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Science News Archive 2021 - Page 190


Page 190 of 510

Baby marine turtles’ stomachs are full of harmful plastic debris, suggests new study

A new study published in Frontiers in Marine Science reveals that small juvenile marine turtles from the Indian Ocean and Pacific Ocean have a high incidence of plastic ingestion. Plastic ingestion is suspected to lead to mortality, malnutrition, and chemical contamination. The types of plastic ingested vary between the two study sites...

SourceFrontiers·JournalFrontiers in Marine Science·TypeExperimental study·DateAug 2, 2021

Sea levels influence eruptions on volcanic island

Researchers found a 40-meter fall in sea level increases eruption likelihood at Santorini and possibly other volcanoes worldwide. Climate change impacts volcanic activity, particularly as ice sheets retreat and global sea levels rise.

SourceOxford Brookes University·JournalNature Geoscience·DateAug 2, 2021

Using virtual reality to help students understand the brain's complex systems, NYUAD researchers demonstrate effectiveness of 3D visualization as a learning tool

Researchers from NYUAD and University of Wisconsin-Madison develop interactive 3D diagrams to teach functional neuroanatomy. The study shows that VR exceeded PC viewing for experience-based learning outcomes, making it an enjoyable and easier learning tool.

SourceNew York University·JournalTranslational Issues in Psychological Science·TypeExperimental study·DateAug 2, 2021
Apple iPhone 17 Pro

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

Pulsed lasers in liquids speed up hunt for effective catalysts

Researchers at the University of Rochester have developed a new method using pulsed lasers in liquids to create nanoparticles that can be easily tested for use as catalysts. This technique accelerates the process of discovering effective catalysts, which is crucial for producing essential materials and clean fuels.

SourceUniversity of Rochester·JournalChemical Reviews·TypeLiterature review·DateAug 2, 2021

New app helps relieve back pain

A new app called selfBACK has been developed to help people deal with back pain in a better way. The app uses artificial intelligence and draws on other people's experiences with back pain to provide tailored advice and feedback.

SourceNorwegian University of Science and Technology·JournalJAMA Internal Medicine·TypeRandomized controlled/clinical trial·DateAug 2, 2021

Diabetes: Study of satiety mechanism yields new knowledge

Scientists discovered impaired leptin transport to the brain via LepR receptors leads to pre-diabetic state and exhausted insulin secretion. Reintroducing leptin restores pancreatic function-promoting action, suggesting a crucial brain role in type 2 diabetes management.

SourceINSERM (Institut national de la santé et de la recherche médicale)·JournalNature Metabolism·TypeExperimental study·DateAug 2, 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.

One of world’s rarest chameleons found clinging to survival

Chapman's Pygmy Chameleon, one of the world's rarest chameleons, has been found in surviving patches of forest in Malawi. The species was feared extinct due to forest loss and habitat fragmentation, leading to reduced genetic diversity and increased extinction risk.

SourceCambridge University Press·JournalOryx·TypeSurvey·DateAug 2, 2021

Where you live may affect your long term survival after heart attack

A Kaiser Permanente study of over 31,000 heart attack patients in Southern California revealed significant racial disparities in long-term survival. Black patients from lower-resourced neighborhoods were more likely to die within 5 years after a heart attack compared to white patients, regardless of healthcare access.

SourceKaiser Permanente·JournalJournal of the American College of Cardiology·DateAug 2, 2021

Stinkweed could make a cleaner bio-jet fuel, study finds

A new study suggests that growing stinkweed as a crop could produce cleaner jet fuel with fewer environmental impacts than other biofuels. The study found that stinkweed requires less fertilizer and pesticides, resulting in lower carbon dioxide emissions and air pollution.

SourceOhio State University·JournalApplied Energy·TypeComputational simulation/modeling·DateAug 2, 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.

Cancer vaccine improves outcomes in Lynch syndrome model

A new cancer vaccine strategy showed promise in a proof-of-concept study, reducing tumor burden and improving overall survival in an animal model of Lynch syndrome. The vaccine targets specific neoantigens produced by cancer cells, stimulating a robust immune response.

SourceWeill Cornell Medicine·JournalGastroenterology·DateAug 2, 2021

How headless hydra feel, react to prodding

Researchers at Rice University have developed a model of how internal states and external stimuli shape the behavior of hydra, a tiny, jellyfish-like creature. By studying their neural networks, scientists can gain insights into fundamental principles that may apply to more complex animals.

