding with a transcription factor, regulating blood lipid levels in type 2 diabetes.

SourceCity University of Hong Kong·JournalNature·DateFeb 24, 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.

Open data on malaria genomes will help combat drug resistance

The world's largest resource of genomic data on malaria parasite evolution and drug resistance has been released, providing benchmark data for new drugs and vaccines. The dataset includes over 7,000 malaria parasites from 28 endemic countries, offering insights into the evolutionary processes of Plasmodium falciparum.

SourceWellcome Trust Sanger Institute·JournalWellcome Open Research·DateFeb 24, 2021

Treating rheumatoid arthritis with micromotors

Scientists create magnesium-based micromotors that produce hydrogen bubbles, which propel the motors and release hydrogen gas into inflamed joints. This therapy shows promise in reducing joint pain, swelling, and bone erosion in animal models of rheumatoid arthritis.

SourceAmerican Chemical Society·JournalNano Letters·DateFeb 24, 2021

Study identifies strengths and challenges of responding to dual disasters

A new study investigates how hurricanes and the COVID-19 pandemic affect each other and disaster response in southern Louisiana. Community-based organizations face new challenges, including reduced financial resources and service delivery constraints due to protocols to prevent SARS-CoV-2 spread.

SourceLouisiana State University Health Sciences Center·JournalInternational Journal of Environmental Research and Public Health·DateFeb 24, 2021

Ancestry estimation perpetuates racism, white supremacy

A new paper argues that ancestry estimation, used in forensic anthropology, is rooted in racist 'race science' and perpetuates white supremacy. The practice relies on flawed methods that have been debunked for decades.

SourceBinghamton University·JournalAmerican Journal of Physical Anthropology·DateFeb 24, 2021

New study suggests supermassive black holes could form from dark matter

A new theoretical study suggests that supermassive black holes could form directly from dark matter in high-density regions, contradicting current understanding of their formation. This proposal has key implications for cosmology and the early Universe, potentially explaining how supermassive black holes grew so quickly.

SourceRoyal Astronomical Society·JournalMonthly Notices of the Royal Astronomical Society·DateFeb 24, 2021
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.

With a pinch of salt: How reliable are existing studies on microplastics in table salt?

A systematic review of published papers on microplastics in table salt found significant variability in reported data due to differences in measurement and identification methods. The study highlights the need for standardized protocols to ensure reliable health-relevant results and accurately quantify human exposure to microplastics.

SourceIncheon National University·JournalJournal of Hazardous Materials·DateFeb 24, 2021

New research at UH Rainbow studies the impact of face masks on heart ra

Researchers at UH Rainbow Babies & Children's Hospital studied the impact of face masks on heart rate and oxygen levels. The study found that wearing a cloth or surgical mask did not impair oxygenation in healthy adults, either at rest or during physical activity.

SourceUniversity Hospitals Cleveland Medical Center·JournalPLOS ONE·DateFeb 24, 2021

Twin atoms: A source for entangled particles

Researchers at TU Wien have produced well-defined beams of entangled atoms using ultracold atom clouds in electromagnetic traps. The creation of controlled twin pairs has been demonstrated, allowing for new quantum experiments to be carried out with these atom pairs.

SourceVienna University of Technology·JournalPhysical Review Letters·DateFeb 24, 2021

Sound-frequency map for inner ear created with advanced X-ray technology

Scientists at Uppsala University have created the first 3D map of the hearing nerve, tracing fine nerve threads and vibrating auditory organ to understand how frequencies are distributed. This new knowledge can lead to more effective cochlea implant treatments for the hearing-impaired.

SourceUppsala University·JournalScientific Reports·DateFeb 24, 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.

Asteroid dust found in crater closes case of dinosaur extinction

Researchers have found asteroid dust inside a Chicxulub impact crater, confirming the link between asteroid impacts and dinosaur extinction. The discovery seals the deal, with elevated levels of iridium and other asteroid elements matching those in geologic layers worldwide.

SourceUniversity of Texas at Austin·JournalScience Advances·DateFeb 24, 2021

After Hurricane Irma, soundscape reveals resilient reef ecosystem

A recent study reveals that the soundscapes of coral reef ecosystems can recover from hurricanes like Irma in just 24-48 hours. The researchers used underwater microphones to monitor the reef's acoustic picture before and after the storm, finding that the snapping shrimp were back to pre-storm sound levels within 24 hours.

SourceNorth Carolina State University·JournalPLOS ONE·DateFeb 24, 2021

Abnormal sodium levels in hospitalized patients with COVID-19 predict death or respiratory failure

Researchers found that hospitalized COVID-19 patients with low sodium levels are twice as likely to need intubation or advanced breathing support, while those with high sodium levels are three times more likely to die. Sodium measurements can inform doctors about which patients are at high risk of deterioration and death.

SourceThe Endocrine Society·JournalThe Journal of Clinical Endocrinology & Metabolism·DateFeb 24, 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.

