Researchers have developed a new extraction method to isolate monomeric photosystem I (PSI), revealing its atomic structure and providing insights into the energy transfer process. The discovery may enable uphill energy transfer and improve our understanding of photosynthesis.
Researchers have developed a new animal model of early-stage Alzheimer's disease in rhesus macaques, which could enable better testing of new treatments. The model replicates the spread of misfolded tau proteins through brain circuits, similar to human disease progression.
A new study by Massachusetts General Hospital highlights rumination syndrome, a behavioral problem where patients regurgitate food into their mouths while eating. The condition is often confused with other gastrointestinal disorders, leading to delayed diagnosis and treatment.
The National Eye Institute's Data Commons now offers access to AREDS2 data, including thousands of participants with age-related macular degeneration. Researchers can analyze genomic and phenotypic data, as well as retinal images, to better understand the disease and develop new therapies.
Researchers found that ice loss near Glacier Bay National Park has influenced earthquake timing and location with a magnitude of 5.0 or greater since the past century. This study links expanding mantle movement with large earthquakes across Southeast Alaska, where glaciers have been melting for over 200 years.
A new species of manta-like planktivorous shark, Aquilolamna milarcae, was discovered in northern Mexico, revealing an unexpectedly early evolutionary experimentation with underwater flight. The ancient shark's unique features included long, slender pectoral fins and a wide mouth adapted for filter-feeding.
The discovery of Aquilolamna milarcae sheds light on the evolution of oceanic animals and reveals a new facet of sharks' evolutionary history. The species is characterized by extremely long pectoral fins reminiscent of wings, feeding on plankton.
Researchers discover that organic molecules, commonly found in aerosols, can facilitate ice crystal formation in clouds. They also investigate a memory effect where second-round ice formation is more effective than the first, revealing crevices in the nucleant surface can hold onto small amounts of ice.
A study found that Australian fires created a spreading stratospheric haze, peaking in January to March and persisting through July. The particles were transported by mid-latitude cyclone belts and weather patterns, eventually settling around the entire hemisphere.
Scientists have isolated a genetic clue in the form of an RNA polymerase enzyme that offers new insights into the origins of life. The discovery provides evidence for the RNA World Hypothesis, suggesting that self-replicating RNA molecules were capable of driving chemical reactions essential for life.
A recent study from Tokyo Medical and Dental University found that children who experienced housing loss during the 2011 Great East Japan Earthquake are more likely to prioritize short-term gratification over long-term rewards. The study analyzed data collected in 2012-2014 on 3- to 5-year-old survivors of the disaster.
Researchers estimate SARS-CoV-2 was circulating in China as early as mid-October 2019. The virus likely dies out naturally more than three-quarters of the time without causing an epidemic.
Researchers analyzed citizen science data and found massive by-the-wind sailor jellyfish strandings occurred in warmer winters, with beach cover spanning over 620 miles. The study suggests a tipping point in the ecosystem towards these jellies as climate change warms oceans.
Researchers analyzed ankylosaurid skeleton from Mongolia's Baruungoyot Formation, finding evidence of adaptations for digging. The discovery sheds light on the behavior and habits of these ancient creatures.
The study found that a large majority of U.S. adults support COVID-19 mitigation measures, including mask wearing, social distancing, and contact tracing. Support varied across ages, political party affiliation, and levels of trust in science, highlighting the challenges of reaching key groups during the pandemic.
A UNIST research team has developed a novel electrolyte additive that enables long lifespan and fast chargeability of high-energy-density lithium-ion batteries. The additive tackles the shortcomings of conventional materials, such as poor mechanical strength and chemical stability.
Statisticians have calculated the probability of ships becoming beset in ice along the Northern Sea Route, supporting safer maritime transport planning and oil spill prevention. The study's results also benefit authorities regulating maritime traffic by providing a foundation for statutes and legislation.
A Delphi survey conducted by City University reveals that experts prioritize protecting personal privacy online due to risks like cyberbullying and financial loss. The study identifies key areas for further research into online privacy, including social networks and regulation.
Researchers found that stegosaurs ate tough food, likely plant-based, and had complex jaw movements, including a longitudinal phase. They also discovered that their teeth formed quickly, suggesting they may not have suffered from caries.
