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Science News Archive 2021 - Page 269


Page 269 of 510

A drug from resin to combat epileptic seizures

Researchers at Linköping University have developed new resin acid molecules with antiseizure effects, opening a potassium ion channel that can prevent epileptic seizures. The molecules also show less effect on smooth muscle, reducing undesired side effects.

SourceLinköping University·JournalEpilepsia·DateJun 8, 2021

Researchers study historic Mississippi flow and impacts of river regulation

A recent paper examines the critical period before river regulation began, revealing that erosion of the upper Atchafalaya and dredging of the lower Mississippi contributed to increased water flow. The research aims to better understand river channel dynamics and inform management decisions to preserve Louisiana's coastline.

SourceUniversity of Arkansas·JournalWater Resources Research·DateJun 8, 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.

Food systems offer huge opportunities to cut emissions, study finds

A new global analysis reveals that greenhouse-gas emissions from food systems have long been systematically underestimated, with the equivalent of 16 billion metric tons of carbon dioxide produced in 2018. The study highlights the need for integrating research with efforts to reduce emissions and emphasizes the importance of considerin...

SourceColumbia Climate School·JournalEnvironmental Research Letters·DateJun 8, 2021
Apple iPhone 17 Pro

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

Researchers improve western North Pacific tropical cyclone intensity forecasts using the logistic growth equation

A new forecasting method has been developed to improve TC intensity forecast skill, providing more precise 5-7 day forecasts for coastal regions of East Asia. The logistic growth equation-based approach outperforms conventional methods, offering potential for forecasting rapid intensification and weakening.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAdvances in Atmospheric Sciences·DateJun 8, 2021
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.

Earth's meteorite impacts over past 500 million years tracked

A new study at Lund University tracked meteorite flux to Earth over 500 million years, revealing a stable flux contrary to current theories. Researchers analyzed sedimentary rocks and extracted chromium oxide grains from nearly 10,000 meteorites.

SourceLund University·JournalProceedings of the National Academy of Sciences·DateJun 8, 2021

'Camouflage breakers' can find a target in less than a second

Researchers have developed a method for breaking camouflage that allows civilians and military personnel to identify hidden targets with high accuracy, even in complex scenes. The technique has been shown to be effective even when participants are given only a short viewing time.

SourceMedical College of Georgia at Augusta University·DateJun 8, 2021

The next 20 are years crucial in determining the future of coal

A new analysis from Imperial College London suggests that countries investing in new coal mines and exports risk losing billions of dollars as the world shifts away from fossil fuels. Transitioning to a sustainable pathway by 2040 could save $10 billion per year globally, while avoiding job losses and economic instability.

SourceImperial College London·JournalJoule·DateJun 8, 2021
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.

X-ray flash imaging of laser-induced bubbles and shockwaves in water

A research team led by the University of Göttingen has created tiny gas bubbles with a radius of a few thousandths of a millimeter using laser pulses, observing their expansion and shockwaves. The team used holographic flash imaging and X-ray laser pulses to capture data and images, providing insights into cavitation processes.

SourceUniversity of Göttingen·JournalNature Communications·DateJun 8, 2021

A call for global oversight of unproven stem cell therapies

Experts call for global regulation to prevent unproven stem cell treatments from putting patients' lives at risk. The authors propose establishing an advisory committee on regenerative medicine and promoting harmonization among regulatory standards.

SourceCell Press·JournalStem Cell Reports·DateJun 8, 2021

UN: More harmful algal bloom impacts emerge amid rising seafood demand, coastal development

A global assessment report by UNESCO's Intergovernmental Oceanographic Commission found that reported Harmful Algal Bloom (HAB) events have increased in some regions, while decreasing or holding steady in others. The study highlights the need for more research on the linkages between HABs and growth of the aquaculture industry.

SourceTerry Collins Assoc·JournalCommunications Earth & Environment·DateJun 8, 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.

Science and performing arts against stereotypes

A 14-day performing arts program reduced implicit cognitive biases against physical illnesses, according to a University of Barcelona study. The program combined scientific training with theatre performance and showed that participants' reaction times decreased after the experience.

SourceUniversity of Barcelona·JournalFrontiers in Psychology·DateJun 8, 2021

Study shows how taking short breaks may help our brains learn new skills

Researchers found that during rest, the brain rapidly replays compressed versions of previously practiced activities, strengthening memories and improving subsequent practice sessions. This study suggests that wakeful rest plays a crucial role in learning new skills and may be used to facilitate rehabilitation from stroke.