SourceRice University·TypeExperimental study·DateAug 2, 2021

Heterogeneous epitaxy of semiconductors targeting the post-Moore era

Researchers achieve continuous and flat nearly single-crystalline nitride films on amorphous glass substrate via van der Walls strategy. The development of this technology promises a universal method for improving the incorporation of Indium in III-nitrides.

SourceChinese Academy of Sciences Headquarters·JournalScience Advances·TypeExperimental study·DateAug 1, 2021

Internet CBT for depression reviewed and analyzed

An international study found that internet-based cognitive behavioral therapy (iCBT) is as effective as traditional CBT in treating mild to moderate depression, especially for the elderly. The study also identified harmful components of online treatments and emphasized the importance of regulating iCBT programs.

SourceUniversity of Gothenburg·JournalThe Lancet Psychiatry·TypeSystematic review·DateAug 1, 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.

Flood water: Toxins from the riverbed

A review of previous scientific studies on pollutant release from sediments during extreme flood events reveals significant risks to human and environmental health. The study highlights the need for good river management to address long-term consequences of pollutants in riverbeds.

SourceGoethe University Frankfurt·JournalJournal of Hazardous Materials·TypeSystematic review·DateJul 30, 2021

Trauma Informed Care can help break the cycle of violence

The American College of Surgeons proposes four strategies to address the root causes of violence, including investing in at-risk communities and advocating for policy changes. Trauma Informed Care is a key feature of these strategies, aiming to foster empowerment and partnership with patients.

SourceAmerican College of Surgeons·JournalJournal of the American College of Surgeons·DateJul 30, 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.

Scholars gauged energy inequality among Eurasian Economic union member states

The study found that energy intensity significantly drove electricity consumption growth in the EAEU, with Kazakhstan and Russia contributing to increased energy consumption. Armenia and Belarus showed a decrease in energy intensity due to declining fossil fuel consumption and green energy development.

SourceNational Research University Higher School of Economics·JournalRenewable and Sustainable Energy Reviews·DateJul 30, 2021

Could residential heat pumps be part of the climate solution?

A new study by University of Michigan researcher Parth Vaishnav suggests that deploying residential heat pumps can cut greenhouse gas emissions and save households money if the US grid becomes cleaner. However, raising heating costs for some houses is a concern, especially in areas with dirty electrical generation mixes.

SourceUniversity of Michigan·JournalEnvironmental Research Letters·DateJul 30, 2021

New research finds gay and bisexual men still earn less

A new study by Anglia Ruskin University found that gay and bisexual men earn less than heterosexual men due to workplace discrimination. Gay men earned 6.8% less, while bisexual men earned 10.3% less on average across Europe, North America, and Australia.

SourceAnglia Ruskin University·JournalJournal of Population Economics·TypeMeta-analysis·DateJul 30, 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.

Ultramarathon Mountain Race weather was predicted; impact was not

Researchers found that high-impact weather events can be extreme, especially in context of human activities. Detailed hypothermia risk forecasts were not available for the race site, contributing to tragedy. The study highlights the need for improved warning systems and collaborations among scientists, governments, social media, and ci...

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAdvances in Atmospheric Sciences·DateJul 30, 2021

Farm-centric research focuses on yield variability in Nepal’s smallholder cereal systems

Researchers developed a 'site-specific' strategy to improve cereal yields in Nepalese smallholder farms, outperforming traditional generalized approaches. The Nutrient Expert system uses machine learning to identify crop-specific nutrient requirements, optimizing yield and resource efficiency.

SourceAfrican Plant Nutrition Institute·JournalAgricultural Systems·TypeComputational simulation/modeling·DateJul 30, 2021

Mapping of genetic control elements in the cerebellum

Researchers mapped genetic control elements of active genes in the mouse cerebellum, identifying over 200,000 control elements and a temporal pattern shared between different cell types. The study also shed light on the evolution of gene regulatory programmes in mammals.

SourceHeidelberg University·JournalScience·TypeNews article·DateJul 30, 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.

