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Science News for February 21, 2024


Increasingly similar or different? Centuries-long analysis suggests biodiversity is differentiating and homogenizing to a comparable extent

A new study finds that biodiversity is becoming more similar through time, but an almost equal number of communities are becoming more distinct. The analysis of 527 datasets shows a balanced trend between homogenisation and differentiation across landscapes.

SourceGerman Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig·JournalScience Advances·TypeData/statistical analysis·DateFeb 21, 2024

Can’t stand gossip? New research suggests that gabbing about others is ‘not always a bad thing’

Gossiping provides a social benefit by disseminating information about people's reputations, helping recipients connect with cooperative individuals while avoiding selfish ones. This allows gossipers to gain an evolutionary advantage as their actions influence others' behavior and encourage cooperation.

SourceUniversity of Maryland·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateFeb 21, 2024

More than 40% of Americans know someone who died of drug overdose

According to a RAND Corporation study, over 125 million American adults have experienced the loss of a loved one to a drug overdose. The impact of this loss is significant, with 42.4% of respondents reporting they personally know someone who died by overdose.

SourceRAND Corporation·JournalAmerican Journal of Public Health·TypeSurvey·DateFeb 21, 2024

An environmentally friendly way to turn seafood waste into value-added products

UConn researchers have developed a method to sustainably recover chitin, the second most abundant biological polymer on Earth, from seafood waste using natural chemicals. The process creates a viscous solution called ternary deep eutectic solvents (TDESs) that selectively extracts chitin, leaving behind unwanted components.

SourceUniversity of Connecticut·JournalInternational Journal of Biological Macromolecules·TypeExperimental study·DateFeb 21, 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.

Blood test could determine diabetes risks

A new study from Edith Cowan University found that a blood test using joint cumulative high-sensitivity C-reactive protein and monocyte to high-density lipoprotein ratio can predict type 2 diabetes risk more effectively. Females were most at risk with significant interaction between MHR and CRP observed.

SourceEdith Cowan University·JournalJournal of Translational Medicine·TypeSystematic review·DateFeb 21, 2024

Biodiversity footprints for 151 dishes from around the world show that dishes with a larger impact on biodiversity tend to be meat, legume, or rice-based

A study of 151 popular dishes found that those made with beef, chicken, legumes, and rice have a significant impact on biodiversity. Dishes from Brazil and India were found to have large biodiversity footprints due to the conversion of natural habitats to agricultural land.

SourcePLOS·JournalPLOS ONE·TypeComputational simulation/modeling·DateFeb 21, 2024

Little groundwater recharge in ancient Mars aquifer, according to new models

A new study using computer models and simple calculations found that ancient Mars' southern highlands aquifer had a miniscule .03 millimeters of groundwater recharge per year on average. This is significantly lower than the annual rate of groundwater recharge for Earth's aquifers, suggesting a different water regime on Mars.

SourceUniversity of Texas at Austin·JournalIcarus·DateFeb 21, 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.

Hepatocellular carcinoma incidence and mortality in the USA by sex, age, and race: A nationwide analysis of two decades

Recent US nationwide data reveal rising HCC incidence and mortality rates primarily affecting men and older adults. The study highlights disparities among racial/ethnic groups and underscores the need for targeted early detection, intervention, and treatment strategies to improve patient outcomes.

SourceXia & He Publishing Inc.·JournalJournal of Clinical and Translational Hepatology·DateFeb 21, 2024

Teachers’ growth mindset appears more important than warmth

A new study suggests that teachers' growth mindset is more influential than their warmth in shaping students' attitudes towards their classes. Students responded positively to instructors with a growth mindset, even if they were described as 'cold', while those with fixed mindsets fared worse, regardless of their demeanor.

SourceWashington State University·JournalMotivation Science·DateFeb 21, 2024

AGA now recommends fecal microbiota transplant for the majority of recurrent C. diff patients

The American Gastroenterological Association recommends fecal microbiota transplant (FMT) as a safe and effective treatment for most patients with recurrent Clostridioides difficile infection. FMT offers hope to patients suffering from debilitating C. diff, enabling them to lead happy and healthy lives.

SourceAmerican Gastroenterological Association·JournalGastroenterology·TypeSystematic review·DateFeb 21, 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.

Outsmarting chemo-resistant ovarian cancer

Researchers have discovered a new way to target chemotherapy-resistant ovarian cancer cells by depriving them of cholesterol, leading to significant tumor growth reduction. The nanoparticles starve the cells of cholesterol, triggering cell death through oxidation of lipids in the cell membrane.

SourceNorthwestern University·JournalAdvanced Science·TypeExperimental study·DateFeb 21, 2024

UT Health Science Center researchers partner on multi-institutional $20 million award to develop new radiopharmaceutical cancer therapies

Researchers at UT Health Science Center, in collaboration with Oak Ridge National Laboratory and the University of Tennessee, Knoxville, will develop new radiopharmaceutical therapies to treat cancer. The team aims to advance precision cancer treatment using targeted alpha-emitting radioisotope constructs.

SourceUniversity of Tennessee Health Science Center·DateFeb 21, 2024

How does the brain make decisions?

A new mouse study has uncovered the neural connections that help shape decisions, finding sequential groups of neurons activated and suppressed to reinforce a choice. The research combines structural, functional, and behavioral analyses to explore how neuron-to-neuron connections support decision-making in the brain.

SourceHarvard Medical School·JournalNature·DateFeb 21, 2024

UNC Lineberger named as a national research hub for NIH cancer screening study

The UNC Lineberger Comprehensive Cancer Center has been selected as a national research site for the National Cancer Institute's Cancer Screening Research Network. The network will conduct large-scale studies using emerging cancer screening technologies to identify effective and accurate methods for early detection and prevention. The ...

