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Science News Archive March 2024 - Page 5


Page 5 of 42

Filters, coupled with Digital Health Program, reduced arsenic levels by nearly half in study participants in households relying on well water in American Indian Communities

A randomized controlled trial found that filters, coupled with a digital health program, reduced urinary arsenic levels by 47% in households relying on well water. The study, conducted in American Indian communities, also showed significant increases in household use of filtered water for drinking and cooking.

SourceJohns Hopkins Bloomberg School of Public Health·JournalEnvironmental Health Perspectives·DateMar 27, 2024

New enzymatic cocktail can kill tuberculosis-causing mycobacteria

A new study published in Microbiology Spectrum shows that an enzymatic cocktail can effectively kill a variety of mycobacterial species, including those causing tuberculosis. The research delivers the enzymes inside host macrophages where mycobacteria grow, increasing efficacy and reducing toxicities associated with current treatments.

SourceAmerican Society for Microbiology·JournalMicrobiology Spectrum·DateMar 27, 2024
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.

Scientists propose a new way to search for dark matter

Researchers at SLAC National Accelerator Laboratory propose detecting thermalized dark matter, which builds up on Earth's surface, using quantum sensors. The study suggests that superconducting quantum devices could be redesigned to detect low-energy galactic dark matter particles.

SourceDOE/SLAC National Accelerator Laboratory·JournalPhysical Review Letters·DateMar 27, 2024

A combination of approved drugs enhances the delivery of anti-bacterial medications to treat tuberculosis

Researchers at Massachusetts General Hospital successfully repurposed approved drugs to improve drug delivery to tuberculosis bacteria, promoting anti-bacterial host responses and improving health outcomes. The study found that combining bevacizumab and losartan enhanced TB drug delivery and reduced bacterial burden in rabbits with TB.

SourceMassachusetts General Hospital·JournalProceedings of the National Academy of Sciences·DateMar 27, 2024

Delirium a ‘strong risk factor’ for dementia among older people

A large retrospective cohort study found that delirium in hospital patients aged 65+ is associated with a threefold increased risk of dementia. Delirium was linked to a higher risk of death and a tripled risk of dementia diagnosis compared to patients without delirium.

SourceBMJ Group·JournalThe BMJ·TypeObservational study·DateMar 27, 2024
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.

What Bronze Age teeth say about the evolution of the human diet

Researchers analyzed well-preserved microbiomes from 4,000-year-old teeth in Ireland, providing a snapshot of oral health in the past. The study found evidence of dysbiosis and an unusual abundance of S. mutans bacteria, suggesting that our ancestors' mouths differed significantly from ours.

SourceOxford University Press USA·JournalMolecular Biology and Evolution·TypeContent analysis·DateMar 27, 2024

Open waste burning linked to air pollution in Northwestern Greenland

A study found open waste burning increases health risks to a remote Arctic community due to high levels of particulate matter (PM2.5) pollution. Continuous air quality monitoring is crucial for protecting public health, particularly in the Arctic region.

SourceHokkaido University·JournalAtmospheric Science Letters·TypeObservational study·DateMar 27, 2024
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.

Making long-term memories requires nerve-cell damage

Scientists at Albert Einstein College of Medicine discovered that inflammation in certain neurons is necessary for forming long-lasting memories. The researchers found that DNA damage and repair within these neurons leads to stable memory assemblies, which are clusters of brain cells representing past experiences.

SourceAlbert Einstein College of Medicine·JournalNature·TypeExperimental study·DateMar 27, 2024

Oregon State dog-training program helps increase physical activity among kids with disabilities

Children with developmental disabilities increased their moderate to vigorous physical activity by 17 minutes per day, while reducing sedentary time by nearly an hour per day through the 'Do As I Do' training intervention. The program also helped build responsibility, independence, and awareness of nonverbal cues.

SourceOregon State University·JournalHuman-Animal Interactions·TypeExperimental study·DateMar 27, 2024

Scientists discover how caterpillars can stop their bleeding in seconds

Caterpillars of the Carolina sphinx moth have an extraordinary ability to instantly change their hemolymph's material properties, turning it into a viscoelastic fluid that helps stop bleeding. This discovery has potential applications for developing new drugs for humans to create fast-working thickeners of human blood.

