Researchers at the University of Michigan propose a new theory that non-REM sleep strengthens memories, while REM prunes overlapping ones. This sequence helps reinforce relevant memories and keeps unrelated ones distinct.
A study of 100,000 water samples from 500 river basins found elevated levels of contaminants like organic carbon, phosphorus, nitrogen, and sediment persisting for years after wildfires. Water managers can use this data to inform planning strategies for increasing wildfire resilience.
Researchers have uncovered a new species of Swaindelphys, a large metatherian that lived around 60 million years ago in Texas' Big Bend National Park. The species, dubbed Swaindelphys solastella, is significantly larger than similar species known from the same period.
Researchers analyzed 261 Chinese soil samples to compare legume crop rotations, revealing faba bean rotation's benefits in enhancing soil properties and microbial communities. Faba bean rotation increased organic carbon, total nitrogen, and phosphorus, as well as microbial biomass and respiration rate.
A low FODMAP diet improved gastrointestinal symptoms in 60% of study participants, reducing symptom severity by 40% compared to a control diet. The diet also eased abdominal pain and bloating, normalizing stool consistency.
Researchers found that lunar nearside samples are anomalously rich in chlorine, linked to incorporation of gaseous Cl-compounds. This suggests a connection between volcanic activity and lunar dichotomy. Crustal rocks from the farside show no Cl enrichment, preserving information about the Moon's initial magma ocean.
A new study reveals that cancer survivors experiencing food insecurity have a 28% increased risk of death compared to those who are food secure. The research, published in JAMA Health Forum, analyzed data from over 5,000 respondents and found that food insecurity was linked to higher all-cause mortality rates.
A new study published in Humanities Social Science Communications finds that learners become more cautious about sharing their learning data after discussing it with peers. Group discussions improve learners' awareness of different contexts where their data are collected by educational technologies.
A team of whale experts discovered that southern resident killer whales regularly use lengths of bull kelp as tools to groom each other during social interactions. The whales fashion the tools by breaking off the ends of kelp stalks and then press them against a partner, rolling them between their bodies for long periods.
A new study from the University of Pittsburgh suggests that excessive screen time and poor sleep quality may contribute to teen depression. The research found that teens who spent more time on screens and got less sleep had weaker brain connections, which can affect emotion regulation, memory, and attention.
Agricultural carbon emissions in Fujian exhibited a 'double decline' trend from 2002 to 2022, with total emissions fluctuating downward by 11% and carbon emission intensity plummeting by 82.46%. Promoting organic fertilizers, optimizing rice planting patterns, and improving resource utilization can further reduce emissions.
Researchers discovered that exploring environments can encode visual features, speeding up learning when tasks arise. The study found that unsupervised learning occurs even without specific goals or tasks.
A University of Minnesota research team has found that measuring SARS-CoV-2 in wastewater continues to accurately predict subsequent COVID-19 case counts in a community. The study demonstrates the continued importance of wastewater surveillance for public health planning and informing real-time decision-making frameworks.
The Quantum Technician Bootcamp at Central New Mexico Community College is a 400-hour course that provides students with hands-on skills necessary for job placement in the quantum industry. The program, led by Sandia National Laboratories and CNM, aims to address the shortage of trained workers in the field.
Killer whales have been observed detaching kelp stalks and using them to massage each other's backs, a behavior dubbed "allokelping". This social bonding behavior may promote skin health and strengthen relationships among the whales.
Researchers have developed a method to transform polyethylene terephthalate (PET) plastic waste into paracetamol using genetically reprogrammed E. coli bacteria. The new process creates virtually no carbon emissions and can be completed in under 24 hours.
The Society of Nuclear Medicine and Molecular Imaging (SNMMI) has selected 7 new Fellows for their exceptional achievements in the field. The SNMMI Fellowship is a prestigious recognition of outstanding service to the society and excellence in scientific discovery, educational efforts, or clinical practice.
Researchers at DGIST developed a high-efficiency PV-based hydrogen production technology using eco-friendly ternary quantum dots. The team successfully controlled the synthesis mechanism of copper indium sulfide, eliminating heavy metals and producing hydrogen using sunlight.
A study published in JACC found that long-term exposure to wildfire smoke may increase the risk of heart failure, particularly among older adults, women, and those living in lower-income areas. The risk was found to be higher with increased levels of PM2.5 air pollution from wildfires compared to other types of air pollution.
A new study found that recycled polyethylene plastic can leach chemicals into water, causing impacts on zebrafish larvae's hormone systems and lipid metabolism. The researchers highlight the need to address toxic chemicals in plastics across their life cycle.