SourceUniversity of North Carolina Health Care·TypeRandomized controlled/clinical trial·DateFeb 21, 2024

Acupuncture for combat-related posttraumatic stress disorder

A randomized clinical trial found acupuncture to be clinically efficacious and favorably affect PTSD symptoms in combat veterans. The study suggests that further research is needed to explore the efficacy and mechanisms of acupuncture for PTSD treatment.

SourceJAMA Network·JournalJAMA Psychiatry·DateFeb 21, 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.

Climate change increases the risk of preterm births by 60% and will devastate children’s health without fast global action

A new study links climate change to a 60% increase in preterm births and severe respiratory diseases. Without global action, climate-driven extremes will devastate children's health for generations, with the strongest link found between temperature extremes and increased risk of preterm birth.

SourceFlinders University·JournalScience of The Total Environment·TypeData/statistical analysis·DateFeb 21, 2024

Accurate and inexpensive approach for optical biopsy

Researchers developed a novel machine learning-based approach to analyze diffuse reflectance spectroscopy data, achieving higher accuracies and speeds than existing methods. The 'wavelength-independent regressor' model overcomes use-error limitations by incorporating diverse datasets, making it suitable for clinical settings.

SourceSPIE--International Society for Optics and Photonics·JournalJournal of Biomedical Optics·DateFeb 21, 2024

Death and grief in Swedish children’s books

A study of 62 Swedish children's books found that most depict death through metaphors, making it difficult for children to understand. Rakel Eklund's research highlights the need for more books that openly discuss death and grief from the child's perspective.

SourceUppsala University·JournalDeath Studies·TypeLiterature review·DateFeb 21, 2024

Charting new paths in AI learning

A new study by EPFL researchers Antonia Sclocchi and Matthieu Wyart examines the impact of changing batch size and learning rate on stochastic gradient descent. They identify three regimes that affect AI learning differently, from exploratory to efficient approaches.

SourceEcole Polytechnique Fédérale de Lausanne·JournalProceedings of the National Academy of Sciences·DateFeb 21, 2024
Apple iPhone 17 Pro

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

Inaccurate pulse oximeter readings could limit transplants, heart pumps for Black patients with heart failure

Researchers found that pulse oximeters underestimate blood pumping and overestimate resistance, affecting treatment decisions. Direct blood oxygen measurement is crucial for accurate guidance, especially for Black patients already at higher risk.

SourceMichigan Medicine - University of Michigan·JournalCirculation Cardiovascular Quality and Outcomes·TypeObservational study·DateFeb 21, 2024

An awkward family reunion: Sea monsters are our cousins

A new study from the Stowers Institute for Medical Research has discovered that sea lampreys and humans share an remarkably similar molecular and genetic toolkit in their hindbrain development. The research found a crucial molecular cue, retinoic acid, to be involved in both species' brain stem formation.

SourceStowers Institute for Medical Research·JournalNature Communications·TypeExperimental study·DateFeb 21, 2024

Focus on patient experience can improve diabetes care

Healthcare providers must prioritize patient experience to improve diabetes care. This includes explaining treatment options and considering each patient's level of health literacy and cultural background.

SourceThe Endocrine Society·JournalThe Journal of Clinical Endocrinology & Metabolism·DateFeb 21, 2024

New study suggests target steps per day for reduced risk of heart failure

A new study published in JAMA Cardiology found that taking 3,600 steps per day is associated with a 26% lower risk of developing heart failure. The study also found that accumulating more light and moderate intensity daily activities can help prevent heart failure.

SourceUniversity at Buffalo·JournalJAMA Cardiology·TypeObservational study·DateFeb 21, 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.

New diagnostic tool for femoral osteoporosis improves the efficacy and viability of current methods

The new diagnostic tool, 3D-DXA, complements DXA with computational and statistical systems to estimate mineral density and obtain detailed three-dimensional images. This method has the potential to improve diagnoses and detect up to 50% more patients at high risk of femur fracture.

SourceUniversitat Pompeu Fabra - Barcelona·JournalJournal of Clinical Densitometry·TypeData/statistical analysis·DateFeb 21, 2024

Obesity care can make a big difference, but few get it, study suggests

A new study in tens of thousands of people with obesity shows the impact of different weight management treatments on achieving a 5% weight loss. Effective treatment options include nutrition counseling, medically supervised meal replacements, anti-obesity medications, and bariatric surgery.

SourceMichigan Medicine - University of Michigan·JournalJAMA Network Open·TypeData/statistical analysis·DateFeb 21, 2024

Bio-inspired neuroprosthetics: Sending signals the brain can understand

Researchers at ETH Zurich developed biomimetic computer-to-brain communication enhancing naturalistic touch sensations via peripheral nerve stimulation. The bio-inspired approach enabled prosthetic legs to evoke natural sensations, allowing amputees to walk faster and with greater confidence.

SourceETH Zurich·JournalNature Communications·DateFeb 21, 2024

Utah’s Bonneville Salt Flats has long been in flux

New research from the University of Utah reveals that pollen analysis indicates salt crusts formed between 5,400 and 3,500 years ago, contradicting the long-held assumption that they formed when Lake Bonneville dried up 13,000 years ago. The study's findings suggest a dynamic landscape with significant erosion and sediment accumulation.

SourceUniversity of Utah·JournalQuaternary Research·TypeData/statistical analysis·DateFeb 21, 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.

New tool can assess the climate of equity and inclusion in medical schools

A new tool developed by Yale researchers evaluates the state of equity and inclusion in medical school learning environments. The tool provides scores based on student perceptions of faculty support, collaboration, and fostering a safe environment. Lower scores were found among students from historically marginalized backgrounds.

SourceYale University·JournalJAMA Network Open·DateFeb 21, 2024

Groundbreaking new data can make us better understand glaciers.

A new high-resolution dataset from Svalbard's glaciers provides unprecedented insights into calving front changes, revealing a retreating trend for most glaciers. The data can be used to improve mass balance assessments and explore drivers of glacier calving, crucial for understanding climate change's impact on the Arctic Cryosphere.

