Researchers have discovered that jellyfish use stem-like proliferative cells to form a blastema, which helps regenerate functional tissue across the missing appendage. This study provides insight into the mechanism of blastema formation and may improve our own regenerative abilities.
A study led by Alexander Testa and Jack Tsai found a significant association between loneliness and recent firearm acquisition among low-income US veterans. Loneliness was measured on a scale of zero to six, with 13.7% of those scoring six having purchased a new firearm in the past year.
Researchers developed 3D-printed flat-bone-mimetic bioceramic scaffolds to restore critical-sized cranial defects. The scaffolds, inspired by human cranial bones, promoted in vitro cell proliferation, osteogenic differentiation, and angiogenic activities.
A new study from the University of Pennsylvania School of Medicine found that mailing signed orders to patients with cirrhosis led to a significant increase in liver cancer screenings. The study involved over 500 patients and showed that 55% completed their screening within six months, compared to just 27% in the control group.
A team of researchers from Portugal used the ESPRESSO spectrograph to measure wind speeds on Jupiter, confirming the feasibility of Doppler velocimetry for monitoring the planet's atmospheric winds. The study also gathered historical data to compare results and validate the method.
A study found strong connections between vaccine hesitancy and support for vaccinating pets, highlighting the need for improved attitudes on vaccination rates. Pet owners with higher confidence in vaccine safety and efficacy showed lower levels of vaccine hesitancy.
A study by McGill University researchers found that people with symptomatic H. pylori infection have an 11% higher risk of developing Alzheimer's disease. The findings suggest a potential role for the bacterium in the development of the disease, opening avenues for future research and possible prevention strategies.
A study found that younger children trust an inaccurate human informant more than an inaccurate robot informant, while older kids distrust both. Children's selective trust strategies evolve as they get older.
Scientists have successfully observed the anisotropic magneto-Thomson effect in magnetic materials, where heat absorption/release changes depending on magnetization direction. This discovery could lead to new functionalities for controlling thermal energy using magnetism.
Researchers at Columbia University paired laser light with crystal lattice vibrations to boost the nonlinear optical properties of hexagonal boron nitride (hBN), a stable 2D material. The team achieved over a 30-fold increase in third-harmonic generation, generating new frequencies and efficiently producing optical signals.
A new study published in Nature Human Behaviour found that the colour of light has a limited impact on the human internal clock and sleep. The researchers exposed volunteers to different coloured lights, including blueish and yellowish lights, to determine their effect on the body.
Researchers found that reindeer spend more time ruminating and less time in non-REM sleep, suggesting a possible restorative function of rumination. The study suggests that reindeer may be able to save time by resting during rumination, allowing them to cope with limited sleep time during the arctic summer.
A Texas A&M University-led collaboration has developed new polymers capable of killing bacteria without inducing antibiotic resistance by disrupting their membrane. The researchers tested their polymers against two main types of antibiotic-resistant bacteria, including E. coli and Staphylococcus aureus (MRSA), with promising results.
Researchers at Göttingen and Warwick Universities studied the structure and mechanics of cytoskeletal networks composed of actin isoforms. The study found that gamma actin forms rigid networks near the cell apex, while beta actin preferentially forms parallel bundles with distinct organizational patterns.
Researchers developed a novel phase imaging technique using intensity correlation measurements that is immune to phase instability. This method can capture high-resolution images of transparent and optically thin samples, such as cell cultures, with improved accuracy.
Researchers found that live Christmas trees emit monoterpenes, which can react with ozone and form new compounds like formaldehyde. The concentration of VOCs decreases over time, but can still impact people sensitive to them.
Researchers discovered that microglia regulate neuronal activity in a brain region-specific manner, playing a key role in how anesthesia works. Microglia depletion delayed induction and led to early emergence of anesthesia.
Researchers at Osaka Metropolitan University found that increasing walking by over 70% reduces medical costs for lifestyle-related diseases, even during the COVID-19 pandemic. Public transit use also decreases medical costs, with a higher effect in metropolitan prefectures.
A study by the University of Gothenburg found that maintaining aerobic fitness is linked to a 7-14% lower risk of hospitalizations for any reason. Increased fitness also reduces hospital admissions due to cardiovascular disease. The findings suggest potential benefits for individual health and healthcare costs.
Researchers at Brigham and Women's Hospital have developed a pill-size device called VIBE that creates the sensation of fullness by stimulating vagal nerve receptors when it comes into contact with gastric fluid. The device reduced food intake by an average of 31% in swine, and its effects were sustained for 30 minutes.
Recent studies published in the Tuberculosis journal reveal the earliest confirmed presence of tuberculosis' causative agents in human remains, pushing the timeline back by tens of thousands of years. Researchers have also discovered evidence of TB infection in Neanderthal specimens from Hungary, dating back over 32,000 years.