SourceFrontiers·JournalFrontiers in Soft Matter·TypeExperimental study·DateMar 27, 2024

Undocumented immigrants faced unique mental health challenges during COVID-19 pandemic

A recent study by Rice University researchers found that undocumented immigrants and their families experienced significant mental health challenges during the COVID-19 pandemic. The four main stressors identified were anti-immigrant rhetoric, family stressors, economic changes, and limited access to healthcare, which had major negativ...

SourceRice University·JournalJournal of Clinical Child & Adolescent Psychology·TypeSurvey·DateMar 27, 2024

Looking after the NHS workforce must be a top priority, say experts

The report highlights key challenges and priorities in ensuring the NHS vision is realized, including improving workplace conditions, effective people management, and workforce planning. The authors emphasize the importance of operational management and new technologies to support the effective running of the NHS.

SourceBMJ Group·JournalThe BMJ·DateMar 27, 2024
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.

Milk on ice: Antarctic time capsule of whole milk powder sheds light on the enduring qualities—and evolution—of dairy products past and present

A new study compares ancient and modern whole milk powders, revealing surprisingly similar compositions despite advancements in dairy production. The analysis of a 100-year-old Antarctic sample shows that key nutrients and protein structures remain largely unchanged.

SourceElsevier·JournalJournal of Dairy Science·TypeExperimental study·DateMar 27, 2024

Europe’s forgotten forests could be 21st century ‘biodiversity hot spots’

A new study finds that Europe's forgotten forests have the potential to support high species diversity and resilience to climate change. The Eurasian aspen, a keystone species, is well-suited to thrive in these environments due to its ability to regenerate quickly and colonize new areas.

SourceS.J. & Jessie E. Quinney College of Natural Resources, Utah State University·JournalPLOS ONE·TypeData/statistical analysis·DateMar 27, 2024
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.

Reevaluating an approach to functional brain imaging

A team of scientists from MIT's McGovern Institute found that a new brain imaging method, DIANA, generates misleading signals instead of detecting neurons' rapid impulses. The study reveals that the trigger for the stimulator is causing artificial signals, which can disappear with slight variations in the imaging process.

SourceMcGovern Institute for Brain Research·JournalScience Advances·TypeExperimental study·DateMar 27, 2024

Connecting the dots to shape growth forces

Researchers at Kyoto University have discovered a signal protein called ERK that plays an active role in causing growing lung tissue to curve. This finding reveals a previously unknown regulatory system governing the development of intricate branching patterns in mouse lungs.

SourceKyoto University·JournalCurrent Biology·TypeExperimental study·DateMar 27, 2024

The hidden geometry of learning: neural networks think alike

Researchers found that neural networks use a similar path to chart their way from ignorance to truth when presented with images, despite varying network designs and training recipes. This commonality holds the potential for developing more efficient image classification algorithms, reducing the computational power required by AI systems.

SourceUniversity of Pennsylvania School of Engineering and Applied Science·JournalProceedings of the National Academy of Sciences·TypeData/statistical analysis·DateMar 27, 2024
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.

Avoiding the gifts-in-kind trap – new research shows how influencers can make their work pay

A new study from the University of Bath reveals that social media influencers can move away from producing free content by focusing on authenticity, relationality, and quantification. The research found that building meaningful connections with followers and using data to assess impact are crucial for commercial success.

SourceUniversity of Bath·JournalHuman Relations·TypeCase study·DateMar 27, 2024

Popular obesity drugs may lead to medical procedure complications

New research from Cedars-Sinai found that glucagon-like peptide-1 receptor agonists (GLP-1RAs) used to treat diabetes and obesity increase the risk of aspiration pneumonia following endoscopy. The study recommends patients taking these medications stop their medication in advance of procedures to avoid complications.

SourceCedars-Sinai Medical Center·JournalGastroenterology·DateMar 27, 2024

Understanding cattle grazing personalities may foster sustainable rangelands

Researchers tracked 50 pregnant Angus and Hereford beef cows fitted with GPS collars to understand individual grazing patterns. They found consistent and distinct patterns across the two years, even when water sources changed, suggesting that recognizing personality types can benefit both animal health and environmental conditions.