SourceGRID-Arendal·JournalEarth System Science Data·TypeComputational simulation/modeling·DateFeb 21, 2024

Researchers find possible solutions to reverse Alzheimer’s Disease impact

University of North Carolina at Chapel Hill researchers have developed a new drug delivery platform that harnesses helical amyloid fibers designed to untwist and release drugs in response to body temperatures. This discovery could be useful in treatment to reverse Alzheimer’s Disease impact by degrading amyloid plaques.

SourceUniversity of North Carolina at Chapel Hill·JournalNature Communications·DateFeb 21, 2024
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.

Can yoga effectively treat chronic back pain?

A recent study found that yoga significantly reduced pain intensity in women with chronic low back pain, with a notable decrease in flexion-relaxation phenomenon. The research suggests yoga can positively impact chronic back pain management, although further studies are needed to assess its long-term effects.

SourceWiley·JournalJournal of Orthopaedic Research®·DateFeb 21, 2024

Unraveling the pH-dependent oxygen reduction performance on single-atom catalysts

The study revealed a pH-dependent evolution in the catalytic activity of M-N-C materials, with some exhibiting remarkable stability and performance across acidic and alkaline environments. The researchers validated their theoretical predictions, affirming the accuracy of their models in predicting key catalytic parameters.

SourceAdvanced Institute for Materials Research (AIMR), Tohoku University·JournalJournal of the American Chemical Society·DateFeb 21, 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.

Researchers reveal mechanism of drug reactivating tumor suppressors

A team of researchers from the University of Tokyo demonstrated that a drug, valemetostat, reduces tumor growth in blood cancer by targeting H3K27me3, a protein modification silencing tumor suppressor genes. The treatment restores expression of many tumor suppressor genes and sustains inhibiting tumor cell growth.

SourceUniversity of Tokyo·JournalNature·TypeRandomized controlled/clinical trial·DateFeb 21, 2024

Scientists from IOCB Prague have improved materials for reconstructive and plastic surgery

Researchers from IOCB Prague and Ghent University have developed 3D-printable gelatin-based materials that can be easily monitored using X-rays or CT scans. This improvement enables the tracking of implant biodegradation and mechanical failures, allowing for tailored clinical requirements.

SourceInstitute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences (IOCB Prague)·JournalACS Applied Engineering Materials·TypeExperimental study·DateFeb 21, 2024

High resolution techniques reveal clues in 3.5 billion-year-old biomass

Researchers used high-resolution techniques to analyze organic material from the early Earth, shedding light on the formation and composition of ancient biomass. The study found evidence of biological origin in microscopically small particles, suggesting a turbulent history of sediment deposits.

SourceUniversity of Göttingen·JournalPrecambrian Research·TypeExperimental study·DateFeb 21, 2024
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.

TB vaccine shrinks liver cancer tumors in mice

A study by UC Davis Health found that a single dose of BCG reduced liver tumor burden and extended the survival of mice with liver cancer. The vaccine boosted the body's immunity, leading to tumor shrinkage and improved liver function.

SourceUniversity of California - Davis Health·JournalAdvanced Science·DateFeb 21, 2024

Compounds in female ginseng could lead to new osteoporosis treatments

Researchers discovered two compounds in female ginseng with potent anti-osteoporotic activity and blocked key molecular pathways involved in bone loss. The study opens up possibilities for new osteoporosis treatments based on the compound, whether in its current form or as a structural template.

SourceAmerican Chemical Society·JournalACS Central Science·DateFeb 21, 2024

Air pollution linked to more signs of Alzheimer’s in brain

Researchers found that people with higher air pollution exposure were more likely to have high amounts of amyloid plaques in their brains, which are associated with Alzheimer's disease. The study suggests that environmental factors like air pollution may contribute to Alzheimer's disease, especially in those without the APOE e4 gene va...

SourceAmerican Academy of Neurology·JournalNeurology·DateFeb 21, 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.

Food additive E551 could promote coeliac disease

Chronic exposure to E551 may reduce oral tolerance to dietary proteins and increase intestinal inflammation, potentially worsening coeliac disease symptoms. Researchers found daily exposure to E551 worsened levels of inflammation markers associated with the disease in mice.

SourceINRAE - National Research Institute for Agriculture, Food and Environment·JournalEnvironmental Health Perspectives·DateFeb 21, 2024

Detecting pathogens faster and more accurately by melting DNA

A new method uses digital DNA melting analysis to detect pathogens in blood samples, producing results in under six hours and reducing false positives compared to traditional blood cultures. This technology has the potential to save lives by accurately diagnosing sepsis, a leading cause of death worldwide.

SourceUniversity of California - San Diego·JournalJournal of Molecular Diagnostics·TypeExperimental study·DateFeb 21, 2024

Solar-driven green synthesis of epoxides

Recent advances in solar-driven photo(electro)chemistry enable environmentally-friendly synthesis of epoxides, reducing reliance on hazardous oxidants and fossil fuels. Emerging systems promote efficient epoxide production with improved catalytic selectivity.

SourceScience China Press·JournalScience China Chemistry·DateFeb 21, 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.

Synthetic antibody neutralises deadly snakebite toxin

Scientists at Indian Institute of Science have developed a synthetic human antibody that can neutralise a potent neurotoxin produced by highly toxic snakes. The new venom-neutralising antibody was created using an approach adapted from HIV and COVID-19 antibody screening, and shows efficacy nearly 15 times that of conventional antiveno...

SourceIndian Institute of Science (IISc)·JournalScience Translational Medicine·DateFeb 21, 2024

Wistar scientists discover link between leaky gut and accelerated biological aging

Researchers found a significant connection between disrupted gut microbiomes, increased intestinal permeability, and faster biological aging in people living with chronic HIV infection. The study highlights specific bacteria as potential accelerators of aging, opening new avenues for developing strategies to mitigate these effects.