Astronomers probe layer-cake structure of brown dwarf’s atmosphere

Researchers use Keck Observatory's MOSFIRE instrument to analyze the layer-cake structure of a nearby free-floating brown dwarf's atmosphere. The study reveals complex cloud formations, including hot sand grains and exotic elements, with depths reaching up to 446 miles.

SourceW. M. Keck Observatory·JournalThe Astronomical Journal·DateJul 30, 2021

Trump’s ‘Muslim ban’ harmed health of Muslim Americans, study finds

A new study by Yale researchers found that the 'Muslim ban' led to a significant increase in missed primary care appointments and emergency department visits among Muslim-Americans. The study suggests that immigration policies can have indirect and unexpected consequences on the health of targeted communities.

SourceYale University·JournalJAMA Network Open·TypeData/statistical analysis·DateJul 30, 2021

What’s behind people’s hesitancy towards vaccination?

A new Polish study examines why people refuse vaccination, finding that generalized negative attitudes towards vaccines and confirmation bias play a significant role. Vaccine deniers often attribute negative symptoms to vaccines despite missing evidence of correlation.

SourceThe Polish Association of Social Psychology·JournalSocial Psychological Bulletin·TypeExperimental study·DateJul 30, 2021

Enabling safe delivery of RNA drugs to the lungs

Researchers at Hokkaido University created a lipid polymer that can carry genetic code into lung cells, potentially treating diseases such as acute respiratory distress syndrome and lung cancers. The delivery method bypasses the liver and targets specific lung cells without targeting ligands.

SourceHokkaido University·JournalMaterials Horizons·TypeExperimental study·DateJul 30, 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.

New report assesses effects of time sat down on mental health in pandemic

A new report by the University of Huddersfield found that spending more than eight hours a day sitting had detrimental effects on mental health, even among those with regular exercise. The study recommends reducing sitting time and increasing physical activity to improve mental well-being.

SourceUniversity of Huddersfield·JournalSport Sciences for Health·DateJul 30, 2021

Scientists synthesize a material which can completely replace natural gypsum in the construction industry

Researchers develop method to produce high-quality gypsum binders from synthetic calcium sulfate dihydrate, surpassing natural gypsum in several parameters. The new material can replace natural gypsum in countries without gypsum stone deposits, reducing production costs and simplifying technology.

SourceNational University of Science and Technology MISIS·JournalJournal of Industrial and Engineering Chemistry·DateJul 30, 2021

"Greening” biomaterials and scaffolds used in regenerative medicine

Researchers create sustainable biofabrication method using acetic acid as a biologically benign solvent, reducing environmental risks and improving mechanical properties of biomaterials. The new 'green' fibers exhibit exceptional mechanical properties and preserved growth factor bioactivity.

SourceColumbia University School of Engineering and Applied Science·JournalBiofabrication·DateJul 30, 2021

Bird brains left other dinosaurs behind

Researchers discovered a rare bird fossil with nearly complete skull, allowing them to compare ancient bird brains to living birds. The study suggests that complex brain structure may have played a key role in the survival of bird ancestors during the mass extinction event.

SourceUniversity of Texas at Austin·JournalScience Advances·TypeImaging analysis·DateJul 30, 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.

Bugs find bats to bite thanks to bacteria

A new study in Molecular Ecology found that blood-sucking flies specialize on bats by following chemical cues from skin bacteria. Researchers analyzed dozens of bat species and identified unique bacterial profiles associated with each group.

SourceField Museum·JournalMolecular Ecology·TypeObservational study·DateJul 30, 2021

Researchers find molecular switch that regulates fat burning in mice

A multi-disciplinary team of researchers has identified a molecular switch called Them1 that prevents fat burning in cells by blocking access to fuel sources. This discovery may contribute to the development of a new type of obesity treatment.

SourceBeth Israel Deaconess Medical Center·JournalNature Communications·TypeExperimental study·DateJul 30, 2021

Cracking the code of crack propagation in rubberlike materials

Researchers from The University of Tokyo Institute of Industrial Science have identified the origin of a phenomenon that occurs when rubber materials under stress rapidly break. Their simplified step-loading model replicates the non-monotonic mechanical behavior observed in these materials, shedding light on the velocity jump phenomenon.

