Astronomers studying the aftermath of a distant neutron-star merger are puzzled by the continued brightening of its afterglow, which defies initial expectations. New X-ray observations suggest a more complex emission process, potentially involving a hot 'cocoon' around a jet that shock-heated surrounding debris.
A new data mining methodology developed by Georgia Tech scientists can analyze millions of climate data points without relying on human expertise. The approach breaks down complex models into simpler components, allowing for more robust and transparent results in climate science research.
A team of researchers has described atom-by-atom changes in a family of proteins linked to amyotrophic lateral sclerosis (ALS), a group of brain disorders. The study suggests that small chemical changes can lead to big changes in assembly and disease-associated aggregation, offering new insights into disease mechanisms.
The American Psychological Association has released new Journal Article Reporting Standards for researchers seeking to publish in scholarly journals. The standards aim to enhance the assessment of methodological integrity and provide guidelines on information needed to ensure comprehensibility and replicability. These updates are expec...
A Finnish study found that statin medication reduces risk of repeated surgery after vitrectomy for retinal detachment, likely due to reduced inflammation and scar tissue formation. Statins show promise in preventing scar tissue in eye health, but further research is needed.
Researchers identified two new breast cancer genes MSH6 and PMS2, associated with a doubled risk of developing breast cancer by age 60. The study suggests expanding genetic screening for these genes in women with Lynch syndrome.
According to a new Penn study, most Americans averaged an extra 7.5 hours of sleep each year between 2003 and 2016. The increase in sleep duration was mostly due to respondents turning in earlier at night and getting up later in the morning.
New research shows that babies' babbling has a significant impact on their language development, with mothers responding more often to speech-like sounds. The study found that infants who babble more effectively learn words and vocabulary earlier in life, highlighting the importance of social feedback in language acquisition.
A recent study by USAMRIID and collaborators found that the monkeypox virus outbreak in Nigeria likely originated from a local source, with one of the earliest cases dating back to 1971. The findings highlight the importance of local surveillance for early detection of viral spillovers.
A comprehensive data analysis found no significant effect of 100% fruit juice on fasting blood glucose, insulin resistance, or glycemic control. The study supports previous research indicating that 100% fruit juice is not linked to an increased risk of Type 2 Diabetes.
Aalto University researchers have developed a new work model that allocates caregivers to a shared pool, reducing the need for temporary agency staff by up to 60%. This approach has improved home care services and reduced carers' workload, enabling them to better respond to clients' needs.
A study by the University of Alberta found that reimbursing ranchers for livestock killed by predators supports conservation efforts. The compensation program helps maintain wildlife habitats on private lands, with a notable increase in claims due to rising wolf populations.
Researchers at Oregon State University developed a new 'Buck' naked barley variety with high yields and nutrition, making it suitable for human consumption, animal feed and brewing. The barley's unique characteristics enable it to thrive with less fertilizer and water.
A study found an inverse correlation between waist circumference and fitness, suggesting that high fitness levels can reduce abdominal fat mass and low-grade inflammation. The researchers analyzed data from 10,976 individuals and found that higher fitness was associated with smaller waist circumferences and lower inflammation levels.
The study reveals how fibroblast growth factor 23 (FGF23) signals to cells through its receptor and alpha-Klotho, reversing previous conjecture on alpha-Klotho's anti-aging role. The findings also shed light on kidney disease leading to heart hypertrophy.
The Kessler Foundation has been awarded a major federal grant to train doctoral-level rehabilitation researchers in partnership with Rutgers University. The five-year grant aims to improve overall health and function of individuals with neuromuscular and musculoskeletal diseases and injuries.
The new technique enables the creation of microstructures with high resolution, potentially paving the way for endoscopic printing in people. Researchers are working to develop biocompatible photopolymers and a compact delivery system before the technique can be used clinically.
A new study published in the Journal of General Internal Medicine found that implementing a default option for lower opioid tablet quantities in electronic medical records increased compliance with prescribing guidelines, resulting in fewer prescriptions written for larger quantities.
Researchers will test the quantum superposition principle (QSP) in a microscopic system, exploring its validity at larger scales. If successful, this could lead to robust quantum technology for daily applications, enabling faster data processing and transmission.
A study published in Immunity reveals that the immunomodulatory cytokine IL-23's pro-inflammatory activity critically depends on structural activation of the cytokine by its receptor, IL-23R. The findings provide new insights into autoimmune and inflammatory diseases such as psoriasis, rheumatoid arthritis, and Crohn's disease.