SourceThe Wistar Institute·JournalMicrobiome·TypeExperimental study·DateFeb 21, 2024

Electrons become fractions of themselves in graphene, study finds

Researchers at MIT have observed a rare electronic state in which electrons become fractions of their total charge without the need for external magnetic fields. This effect, known as the fractional quantum anomalous Hall effect, has significant implications for the development of topological quantum computing.

SourceMassachusetts Institute of Technology·JournalNature·DateFeb 21, 2024

Did neanderthals use glue? Researchers find evidence that sticks

Neanderthals used a complex adhesive made from ochre and bitumen to construct their stone tools, revealing higher levels of cognition and cultural development than previously thought. This discovery provides early evidence of adhesive use in Europe and sheds light on the cognitive abilities of Neanderthals.

SourceNew York University·JournalScience Advances·DateFeb 21, 2024
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Intravascular imaging significantly improves survival, safety, and outcomes in cardiovascular stenting procedures over conventional angiography

Using intravascular imaging to guide stent implantation significantly improves survival and reduces adverse cardiovascular events compared to angiography-guided PCI. The study found a 25% reduction in all-cause death, 45% reduction in cardiac death, and improved outcomes for patients with coronary artery disease.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalThe Lancet·TypeMeta-analysis·DateFeb 21, 2024

Modeling tree masting

Researchers at Hokkaido University developed new computer-based models of masting to understand its effects on ecosystems and food webs. The models predict that masting can affect tree mortality, population dynamics, and animal-forest interactions, with implications for mitigating negative impacts of climate change.

SourceHokkaido University·JournalEcological Modelling·TypeComputational simulation/modeling·DateFeb 21, 2024

Study finds menthol cigarette ban would lead a lot of people to quit smoking

A study finds that banning menthol cigarettes would likely lead to a significant reduction in smoking rates, particularly among young people and racial/ethnic minorities. The review of 78 studies reveals that almost a quarter of menthol cigarette smokers quit smoking altogether after a ban.

SourceOxford University Press USA·JournalNicotine & Tobacco Research·TypeLiterature review·DateFeb 21, 2024

Snaking toward a universal antivenom

Researchers discovered an antibody that can block deadly toxins in snakes found throughout Africa, Asia, and Australia. The antibody protects against multiple snake species and has the potential to be used as a universal antivenom.

SourceScripps Research Institute·JournalScience Translational Medicine·DateFeb 21, 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.

NIH grant to aid Rumbaugh’s biofilm dispersal research

Rumbaugh's lab aims to understand the effects of dispersing bacteria from a biofilm on their susceptibility to antibiotics and on the host. They will use enzymes as tools to break up biofilms, allowing researchers to better comprehend the relationship between bacterial dispersal and infection outcomes.

SourceTexas Tech University Health Sciences Center·DateFeb 21, 2024

Chan Zuckerberg Initiative selects U of M Medical School assistant professor for collaborative grant award

Madhu Kannan, a University of Minnesota Medical School assistant professor, has been selected for the Chan Zuckerberg Initiative's Collaborative Pairs Pilot Project Awards to explore innovative approaches to understanding human prion diseases. The project will utilize cutting-edge approaches combining gene editing and neural activity i...

SourceUniversity of Minnesota Medical School·DateFeb 21, 2024
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.

“Protein sandwich” could transform cancer drug discovery

Researchers at University of Dundee have identified a breakthrough class of molecular glue that binds proteins together, paving the way for new drugs to target cancers and neurodegenerative diseases. This innovation uses targeted protein degradation technology to recruit disease-causing proteins to a cellular waste bin.

SourceUniversity of Dundee·JournalNature·DateFeb 21, 2024

Perovskite single-pixel detector for efficient extraction of meta-images in complex environments

A new perovskite single-pixel detector efficiently extracts dual-color metasurface images in complex environments, leveraging wavelength-selective properties and high detection sensitivity. The system streamlines image extraction with no need for additional filters, reducing cost and time.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateFeb 21, 2024

Cartilage regeneration: From the nose to the knee

A new study aims to develop a treatment for osteoarthritis by regenerating cartilage using nasal cartilage tissue. The method has already shown promising results in smaller studies, with the goal of providing an alternative to prostheses and improving patient outcomes.

SourceUniversity of Würzburg·DateFeb 21, 2024

Mitochondrial activation in transplanted cells promotes regenerative therapy for heart healing

Researchers at Hokkaido University developed a technique to promote cardiac regeneration by activating mitochondrial function in transplanted cells. The study found that activated mitochondria improved cardiac function and suppressed myocardial fibrosis, suggesting a new approach for treating severe heart failure.

SourceHokkaido University·JournalJournal of Controlled Release·TypeExperimental study·DateFeb 21, 2024

Older adults with a history of stroke at high risk of pandemic-induced depression

A new study from the University of Toronto found that older Canadians with a history of stroke experienced depression during the COVID-19 pandemic. Among those with no lifetime history of depression, immigrant status and family stressors were associated with an increased risk of incident depression.

SourceUniversity of Toronto·JournalInternational Journal of Geriatric Psychiatry·TypeObservational study·DateFeb 21, 2024
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

New water batteries stay cool under pressure

A global team of researchers has invented recyclable water batteries that don't catch fire or explode, addressing safety concerns in lithium-ion technology. The batteries use abundant materials like magnesium and zinc, reducing manufacturing costs and environmental risks.

SourceRMIT University·JournalAdvanced Materials·TypeExperimental study·DateFeb 21, 2024

Texas A&M researchers find links between human, canine brain tumors

Researchers at Texas A&M University have discovered that meningiomas in humans and dogs share remarkable genetic similarities. This breakthrough could lead to the development of novel treatments applicable to both species, including access to therapy not available elsewhere for dog owners.