SourceNIH/National Institute of Neurological Disorders and Stroke·JournalCell Reports·DateJun 8, 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.

New study: Developers' skills and top management commitment lead to Agile project success

A new study by Associate Professor Daniel Russo highlights the importance of strengthening developers' social and technical skills for Agile project success. The study also emphasizes the critical role of top management commitment in providing an adequate organizational setting.

SourceDepartment of Computer Science, Aalborg University·JournalACM Transactions on Software Engineering and Methodology·DateJun 8, 2021

Microbial production of natural rainbow colorants

A research group at KAIST successfully produced seven natural rainbow colorants, including carotenoids and violacein derivatives, using engineered Escherichia coli strains. The strategies developed can be applied to the efficient production of other industrially important natural products.

SourceThe Korea Advanced Institute of Science and Technology (KAIST)·JournalAdvanced Science·DateJun 8, 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.

People more afraid of catching COVID-19 are more judgemental, study finds

A recent study by the University of Cambridge found that individuals who are more concerned about contracting COVID-19 tend to be more disapproving of others' wrongdoings. The researchers suggest that concerns about health and safety shape morality, leading to non-rational judgments.

SourceUniversity of Cambridge·JournalEvolutionary Psychology·DateJun 8, 2021

Oral health needs among youth with a history of foster care

A new study found that youth with a history of foster care have self-identified dental needs, including issues with pain, and less access to a dentist to address these needs. Approximately 44% of youth with a history of foster care reported at least one dental problem.

SourceUniversity of Minnesota·JournalThe Journal of the American Dental Association·DateJun 8, 2021

Report calls for 'comprehensive action' to tackle poverty in UK city

A new study by Staffordshire University highlights the devastating impact of COVID-19 on Stoke-on-Trent's residents, with thousands turning to foodbanks for welfare support. The report calls for comprehensive action to address poverty, including benefit take-up campaigns and a Scandinavian-style employment and training model.

SourceStaffordshire University·DateJun 8, 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.

Discovery of circadian rhythm gene in mice could lead to breakthroughs

Researchers at Virginia Tech have identified a novel gene, Per2AS, that controls the sleep/wake cycle in mice, revealing the importance of non-coding genes in regulating biological processes. The study's findings could lead to breakthroughs in understanding internal body clocks and their role in various diseases.

SourceVirginia Tech·JournalGenes & Development·DateJun 8, 2021

Preventing plant disease pandemics

Plant diseases can spread globally without borders, threatening food security. Researchers call for a One Health approach to safeguard staple crops from pandemic outbreaks.

SourceVirginia Tech·JournalProceedings of the National Academy of Sciences·DateJun 8, 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.

A vital tool to study virus evolution in the test tube

Researchers have developed a technology to manipulate viruses synthetically, allowing for rapid analysis and mapping of new potential virus variants. This innovation enables scientists to mimic natural selection processes safely in a controlled laboratory environment.

SourceUniversity of Queensland·JournalNature Communications·DateJun 8, 2021

Early endeavors on the path to reliable quantum machine learning

Researchers at ETH Zurich have developed a new approach to prove the robustness conditions of certain quantum-based machine learning models, guaranteeing reliable results. The team's work explores protection against errors and hackers, paving the way for more accurate and trustworthy quantum machine learning applications.

SourceETH Zurich·Journalnpj Quantum Information·DateJun 8, 2021

Radicalized and believing in conspiracies: Can the cycle be broken?

A recent study suggests that improving economic conditions can reduce radicalization efforts, but trying to render people psychologically less susceptible can backfire. Conspiracies have become a powerful tool for far-right groups to manipulate public discourse and drive the growing radicalization of average Americans.

SourceUniversity of Rochester·JournalAmerican Journal of Political Science·DateJun 8, 2021
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.

Preclinical study suggests new approach to reduce COVID-19 death among the elderly

A preclinical study suggests that senolytic drugs can significantly reduce mortality and severe disease in elderly people infected with SARS-CoV-2. The study found that treating older mice with senolytic drugs increased their survival rate from nearly 0% to 50%, reducing cellular senescence and inflammatory markers.