Scientists have found that urban road dust reacts with sunlight to produce singlet oxygen, a reactive form of oxygen that can influence other chemical reactions. The study aims to understand the impact of these reactions on human health and the environment.
A new methodology for screening small molecule inhibitors against CD73/Ecto-5'-Nucleotidase is presented in SLAS Discovery. The technique uses multiple stable isotope-labeled substrates and ultra-fast RapidFire-MS/MS to identify molecules with diverse inhibition modalities.
Researchers found that patients who received a combination of BRAF and MEK inhibitors before and after surgery had a six-fold increase in time to progression compared to standard-of-care surgery. The study suggests that presurgical targeted therapy may improve outcomes for patients with high-risk stage 3 melanoma.
A two-year-old female Far Eastern leopard was found with severe neurological disease and euthanized due to poor health. The discovery confirms canine distemper virus in the species, which is already critically endangered.
Dr. Chiaravalloti will test the modified Story Memory Technique's impact on new learning and memory abilities in older adults with mild cognitive impairment. The study aims to improve daily functioning and quality of life for this population.
A novel chip-based gene expression tool has been developed to analyze RNA levels in cancerous tissue samples quickly and accurately, while preserving spatial information. The technique allows for the analysis of entire tissue samples and identification of cancer cells in under two hours.
Researchers at Friedrich Schiller University Jena developed smart windows that can change light permeability with a button press, while also harnessing solar heat. These 'large-area fluidic windows' offer a cost-effective alternative to traditional air conditioning systems and daylight regulation.
A study at Hospital for Special Surgery found that patients who received one-on-one physical therapy education and access to a web-based microsite prior to joint replacement surgery achieved physical therapy goals more quickly. This personalized approach improved their outcomes, including reduced hospital stay and increased confidence.
A randomized controlled trial analyzed 126 adults with PTSD, concluding that trauma-focused therapy WET was just as effective as CPT in reducing symptoms. The findings have important implications for treating PTSD, addressing a significant barrier to care by identifying time-efficient treatment options.
Researchers studied four species of scale-eating fish, finding that each employed distinct strategies to pry scales off prey. The study highlights the diversity of life on Earth and sheds light on the evolution and behavior of these unusual carnivorous grazers.
Researchers at Western University found that female rugby players experience brain changes during the regular season comparable to those caused by concussions, with glutamine levels reduced and potential implications for recovery. The study's authors suggest these metrics may be more sensitive to brain injury.
Researchers at Saarland University successfully measured the mechanical properties of free-standing single-atom-thick graphene membranes. The study provides direct evidence for the unique mechanical stability of these materials, which is crucial for their potential applications in various technological sectors.
Astronomers have discovered a star behaving strangely, orbiting an invisible black hole with four times the mass of the Sun. The finding reveals a dense nucleus within globular clusters, challenging previous theories on stellar-mass black holes.
SourceESO·JournalMonthly Notices of the Royal Astronomical Society·DateJan 17, 2018
Researchers have developed a promising strategy using multivalent combinations of antibodies to prevent and treat HIV. These broadly neutralizing antibodies offer increased efficacy against various strains of the virus, including those at mucosal surfaces.
The milliDelta robot overcomes the miniaturization challenge of Delta robots, operating at millimeter scale with high speed and precision, making it suitable for micromanipulation tasks in manufacturing and medicine. Researchers demonstrated its potential as a hand tremor-cancelling device and explored its use in retinal microsurgeries.
A recent Medscape report found that nearly two-thirds of US physicians experience burnout or depression, with higher rates reported by women and mid-career physicians. The majority of physicians cited their work as the cause of their feelings of depression, which can impact patient care and relationships.
Scientists at KIT create friction-optimized metal alloys using a unique approach that combines friction experiments with non-destructive testing methods, data science algorithms, and high-resolution electron microscopy. The goal is to develop materials with tailored friction and wear behavior, which could lead to significant energy sav...
A recent review by CU researcher Vesna Jevtovic-Todorovic examines the effects of general anesthesia on developing brains, revealing that multiple, shorter-lasting exposures during vulnerable periods cause significant impairments. The study's findings have important implications for pediatric surgery and anesthesia practices.
Researchers from the University of Basel found that gastric bypass and sleeve gastrectomy surgeries result in similar weight loss outcomes, with patients losing two-thirds of excess weight. Additionally, gastric bypass showed better results in reducing symptoms of gastric acid reflux.
A gene enhancer cluster, BENC, plays a crucial role in regulating Myc activity and cancer growth. The discovery suggests BENC as a potential target for novel therapies against blood cancer.