SourceTexas A&M University·JournalActa Neuropathologica·TypeData/statistical analysis·DateFeb 21, 2024

KIER’s success in the development of the world's top-level semi-transparent perovskite solar cells

Researchers tackled metal oxide layer degradation in semi-transparent perovskite solar cells, discovering lithium ions diffuse into the buffer layer, degrading its characteristics. Optimizing oxidation time led to a stable device with impressive efficiency and retention of over 99% initial efficiency.

SourceNational Research Council of Science & Technology·JournalAdvanced Energy Materials·DateFeb 21, 2024

Home health care linked to increased hospice use at end-of-life, study reveals

Researchers found that individuals who received home health care before the last year of life had higher odds of using hospice care than those without home health care. This association highlights the potential benefits of receiving end-of-life care in a personalized, home-based setting.

SourceRutgers University·JournalJournal of Palliative Medicine·TypeData/statistical analysis·DateFeb 21, 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.

Physicists discover a quantum state with a new type of emergent particles: six-flux composite fermions

Researchers at Purdue University have discovered a new type of emergent particle, the six-flux composite fermion, which explains rare quantum states in host materials. This discovery expands our understanding of topological electron physics and has significant implications for the ordering of known fractional quantum Hall states.

SourcePurdue University·JournalNature Communications·DateFeb 21, 2024

Accurate quantitative analysis on information loss of digital metasurface caused by mutual coupling

Researchers developed a novel method to quantify information loss caused by mutual coupling in digital metasurfaces. The study found that the probability distribution of current on the metasurface is a set of dependent normal distributions, indicating significant information loss when converting digital signals into electromagnetic waves.

SourceScience China Press·JournalNational Science Review·DateFeb 21, 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.

A Mount Sinai-led study shows early success of a novel drug in treating a rare and chronic blood cancer

A phase 2 study by Mount Sinai-led researchers demonstrates rusfertide's ability to limit excess red blood cell production in patients with polycythemia vera, a rare and chronic blood cancer. The results suggest it could replace therapeutic phlebotomy, providing improved treatment options for patients.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalNew England Journal of Medicine·DateFeb 21, 2024

Severe maternal grief associated with increased risk of heart failure in child

A new study found that severe maternal grief, particularly the loss of a partner or child, is associated with an increased risk of heart failure in children up to middle age. The research suggests that prenatal stress may lead to adverse changes in mental and physical health, impacting fetal heart development.

SourceAmerican College of Cardiology·JournalJACC Heart Failure·DateFeb 21, 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.

Chronic exposure to air pollution may increase risk of cardiovascular hospitalization among seniors

A new study found that chronic exposure to PM2.5 is associated with increased risk of hospital admission for various cardiovascular conditions, particularly ischemic heart disease and cerebrovascular disease. The study suggests that lowering annual average PM2.5 levels could decrease overall cardiovascular hospitalizations by 15%.

SourceHarvard T.H. Chan School of Public Health·JournalBMJ·TypeObservational study·DateFeb 21, 2024

Sodium-ion batteries: How doping works

Scientists found that doping with Scandium reduces structural changes but doesn't improve stability. Magnesium doping suppresses oxygen redox reaction, which is unexpected as magnesium triggers it in other layered manganese oxides.

SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalAdvanced Materials·TypeExperimental study·DateFeb 21, 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.

Study explores perceptions of U.S. veterans treatment courts

A new study examines perceptions of US veterans treatment court team members regarding the program's viability and longevity. The researchers found that team members believe VTCs will continue to exist and expand, but face challenges in securing stable funding sources and maintaining buy-in from key individuals.

SourceCrime and Justice Research Alliance·JournalVictims & Offenders·DateFeb 21, 2024

Alzheimer’s blood test performs as well as FDA-approved spinal fluid tests

A new blood test has been shown to diagnose Alzheimer's disease pathology as accurately as FDA-approved spinal fluid tests, making early diagnosis and treatment accessible to more people. The blood test measures levels of Alzheimer's proteins in the blood, detecting molecular signs of the disease even before symptoms appear.

SourceWashU Medicine·JournalNature Medicine·TypeExperimental study·DateFeb 21, 2024

iTalkBetter app significantly improves speech in stroke patients

A new study published in eClinicalMedicine found that the iTalkBetter app significantly improved patients' ability to talk after six weeks of use. The app provided digital speech therapy for over 200 commonly used words, with a 13% increase in naming items and improvements in spontaneous speech.

SourceUniversity College London·JournalEClinicalMedicine·TypeRandomized controlled/clinical trial·DateFeb 21, 2024

New evidence shows UK solar parks can provide for bees and butterflies

A new study shows that UK solar parks, if managed correctly, can support insect pollinators such as bees and butterflies. The availability of a diverse range of flowering plant species within the solar farms is crucial for increased pollinator abundance and biodiversity.

SourceLancaster University·JournalEcological Solutions and Evidence·TypeObservational study·DateFeb 21, 2024

Black hole at center of the Milky Way resembles a football

A new study using NASA's Chandra X-ray Observatory and VLA data reveals that the supermassive black hole Sagittarius A* is spinning at about 60% of its maximum possible speed. This spin could provide an incredibly powerful kick to surrounding matter if the amount of material in the vicinity increases.

SourcePenn State·JournalMonthly Notices of the Royal Astronomical Society·TypeImaging analysis·DateFeb 21, 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.

Children born in October least likely to get flu

A US study published in The BMJ found that children born in October are less likely to get the flu and more likely to be vaccinated. The study suggests that October is the optimal time for young children to receive an annual flu shot, aligning with current recommendations.

SourceBMJ Group·JournalThe BMJ·TypeObservational study·DateFeb 21, 2024

Stable intense supercontinuum light generation from 1kHz femtosecond laser filamentation in air

Researchers have successfully generated a stable high-intensity and high-repetition supercontinuum white light source in air using femtosecond laser filamentation with an external DC electric field. This method suppresses thermal jitter by generating an ionic wind, improving beam pointing stability and signal-to-noise ratio.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·DateFeb 21, 2024

GW research explores how people make a snap judgment about unfamiliar dogs

A new study by George Washington University researchers found that people make instant judgments about unknown dogs based on their facial appearance. The study's lead author, Courtney Sexton, suggests that better understanding canine and human communication is crucial as these animals play increasingly important roles in society.

