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Science News Archive February 2024 - Page 5


Page 5 of 38

Counting rays: Aerial surveys reveal ample populations in Southeast Florida

Researchers from Florida Atlantic University conducted a multi-year study to quantify the spatial and temporal abundance of these endangered species. The results showed that both species were abundant along the coast, with no clear seasonal differences or correlations with environmental factors.

SourceFlorida Atlantic University·JournalEnvironmental Biology of Fishes·TypeObservational study·DateFeb 28, 2024

Promising pathways to simplified Alzheimer's diagnosis unveiled in groundbreaking study

A groundbreaking study has unveiled promising pathways to simplified Alzheimer's diagnosis using blood tests, demonstrating strong correlations with brain amyloid plaques across diverse populations. The Bio-Hermes study shows that blood tests can be used to identify persons with amyloid plaques in the brain, regardless of symptoms or r...

SourceGlobal Alzheimer's Platform Foundation·JournalAlzheimer s & Dementia·DateFeb 28, 2024
Apple iPhone 17 Pro

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

In fight against brain pathogens, the eyes have it

Researchers found that vaccines injected into mouse eyes can disable the herpes virus and activate an immune response through lymphatic vessels along the optic nerve. This discovery highlights a shared immune response between the brain and eyes, providing a potential new approach to combating ocular and central nervous system diseases.

SourceYale University·JournalNature·DateFeb 28, 2024

Who owns prehistory? How an early 20th century debate over fossils in China shaped the relationship between science and sovereignty

A controversy in the 1920s pitted American paleontologists against emerging Chinese scientific nationalists over the ownership of fossils. The Americans claimed that fossils were universal and could be exported, while the Chinese argued that they should be viewed as local, contingent property.

SourceUniversity of Chicago Press Journals·JournalIsis·DateFeb 28, 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.

Phase transition analysis of two classes of regular exact (k,d)-SAT problems

Researchers analyze complexity of two classes of regular exact (k,d)-SAT problems, finding phase transition points and bounds through experimental simulation. The study reveals theoretical results consistent with experimental findings, providing clearer upper and lower bounds for instances that are satisfied and unsatisfied.

SourceHigher Education Press·JournalFrontiers of Computer Science·TypeExperimental study·DateFeb 28, 2024

Detroit scientists develop a simple blood test to quickly diagnose sarcoidosis

A research project led by Lobelia Samavati has developed a tool to rapidly and inexpensively diagnose sarcoidosis using a simple blood test. The tool can accurately identify the disease in patients and may reduce the need for invasive diagnostic tests.

SourceWayne State University - Office of the Vice President for Research·JournalAmerican Journal of Respiratory and Critical Care Medicine·TypeExperimental study·DateFeb 28, 2024

Experiment captures why pottery forms are culturally distinct

Researchers capture cultural differences in pottery forms without selective transmission, attributing them to cognitive biases and community-specific techniques. This finding has implications for interpreting archaeological artifacts, potentially leading to new insights into the dynamics of cultural assimilation and artistic innovation.

SourceKobe University·JournalPNAS Nexus·TypeObservational study·DateFeb 28, 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.

Rapidly-intensifying tropical cyclones likely to increase flood hazard in the North Atlantic as climate warms

A recent study found that rapidly intensifying tropical cyclones (RI) are already more hazardous than normal TCs and will worsen coastal flooding under future climate warming. RI events may increase by 10-30% for each degree of global mean temperature increase, posing a significant threat to coastal communities.

SourcePrinceton School of Public and International Affairs·JournalGeophysical Research Letters·TypeComputational simulation/modeling·DateFeb 28, 2024

Hourly heat exposure and acute ischemic stroke

A study of 82,000 patients found a strong association between hourly heat exposure and the onset of acute ischemic stroke. The findings suggest that high ambient temperatures may contribute to an increased risk of cerebrovascular events under global warming.

SourceJAMA Network·JournalJAMA Network Open·DateFeb 28, 2024

Unlocking the ocean's secrets: Next-gen tech for precision seafloor mapping

Researchers developed a real-time acoustic positioning method to improve ocean bottom seismic exploration accuracy. The approach groups observations to construct precise models, achieving decimeter-level accuracy and potentially centimeter-level precision.

SourceAerospace Information Research Institute, Chinese Academy of Sciences·JournalSatellite Navigation·DateFeb 28, 2024
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.

Uncovering the connections between autism, sensory hypersensitivity

The study investigates how different genes related to autism spectrum disorders affect the brain's neural circuits, resulting in heightened sensitivity to sounds. The researchers aim to identify a potential biomarker for sensory hypersensitivity and develop treatments using optogenetics and minocycline.

SourceBeckman Institute for Advanced Science and Technology·DateFeb 28, 2024

For Type II diabetes prevention, tap into AI

A novel AI-driven model developed by Maytal Saar-Tsechansky predicts which patients are most likely to benefit from preventive treatment for Type II diabetes. The model, trained on electronic health records of 89,191 prediabetic patients, improved both health and economic efficiency, enabling data-driven allocation of resources.

