Researchers discovered an alternating pattern of tooth replacement in ancient birds, similar to dinosaurs and crocodilians. The study suggests that the genetic controls for tooth replacement survived even after the split between birds and crocodilians millions of years ago.
Groundwater recovery time varies by region and human activity, with some areas taking up to 15 years to recharge. Excessive pumping can cause land subsidence, contaminant mobilization, and decreased water quality.
A study published in the Journal of Marketing found that complimenting a competitor can increase a brand's reputation and sales, particularly among skeptical consumers. The tactic is most effective when done strategically and authentically, signaling a brand's warmth and trustworthiness.
Researchers analyzed an ice core from Greenland and found that fires in the North Atlantic region decreased over 4,500 years ago due to weaker summer insolation and expanding glaciers. Human interference, such as Viking colonization, also played a role in reducing fire frequency.
Researchers at Yokohama National University have developed a simplified tilt sensor that can detect angles and directions using a conductive liquid material. The sensor has a digital output using direct current, enabling direct electrical measurement of tilt, and can be used in various applications including wearable devices and robots.
Researchers comprehensively review T-cell responses to respiratory viral infections and chronic obstructive pulmonary disease (COPD), highlighting key characteristics of peptide-reactive T-cells. The review aims to improve understanding of the underlying mechanisms, leading to more effective immune protection and treatment methods.
Researchers from GFZ and NGRI used seismic data to identify three phases of a catastrophic flood, including rockslide and debris flow. The study found that seismic networks can be used to warn of impending flash floods, with available warning times varying by distance and speed.
Researchers analyzed real-world data on biologic treatment and COVID-19 vaccine hesitancy in psoriasis patients. Sentiment analysis revealed that vaccine hesitation was driven by concerns about side effects, autoimmune conditions, and lack of trial data.
A new study by the University of Exeter reveals that domestic cats rely almost entirely on their owner-provided food for nutrition. Despite being prolific hunters, cats only consume a small percentage of the prey they catch.
A study of over 29,000 American women found that breastfeeding significantly reduces the risk of postpartum depression. Women who breastfed for longer periods had lower rates of postpartum depression, with those breastfeeding for 6-12 months showing the greatest reduction.
A recent study by Shilpa Madan found that the salience of choice fuels independence and makes individuals more self-interested. This can lead to a range of positive consequences, including increased tolerance for harassment and discrimination, but also negative consequences for collective action.
A new treatment approach targets angiogenesis, inflammation, and oxidative stress in glioblastoma multiforme, reducing tumor volume and growth by up to 89%. The combination of LAU-0901, Elovanoids, and Avastin shows promise in improving survival rates for patients with this deadly cancer.
A new study by The Lancet found that over 55% of police killings in the USA are unreported and Black Americans are 3.5 times more likely to experience fatal police violence than white Americans. Researchers estimate an additional 32,000 deaths from police violence between 1980-2019.
A recent NIH study identifies oligodendrocytes as a key player in maintaining energy levels within axons, which are essential for long-distance communication. The research discovered that oligodendrocytes release an enzyme called SIRT2, which increases mitochondrial activity and provides a local power boost to axons.
Researchers visualize key proteins in Drosophila brains, revealing their daily oscillations and spatial organization. The study highlights the importance of clock proteins in regulating circadian rhythms, which control sleep-wake cycles, metabolism, and cancer risk.
Researchers mapped cancer through protein interactions, revealing biomarkers and potential new treatments for breast and head and neck cancers. The study provides a new definition of biomarkers based on large, multi-protein complexes, offering a more precise way to explain mutation effects.
Researchers at the University of Bonn have discovered that the enzyme SLK plays a vital role in maintaining inhibitory synapses, which help regulate neuronal excitability. Without SLK, neurons become increasingly excitable and less responsive to inhibitory signals, potentially leading to increased seizure frequency.
A new community-based approach to managing asthma symptoms will be implemented in up to 40 public schools across the Bronx, enrolling 416 students aged 4-12. The study aims to reduce asthma symptoms among high-risk urban school children through a cluster-randomized controlled trial.
A new study shows that a four-week psychological treatment called Pain Reprocessing Therapy (PRT) can provide potent and durable relief for chronic back pain in two-thirds of patients. The treatment alters brain networks associated with pain processing, reducing symptoms that last for up to one year.
A large UK study found that menopausal hormone therapy is not associated with an increased risk of developing dementia. The research, which included over 118,000 women, showed that hormone therapy relieves symptoms experienced during menopause and may even have a slightly decreased risk of dementia in certain cases.