SourceGeorge Washington University·JournalHuman-Animal Interactions·DateFeb 21, 2024

Citizen science to mitigate the environmental crisis in the marine environment

A study by the University of Barcelona and ICM-CSIC highlights the scientific rigor of citizen science initiatives assessing coral and gorgonian populations. The results show improvement in data quality and reveal worsening conditions in these species across the north-western Mediterranean.

SourceUniversity of Barcelona·JournalEnvironmental Management·TypeObservational study·DateFeb 21, 2024

14 parameters in one go: New instrument for optoelectronics

A new instrument called CLIMAT was developed by HZB physicist Dr Artem Musiienko to characterise semiconductors. It measures 14 parameters of transport properties in a single measurement, including mobility, diffusion lengths and lifetime, for positive and negative charge carriers.

SourceHelmholtz-Zentrum Berlin für Materialien und Energie·JournalNature Communications·TypeExperimental study·DateFeb 21, 2024
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.

Pennington Biomedical researchers looking for new ways to improve life span and health during aging

Researchers found that a compound called BAM15 makes mitochondria less efficient at producing energy, extending life span and improving body composition in fruit flies. The study also showed reduced age-related decline in motor activity. Further studies are needed to confirm these findings in humans.

SourcePennington Biomedical Research Center·JournalAging Cell·TypeExperimental study·DateFeb 21, 2024

How AI can help spot early risk factors for Alzheimer’s disease

Researchers at UCSF used clinical data and a precision medicine approach to identify early risk factors for Alzheimer’s disease, predicting its onset with 72% accuracy. High cholesterol, osteoporosis, and erectile dysfunction were found to be predictive factors in both men and women.

SourceUniversity of California - San Francisco·JournalNature Aging·DateFeb 21, 2024

General deep learning framework for emissivity engineering

A team of scientists proposed a general deep learning framework based on DQN algorithm to efficiently design wavelength-selective thermal emitters (WS-TEs) with excellent performance for different applications. The framework autonomously selects materials and optimizes structural parameters for optimal emissivity spectra.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateFeb 21, 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.

Researchers leverage machine learning to improve space weather predictions

A new emulator model improves auroral current system simulations, enabling faster and more efficient space weather forecasts. The Surrogate Model for REPPU Auroral Ionosphere version 2 (SMRAI2) is a million times faster than physics-based simulations and incorporates seasonal effects.

SourceResearch Organization of Information and Systems·JournalSpace Weather·DateFeb 21, 2024

The cultural evolution of collective property rights

A new simulation model examines the conditions under which institutions emerge and persist, highlighting the critical role of competition and learning from out-groups. The study builds on Elinor Ostrom's design principles for successful management, shifting focus to understanding how collective property rights arise and spread.

SourceSanta Fe Institute·JournalNature Sustainability·DateFeb 21, 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.

Mark Cuban Drug Company may offer savings for urology drugs

A new study suggests that Mark Cuban Cost Plus Drug Company (MCCPDC) may offer significant savings for patients taking common urology medications, with the greatest potential to reduce costs being for solifenacin and oxybutynin. The online pharmacy's standardized pricing can reduce out-of-pocket costs by up to $20 per prescription.

SourceWolters Kluwer Health·JournalUrology Practice·DateFeb 21, 2024

Artificial intelligence recognizes patterns in behaviour

Researchers created A-SOiD, an AI platform that can learn and predict user-defined behaviors from video, avoiding common biases found in other AI models. The tool offers precise analysis and potential applications in various fields, including stock markets and proteomics.

SourceUniversitatsklinikum Bonn·JournalNature Methods·DateFeb 21, 2024

Seaports are hotspots of contagious cancer in mussels

Research finds seaports facilitate the spread of MtrBTN2, a rare contagious cancer in mussels, through biofouling. The disease is threatening coastal ecosystems and argues in favor of mitigation policies to stem its spread.

SourceCNRS·JournalProceedings of the Royal Society B Biological Sciences·DateFeb 21, 2024

Vlasov and Bashir groups develop nanoscale device for brain chemistry analysis

The University of Illinois has developed a new nanoscale sensor that can monitor areas 1,000 times smaller than traditional technology, tracking subtle changes in brain chemistry with sub-second resolution. The device takes advantage of silicon-based manufacturing techniques to achieve 100% efficiency and high spatial resolution.

SourceUniversity of Illinois Grainger College of Engineering·JournalACS Nano·DateFeb 21, 2024

NIH study offers new clues into the causes of post-infectious ME/CFS

Researchers found differences in brain and immune systems of people with post-infectious ME/CFS. Abnormalities in the temporal-parietal junction and low levels of catecholamines were associated with fatigue, cognitive symptoms, and motor performance.

SourceNIH/National Institute of Neurological Disorders and Stroke·JournalNature Communications·TypeObservational study·DateFeb 21, 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.

Sleep improves ability to recall complex events

Researchers found that sleep consolidates weak associations and strengthens connections between elements of complex events, improving memory recall. This process is essential for completing memories of whole events and drawing a coherent picture of the environment.

SourceLudwig-Maximilians-Universität München·JournalProceedings of the National Academy of Sciences·DateFeb 21, 2024

How Americans really feel about the teaching of controversial topics in schools

A new USC study found that Americans are united on core principles of public education, but diverge on sensitive topics like LGBTQ+ inclusion and racial justice in K-12 curricula. The survey revealed deep partisan divides, with Democrats generally supporting teaching controversial topics, while Republicans were less supportive.