SourceUniversity of Minnesota Medical School·JournalScience·DateJun 8, 2021

New COVID-19 model reveals effectiveness of travel restrictions

A new model developed by Rensselaer Polytechnic Institute found that coordinated travel restrictions could have reduced the spread of COVID-19, with some restrictions reducing arrival times by up to 10 days and global infections by 6 million.

SourceRensselaer Polytechnic Institute·JournalCommunications Physics·DateJun 7, 2021

Atom swapping could lead to ultra-bright, flexible next generation LEDs

Researchers at the University of Cambridge have developed a new technique that enables the creation of ultra-bright, flexible LEDs with improved efficiency and low cost. By swapping one out of every thousand atoms, they tripled the luminescence of halide perovskites, which could be useful for low-cost printable and flexible LED lighting.

SourceUniversity of Cambridge·JournalJournal of the American Chemical Society·DateJun 7, 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.

Gender bias is real for women in family-owned businesses

A study found that women in family-owned businesses are often discouraged from developing leadership skills and pursuing entrepreneurial careers. The research revealed that 78% of sons pursued entrepreneurial careers, while only 7% of daughters gained an entrepreneurial education or started a business.

SourceUniversity of Ottawa·JournalJournal of Small Business Management·DateJun 7, 2021

Papers explore massive plankton blooms with very different ecosystem impacts

Two new papers investigate massive plankton blooms with vastly different potential impacts on ecosystems. The studies reveal unexpected productivity hotspots in the Mid-Atlantic Bight, fueled by Gulf Stream water upwelling, and a huge bloom of Phaeocystis pouchetii on the New England continental shelf.

SourceWoods Hole Oceanographic Institution·JournalGeophysical Research Letters·DateJun 7, 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.

Nobody's been studying socially isolated kids -- that's a problem

A recent study reveals that socially isolated kids face different risks than those who experience peer rejection. The researchers found that socially isolated kids are more likely to exhibit internalizing behaviors like shyness and withdrawal, while those in the rejected group are more prone to aggressive behavior.

SourceNorth Carolina State University·JournalJournal of Youth and Adolescence·DateJun 7, 2021

Trained viruses prove more effective at fighting antibiotic resistance

Researchers have discovered that pre-trained phages can increase their ability to fight bacterial infections, delaying the onset of antibiotic resistance. This breakthrough uses evolutionary training to improve phage potency against deadly bacteria.

SourceUniversity of California - San Diego·JournalProceedings of the National Academy of Sciences·DateJun 7, 2021

Applying mathematics takes 'friendship paradox' beyond averages

Researchers apply mathematics to real-world data, finding popular people tend to be friends with each other, while less popular people connect with others of similar status. The study reveals around 95% of variation in social networks can be explained by these two factors.

SourceSanta Fe Institute·JournalJournal of Complex Networks·DateJun 7, 2021

How a global pandemic changed the way we eat and shop

The pandemic led to increased consumption of unhealthy snacks, desserts, and sugary drinks. Many Americans worried about food availability and safety, with lower-income households more concerned. Online grocery shopping became a key trend during the pandemic.

SourceAmerican Society for Nutrition·DateJun 7, 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.

Do customer loyalty programs really help sellers make money?

A recent study found that non-tiered customer loyalty programs create a more sustainable customer base and reduce customer fall-off and turnover. The program's effectiveness lies in its ability to nurture long-term relationships with customers, rather than increasing frequency or spending.

SourceInstitute for Operations Research and the Management Sciences·JournalMarketing Science·DateJun 7, 2021

Climate warming to increase carbon loss in Canadian peatland by 103 per cent

A new study found that climate warming will increase carbon loss in Canadian peatland by 103 per cent due to changes in soil temperature and photosynthesis. This will lead to a strong positive climate feedback loop, where peatlands release greenhouse gases contributing to further climate warming.

SourceUniversity of Waterloo·JournalCommunications Earth & Environment·DateJun 7, 2021

Study sheds light on pre-Columbian life in understudied area of SW Amazon

Researchers found evidence of intensive land use for farming and fishing over 3,500 years ago in the Llanos de Mojos region of Bolivia. This discovery counters the often-held notion of a pristine Amazon before Europeans arrived and provides new insights into the history of culturally diverse but understudied cultures.

SourceUniversity of Central Florida·JournalProceedings of the National Academy of Sciences·DateJun 7, 2021
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.