SourceInstitute of Industrial Science, The University of Tokyo·JournalPhysical Review Materials·DateJul 30, 2021

Beware using telemedicine for voice and speech therapy

A study by Boston University researchers found that popular teleconferencing platforms like Zoom and Microsoft Teams struggle to capture accurate acoustic measures of voice, leading to clinically significant differences in voice evaluations. The team tested five platforms and discovered that only Microsoft Teams performed relatively well.

SourceBoston University·JournalJournal of Speech Language and Hearing Research·DateJul 30, 2021

Early COVID-19 symptoms differ among age groups, research finds

Researchers found COVID-19 early symptoms vary by age group and sex. Younger adults (16-59) have different symptoms compared to older adults (60+), while men report shortness of breath, fatigue, and chills more frequently than women.

SourceKing's College London·JournalThe Lancet Digital Health·TypeObservational study·DateJul 30, 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.

Study reveals source of DNA mutations in melanoma

Researchers found that UVB radiation from the sun causes chemical changes to DNA, leading to disease-causing mutations. This discovery sheds light on the origins of melanoma and highlights the importance of prevention efforts.

SourceVan Andel Research Institute·JournalScience Advances·TypeExperimental study·DateJul 30, 2021

Scientists explore Bacillus strains to control fungus spread in bananas

Researchers have identified five Bacillus strains with antibiotic ability against the deadly Fusiarium wilt TR4 fungus, which is threatening global banana production. The study found that these strains can trigger direct or indirect antagonism on the fungus, providing a new biocontrol method to combat TR4.

SourceThe Alliance of Bioversity International and the International Center for Tropical Agriculture·JournalJournal of Fungus·DateJul 30, 2021

Dual-drug therapy shows promise for treating alcohol use disorder

Researchers have developed a dual-drug therapy for alcohol use disorder by targeting the mTORC1 enzyme. Blocking this enzyme can halt cravings in mice engineered to have AUD, offering a promising alternative to current treatment options.

SourceUniversity of California - San Francisco·JournalNature Communications·DateJul 30, 2021

New research on the brain’s relay processes could guide treatment for certain brain disorders

Researchers discovered a convergence of sensory and motor information in the thalamus that may lead to new treatments for schizophrenia, epilepsy, and other brain disorders. The team used various tools, including electron microscopy and visualization computer, Cooley, to reconstruct images from mouse brains.

SourceDOE/Argonne National Laboratory·JournalProceedings of the National Academy of Sciences·DateJul 30, 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.

Nanoparticles to help evaluate the effectiveness of radiation therapy for cervical cancer

Researchers found changes in erythrocyte morphology and nanoparticles on cell surfaces during radiation therapy, which may indicate treatment effectiveness or prognosis. The study suggests that analyzing these changes could lead to the development of a diagnostic method for assessing RT efficacy.

SourceNational University of Science and Technology MISIS·JournalInternational Journal of Biomedicine·DateJul 30, 2021

In the absence of genetic variation, asexual invasive species find new methods of adapting to their environment

Research from Wellesley College shows that asexual invasive weevils adapt to new food sources by passing down gene regulation changes to future generations. The findings reveal that these creatures can respond to different toxins in plants using shared genes, allowing them to thrive in various environments.

SourceWellesley College·JournalPLOS ONE·TypeExperimental study·DateJul 30, 2021

Study shows how US immigration policy can have domestic health effects

A new study by Brown University found that the Trump administration's 'Muslim ban' led to an increase in emergency department visits and missed primary care appointments among residents from targeted nations. The study suggests that elevated cumulative stress due to a hostile climate toward Muslims may have contributed to these changes.

SourceBrown University·JournalJAMA Network Open·TypeObservational study·DateJul 30, 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.

UCLA engineers bend light to enhance wavelength conversion

The UCLA-led team has devised a solution to enhance wavelength-conversion efficiency by exploring semiconductor surface states. Incoming light is bent using a nanoantenna array, allowing for easy and efficient conversion of wavelengths.

SourceUniversity of California - Los Angeles·JournalNature Communications·TypeExperimental study·DateJul 30, 2021

Health care utilization before, after US 'Muslim Ban' executive order

A study by Brown University researchers found that the US 'Muslim ban' executive order led to a significant decrease in healthcare utilization among individuals born in targeted nations living in the US. The analysis suggests that the ban had a substantial impact on the health and well-being of these individuals.

SourceJAMA Network·JournalJAMA Network Open·DateJul 30, 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.