SourceUniversity of Southern California·TypeSurvey·DateFeb 21, 2024

Communities of color breathe Denver’s worst air

A new study found that communities of color in Denver are exposed to higher levels of air pollution due to historical redlining practices. The study used satellite images and historical data to measure pollution throughout the city, revealing a correlation between pollution and race.

SourceUniversity of Colorado at Boulder·JournalEnvironmental Science & Technology·TypeData/statistical analysis·DateFeb 21, 2024

Why are fish getting smaller as waters warm? It’s not their gills, finds study led by UMass Amherst

A study led by UMass Amherst found that increased temperatures do lead to decreased body size in fish, but gill surface area does not explain the change. The researchers challenged widely cited model projections of drastic reductions in future global fisheries yields, suggesting that models need to be reconsidered.

SourceUniversity of Massachusetts Amherst·JournalJournal of Experimental Biology·DateFeb 21, 2024

Japan versus UK: Impact of social camouflage on mental health in autistic adults

A new study published in Molecular Autism found that Japanese autistic adults with balanced social camouflage exhibit improved mental well-being, whereas those with excessive camouflage face mental health issues. The research highlights the importance of cultural considerations when supporting individuals with autism.

SourceChiba University·JournalMolecular Autism·TypeObservational study·DateFeb 21, 2024

Mercury levels in tuna remain nearly unchanged since 1971, study says

Researchers found stable tuna mercury concentrations worldwide from 1971 to 2022, except for a slight increase in the northwestern Pacific Ocean. The team suggests upward mixing of 'legacy' mercury as a possible cause, which could take up to 25 years to influence oceanic levels.

SourceAmerican Chemical Society·JournalEnvironmental Science & Technology Letters·DateFeb 21, 2024

Tackling World Health Organization's priority pathogen with phages

A new study describes phage therapy as a game-changing solution to combat multi-drug resistant Pseudomonas aeruginosa infections. Researchers found that sequential administration of phages and antibiotics can clear infection and re-sensitize bacteria to antibiotics.

SourceUniversity of Liverpool·JournalNature Communications·TypeExperimental study·DateFeb 21, 2024

New approach to real-time monitoring after pancreatic surgery

Researchers developed a portable, droplet-based millifluidic device to monitor patients in the critical first days after surgery. The device measures drainage fluid's alpha-amylase activity in real time, reducing test duration from six hours to two minutes.

SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalBiosensors and Bioelectronics·TypeExperimental study·DateFeb 21, 2024

Study details toxic elements found in stranded whales, dolphins over 15 years

Researchers analyzed tissue and fecal samples from 90 stranded marine mammals to study the distribution of toxic elements. The study found that Risso's dolphins and short-finned pilot whales had high concentrations of mercury, cadmium, and lead, while dwarf sperm whales had low levels.

SourceFlorida Atlantic University·JournalHeliyon·TypeExperimental study·DateFeb 21, 2024

Converting rainforest to plantation impacts food webs and biodiversity

A recent study reveals that converting rainforests to plantations erodes and restructures food webs, fundamentally changing their functioning. The researchers found that energy flows differently in plantation ecosystems compared to rainforests, with a greater emphasis on invasive species and reduced predation.

SourceUniversity of Göttingen·JournalNature·TypeObservational study·DateFeb 21, 2024

Heavy alcohol, drug use linked to increased risk of falls among people with HIV

A new study has found that heavy alcohol use and illicit opioid use are linked to a higher risk of falls and fractures among people living with HIV. The study suggests the need for targeted clinical screening and interventions to prevent falls and related injuries, particularly among populations already at risk.

SourceBoston University School of Public Health·JournalJAIDS Journal of Acquired Immune Deficiency Syndromes·TypeObservational study·DateFeb 21, 2024

Membrane technology: Looking deep into smallest pores

Researchers at KIT's Institute for Advanced Membrane Technology found that the interplay of hydrodynamic forces, friction, and forces of attraction and repulsion affects adsorption in membrane nanopores. This study provides basic findings with respect to water processing and may benefit ultra- and nanofiltration processes controlled by...

SourceKarlsruher Institut für Technologie (KIT)·JournalNature Communications·DateFeb 21, 2024

Neural network assisted high-spatial-resolution polarimetry

A new method combines a tri-channel chiral metasurface with a deep convolutional neural network to analyze polarizations, achieving fast, robust, and accurate measurements. This approach supports high spatial resolution requirements and compact design, enabling diverse applications in remote sensing, astronomy, biology, and microscopy.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·JournalLight Science & Applications·DateFeb 21, 2024

Research progress reveals faster, more accurate blood flow simulation to revolutionise treatment of vascular diseases

Researchers at the University of Manchester have developed new methods to simulate blood flow, enabling faster and more accurate modeling of vascular diseases. These advancements have the potential to transform medical treatment and device innovation, providing real-time insights during surgical procedures and improving patient outcomes.

SourceUniversity of Manchester·JournalJournal of The Royal Society Interface·DateFeb 21, 2024

Uptake of HIV prevention medication doubles with mix of digital health interventions, study finds

A UCLA-led study found that a combination of telehealth coaching, peer support, and automated text messages increased PrEP uptake among younger Americans by more than doubling it. The intervention's success suggests the importance of behavioral interventions and wraparound services in supporting HIV prevention.

SourceUniversity of California - Los Angeles Health Sciences·JournalThe Lancet Digital Health·TypeRandomized controlled/clinical trial·DateFeb 21, 2024

Automated method helps researchers quantify uncertainty in their predictions

Researchers have introduced an optimization technique that accelerates Bayesian inference without requiring extensive user effort. This new automated method achieves more accurate results faster than another popular approach and offers reliable uncertainty estimates to help scientists understand when to trust their predictions.