Politicized pandemic shaped compliance with social distancing

A new study found that trust in scientists was strongly associated with social distancing, while trust in President Trump was linked to lower compliance rates. The analysis of over 2,000 U.S. adults revealed that consistent messaging could have led to more widespread adherence to guidelines.

SourceOhio State University·JournalPLOS ONE·DateFeb 24, 2021

Professor developing indoor COVID-19 detector

Professor Gerardine Botte has received a $999,047 grant from the U.S. Department of Defense to develop an indoor COVID-19 sensor that can detect traces of SARS-CoV-2 in air. The sensor has already demonstrated fast detection capabilities in saliva and water, and the goal is to extend this technology for air collection.

SourceTexas Tech University·DateFeb 24, 2021

Costs associated with delirium in older adults after elective surgery

A recent study estimates that delirium in older adults one year after major elective surgery results in significant healthcare costs. The study analyzed Medicare claims and clinical data to determine the financial impact of delirium on patients, providing valuable insights for clinicians and policymakers.

SourceJAMA Network·JournalJAMA Surgery·DateFeb 24, 2021

Risk maps to predict West Nile virus spread a year in advance

Risk models developed by University of Malaga researchers use artificial intelligence to forecast West Nile virus outbreaks based on environmental variables such as temperature, humidity, and river presence. The study predicts areas at high risk of outbreak in European regions.

SourceUniversity of Malaga·JournalPLOS Neglected Tropical Diseases·DateFeb 24, 2021

Nature's funhouse mirror: understanding asymmetry in the proton

The experiment contradicts a previous study from the late 90s, suggesting that quarks and antiquarks have a smooth asymmetry with no flip of the ratio between anti-up and anti-down quarks. The discovery has implications for understanding the proton's properties and its role in atomic structure.

SourceDOE/Argonne National Laboratory·JournalNature·DateFeb 24, 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.

Among the leaders in medical and biological engineering

Prof. Thomas H. Epps, III has been elected to the AIMBE College of Fellows for outstanding contributions to self-assembly of polymeric materials for drug delivery and gene therapy applications. He will join a group of top medical and biological engineers in the US.

SourceUniversity of Delaware·DateFeb 24, 2021

Microscopic behavior of developing breast cells uncovered

Scientists have developed a high-tech fluorescence microscopy technique allowing them to film cells inside the breast for the first time. This new protocol provides detailed instructions on how to capture hi-res movies of cell movement, division and cooperation in hard-to-reach regions of breast tissue.

SourceWalter and Eliza Hall Institute·JournalNature Protocols·DateFeb 24, 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.

Understanding the evolution of SARS and COVID-19 type viruses

Researchers discover that SARS-CoV-2 and SARS-CoV-1 share similarities due to a recombination event involving the ACE2 receptor. The study provides evolutionary context for these viruses' behavior, enabling researchers to identify high-risk viruses and estimate their potential for human spillover.

SourceUniversity of California - Davis·JournalVirus Evolution·DateFeb 24, 2021

New fossil discovery illuminates the lives of the earliest primates

A team of researchers, including Graduate Center professor Stephen Chester, analyzed fossils of Purgatorius, the oldest genus in a group of early-known primates. The discovery provides insight into how life on land recovered after the Cretaceous-Paleogene extinction event that wiped out dinosaurs.

SourceAdvanced Science Research Center, GC/CUNY·JournalRoyal Society Open Science·DateFeb 24, 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.

Oktoberfest memories increase life-satisfaction, customer loyalty

Researchers found that creating memorable experiences at events like Oktoberfest increases life satisfaction among attendees. This leads to increased customer loyalty, positive word-of-mouth, and brand trust.

SourceWashington State University·JournalInternational Journal of Contemporary Hospitality Management·DateFeb 24, 2021

New study charts the complexity of SARS-CoV-2 neutralization

A new research study analyzed COVID-19 antibodies in asymptomatic patients and found that only 6 individuals produced sufficient neutralizing antibodies, while others developed high antibody levels with poor neutralization capabilities.

SourceAmerican Society for Microbiology·JournalmSphere·DateFeb 24, 2021

Mangrove forests store more carbon when they're more diverse

Researchers found that species diversity in mangrove forests enhances biomass production and soil carbon storage, leading to higher carbon storage capacities. Increasing mangrove diversity through restoration and conservation projects is crucial for mitigating climate change.

SourceBritish Ecological Society·JournalFunctional Ecology·DateFeb 24, 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.

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.

Virtual reality program lessens physical side effects of hemodialysis

A new virtual reality program has been shown to reduce the physical side effects of hemodialysis in patients, such as fatigue and nausea. The program, which involves a mindfulness/meditation exercise, was found to greatly improve symptoms in patients who used it during their treatment sessions.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalKidney360·DateFeb 24, 2021

Study shows economic impact of post-op delirium

A recent study published in JAMA Surgery reveals that post-operative delirium has substantial public health implications, resulting in higher healthcare costs for older adults. If delirium were prevented or made less severe, it could reduce healthcare costs by $33 billion per year.

SourceHebrew SeniorLife Hinda and Arthur Marcus Institute for Aging Research·JournalJAMA Surgery·DateFeb 24, 2021