Research using fMRI scans reveals that babies under a year old use areas of their frontal cortex to focus attention, previously thought to be immature. This discovery sheds light on the neural origins of attention in infants, potentially informing early childhood education and neurodevelopmental disorder research.
Researchers at Universidad Complutense de Madrid developed new image processing methods to enhance the analysis and three-dimensional reconstruction of biological macromolecules. The methods, published in Nature Communications, improved the visualization and quality of cryogenic electron microscopy-derived 3D reconstructions.
A new study from Finland reveals that undocumented women receive inadequate pregnancy care, with delayed access to prenatal care and lower rates of infection screening. The study highlights the need for better healthcare systems to cater to the unique needs of these vulnerable populations.
Researchers found that dogs infected with Leishmania parasites have a more attractive odor to female sand flies than uninfected dogs. This increased attractiveness could lead to enhanced infection and transmission opportunities for the parasite.
Researchers estimate SARS-CoV-2 was circulating in Hubei province at low levels in early-November 2019, possibly as early as mid-October 2019. The virus had established itself in Wuhan by the time COVID-19 was first identified.
A new study from the University of Bath found that the sugar tax in Catalonia, Spain led to a modest reduction in calorie intake, with households cutting purchases of high-sugar beverages and increasing lower-sugar options. The average reduction was only 2.2% and spread out over 3.7 calories per month.
A modelling study suggests that vaccination alone may not prevent the spread of COVID-19 infection in the UK, even with high vaccine uptake and gradual reopening. Gradual easing of measures and high vaccine protection can minimize future waves of infection.
Research on E. coli bacteria reveals that higher translation error rates lead to increased phenotypic variability at the single-cell level, affecting cell length and division time. However, population-level growth parameters show inconsistent correlations with mistranslation levels, highlighting the need for further investigation.
Researchers found that a synthetic cannabinoid activates astrocytes, which release adenosine to reduce nerve activity and tremors. This new approach may offer targeted treatment with fewer side effects for patients suffering from essential tremor.
Researchers at Tohoku University have developed a nanosecond operation technology for the spintronics-based probabilistic bit, enabling faster computation speeds and accuracy. The device, with an in-plane magnetic easy axis, achieves 100 times faster relaxation times than previous records.
A recent review of 150 articles suggests that a small leak in the blood-brain barrier is associated with benign forgetfulness of aging, which could be an early stage of Alzheimer's disease. Researchers also found that preserving pericyte function may lead to a healthier blood-brain barrier and potentially treat Alzheimer's.
A recent study from the University of Eastern Finland found that malting side-stream products contain high amounts of phytochemicals and proteins, making them a potential source of nutritious food. The researchers identified 285 different phytochemicals in these products, with germination increasing their levels.
A recent study found that nearly one-third of adults over 65 taking thyroid hormone also use medications known to interfere with thyroid function tests. The study highlights the complexity of managing thyroid hormone replacement in older adults, who often take multiple medications for other conditions.
A new study published in Neuron shows that dopamine neurons play a key role in regulating pain responses in male and female mice, with females responding by focusing attention elsewhere when in pain. The research provides insights into the neural pathways involved in sex differences in pain sensitivity.
A team of geologists from TU Graz identified the chemical influencing factors and triggers for recurrent mass movements in fine-grained sediments, enabling preventive measures to be taken. By adapting drainage systems and considering interactions between the system and subsurface, stability can be increased and economic damage reduced.
A Phase 3 study found a three-drug regimen safe and effective in improving lung function, respiratory symptoms, and nutritional status in 6-11 year olds with F508del mutation, representing about 90% of US cystic fibrosis population. The treatment also showed significant improvements in sweat chloride concentration.
A NTU study of 1,006 Singaporeans found that public support for driverless vehicles is driven by perceptions of their safety and limitations in making moral judgments. Policymakers must consider these factors when promoting the adoption of driverless cars.
Researchers found that marketing perks can foster positive word-of-mouth without being used as explicit incentives, but their effectiveness depends on how they are framed. Perks with fewer strings attached can nudge consumers to generate positive WOM, making behavior-reward contingencies clear and salient.