A new clinical trial found that taking semaglutide once weekly significantly improves blood sugar levels and leads to substantial weight loss in adults with Type 1 diabetes. The study involved 72 participants across four medical centers and showed a 36% improvement rate compared to the placebo group.
The study presents ImmunoCheckDB, a web platform that bridges a critical gap in existing resources by enabling pan-cancer exploration of immune checkpoint inhibitor therapies through combined meta-analytical and multiomic approaches. It curates 173 studies involving 93,234 individuals across 18 cancer types and 30 ICI regimens.
Male mice displayed increased aggression when the instigator was a novel individual or one with whom they had no established dominance relationship. In contrast, aggression was not observed when the instigator was a familiar opponent with a known hierarchical relationship.
Researchers used PET imaging to map brain inflammation in PAOS patients, finding distinct patterns that correlate with tau pathology and Parkinson-plus syndrome. The study provides new insights into neuroinflammation's role in disease progression and may lead to earlier diagnosis and targeted treatments.
A new study presents a unified approach to first principles calculations of Parton physics in hadrons, combining two distinct theoretical approaches for extracting parton distributions. The study uses Large-Momentum Effective Theory (LaMET) and short-distance expansion (SDE), which provide complementary insights into parton behavior.
Researchers found five periods of decreased ocean oxygen concentrations coinciding with increased carbon dioxide levels 300 million years ago. This discovery highlights human-driven carbon dioxide emissions as a significant threat to marine biodiversity.
The DFG annual meeting will address curtailment of academic freedom, current science policy issues, and funding decisions. The General Assembly on July 2 will report on the DFG's funding activities since the 2024 General Assembly.
A recent study found that nearly 400 former Australian Defence Force members experienced negative discharge experiences, with many feeling disrespected, mistreated, or abused. The research highlights the need for reform to prevent long-term psychological harm and provides preliminary evidence suggesting that transition-related identity...
The American Society of Anesthesiologists (ASA) recommends that tattoos following the same safety standards as elective surgery. Patients opting for anesthesia or sedation should be administered by a qualified anesthesia professional in an equipped facility to handle emergencies and monitor patient safety.
Researchers at Yokohama National University developed a new model explaining slow slips in stick-slip systems without relying on artificial friction laws. The Kelvin-Voigt viscoelastic toy model provides a novel scenario to explain the static friction paradox, which has remained unsolved for decades.
A new study reveals six 'closed loop' barriers that prevent doctors from using point-of-care ultrasound, leading to missed opportunities for life-saving interventions. The researchers propose practical steps to address these cultural and practical challenges, aiming to increase POCUS uptake and benefit patients.
Researchers discovered that aggressive melanomas overactivate mitochondrial pathways, which can be targeted by antibiotics and energy-production inhibitors. The findings suggest a new therapeutic vulnerability in melanoma cells, highlighting the safety and specificity of these treatment approaches.
The conference tackles topics such as the benefits of plant-based diets, the role of nutrition in cancer prevention, and the impact of weight loss drugs. Experts share new research and insights to inform everyday practice.
Researchers uncover how RUNX2 regulates cranial base growth by controlling chondrocyte differentiation, proliferation, and organization. The study provides fundamental insights into the complex interplay between RUNX2 and FGFR3, shedding light on novel therapeutic targets for craniofacial defects.
A new multi-cohort study found that exposure to certain metals detected in urine is associated with a higher risk of heart failure. The study analyzed over 10,000 adults across diverse geographic and racial backgrounds and observed consistent associations between elevated urinary metal levels and increased HF risk.
The Cirrus Resting State fMRI Software uses AI technology to rapidly map the brain and identify sensitive areas controlling critical functions. The technology, developed at WashU Medicine, enables more precise neurosurgeries with improved accuracy and accessibility for patients.
Researchers at the University of Missouri have developed a new imaging probe that can help surgeons accurately identify and remove aggressive brain tumors during operations. The tool, known as FA-ICG, uses near-infrared light to highlight tumor cells from within.
Researchers review classification, mechanisms of action and clinical application of bispecific antibodies in treating non-small cell lung cancer. Bispecific antibodies demonstrate improved anti-tumor efficacy and a safe profile for NSCLC patients resistant to targeted therapies or immune checkpoint inhibitors.
Researchers are studying the effects of Hurricane Helene flooding on agricultural land in Tennessee, with a focus on managing contaminants in croplands. The team aims to provide actionable knowledge to farmers and communities affected by the disaster.