SourceUniversity of Texas at Austin·JournalManufacturing and Service Operations Management·TypeComputational simulation/modeling·DateFeb 28, 2024

Neurons help flush waste out of brain during sleep

Scientists at Washington University School of Medicine discovered that neurons coordinate to produce rhythmic waves that propel fluid through dense brain tissue, washing the tissue in the process. This finding has implications for delaying or preventing neurodegenerative diseases by enhancing the brain's cleaning abilities.

SourceWashU Medicine·JournalNature·TypeExperimental study·DateFeb 28, 2024

Factors that increase risk of frailty in old age are different in men and women

A study analyzing ELSA data found that osteoporosis, heart disease, and poor hearing increased frailty risk in men, while high fibrinogen levels, diabetes, and stroke were linked to higher risks in women. This highlights the importance of gender-specific action plans and intervention for older people.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalArchives of Gerontology and Geriatrics·DateFeb 28, 2024
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Do we have cosmic dust to thank for life on Earth?

Researchers propose that cosmic dust, rich in essential elements, accumulated on early Earth's surface near melting glaciers, sparking prebiotic chemistry. Simulations suggest these environments could have produced the organic molecules necessary for life.

SourceETH Zurich·JournalNature Astronomy·DateFeb 28, 2024
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.

Sedentary behavior increases mortality risk

A new study published in the Journal of the American Heart Association found that older women who sat for 11.7 hours or more per day increased their risk of death by 30 percent. The study used machine-learned algorithm CHAP to examine total sitting time and length of sitting bouts.

SourceUniversity of California - San Diego·JournalJournal of the American Heart Association·DateFeb 28, 2024

Researchers model blood-brain barrier using “Tissue-in-a-CUBE" system

A research team developed a model of the blood-brain barrier using modularized tissue derived from human cells. The 'Tissue-in-a-CUBE' system accurately mimics the real blood-brain barrier in terms of structure and function, allowing for the testing of drugs without animal testing.

SourceRIKEN·JournalCommunications Biology·TypeExperimental study·DateFeb 28, 2024

Double trouble at chromosome ends

Scientists have discovered two new end-replication problems in DNA replication, affecting both the leading and lagging strands. This revelation changes our understanding of telomere biology and may hold clinical implications for individuals with telomere disorders, such as Coats plus syndrome.

SourceRockefeller University·JournalNature·DateFeb 28, 2024
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.

More than just neurons: A new model for studying human brain inflammation

Researchers at Salk Institute have created a novel organoid model of the human brain that includes mature, functional astrocytes. This allows for the study of inflammation and stress in aging and diseases like Alzheimer's with greater clarity, revealing a relationship between astrocyte dysfunction and inflammation.

SourceSalk Institute·JournalNature Biotechnology·DateFeb 28, 2024

How air pollution can harm team performance

High levels of air pollution have a significant negative impact on teams' ability to solve complex problems, such as developing clean energy technologies and vaccines. The study used escape-room games data to estimate that high-pollution days can lead to up to 5% longer completion times for teams.

SourceUniversity of Cambridge·JournalJournal of Economic Psychology·DateFeb 28, 2024

Press program now available for the world's largest physics conference

The American Physical Society has launched a new press program for its March Meeting conference, featuring over 900 sessions and 11,000 individual presentations across various areas of the physical sciences. The program includes special events such as Lunch With a Scientist, Press Happy Hour, and Squishy Science Sunday.

SourceAmerican Physical Society·DateFeb 27, 2024
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.

Customizable carbon and its potential impact on green energy

Researchers developed customizable carbon materials (SCCs) to improve energy storage and conversion device performance. SCCs offer precisely customized pores, freely adjusted frameworks, and highly coupled interfaces for enhanced electron transfer.

SourceTsinghua University Press·JournalEnergy Materials and Devices·DateFeb 27, 2024

Research adds to knowledge about heart disease and stroke in women of all ages

New research reveals women's cardiovascular disease risks differ by age, lifestyle factors, and mental health conditions. Studies show sedentary behavior increases risk of death from all causes, while preeclampsia is linked to diet, highlighting need for targeted prevention strategies.

SourceAmerican Heart Association·JournalJournal of the American Heart Association·DateFeb 27, 2024

Nano-sized particles emitted from gas stoves

A study measures indoor nanoparticles emitted by gas stoves and finds they can be more toxic than vehicle emissions. These tiny particles are inhaled and delivered to the head airways, posing a risk to human health.

SourcePNAS Nexus·JournalPNAS Nexus·DateFeb 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.

Study shows daylight saving time has minimal effect on heart health

A recent Mayo Clinic study found that daylight saving time has a minimal impact on heart health. Researchers analyzed data from 36 million adults and found a slight increase in cardiovascular events during the spring and fall transitions, but this was deemed clinically insignificant.