A study published in the Journal of the International Society of Sports Nutrition found that drinking electrolyte-enhanced water during and after exercise reduced muscle cramp susceptibility compared to plain water. The researchers suggest that pure water dilutes electrolyte concentration, making muscles more prone to cramps.
A new study by researchers at Martin Luther University Halle-Wittenberg and the Leibniz Institute for Farm Animal Biology found that goats can more quickly adapt to changing environmental conditions than sheep. The results suggest that goats are more cognitively flexible and better able to navigate around obstacles.
A new smartphone app has been shown to improve medication adherence and safety in patients with chronic kidney disease. The eKidneyCare app sent monthly reminders for medication reviews and reduced medication discrepancies by 44% compared to a commercially available stand-alone app.
Researchers at UC San Diego have developed a nanoscale artificial neuron device that efficiently carries out activation functions in hardware, reducing computing power and circuitry. The device, which implements the rectified linear unit activation function, can process images and perform edge detection with high accuracy.
A team of researchers has identified two complex PAHs in the Taurus Molecular Cloud, a patch of space where stars are not yet forming. This discovery suggests that these molecules can form at much lower temperatures than expected, potentially leading to new insights into planet formation.
Researchers have identified a way to reverse high blood sugar and muscle loss by targeting liver metabolism, which is disrupted in people with obesity-related type 2 diabetes. The study found that selectively silencing enzymes breaks down alanine can restore skeletal muscle protein synthesis, leading to improved muscle size and strength.
Scientists observe bonobos adopting infants born outside their social group, revealing strong parental instincts and emotional connection. The discovery sheds light on why humans adopt children without prior connections.
A new center at the University of Delaware will focus on musculoskeletal research, including tendonitis and osteoarthritis. The center aims to accelerate fundamental research and establish a comprehensive basic-to-clinical research pipeline.
A clinical trial found that immediate angiography reduced stroke treatment time by nearly half and improved recovery rates. At 90 days post-stroke, patients who underwent angiography showed a higher likelihood of regaining independence compared to those receiving standard CT scans.
Researchers found that state medical and recreational cannabis laws were associated with lower rates of self-harm and assault injuries. The study suggests that these laws may have contributed to a decrease in violent behavior, potentially due to the therapeutic benefits of cannabis.
Researchers at Chalmers University of Technology have derived equations that explain how changes in an atom's size affect its total energy and electronegativity. The study, published in Chemical Science, paves the way for advances in material development and could help identify new opportunities for high-pressure synthesis.
Researchers have discovered four new lichen species in Kenyan cloud forests, showcasing the region's unique biodiversity. The isolated ecosystem is home to previously unknown Micarea genus species, highlighting the importance of preserving native forests.
Researchers successfully ignite lean methane/air mixtures using intense fs-lasers, achieving a 100% ignition success rate with sub-mJ energy. The approach has general applicability to complex combustion conditions and provides possibilities for ultrafast physical/chemical processes investigation.
Researchers developed a diagnostic test to identify virulent Streptococcus equi subspecies zooepidemicus (Strep zoo) bacteria in pigs. The probe-based PCR assay reliably detected virulent strains while producing negative results for other pathogens.
Researchers studied 304 developing stars and found that gas-clearing by a star's outflow may not be as important in determining its final mass. The team's results indicate cavities in the surrounding gas cloud do not grow regularly, suggesting another process gets rid of excess gas.
Australian wildfires injected massive amounts of smoke into the stratosphere, causing record-breaking levels of atmospheric aerosols in the Southern Hemisphere. The effect was comparable to that of a moderate volcanic eruption and caused significant cooling over cloud-free ocean regions.
A new fabrication method for stable perovskite solar cells has been developed, enabling easy production, low cost and high performance. The sulfolane-additive process extends the processing window, forming highly crystalline layers over a large area with extended operational lifetimes.
A new study suggests that starting the day with breakfast can help lower blood sugar levels and insulin resistance, potentially reducing the risk of developing type 2 diabetes. Researchers analyzed data from over 10,000 adults and found that eating earlier in the day was associated with improved metabolic health.
Researchers found that multiple genes and genetic variants are linked to flight performance in flies, with a central gene called pickpocket 23 regulating interactions. This study highlights the importance of genome-wide association studies in understanding complex traits like flight, which involve numerous genes.