SourceUniversity of California - Davis·JournalApplied Animal Behaviour Science·TypeObservational study·DateMar 27, 2024
Apple iPhone 17 Pro

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

Complete sugarcane genome sequence opens up new era in breeding

The completed sugarcane genome sequence offers new opportunities for breeding programs worldwide, addressing stagnant sugar yields. The high-quality genome data will improve understanding of complex traits like yield and disease resistance.

SourceCSIRO Australia·JournalNature·TypeComputational simulation/modeling·DateMar 27, 2024

Safer, more efficient drug discovery

Researchers at McGill University have discovered a faster and safer method to test the movement of new drugs within the body. This approach accelerates the drug development process while reducing its risks.

SourceMcGill University·JournalNature Chemistry·DateMar 27, 2024

Parental avoidance of toxic exposures could help prevent autism, ADHD in children, new study shows

Researchers found that parents with high chemical intolerance scores were 5.7 times more likely to report a child with autism, highlighting the potential preventive role of avoiding toxic exposures. The study also suggests that reducing exposure prior to and during pregnancy could help prevention.

SourceUniversity of Texas Health Science Center at San Antonio·JournalJournal of Xenobiotics·TypeObservational study·DateMar 27, 2024
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.

Beating by overheating: new strategy to combat cancer

Researchers have developed a new strategy to combat cancer by activating oncogenic signaling in cancer cells, leading to their exhaustion. The approach has shown promising results in animal studies, with minimal side effects.

SourceNetherlands Cancer Institute·JournalCancer Discovery·TypeExperimental study·DateMar 27, 2024

Twist of groundwater contaminants

Researchers from KIST have found that nitrate enhances the natural purification of groundwater through the formation of new iron oxides, increasing removal efficiency and duration. This breakthrough is expected to revolutionize water quality management strategies for ASR systems.

SourceNational Research Council of Science & Technology·JournalWater Research·DateMar 27, 2024

Australian researchers help spearhead changes to global anemia guidelines

Australian researchers have helped develop new global anaemia guidelines that could change the diagnosis and treatment of the condition for millions of people. The revised guidelines provide a clear set of haemoglobin thresholds that can be uniformly used to diagnose and treat anaemia, reducing unnecessary costs and pain.

SourceWalter and Eliza Hall Institute·JournalThe Lancet Haematology·TypeObservational study·DateMar 27, 2024
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.

People experiencing homelessness more likely to develop dementia at younger ages, study finds

A new study found that people experiencing homelessness have a higher prevalence of dementia, especially in younger age groups. The researchers suggest that unhoused individuals should be screened for dementia at younger ages due to the complexity of diagnosing the condition in this population.

SourceInstitute for Clinical Evaluative Sciences·JournalThe Lancet Public Health·TypeObservational study·DateMar 27, 2024

Newly uncovered history of a key ocean current carries a warning on climate

A new study reveals the Antarctic Circumpolar Current's speedup is linked to Earth's temperature, slowing down during cold times and speeding up in warm ones. This suggests that today's speedup will continue as human-induced warming proceeds, potentially leading to ice loss and sea-level rise.

SourceColumbia Climate School·JournalNature·TypeImaging analysis·DateMar 27, 2024

Decline in the stability of water yield in the watersheds

Research finds that watersheds in arid zones are more sensitive to underlying characteristics and less sensitive to climate variation, leading to a decline in water yield stability. This study provides insights for sustainable water resources development under climate change.

SourceScience China Press·JournalScience China Earth Sciences·DateMar 27, 2024

Evolution of the most powerful ocean current on Earth

The Antarctic Circumpolar Current's flow speed has fluctuated significantly over the past 5.3 million years, with slower speeds during glacial periods and faster speeds during interglacials. This study provides valuable insights into the current's response to climate fluctuations and its impact on Antarctica's ice sheets.

SourceAlfred Wegener Institute, Helmholtz Centre for Polar and Marine Research·JournalNature·TypeObservational study·DateMar 27, 2024
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.