SourceMassachusetts Institute of Technology·JournalJournal of Machine Learning Research·DateFeb 21, 2024

Engineers use AI to wrangle fusion power for the grid

A Princeton University team developed an AI model that can forecast potential plasma instabilities up to 300 milliseconds in advance, allowing for real-time adjustments to avoid reaction-ending escapes. The model uses past experimental data and demonstrates a promising approach to solving a broad range of plasma instabilities.

SourcePrinceton University, Engineering School·JournalNature·TypeExperimental study·DateFeb 21, 2024

New system triggers cellular waste disposal

Scientists at CeMM Research Center have discovered a new method to mark proteins for destruction, potentially treating diseases like cancer. The technique uses 'intramolecular bivalent glues' to alter the protein's surface, triggering targeted protein degradation via ubiquitin ligases.

SourceCeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences·JournalNature·TypeExperimental study·DateFeb 21, 2024

Evidence review: Maternal mental conditions drive climbing death rate in U.S.

A research team at Children's National Hospital found that maternal mental illness contributes significantly to the death of new mothers in the US. The study highlights the need for urgent action to address this public health crisis, which is driven by a lack of access to maternity care and inadequate screening for depression postpartum.

SourceChildren's National Hospital·JournalJAMA Psychiatry·DateFeb 21, 2024

Butterfly and moth genomes mostly unchanged despite 250 million years of evolution

Researchers analyzed over 200 butterfly and moth genomes to understand their evolutionary history. They found that chromosomes have remained largely unchanged since the last common ancestor over 250 million years ago, despite the diversity seen today in wing patterns and caterpillar forms.

SourceWellcome Trust Sanger Institute·JournalNature Ecology & Evolution·TypeObservational study·DateFeb 21, 2024

Muscle as a heart-health predictor

New research from the University of California San Diego found that men with a higher area of abdominal muscle have a greater risk of cardiac trouble. Men with the densest muscle in their abdominal cavity had about one quarter the risk of coronary heart disease later on.

SourceUniversity of California - San Diego·JournalJournal of the American Heart Association·DateFeb 21, 2024

Raised blood pressure is the leading risk factor for death in Australia

A study published in PLOS ONE found that raised blood pressure has been the leading risk factor for death in Australia for three decades, contributing to at least 44% of cardiovascular disease (CVD) deaths. The research highlights the importance of prioritizing blood pressure control efforts in public health agendas.

SourcePLOS·JournalPLOS ONE·TypeObservational study·DateFeb 21, 2024

Novel treatment strategy reduces inflammation and cardiometabolic risk in adolescents with obesity

A one-year interdisciplinary therapy program reduced inflammation and cardiometabolic risk in obese adolescents, improving insulin resistance and weight management. The semi-intensive model produced better results than previous intensive models, reversing hyperlipidemia and promoting energy balance.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalInternational Journal of Environmental Research and Public Health·DateFeb 21, 2024

Weedy rice gets competitive boost from its wild neighbors

A study found that weedy rice's promiscuity allows it to crossbreed with wild rice, enabling it to adapt and outcompete cultivated rice. This process, called adaptive introgression, has contributed to the evolution of Southeast Asian weedy rice.

SourceWashington University in St. Louis·JournalNature Communications·DateFeb 21, 2024

A new RNA editing tool could enhance cancer treatment

Researchers developed a CRISPR RNA-editing platform to regulate immune cell metabolism, boosting anti-tumor function and sustaining T cell proliferation. The platform enables reversible changes to gene expression and can be controlled by a drug, offering a safety switch for immunotherapy treatments.

SourceStanford University·JournalCell·DateFeb 21, 2024

False alarm of the immune system during muscle disease

Scientists identify chronic ER stress and mitochondrial damage in DM2 cells, triggering an antiviral response and autoimmune diseases. The study provides new therapeutic targets to suppress the development of autoimmune diseases in patients.

SourceTechnische Universität Dresden·JournalNature Communications·DateFeb 21, 2024

Families of men with fertility problems show distinct patterns of increased risk for several types of cancer

Men with low sperm count or none have a higher risk of developing cancer, including at younger ages, compared to fertile men. Families of azoospermic men have a significantly increased risk of five cancers, while families of oligozoospermic men have a higher risk of colon, bone and joint, and testicular cancers.

SourceEuropean Society of Human Reproduction and Embryology·JournalHuman Reproduction·TypeObservational study·DateFeb 21, 2024

Revealing what makes bacteria life-threatening

Scientists found a mutation in E. coli that allows it to spread further into the body and infect organs, causing life-threatening diseases. The discovery helps explain why certain types of E. coli become more dangerous and provides an explanation for emerging virulent bacteria.

SourceUniversity of Queensland·JournalNature Communications·TypeExperimental study·DateFeb 21, 2024

Nanoscale manipulation of exciton–trion interconversion in a MoSe2 monolayer via tip-enhanced cavity-spectroscopy

Researchers have developed a novel 'nano active control platform' to control excitons and trions, providing valuable insights into the optical properties of two-dimensional semiconductors. The breakthrough discovery enables real-time analysis of nano-light properties with exceptional spatial resolution.

SourceUlsan National Institute of Science and Technology(UNIST)·JournalNano Letters·DateFeb 21, 2024

μkiss-and-tell: A new method for precision delivery of nanoparticles and small molecules to individual cells

Scientists create 'μkiss' technique for precise delivery of materials to individual cells, offering new possibilities in single-cell science and next-generation therapeutic applications. The method provides full control over location, time, and scale of material application, enabling detailed studies of cellular processes.

SourceMax Planck Institute for the Science of Light·JournalNature Methods·TypeExperimental study·DateFeb 21, 2024

New detection method aims to warn of landslide tsunamis

Researchers at University of Alaska Fairbanks have developed a new detection method that can identify landslides within minutes and determine if they pose a tsunami hazard. The method uses seismic data to estimate a landslide's location, volume, and potential impact, with the goal of issuing warnings in under 5 minutes.

SourceUniversity of Alaska Fairbanks·JournalThe Seismic Record·DateFeb 21, 2024