Researchers at Yale University have developed a method to recreate the earliest stages of cellular development, allowing scientists to track individual cell lineages. By analyzing tiny variations in skin cells' genomes, they can reconstruct the early lineage trees for each person, shedding light on human biology and potentially diagnos...
The 2021 INF Standards of Practice expanded its guidance on needleless connectors to include anti-reflux technology, which causes the least amount of blood reflux. Anti-reflux needleless connectors can prevent catheter occlusions, failure, and infections by automatically eliminating unintentional blood reflux.
Two regions of DNA required for proper MECP2 expression have been identified in mice and humans, which could lead to new treatments for Rett Syndrome and MECP2 Duplication Syndrome. These discoveries provide hope for future treatments targeting these DNA regions.
Researchers investigate fundamental aspects of topological semimetals, enabling access to matter's physics and attractive platforms for electronic devices. A new family of semimetals has sparked interest due to their potential to revolutionize technology.
A survey of English smokers found that ethnic minority groups were less likely to use e-cigarettes as a means of reducing cigarette consumption or during temporary abstinence. This disparity may contribute to the higher risk of smoking-related diseases among these groups, highlighting the need for targeted interventions.
A UCLA-led research team identified a chemical cocktail that enables large numbers of muscle stem cells to be produced within 10 days. The approach shows promise for improving muscle regeneration and could lead to the development of stem cell-based therapies for muscle loss or damage due to injury, age, or disease.
The University of Maryland has co-published the first full reference genome sequence for rye in Nature Genetics. This valuable resource will help improve grain yield, disease resistance, and temperature tolerance to increase climate resilience in grain crops.
A new study from the University of Illinois found that Illinois high school students who use opioids are also more likely to engage in other forms of substance misuse, have mental health concerns, and experience bullying. The researchers analyzed data from over 230,000 students and identified three main profiles of individuals reportin...
A study published in the Global Health Journal found that more fragile countries had lower cumulative incidence and fatality rates for COVID-19. The researchers identified three specific indicators - State Legitimacy, External Intervention, and Security Apparatus - that increased the impact of the pandemic. Economically developed count...
A pilot study published in EBioMedicine found that metformin can improve immune function and reduce viral reservoir size in people living with HIV. The drug, commonly used to treat type-2 diabetes, was well-tolerated by patients and showed beneficial biological effects on colon biopsies.
Researchers discovered a novel pathway linking T-lymphocyte extracellular vesicles loaded with microRNAs to increased osteoclast formation and bone erosion. The study suggests that these extracellular vesicles act as inflammatory mediators, inducing differentiation of osteoclasts via inhibition of cyclooxygenase 2.
China seeks to maintain economic growth by increasing its global presence, investing in infrastructure, and securing trade routes. In Africa, China has established itself as the largest trading partner, while in the Arctic, it is expanding its military presence and securing resources.
Researchers found that more than 50% of children in high-risk populations are not receiving behavioral health services. The study highlights the need for better identification and access to intervention resources, particularly for young Black children.
A study found no evidence of increased risk during the first wave of the UK pandemic, but small increased risks of infection and hospital admission in adults living with children. The researchers conclude that close monitoring will be crucial as schools reopen.
A new statistical model identifies potential superspreader cities by incorporating both connectivity between cities and their varying suitability for infection. The risk of a city becoming a superspreader increases with infection suitability only up to a certain extent, but risk increases indefinitely with increased connectivity.
Researchers have confirmed histoplasmosis, a fungal infection transmitted through bat and bird droppings, is now found in Alberta, extending its known range northwest from the central United States and southern Ontario. Locally-acquired cases were primarily found in rural areas in central Alberta.
Marine animals including green sea turtles, sharks, and penguins exhibit similar circling movements at constant speeds, defying efficiency. This behavior may aid navigation or detection of magnetic fields.
Researchers found that Amami tip-nosed frog altered its hind limb length in response to the invasive mongoose, with longer legs potentially aiding escape. The frog's endurance also increased under strong predation pressure from the mongoose, but not its burst movement ability.
Patients treated via mobile stroke units received clot-busting medications faster and more often, leading to significant improvements in recovery and reduced disability. The study found that one-third of patients were treated within an hour, with 53% making a complete recovery after three months.