The five-year project will focus on four themes: climate-informed planning, governance and collaborative capacity, extreme events, and climate justice. The program aims to help communities build resilience to climate-related challenges through research, tools, and knowledge.
Researchers developed an AI tool using longitudinal network analysis to identify predictive symptoms of psychotic illnesses in children with a microdeletion of chromosome 22. The study found that anxiety and feelings of guilt were significant warning signals, enabling early treatment and prevention.
A new UCLA-led study confirms findings of online behavior during the pandemic, showing dramatic changes in American values and activities. The survey of 2,092 Americans indicates a shift towards growing food, conserving resources, and prioritizing family relationships.
An analysis by the University of Basel has revealed that mercury enters seawater primarily through gas exchange, not rainfall. The study found that approximately half of the mercury in the ocean originates from gaseous emissions, rather than precipitation.
Researchers found that additives in commercial shopping bags boost the conversion of solid plastics into water-soluble compounds under sunlight. The compounds vary depending on the additives used, with some bags releasing up to 15,000 dissolved compounds.
A team of scientists has identified molecular biomarkers associated with sepsis, which could be used to predict patient outcomes and guide treatment. The study found that changes in CD52 expression were linked to good outcomes, while S100A9 acted as a driver of fatal sepsis.
Researchers developed an Internet information system, virusMED, to provide a comprehensive picture of viruses' most important regions. The database contains over 800 strains from 75 different families, including SARS-CoV-2, influenza, Ebola, and HIV-1, enabling scientists to respond quickly and effectively against the next pathogen.
The mapping of the entire genome of the Eurasian spruce bark beetle has provided new insights into its biology and behavior. The analysis reveals that the species has an unusually large number of genes involved in breaking down plant cell walls, but lacks genes to remove toxic substances.
A new PET imaging agent has been shown to solve 87% of diagnostic dilemmas in breast cancer patients, providing valuable information for personalized treatment decision-making. The agent's ability to visualize estrogen receptor expression across the body may improve patient outcomes and support broader implementation in clinical practice.
The Chang'e-5 mission achieved a successful soft lunar landing using an innovative guidance, navigation and control system. The LAM used various sensors to navigate its descent and landing, with multiple sensors providing redundancy to ensure the success of the mission.
A team of researchers led by Christian Rabeling has discovered the origins and evolution of social parasitism in ants. The study reveals that social parasites evolved from an ancestor that lost the ability to establish new colonies independently, and that highly specialized parasites can evolve from less complex social parasite syndromes.
Researchers found that people are twice as likely to break from the group and make a different choice when they see others hesitating. This hesitation can reveal conflicting information within the group, leading to better outcomes. The study's findings have implications for various situations with herd behavior.
A new study published in Nature suggests that rainwater is not the primary deposition vector of oceanic mercury, but rather the ocean itself absorbs mercury through gas exchange. The research also indicates that the ocean receives less atmospheric mercury than previously estimated.
The Feed the Future Innovation Lab for Horticulture aims to promote local leadership in communities worldwide. Researchers will develop environmentally sustainable production and post-harvest handling methods to improve income and access to nutritious fruits and vegetables for smallholder farmers.
Researchers at Bielefeld University argue that stigmatization prevented lessons from the HIV pandemic from being adopted by broader parts of society. This has consequences for dealing with the Covid-19 pandemic. The study highlights the importance of including marginalized groups' perspectives in research to learn from their experiences.
A Rutgers University study found that teenagers whose fathers are behind on paying child support suffer from more behavioral problems than those with other types of parental debt. Child support debt can lead to negative consequences for adolescent outcomes, including increased conflict and reduced physical and mental health.
A team of researchers discovered that KNOX and BELL transcription factors evolved to activate zygotes in plants, later shifting their role to maintain organ development in land plants. The study used the liverwort Marchantia polymorpha as a model organism.
A new study by University of Utah researchers found that energy efficiency improvements and renewable energy investments had limited impact on reducing CO2 emissions. However, policies aimed at improving energy efficiency had no effect, while investment in renewable energy sources led to increased levels of CO2 emissions in the residen...
A new platform was established for induced pluripotent stem cell research using Maholo LabDroid, demonstrating superior reproducibility and flexibility. The system enabled the cultivation of undifferentiated iPSCs for 63 days and achieved high differentiation rates with minimal variability.
Scientists identified a rare genetic condition affecting prenatal development, leading to lifelong disabilities in children. They discovered a potential method to prevent the condition by administering a drug during pregnancy, which boosted Wnt signaling and restored normal growth in mouse embryos.
