A randomized controlled trial found that higher daily doses of rifampin killed more TB bacteria in sputum cultures without increasing adverse effects. The study also showed that higher doses resulted in increased elimination rates of TB bacteria from sputum.
The regional climate modeling community has made significant progress in developing regional earth system models (RESMs), which account for the atmosphere, ocean, land, sea ice, and other key components. Researchers highlight the need for further development, including the inclusion of human factors and interactive biosphere elements.
The Massachusetts Medical Device Development Center has received a $500,000 grant from BARDA to help startups develop cures for pandemic flu and sepsis. Two startups already working with M2D2 plan to join the new network.
A new computational method, MACHINA, has been developed to track the spread of cancer cells from one part of the body to another. The algorithm integrates DNA sequence data with information on where cells are located in the body, yielding a clearer picture of cancer migration histories than previous studies.
A new study found that viruses are the most common cause of meningitis in adults and diagnosis is often delayed due to unnecessary brain scans. This can lead to inappropriate use of antibiotics and prolonged hospital stays. Prompt investigation with a lumbar puncture can help identify the specific virus or bacteria causing the illness.
Researchers used the Pirka Telescope to observe Phaethon's reflected light polarization at various angles, revealing strongly polarized light that challenges previous assumptions. The findings suggest that Phaethon's surface may be darker than expected, potentially due to a lower albedo or larger grains on its surface.
Researchers found that amputees who used sensory-enabled prostheses reported greater psychosocial well-being and confidence in using their hands for daily tasks. The study, led by Case Western Reserve University, demonstrates the significant positive impact of sensory feedback on improving amputees' quality of life.
A large-scale study examines giant panda habitat use trends and changing threats to their survival, providing scientific evidence of conservation success. However, emerging new threats such as livestock and human disturbance are offsetting gains, highlighting the need for continued protections and adaptive management.
Jaideep Singh, an MSU assistant professor, received funding for his proposal to search for time-reversal violation using optically addressable nuclei in cryogenic solids. The award will accelerate his research program by about 15 years, recognizing the world-class scientific support at FRIB.
Researchers used molecular dynamics to study the role of nitrogen in GaN defects. They found that nitrogen configurations exhibited significantly more states in the bandgap, potentially contributing to dislocation-related effects. This discovery could lead to optimizing GaN material for improved device performance
Twelve scientists were recognized with prestigious ASBMB awards, including the ASBMB Award for Exemplary Contributions to Education, ASBMB-Merck Award, and Earl and Thressa Stadtman Scholar Award. The winners are known for their groundbreaking research in biochemistry and molecular biology.
A new study using fruit flies identifies complex gene interactions underlying a common cause of autism. The research reveals that multiple genes interact to modulate variable symptoms, challenging the traditional single-gene approach.
Researchers have discovered peptides that can inhibit autophagy in living animals, providing a promising treatment against various diseases. The peptides are derived from giant ankyrins and can be used to occlude autophagy spatiotemporally.
The MDI Biological Laboratory has received a five-year, $12 million NIH Center of Biomedical Research Excellence (COBRE) grant to support its regenerative biology research. The funding will accelerate efforts to develop new drugs for tissue regeneration and extend healthy lifespan.
A new study from the University of Eastern Finland found that self-monitoring of type 2 diabetes can reduce healthcare costs by nearly 60% by replacing follow-up visits with electronic feedback. This results in significant savings on travel and healthcare costs, particularly in sparsely populated areas.
A new hybrid catalyst made of iron and dinickel phosphides on commercially available nickel foam can produce both hydrogen and oxygen from water, reducing energy requirements and costs. This breakthrough could lead to a significant increase in the production of clean energy from hydrogen.
The Endocrine Society's Clinical Practice Guideline recommends long-term screening for growth disorders and pituitary hormone deficiencies in childhood cancer survivors who underwent radiation therapy. The guideline aims to detect endocrine disorders early and provide optimal patient care for this vulnerable population.
The study found that cultural diversity is beneficial for team performance in eSports, while language and experience diversity have negative effects. Teams with representatives from different countries tend to perform better and earn more prize money.
Heavy rainfall was observed in Tropical Storm Prapiroon's southwestern side, with precipitation rates exceeding 192 mm/hour. The storm is expected to intensify into a typhoon and make landfall in South Korea.
A recent study found that most adolescents with gynecomastia do not require routine endocrinology assessment and hormone laboratory testing. Most cases of gynecomastia can be identified without such testing, according to the study.