Researchers developed a system using wireless sensing and artificial intelligence to detect medication errors. The system tracks patients' movements and alerts healthcare providers when necessary, potentially reducing hospital visits.
MCG faculty adapted traditional curriculum to provide an online Pandemic Medicine Elective, covering topics from SARS-CoV-2 to professional responsibility. Students logged over 6,000 service hours through projects like mask delivery and contact tracing.
Researchers suggest covering California's public water delivery canals with solar panels to reduce evaporation and increase renewable energy production. The study found that cable-supported installations showed a 20-50% higher net present value, indicating greater financial return on investment.
A new study from UC San Francisco found that tweets with the hashtag #chinesevirus were more likely to pair it with racist hashtags compared to those using #covid19. The study, published in the American Journal of Public Health, highlights the stigmatizing effect of naming a disease after a place or group.
Lockdowns in the US and Europe led to changes in Google Trends data for family-related searches, including weddings and contraception. Researchers analyzed these trends to better understand the impact of social distancing measures on individual behaviors.
A seroprevalence study of 9,542 residents in Wuhan found that 6.9% had COVID-19 antibodies, including 82% with asymptomatic infections. Neutralizing antibodies developed by 40%, remaining stable for at least 9 months.
Research suggests that contrast-enhanced mammography (CEM) is concordant with MRI for staging in women with newly diagnosed breast cancer and breast augmentation. CEM was found to be effective in detecting additional cancers not identified by MRI, including two malignant lesions.
An interdisciplinary research team at Kiel University has produced a highly conductive hydrogel that retains its elasticity, suitable for medical implants. The innovative production method uses graphene to achieve high electrical conductivity while maintaining the original mechanical properties.
A large-scale study in Denmark reveals that most people who have had COVID-19 are protected from catching it again for at least six months. However, elderly patients are more prone to reinfection, with only 47% protection against repeat infection compared to 80% for younger people.
Researchers at Baylor College of Medicine have identified 25 rare genetic variants associated with increased risk of lung cancer. These variants, which include insertions and deletions, lead to genomic instability and increase DNA damage, suggesting a potential role in cancer development.
A new study published in Journal of Clinical Oncology suggests that a lower dose of tamoxifen can reduce the risk of breast cancer while minimizing adverse reactions. The research involved 1,440 women who received different doses of the drug, with the lowest dose showing a significant reduction in mammographic density and side effects.
A cancer oncologist reflects on advising patients with cancer about travel during the pandemic. The author considers the importance of weighing the potential benefits of travel against the increased risk of complications.
A new study published in Global Biogeochemical Cycles provides estimates of the elusive component of the global carbon cycle. The researchers used two stable carbon isotopes to track carbon through different components of the cycle, finding much higher numbers for land-to-ocean carbon transfer
A study found that women with diabetes are less likely to use effective contraception after their diagnosis, contradicting the American Diabetes Association's recommendation. The researchers hope to improve comprehensive care for pregnant women with diabetes by providing full range of safe and effective contraceptive options.
A comprehensive Alpine-wide study published in The Cryosphere shows a significant decline in snow cover over the past five decades. Snow cover is unevenly distributed, with more significant decreases in the Southern Alps, while regional trends vary due to climate change.
The review paper highlights extinction risks of cycad species in U.S. controlled lands due to geopolitical boundaries. Coordinating conservation measures across multiple governments and countries is necessary to mitigate these risks.
A Finnish study analyzed the reproductive histories of women who moved from rural to urban areas during WWII and found that urban women were 15% less likely to reproduce than their rural counterparts. The study suggests that women may be delaying childbearing due to increased competition for spouses in urban environments.
Researchers at CUHK have developed a water-tube-based triboelectric nanogenerator (WT-TENG) for harnessing irregular and low-frequency environmental energy, such as ocean waves. The device generates high output volumetric charge density, reaching 9 mC/m3, and can be easily combined to create larger units for increased power generation.
A research team led by Brown University physicists has found that reducing the repulsive force between electrons in magic-angle graphene makes its superconducting state more robust. This discovery provides important insights into the system's behavior and is a significant step towards understanding unconventional superconductivity.