Researchers at Binghamton University have developed a self-healing fungi concrete that can repair cracks in aging concrete permanently. The fungus, Trichoderma reesei, is mixed with concrete and germinates when water and oxygen enter the crack, producing calcium carbonate to heal the damage.
A new study by Boston University researchers confirms the link between chronic kidney disease and increased risk of blood clots, identifying specific tryptophan metabolites as key players. The findings provide a promising approach for risk stratification and potential treatment strategies for CKD patients.
Scientists used electrocorticograhy (ECoG) to record electrical activity on the brain surface, finding that the prefrontal cortex coordinates activity to help us act in response to a perception. The brain requires several seconds to respond to complex tasks, with the prefrontal cortex recruiting other areas, including memory networks.
A new global topographic map of Saturn's moon Titan has opened up new insights into its liquid flows and terrain. The map revealed several new features, including cookie-cutter holes, mountains, and lakes that are at sea level due to hidden sub-surface flow.
A new study by the University of Manchester reveals that microwaves emit significant amounts of carbon dioxide equivalent to 6.8 million cars annually in the EU. The research also found that microwaves consume substantial electricity, equivalent to three large gas power plants, and contributes to resource depletion and climate change.
Researchers at University of Texas at Austin analyzed 40 years of stock prices, finding that high-beta stocks do not outperform those with low betas. Controlling for lottery-like characteristics, the seminal theory is empirically supported, revealing price pressure from investors as the main cause of the anomaly.
A new TB vaccine has shown promising results in a study of nonhuman primates, providing 41% protection and reducing overall disease by 68%. The vaccine uses a weakened form of a common Herpes virus to create high immunity against the pathogen.
Ground-based measurements over southeastern China reveal significant aerosol indirect effects, but satellite studies have large uncertainties due to inherent limitations. The study provides a comprehensive investigation into the AIE and highlights the importance of using ground-based measurements for accurate quantification.
An international team of researchers identified activation of CRH-positive neurons in PVH as sufficient and necessary to induce dietary preference for carbohydrates over fats. The study reveals the role of AMPK and CPT1c in regulating food selection behavior.
A new report from NASEM outlines a framework for preventing alcohol-impaired driving fatalities. The framework includes highly effective interventions and emerging opportunities to reduce traffic-related deaths.
A study published in PLOS ONE found that double-stranded RNA (dsRNA) treatment can reduce the fertility of adult house flies by interfering with gene expression. The treatment, which targets specific genes involved in the fly's reproductive process, resulted in reduced egg development and oviposition rates.
Researchers used Cryo-EM to capture images of molecular machinery called RNA Polymerase III in unprecedented detail, revealing five key stages in which the complex reshapes itself to successfully transcribe the DNA code. This discovery could open up new approaches to cancer treatment by targeting the complex's activity.
Researchers analyzed over 500 cases of DIPG and related tumors to find that tumors with histone mutations that haven't invaded surrounding brain tissue have better outcomes. Patients with non-invasive tumors had approximately 4-5 times longer survival rates compared to those with invasive tumors.
A study by University of Illinois researchers found that third-graders who spend a class session in a natural outdoor setting are more engaged and less distracted in their regular classroom afterward. The effect was large and occurred week after week, regardless of teacher expectations.
A study found that depression symptoms among older adults undergoing aortic valve replacement procedures were associated with a higher rate of death. Screening for depression may be justified for these patients, highlighting the importance of mental health screening in cardiovascular care.
Researchers aim to identify brain mechanisms related to psychosis by studying corollary discharge signals in individuals with schizophrenia and bipolar disorder. They will use an fMRI scanner to investigate the oculomotor system, which is thought to support a subjective sense of agency in these patients.
A new study published in Nature has reduced the uncertainty around climate sensitivity by 60%, offering a more accurate picture of long-term climate change. The research team analyzed year-on-year global temperature fluctuations to derive a measure of climate sensitivity, revealing a range of 2.8+/-0.6°C.
Researchers estimate that nearly one quarter of the governmental public health workforce plans to leave or retire in coming years. While there are enough highly-educated students to meet this challenge, concerns remain about the sector's ability to compete with private sector for qualified candidates.
3D organoid models derived from patient cells can guide clinical decision-making for individuals with gastrointestinal cancers. Researchers hope these models will predict treatment response and increase response rates by finding the best treatment combination for every patient.
Research at the Santa Fe Institute shows that living systems use collective computation to make decisions, with individuals contributing their own opinions and preferences. The system can produce accurate distributions of power, even in complex environments like primate social groups.