A study on ring-tailed lemurs found that physical injury alters their natural scents, making them detectable to others. This change in scent allows males to detect weakness and aggression from injured peers, leading to more competitive behavior.
Researchers have identified TLK2 enzyme as a key player in several diseases, including breast cancer and intellectual disability. The study suggests that inhibiting the enzyme may be an effective therapy approach.
A new study in The Lancet Infectious Diseases journal reveals substantial delays in diagnosing viral meningitis, leading to unnecessary treatments and longer hospital stays. Patients with viral meningitis often experience prolonged recovery periods, including memory and mental health problems.
Astronomers have directly observed the magnetism in Supernova 1987A, a dying star that appeared thirty years ago. The detection reveals a degree of order in the magnetic field, contrary to chaotic expectations.
A new study from the University of Eastern Finland found that adolescent drinking is associated with changes in metabolite profiles, which can lead to reduced brain grey matter volume. Heavy-drinking adolescents showed increased concentrations of 1-methylhistamine, linked to decreased brain grey matter volume.
The University of Surrey's Advanced Technology Institute has created a new technique to reduce energy loss in perovskite solar cells, increasing voltage and efficiency. The Solution-Process Secondary growth (SSG) method achieved a PCE of 20.9%, the highest certified for inverted cells.
A Vanderbilt University Medical Center study found that deep brain stimulation (DBS) therapy can slow the progression of tremor in early-stage Parkinson's disease patients. DBS applied in early-stage Parkinson's disease may slow the progression of tremor, a finding that suggests potential for new treatment options.
Tropical Storm Emilia is intensifying due to strong uplift, as indicated by NASA infrared satellite imagery showing very cold cloud top temperatures. The storm strengthened over the past two days, with maximum sustained winds near 60 mph and higher gusts.
Researchers found that fibroblast growth factor 2 (FGF2) promotes sperm production by expanding a subset of spermatogonial stem cells. FGF2 also acts on the testicular microenvironment to facilitate retinoic acid action, revealing its novel function in mouse testis.
Researchers found that even extremely low doses of an endocrine disruptor caused epigenetic changes in a pregnant sow's DNA and its offspring. The study suggests that humans may also be affected by such chemicals, leading to a re-assessment of acceptable daily intake values.
A pilot study found nearly half of ED-arrival mothers screened positive for PPD, highlighting the need for routine screening in emergency departments. Interventions improved mental health outcomes and family support, with many participants thanking healthcare providers for follow-up care.
An expert panel found that only one (SCN5A) of the 21 genes typically included on a BrS genetic test has a definitive disease association. The panel disputed the associations with 20 other genes, which could lead to undue harm in patients and family members.
The BioMaker Lab at the University of Illinois will accelerate research on advanced biological materials, providing state-of-the-art tools for characterization and fabrication. The lab is expected to drive innovation in biomedical technologies and empower students with top-notch educational opportunities.
Researchers at the University of Exeter and the Met Office warn that climate models are underestimating the effects of rising CO2 levels. They found that CO2 concentrations could reach up to 765ppm before a 1.5°C warming threshold is reached, affecting ecosystems, crop yields, and ocean acidification.
A team of researchers at Penn State has developed a cold sintering process to create nanocomposites of ceramics and 2D materials, known as MXenes. This innovation enables the production of high-performance materials with potential applications in solid-state batteries, thermoelectrics, and more.
A simple sampling method using swabs from environmental surfaces has been shown to detect viral genetic material in foot and mouth disease outbreaks. This method can be easily performed by smallholder farmers without clinical expertise, providing an effective tool for early detection.
Researchers at the University of Texas Medical Branch developed a treatment that reduces drug-seeking behaviors in rats by restoring serotonin signaling. This finding offers new hope for treating drug addiction and related health issues such as depression and schizophrenia.
Princeton researchers found that cells repairing DNA damaged by antibiotics before resuming growth had a better chance of surviving treatment. Cells that make repairs before resuming growth are generally the ones that survive as persisters.
A new study by MIT economists challenges the idea that most Medicare spending goes to patients who are unlikely to survive. The research found that less than 5% of Medicare spending is allocated to the top percentile of high-risk patients, with a predicted one-year mortality rate of just 46%.
Researchers at Sandia National Laboratories have developed a tiny synthetic material that can mix two laser pulses to produce 11 new colors, offering potential applications in fields such as archaeology, extraterrestrial life detection, and fiber-optics communication. The metamaterial's efficiency is currently low, but further work aim...