A study found that osteoporosis treatment is rarely prescribed to patients who break a hip, despite medical associations recommending evaluation and treatment. The study's lead author suggests that the diagnosis of osteoporosis is often overlooked, even in patients with disease-defining fractures.
Asymptomatic and presymptomatic COVID-19 cases pose significant risk of transmission due to unknown minimum infectious dose and limited data. Focusing on additive risk reduction through community-based infection prevention measures is crucial to combat pandemic spread.
Asymptomatic and pre-symptomatic transmission poses a significant challenge in controlling the COVID-19 pandemic. Experts warn that relying solely on vaccination is unlikely to be effective in preventing transmission, highlighting the need for robust surveillance measures.
Researchers studied the co-evolutionary relationship between wheat stripe rust fungus and its hosts, identifying evolutionarily conserved genes in barberry suggesting an earlier interaction. The work provides insights into the roles of barberry in wheat rust disease and sustainable control strategies.
Researchers found that anti-inflammatory therapies could be effective in preventing heart disease in people with clonal hematopoiesis, a common age-related blood condition. The study suggests that targeting the inflammasome may reduce cardiovascular risk and improve plaque stability.
CPS&C'2021 brings together researchers and practitioners from around the world to discuss cyber-physical systems and control. The conference features keynote and plenary talks, sessions, and discussions, with accepted full papers published in a Scopus-indexed book of Conference Proceedings.
The gut's immune system plays a critical role in regulating nutrient absorption and warding off toxic chemicals and life-threatening bacteria. Researchers found that gamma delta T cells suppress interleukin-22 expression, allowing for the activation of digestive enzymes and nutrient transporters.
An international study published in Affective Science found that Western countries are the most affected by parental burnout, with individualism playing a predominant role. The study suggests that collectivist cultures, like those in Africa, may protect against parental burnout due to their emphasis on community and mutual aid.
Scientists have developed a new material with faster and more efficient electrochromic properties than existing materials. The material, called Covalent Organic Frameworks (COFs), can be triggered by an applied electrical voltage, allowing for rapid color change and high sensitivity to electrochemical oxidation.
A new study finds that restaurants in urban areas of Central Africa are key drivers in keeping protected wildlife on the menu. The study reveals that procurement of wild meat by restaurants is more targeted than opportunistic, with monkeys identified as hot products.
Researchers at the University of Wisconsin-Madison have developed a new technique to target and destroy disease-causing proteins, which could lead to new drug treatments. By utilizing the cell's own recycling machinery, they aim to restore a healthy balance in cells.
Researchers discover juvenile snailfish exhibiting bright green and red biofluorescence in Arctic habitats, a rare occurrence. The finding provides insight into the function of fluorescence in marine species, shedding light on its potential role in communication and mating behaviors.
A study published in PLOS Neglected Tropical Diseases found that extreme climate events can increase Aedes aegypti populations in Kenya, but preventative measures may reduce dengue fever cases. The researchers monitored mosquito abundance and dengue infections in a cohort of children.
Researchers from Aarhus University found that harbor porpoises are drawn to decommissioned oil platforms in the North Sea, where they can find an abundance of fish and shelter. The installations act as artificial reefs, providing favorable living conditions for the whales.
Researchers found that a widely used technique for autism screening is being misused, leading to potential misdiagnoses. The University of Bath team calls for an urgent review and recommends using the correct cut-off score of '6 or above' instead of NICE's 'more than 6 out of 10'.
Bottlenose dolphins adapted to coastal construction by shifting feeding locations and behavior timings, but these changes persisted after construction. Human activities like dredging and pile driving cause significant stress and harm to marine wildlife, emphasizing the need for conservation policies.
A new study found that Transcendental Meditation significantly reduces PTSD symptom severity, depression, and anxiety in veterans. After three months, 50% of meditating veterans no longer met criteria for PTSD, compared to 10% of controls.
A recent study using tagging and mark-recapture methods found that Maryland's recreational blue crab harvest amounts to 11% of the total male commercial take, compared to the previous estimate of 8%. The study aimed to provide a more accurate picture of recreational crabbing in the state.