The study reveals that SARS-CoV-2 damages the kidneys by interacting with ACE2, leading to an imbalance in blood pressure regulation and inflammation. This can result in impaired kidney function, reduced glomerular filtration rate, and increased risk of acute renal injury.
The study aims to identify the health complications and modifiable risk factors of women with MetS and substance use disorder. By analyzing decade-long data from a research database, researchers hope to develop interventions that improve maternal health and reduce related pregnancy complications.
For women with extremely dense breasts, MRI screenings have been found to be more effective than mammography in detecting breast cancer. The additional costs of MRI screenings are more than compensated by their improved effectiveness in preventing death from breast cancer.
Scientists study potential for life around M-dwarf planets with new telescope, finding atmospheres may be dried out due to intense radiation. The James Webb Space Telescope can detect gases in heavy carbon dioxide or oxygen-dominated atmospheres.
Research suggests that fostering positive workplace social relationships between men and women can improve gender equity and inclusion in STEM. Even small gestures of social inclusion, such as chatting with female teammates during breaks, can reduce stereotypes and increase feelings of engagement.
Researchers at Friedrich-Schiller-Universitaet Jena have created a way to melt normally unmeltable metal-organic framework compounds, or MOFs, into glasses. This process enables the production of glass components for various industrial applications, including energy and environmental technology.
A new study provides evidence supporting the involvement of aquaporins in corneal cell proliferation and nerve regeneration, suggesting AQP5 induction as a potential therapy to accelerate corneal defect resurfacing. The study found that AQP5 deficiency can slow down corneal epithelial repair, but its specific mechanism remained unclear.
Alicia Angelbello and Professor Matthew Disney developed an RNA-targeting medication strategy to treat a type of muscular dystrophy. Their technology destroys toxic RNA genetic repeats, impacting about 200,000 people in the US, and may lead to first-ever oral medications.
Emergency department crowding poses a serious threat to patient safety due to health system dysfunction and funding structure flaws. Institutions can implement actionable solutions, including financial realignment, regulation, and enforceable surge plans, to alleviate ED crowding.
Researchers at UArizona Health Sciences have discovered a mechanism that tumors use to keep blood vessels growing, driving cancer growth and invasion. Targeting this mechanism with drugs could lead to more effective cancer treatments by overcoming drug resistance.
Scientists at Temple University will explore the therapeutic potential of KLS-13019, a CBD analog that shows promise as an opioid alternative. The Phase 2 SBIR grant aims to test the compound's effects on rat models of neuropathic pain, shedding light on its safety and efficacy.
Researchers used functional MRI to image the hippocampus of volunteers learning and recalling short stories, finding that coherent memories are woven together. The study suggests the hippocampus brings pieces together across time to form connected, narrative memories.
Researchers develop new theory for attosecond transient absorption spectroscopy of polyatomic molecules, revealing electron-nuclear dynamics. The technique provides sufficient resolution to study decoherence of electron motion caused by nuclear rearrangement.
A comprehensive analysis of 33 studies reveals that COVID-19 lockdowns lead to improved blood sugar control in individuals with type 1 diabetes, while glycaemic control deteriorates and weight gain increases among those with type 2 diabetes. The study suggests that lockdown measures may have allowed people with type 1 diabetes to bette...
Researchers at RMIT University have developed a clean and cost-effective way to upcycle used plastic into high-value products such as carbon nanotubes and clean liquid fuel. The two-step process converts organic waste into charcoal, which is then used as a catalyst to upcycle the plastic.
A new study found that men with young-onset type 2 diabetes are more likely to develop retinopathy than those diagnosed at an older age. The study also suggests that early detection and treatment can reduce the risk of complications.
A recent analysis found a large increase in deaths among susceptible individuals, including minorities, due to COVID-19. The study highlights the vulnerability of kidney transplant recipients and those with kidney failure to severe illness from the virus.
A new study from Anglia Ruskin University found that increasing space between letters can improve reading speed for both dyslexic and non-dyslexic children. Dyslexic children showed a 13% increase in reading speed, while non-dyslexic children saw a 5% improvement.
A new study published in Neurology suggests that people with diabetes who have had a stroke may benefit from maintaining blood sugar levels between 6.8% and 7.0% to lower the risk of future vascular events. The study found that those admitted to the hospital with A1C levels above 7.0% were at increased risk for heart attacks and strokes.
Researchers found that infants spend most of their time playing with household objects, suggesting that everyday learning and development occur through spontaneous object interactions. This challenges traditional views of infant behavior as flighty and distractible.