A study published in PAIN found that exposure-based CBT and traditional CBT are equally effective in reducing symptoms of fibromyalgia. The study involved 274 participants with fibromyalgia and showed significant reductions in symptoms and functional impairment after 10-week treatment.
The researchers designed a capsule about the size of a multivitamin, powered by a small battery, which vibrates to activate mechanoreceptors in the stomach. This activation stimulates hormone release patterns similar to those following a meal, reducing food intake and slowing weight gain by 40 percent.
The study analyzed 16 years of data from the American Board of Plastic Surgery and found an increased rate of outpatient abdominoplasty without overnight hospital stays. Concomitant liposuction was also more commonly performed in recent years. Despite changes, abdominoplasty remains a safe and reliable procedure.
Researchers at Kyoto University analyzed queries on Yahoo! Chiebukuro and found that users were seeking information on overdosing from OTCs to alleviate physical pain or experience psychosomatic changes. The study highlights the need for reliable information on OTC abuse to be effectively disseminated.
A new study found that COVID-19 infection can lead to persistent brain injury markers in the blood even months after recovery from hospitalization. Patients with neurological complications during the acute phase of the illness showed robust biomarker evidence of ongoing neuroglial injury.
Researchers have discovered a way to predict which individuals will respond to blood pressure treatments that lower sodium in the body. This breakthrough could lead to a 25% reduction in hypertension prevalence, resulting in significant cost savings for the Australian government.
Researchers developed a new computational tool, WEST-TDDFT, to study the behavior of atoms in quantum materials when absorbing and emitting light. The tool enables scientists to analyze larger systems, leading to potential breakthroughs in quantum technologies and material engineering.
Scientists at Osaka Metropolitan University have developed a non-invasive, pain-free method to reprogram canine stem cells from urine samples, creating induced pluripotent stem cells (iPSCs) without feeder cells. This breakthrough aims to advance veterinary regenerative treatment and genetic disease research.
A team of scientists from Ruhr-University Bochum and the Fraunhofer Institute has developed a novel catalyst system for converting carbon dioxide into raw materials. The system, which uses homogeneous electrocatalysts, can efficiently convert CO2 under industrial conditions and maintains stability over 100 hours without decay.
Researchers at KIMM develop a real-time and multimodal tactile perception system capable of detecting various types of tactile stimuli in real-time. The system consists of four three-dimensionally stacked tactile sensors and has successfully distinguished between different surface textures and complex motion.
New research reveals that exposing men to women's emotional tears can lower aggression and reduce revenge-seeking behavior. The study found that sniffing tears leads to reduced brain activity related to aggression, resulting in less aggressive behavior.
Researchers propose integrating smart-city technologies to boost flood resilience in coastal cities. They argue that emerging technologies like IoT, 5G, and big data can enable real-time data collection, analysis, and decision-making, leading to more responsive and resilient urban environments.
A study predicts tecovirimat administration impacts time to viral clearance in mpox patients, combining pre-clinical and clinical data. Early tecovirimat treatment shortens the time to mpox clearance in a human infection model.
Research reveals that less than half of patients with malignant ureteral obstruction receive palliative care, highlighting the need for early referral to promote patient comfort and avoid invasive treatments. Hospice care significantly reduces high healthcare use at end-of-life.
Researchers have developed a solid electrolyte that allows for efficient hydride ion conduction at room temperature, enabling the creation of safer, more efficient hydrogen-based batteries and fuel cells. This breakthrough provides material design guidelines for the development of next-generation energy storage solutions.
Mayo Clinic researchers used genetic sequencing to study the measles virus's spread in a human brain. The study found that the virus acquired distinct mutations that drove its spread from the frontal cortex outward. This knowledge may help develop effective antiviral drugs to combat SSPE, a rare and lethal brain disease caused by measles.
A new study found that light physical activity can completely reverse the adverse process of childhood obesity linked to sedentary time. Children who engaged in at least 3 hours a day of light physical activity had a 9.5-15% decrease in overall fat mass gain during adolescence.
A recent study found that doxycycline prophylaxis did not prevent bacterial sexually transmitted infections (STIs) among cisgender women, despite being prescribed to 18% of participants. The study also revealed high rates of antibiotic-resistant gonorrhea, which may be due to low adherence and limited treatment options.
A new study led by the Smithsonian identifies five new species of soft-furred hedgehogs from Southeast Asia, using DNA analysis and physical characteristics. The two new species, Hylomys vorax and H. macarong, are endemic to the endangered Leuser ecosystem in North Sumatra and Southern Vietnam.