The Morris Animal Foundation is partnering with Elanco Animal Health to better understand the incidence and prevalence of osteoarthritis in dogs. The partnership involves Elanco sponsoring a new section of the owner and veterinarian questionnaires that directly evaluates signs of osteoarthritis.
Spirrow Therapeutics develops nanopolymer surfactant to restore lung function in patients with acute respiratory distress syndrome (ARDS), a condition that affects over 200,000 people annually. The startup aims to use its technology not only for ARDS but also to aid those infected with COVID-19.
Researchers used quantitative proteomics to stratify fibroepithelial breast lesions, identifying three candidate biomarkers: MUCL1, HTRA1, and VEGFD. These markers show promise in augmenting existing diagnosis and monitoring disease progression.
A study found that ticket inspections can lead to an increase in perceived dishonesty among passengers, causing them to claim ownership of lost money. This study suggests that more discreet and targeted inspections may be a more effective way to encourage honesty.
Researchers found that combining energy sources increases light emission from nanoscale devices, potentially enabling faster computer chips and advanced photocatalysts. The effect is attributed to the enhancement of hot electron generation through anti-Stokes electronic Raman scattering.
The American Academy of Sleep Medicine has announced its 2021 award recipients, recognizing excellence in clinical practice, research, education, and advocacy. M. Safwan Badr, Terri Weaver, Scott Williams, and Indira Gurubhagavatula are among those honored for their dedication to advancing sleep care and enhancing sleep health.
A recent study developed an AI-based system to predict optimal medication dosages for patients with kidney disease undergoing hemodialysis. The system achieved high prediction accuracy rates, providing clinically appropriate classifications at even higher rates.
Plasmonic tweezers facilitate trapping of micro- and nanostructures using hotspots smaller than the free-space wavelength, providing higher precision. The technique has expanded applications in fields such as biology, chemistry, and physics.
Scientists have discovered a lesser-known site on the pandemic coronavirus that is recognized by COVID-19 infection-fighting antibodies, which potently prevent the virus from infecting cells. These antibodies were found in blood samples from previously infected patients and were as strong as those targeting the receptor-binding domain.
Researchers have established a high-efficiency pulse compression method using optical solitons in periodic layered Kerr media, achieving >85% compression efficiency. This method has the potential to widely use ultrafast lasers in physics, chemistry, and biology labs with low cost and flexibility.
Researchers at the University of Ottawa have debunked the myth that metals are useless in photonics with their findings, recently published in Nature Communications. They demonstrated ultra-high-Q resonances in a metasurface comprised of metal nanoparticles embedded inside a flat glass substrate, showing metals can be useful in photonics.
Researchers found that dieting impairs the energy-producing machinery of fat tissue, resulting in rapid weight regain, whereas bariatric surgery improves mitochondrial function and reduces regaining weight. The study used transcriptomics analysis to examine the effects of dieting and surgery on adipose tissue mitochondria.
A multidisciplinary team of researchers has developed a new class of material with the potential to keep chips cool as they shrink in size, helping to meet the requirements of miniaturizing transistors on dense chips. The material has both low electrical conductivity and high heat transfer capability.
A large-scale study of 630,000 patients found significant disparities in COVID-19 outcomes between White and non-White minority groups. Hispanic patients were more likely to test positive and experience severe symptoms despite younger age.
Researchers at St. Jude Children's Research Hospital discovered three molecular groups of ATRT with varying clinical outcomes, highlighting the importance of age and metastasis in prognosis and treatment planning. The study sheds light on the biology of this disease and provides valuable insights for developing targeted therapies.
A study found that infected dogs emit an odor attractive to female sand flies, which transmit Leishmania infantum, the parasite causing visceral leishmaniasis. The researchers suggest parasites manipulate their host's scent to improve transmission opportunities.
A psychology study found that practicing self-compassion can alleviate the negative effects of work loneliness, a common issue during the COVID-19 pandemic. Researchers discovered that employees who exhibited higher levels of self-compassion experienced fewer depressive symptoms but also took less time off to recharge.
A pilot clinical trial found that progesterone injections improved lung function and reduced disease severity in male patients hospitalized with moderate to severe COVID-19. The study suggests a potential protective effect of female hormones against the disease.