SourceMayo Clinic·JournalMayo Clinic Proceedings Innovations Quality & Outcomes·DateFeb 27, 2024

Gardeners can help identify potentially invasive plants

Researchers have created an online survey to gather information from gardeners about ornamental plants showing 'invasive behaviour'. The results identified 251 potential invaders, including Mexican fleabane and Himalayan honeysuckle, highlighting the critical role of gardeners in early detection and prevention strategies.

SourcePensoft Publishers·JournalNeoBiota·DateFeb 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.

Reaching federal youth sport participation goal could save US billions of dollars

Achieving the Healthy People 2030 youth sports participation goal could save $80 billion by improving children's physical and mental health. The study found that increasing youth sports participation by 12.6% could decrease overweight and obesity prevalence by 3.37%, resulting in 1.71 million fewer cases of overweight/obesity.

SourceCUNY Graduate School of Public Health and Health Policy·JournalAmerican Journal of Preventive Medicine·TypeComputational simulation/modeling·DateFeb 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.

Female psychopaths ‘more common than we think’

Dr Boddy argues that female psychopaths differ from males and use manipulative techniques to gain social and financial advantage. The real ratio of male to female psychopathy may be about 1.2:1, up to five times higher than previously suggested.

SourceAnglia Ruskin University·DateFeb 27, 2024

UMass Amherst researchers identify enzyme key to training cells to fight autoimmune disorders

Researchers at UMass Amherst have identified PRMT5 as a key regulator of suppressive activity in immune cells, which can be trained to correct overzealous immune responses. This discovery may lay the foundation for drug-free, side-effect-free treatments for patients with autoimmune disorders such as aplastic anemia.

SourceUniversity of Massachusetts Amherst·JournalFrontiers in Immunology·DateFeb 27, 2024

Long-term survivors of childhood cancer at higher risk of death following heart issues; threshold for treating risk factors should be lower

Long-term childhood cancer survivors face a significantly higher risk of death from heart-related events compared to the general public. Dyslipidemia and hypertension are key risk factors that should be treated earlier, with statins potentially providing increased protection.

SourceVirginia Commonwealth University·JournalJournal of the American College of Cardiology·DateFeb 27, 2024

Many reported gender differences may actually be power differences

Research suggests that power differences between men and women may be driving many observed sex/gender differences. Studies have found that individuals with more power tend to exhibit higher agency, better performance on spatial tasks, and lower empathy compared to those with less power.

SourcePNAS Nexus·JournalPNAS Nexus·DateFeb 27, 2024
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Study details five cutting-edge advances in biomedical engineering and their applications in medicine

A study by 50 experts reveals five cutting-edge biomedical engineering advances with significant applications in medicine, including precision engineering, on-demand tissue engineering, and advanced brain interface systems. These advances aim to transform the practice of medicine, impacting various conditions and diseases.

SourceUniversity of California - San Diego·JournalIEEE Open Journal of Engineering in Medicine and Biology·TypeMeta-analysis·DateFeb 27, 2024

Lightweight yet strong: Pioneering aluminum-magnesium laminates set to transform aerospace and automotive industries

The study introduces Al/Mg/Al laminates with large thickness ratios, showcasing enhanced mechanical properties and interfacial bonding strength. The optimal ITR of 20 yields the best comprehensive mechanical properties, maximizing ultimate tensile strength and yield strength while achieving high interfacial bonding strength.

SourceCentral South University·JournalTransactions of Nonferrous Metals Society of China·DateFeb 27, 2024

Living near pubs, bars and fast-food restaurants could be bad for heart health

A new study found that living close to pubs, bars, and fast-food restaurants is associated with a higher risk of heart failure. The study, which analyzed data from over 500,000 adults in the UK, also found that proximity and density of ready-to-eat food outlets were linked to an elevated risk of heart failure.

SourceAmerican Heart Association·JournalCirculation Heart Failure·DateFeb 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.

Traditional regression approach outperformed machine learning algorithms in predicting optimal surgical method in patients with submucosal tumors.

A study compared traditional logistic regression models and machine learning algorithms to predict the best surgical technique for patients with submucosal tumors. The traditional regression approach was found to outperform ML algorithms, with morphology ranking as the highest contributor to prediction accuracy.

SourceKeAi Communications Co., Ltd.·JournalGastroenterology & Endoscopy·TypeData/statistical analysis·DateFeb 27, 2024

Sinusitis linked to 40% heightened risk of rheumatic disease

Research published in RMD Open journal found a strong association between sinusitis and rheumatic disease, with the highest risks for blood clotting disorder and Sjögren’s syndrome. The study used data from Rochester Epidemiology Project and included 1729 adults diagnosed with various rheumatic diseases.

SourceBMJ Group·JournalRMD Open·TypeObservational study·DateFeb 27, 2024