Scientists warn: The grey seal hunt is too large

The grey seal population is facing new challenges due to climate change and a shortage of prey fish. Hunting quotas of up to 3,000 animals per year may threaten the species' survival if not reduced.

SourceUniversity of Gothenburg·JournalJournal of Animal Ecology·TypeData/statistical analysis·DateMar 27, 2024

The serious side of kid and canine play

A new study aims to understand how family dogs influence children's physical activity levels, with researchers exploring ways to promote healthy habits in young people. The study found that about 20% of daily physical activity comes from time spent with the dog.

SourceUniversity of Massachusetts Amherst·JournalJournal for the Measurement of Physical Behaviour·TypeObservational study·DateMar 27, 2024

Prolonged use of certain hormone drugs linked to increased brain tumor risk

A French study found prolonged use of certain progestogen hormone drugs is associated with an increased risk of developing intracranial meningioma. Medrogestone and medroxyprogesterone acetate were linked to a significant increase in risk, particularly among women using these medications for extended periods.

SourceBMJ Group·JournalThe BMJ·TypeObservational study·DateMar 27, 2024

Accelerating CAR T cell therapy: Lipid nanoparticles speed up manufacturing

Researchers developed a method using lipid nanoparticles to activate T cells and deliver genetic instructions in one step, simplifying the CAR T cell manufacturing process. This new approach reduces production time from 48 hours to 24 hours and increases accessibility to patients worldwide.

SourceUniversity of Pennsylvania School of Engineering and Applied Science·JournalAdvanced Materials·TypeExperimental study·DateMar 27, 2024
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.

Long-period oscillations control the Sun’s differential rotation

Researchers have discovered that high-latitude long-period oscillations play a crucial role in limiting the Sun's pole-to-equator differential rotation. The temperature difference between the poles and equator is found to be less than seven degrees, controlling the angular momentum balance in the Sun.

SourceMax Planck Institute for Solar System Research·JournalScience Advances·TypeComputational simulation/modeling·DateMar 27, 2024
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.

Scientists extract genetic secrets from 4,000-year-old teeth to illuminate the impact of changing human diets over the centuries

Researchers have recovered ancient microbiomes from 4,000-year-old teeth in Ireland, revealing major changes in oral microenvironments. The study identified bacteria linked to gum disease and provided the first high-quality ancient genome of Streptococcus mutans, a major culprit behind tooth decay.

SourceTrinity College Dublin·JournalMolecular Biology and Evolution·DateMar 27, 2024

Want to feel young? Protect your sleep

Researchers at Stockholm University discovered that sleep affects how old one feels, with insufficient sleep adding 0.23 years to age perception. A study found that restricting sleep for two nights increased participants' perceived age by an average of 4.4 years, highlighting the importance of safeguarding sleep for a youthful feeling.

SourceStockholm University·JournalProceedings of the Royal Society B Biological Sciences·TypeExperimental study·DateMar 27, 2024

Looking to the past to prevent future extinction

Researchers created a model to predict extinction likelihood based on human hunting and environmental pressures. The model accounted for interactions between humans, animals, and their environment, considering factors like climate change and life history traits.

SourceSan Diego State University·JournalQuaternary Research·TypeComputational simulation/modeling·DateMar 27, 2024

New image of the center of our Milky Way: Spiral magnetic fields surround black hole Sagittarius A*

Researchers analyze data from another series of observations to study Sgr A*, finding that strong and ordered magnetic fields are critical to how black holes interact with gas and matter around them. The discovery enhances theoretical models and simulations, refining our understanding of black hole dynamics near the event horizon.

SourceGoethe University Frankfurt·JournalThe Astrophysical Journal Letters·TypeComputational simulation/modeling·DateMar 27, 2024
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.

Can metalens be commercialized at a fraction of the cost?

Researchers have developed two innovative methods for mass-producing metalenses, reducing production costs by up to 1,000 times. The team achieved successful creation of large-scale infrared metalenses with high resolution and exceptional light-collecting capabilities.

SourcePohang University of Science & Technology (POSTECH)·JournalLaser & Photonics Review·DateMar 27, 2024