A study of over 150,000 respondents found that COVID-19 denial depends on people's trust in social institutions, particularly healthcare systems. EU countries demonstrate varying levels of stress and trust in governments, with some showing high levels of stress and others trusting their governments more than other institutions.
A new study reveals that marine heatwaves are devastating the function of coraligen habitats in the Mediterranean, leading to a loss of structural complexity and essential ecosystem services. The impact is particularly severe for gorgonian corals, which provide shelter for over 1600 species.
Researchers confirm vertical COVID-19 transmission in pregnant woman, resulting in fetal complications and death. The study's proteomics method detects SARS-CoV-2 proteins in infected placenta for the first time.
Researchers employed nanoparticles-based delivery systems to deliver AMPs for treating deep infections. Intelligent nanocarriers can achieve selective activation and target at infection sites, improving therapeutic efficacy against bacterial infections and reducing toxicity.
A camera-trap study found that black bears are adept at finding and stealing the remains of adult deer killed by pumas. This 'kleptoparasitism' reduces the calories pumas consume, causing them to hunt more often and eat smaller prey when bears are not active.
University of Sheffield researchers develop novel natural language processing methods to make supplier information accessible to NHS staff, reducing future shortages during national crises. The platform will provide real-time risk ratings and diversify the NHS supply base.
Researchers detect over a dozen unexpected molecules in Taurus Molecular Cloud, revealing complex chemistry in interstellar space. The discovery sheds light on the formation of polycyclic aromatic hydrocarbons and their potential impact on asteroid composition and planet formation.
A study by Columbia University Mailman School of Public Health found a high global prevalence of both depression and anxiety during the COVID-19 pandemic, with Asia presenting lower levels. Public transportation closures increased anxiety globally, especially in Europe.
Rye's complex genome has been fully sequenced, revealing a diverse wild gene pool that holds promise for breeding. The research team hopes to transfer beneficial traits from rye to wheat without affecting baking properties.
Wild bonobos have been observed adopting infants from different social groups, providing maternal care, including nursing and nesting. The findings suggest that adoption in bonobos may not be limited to kin relationships or pre-existing social bonds.
Researchers have developed a new CAR T cell engineering technique that allows for the targeting of solid tumors without harming healthy cells. The technique uses ultrasensitive identification of HER2 protein on tumor cells and has shown promise in treating ovarian cancer.
A systematic review and meta-analysis found that Ivermectin is as safe and well-tolerated in children under 15kg as it is in heavier individuals. The study suggests that millions of young children are denied access to treatment due to outdated safety data, highlighting the need for equitable access to Ivermectin.
A study led by McMaster University aims to understand how well vaccination works in residents of long-term care homes and identify factors linked to outbreaks. The research, involving over 2,000 participants, will inform health policy and help keep residents safe and healthy.
Researchers discovered pancreatic cancer cells employ macropinocytosis, a novel pathway to procure nutrients when autophagy is inhibited, enabling them to thrive despite starvation. A combination of autophagy and macropinocytosis inhibitors resulted in rapid tumor regression in mouse models.
A study by researchers from the University of Queensland found that schizophrenia and personality disorders were the most disabling mental health conditions. The study used a new method to measure disability, known as the Health Loss Proportion (HeLP), which takes comorbidities into account.
Researchers examine the biographical information of individual heritage language speakers, highlighting the significance they place on their language in everyday life. The study sheds light on the maintenance and revitalization of minority cultures through the personal experiences of indigenous activists.
Researchers at UCM identify low plasma levels of protein TGFB1 and polymorphisms in the gene as biomarkers for poor prognosis in gastric adenocarcinoma. These variants are associated with higher mortality rates and increased risk of developing stomach tumors.
The HAWC Observatory has detected photons with energies of up to 200 TeV, a hundred trillion times greater than visible light. The source of these high-energy photons was identified as a nearby cloud of interstellar material surrounding a young star cluster.
Researchers used ship movement data to estimate wave conditions in real time, without extra costs for measurement instruments. The approach combines cause-and-effect calculations with ship geometry and dynamic motions.
Research reveals that nitric oxide produced by the human immune system can render aminoglycoside antibiotics ineffective against E. coli strains from human infections. This may impact treatment choices for life-threatening infections such as sepsis, bladder infections, and kidney failure.