A novel online HIV prevention program has reduced sexually transmitted infections in gay young men by 40 percent, reports a Northwestern Medicine study. The program, Keep It Up!, weaves HIV prevention information into the typical experiences of young gay men, targeting settings such as dating and starting new relationships.
This review discusses immune-suppressive mechanisms in oral cancer, including regulatory T cells, myeloid-derived suppressor cells, and cancer-associated fibroblasts. The complexity of these mechanisms is explored, with a focus on identifying potential therapeutic targets for oral squamous cell carcinoma development.
A series of experiments by David Levari et al. shows that people perceive threatening stimuli as abundant even when they are decreasing in reality. This perception bias affects important decisions, such as those made by police officers or research ethics board members.
The project aims to develop a new software system for spectral analysis of complex astrophysical objects. The team plans to use this software to model various objects such as single stars and double star systems with relativistic sources of hard radiation.
The study uses DNA sequence data to analyze the evolution of testes in mammals, finding that African species lack the testicular descent process due to non-functional genes. This suggests that the testicular descent process was ancestral and lost in these species.
A recent study reveals that giant panda conservation provides significant ecosystem services, including provisioning, regulation, and cultural benefits, worth ~ $2.6-6.9 billion annually. The cost-benefit ratio is approximately 10-27 times the conservation investment, highlighting the value of investing in panda conservation.
MIT engineers developed a simple, low-cost passive prosthetic foot that can be tailored to an individual's body weight and size, allowing for a more natural gait. The custom-designed prostheses use a design framework that predicts a user's biomechanical performance based on the mechanical design of the prosthetic foot.
A team at TU Wien has uncovered the mystery behind water molecule structures on iron oxide surfaces, revealing complex bridge-like structures that play a significant role in chemical reactions. These findings have wide-ranging implications for processes such as corrosion and catalyst function, and pave the way for further research into...
Researchers link abnormal TOR activity to oxidative stress and degeneration in both muscle cells and neurons. This discovery has broad implications for understanding diseases such as Alzheimer's, cancer, and HSP, and may lead to new therapeutic targets.
A recent study at Boston Children's Hospital found that parents of children with learning disabilities experience significantly more stress and anxiety related to academics, affecting their quality of life. The study reveals a dramatic difference in the impact on families compared to general education groups.
A Penn Medicine team discovered that tumor heterogeneity, regulated by genes specific to each tumor, determines whether a tumor is hot or cold. This understanding could help oncologists tailor treatments to a patient's unique tumor composition.
Researchers have discovered volcanic activity beneath the West Antarctic Ice Sheet, which could impact ice-sheet melting and sea level rise. The finding suggests that terrestrial ice on the continent may be more resilient to current carbon-dioxide levels than previously thought.
FoodSwitch, a new mobile app, uses crowdsourced data to rate the nutritional value of packaged foods and suggest better alternatives. Users can scan barcodes, compare products, and contribute to the database, helping track the global food supply's healthiness.
A new species of sheet-web-building spider, Islandiana lewisi, has been discovered in a southern Indiana cave. The tiny spider is thought to feed on small arthropods and is the fifth known species to live exclusively in caves.
Researchers have developed a new approach to invisibility cloaking based on manipulating light frequency, making objects invisible under broadband illumination. This technology could be used for secure data transmissions, sensing, and telecommunications.
A Northwestern University study found that climate change can push mason bees to their physiological limits, leading to high mortality rates and potentially driving local extinction. Bees in warmer environments emerged later, had smaller bodies, and lower body fat, making it harder for them to reproduce.
A study of over 2,500 adults found that visual impairment is strongly associated with cognitive decline. Maintaining good vision through prevention and treatment may help reduce age-related cognitive changes.
Researchers discovered that biological soil crusts, composed of microorganisms thriving in extreme conditions, may have contributed significantly to establishing the nitrogen cycle essential for life. This new understanding shifts the focus from oceanic microbes and provides a fresh perspective on the early Earth's history.
Researchers at Brigham and Women's Hospital developed a rapid, deployable, low-cost diagnostic test for Zika using mobile health technologies, targeting resource-limited settings and home testing for couples trying to conceive
A new clinical trial tests a medication blocking ghrelin levels in patients with alcohol use disorder. Researchers found a statistically significant reduction in craving and food cravings in 12 patient volunteers. The study aims to further assess the drug's efficacy in a larger placebo-controlled trial.