Researchers have made significant progress in understanding the enzyme SMYD3's involvement in prostate cancer's progression to a more aggressive stage. The study found that adding methyl groups to the MAP kinase protein is likely SMYD3's role in driving metastasis, and compounds that can inactivate SMYD3 are already available
Researchers have discovered that insect larvae already used various anti-predator strategies, such as spines, hairs, and camouflage, in the Cretaceous period. These findings provide insights into the evolution of defense mechanisms in insects and shed light on the ongoing biodiversity crisis.
Kobe University researchers have developed a pancake stack of films on a balloon that takes the world's most accurate picture of a neutron star's gamma ray beam. The setup uses a novel, automated data capture and analysis process to track the trajectory of particles produced by gamma rays, achieving an accuracy of 1/10,000 millimeters.
A new report by UCLA neurologist Dr. Indu Subramanian recommends that doctors delivering Parkinson's diagnoses use correct terminology and provide guidance on treatment options, lifestyle choices, and coping strategies to give patients hope and agency.
Researchers at KAIST have developed a micro-vacuum assisted selective transfer printing (µVAST) technology to improve the transfer of microLED chips. The technology uses laser-induced etching to create micro-hole arrays on glass substrates, allowing for precise alignment and higher adhesion switchability.
A new study reveals that perfluoroalkyl acids (PFAAs) significantly expedite the enzymatic degradation of DNA, even at low concentrations. The findings have critical implications for understanding the ecological risks posed by PFAAs and highlight the urgent need for more comprehensive environmental monitoring.
Researchers at NIMS and L'Oréal K.K. create a new hairstyling agent that resists humidity, using hydrogen bonding between PVA and cellulose microcrystals to maintain hair shape in high humidity conditions.
Jujube witches' broom disease is a fruit tree disease caused by phytoplasma, leading to altered plant development and severe yield loss. The review highlights the importance of understanding the interaction between phytoplasma effectors and plant target proteins to develop effective prevention and cure strategies.
Researchers investigated cognitive fatigue across multiple sclerosis, traumatic brain injury, and controls using two tasks, finding that fatigue was consistent across participants regardless of task. Cognitive fatigue correlated with longer response times and activation in the caudate nucleus and thalamus.
A new study from the University of Gothenburg reveals that night owls are more likely to develop artery calcification than early risers. The research, which examined data from over 771 middle-aged participants, suggests that circadian rhythms play a crucial role in cardiovascular disease.
Researchers used ALMA to study the motion of gas in ancient spiral galaxy BRI 1335-0417, detecting seismic waves that reveal the galaxy's dynamic growth. The findings suggest that gas was streaming into the galaxy or colliding with smaller galaxies, fueling star formation at a rate hundreds of times faster than modern galaxies.
A new Simon Fraser University-led study tracks 100 years of salmon growth and finds that juvenile salmon are growing larger due to climate change. The study suggests maintaining freshwater habitats can help salmon adapt to warming temperatures, with relatively deep lakes becoming more important.
The study uses genetic analysis of an Antarctic octopus to suggest the West Antarctic Ice Sheet (WAIS) collapsed during the Last Interglacial period. This collapse could have devastating global ramifications, including a 3-5 meter rise in sea levels.
Researchers analyzed animal remains and isotopes to understand livestock practices in high mountain regions during the Early Neolithic. The study found that flocks were small and used for meat and milk production, with pigs gaining economic importance during this period.
A new supplement in JCEHP examines conceptual shifts in continuing professional development, proposing a person-focused, practice-informed approach that considers context, subjectification, and socio-material dimensions. This approach aims to generate meaningful advancements and transform the health professional-as-a-person.
Scientists at St. Jude Children's Research Hospital have determined the complex structure of Parkinson’s disease-related proteins LRRK2 and Rab29, revealing how they work synergistically to cause the disease. The structures provide an atomic-scale map to trace how different mutations affect function within this complex, with implicatio...
Chicken sperm can retain fertility and viability for up to three weeks after refrigeration, making it unsuitable for traditional cryopreservation methods. The study found that removing calcium ions impacts energy metabolism dynamics, inducing a physiological dormancy-like state in the sperm cells.
Scientists unravel DnaA's role in DNA replication initiation, shedding light on bacterial cell growth and reproduction. The discovery reveals a previously unknown binding pocket within DnaA, enabling the capture of single DNA strands.
The study found that digital payments and Bitcoin use declined after its introduction as legal tender, with the wealthy and financially literate being the primary users. The findings suggest that policies incentivizing cryptocurrency adoption may not be effective unless populations trust digital currencies.
Researchers analyzed over 26,000 farmer's market transactions to find that sales were better on Sundays, early in the morning, and during certain holiday months. The study provides insights into how farmers can increase their sales using point-of-sale data analysis.