Recent CAR-T cell modification strategies have enhanced recognition, immunity stimulation, killing activity, and safety. The new designs counteract tumor immune escape and immunosuppressive microenvironments.
Researchers challenge the idea of an incestuous social elite ruling over ancient Ireland, citing a lack of corroborating evidence from nearby settlements and dietary practices. The study suggests that the society was more equal, with people sharing resources and living in similar dwellings.
Researchers discuss advancements in pancreatic cancer detection using biomarkers, imaging techniques, and molecular diagnostics. Novel therapies targeting the tumor microenvironment and immune evasion mechanisms are explored to improve survival outcomes.
The experimental drug SANA has been shown to prevent fat accumulation, treat existing obesity, and reverse associated metabolic disorders. In animal tests, it activated thermogenesis through an unconventional mechanism, targeting adipose tissue cells to produce heat without involving the UCP1 protein.
A single-center retrospective cohort study found that performance status before open-window thoracostomy (OWT) is a significant factor affecting window closure. The study included 42 patients with empyema who underwent OWT, and the results showed that patients with poor performance status were less likely to have successful closure.
Researchers have identified cerium zirconium oxide as a clear, 3D realization of a rare quantum spin liquid, featuring emergent photons and fractionalized spin excitations. This discovery validates decades of theoretical predictions and has significant implications for next-generation technologies.
A landmark study has developed a new technology to track cells during embryo development, shedding light on the fundamental mystery of how cells divide and grow. The LoxCode system provides each cell with a unique DNA barcode, allowing researchers to trace their lineage and investigate developmental disorders.
Mark Ramos developed software to help therapists measure children's skill development in autism therapy, providing a more accurate estimate of mastery. The tool, called MIEBL, employs Bayesian estimates to set performance criteria based on predicted success and observed data.
Researchers at the University of Pennsylvania School of Engineering and Applied Science have turned a deadly fungus into a potent cancer-fighting compound. The new compound, called asperigimycins, has shown promising results against leukemia cells, rivaling FDA-approved drugs.
Boston University medical students Teresia Perkins and Mathew Krick have been awarded the ASCO Medical Student Rotation Award for their groundbreaking projects on prostate cancer treatment and uveal melanoma research. Their studies aim to identify care gaps and inform targeted interventions to improve outcomes in underprivileged popula...
Researchers at Kyoto University have created a new artificial heterostructure device that mimics broken spatial and time-reversal symmetry, enabling new bulk photovoltaic effects. The device shows promise for next-generation solar cells with improved efficiency and multifunctionality.
Researchers have developed a novel nanomaterial that can hold over three times its weight in water and achieve this far quicker than existing commercial technologies. The material's unique synergy between calcium and oxygen facilitates extraordinary adsorption of water, enabling the efficient harvesting of clean drinking water from air.
Cybil Nielsen has been elected as the new president of the SNMMI Technologist Section, with a focus on expanding educational programs, mentorship opportunities, and networking events. She aims to promote the recognition and advancement of nuclear medicine technologists within the healthcare landscape.
Researchers have discovered that Australian native bee honey exhibits remarkable antimicrobial properties, effective even after heat treatment and long-term storage. This unique feature makes it a promising alternative to synthetic antibiotics, with the potential to complement or replace them in therapeutic frameworks.
A newly developed cardiac PET imaging technique offers a simpler way to detect significant coronary artery disease by eliminating the need for complex scanning protocols. The technique has been shown to accurately estimate myocardial flow reserve during both exercise and pharmacologic stress, making advanced heart imaging more accessible.
Australian scientists developed a new method to evaluate the risks posed by toxicants like insecticides in waterways. The Temporal Response Surface (TRS) approach integrates exposure duration into ecosystem protection guidelines, providing a more accurate assessment of delayed and time-cumulative aquatic ecosystem risk.
Julie C. Price has been recognized for her groundbreaking work on PET imaging techniques and multimodal imaging for translational neuroscience. She aims to advance early detection of Alzheimer's disease-related tau protein deposition.
A new paper from the University of Adelaide emphasizes the importance of clear regulations in plant gene editing to ensure safe and responsible use. The review highlights the need for public engagement and regulation as a filter to remove problematic elements, making sure new technologies align with societal expectations and values.
Elevated cortisol levels in preterm fetuses disrupt normal heart development, potentially leading to increased cardiovascular disease risk. Cortisol exposure accelerates heart development in ways that may not be beneficial, ultimately compromising heart health.
Researchers at University of Otago have identified a genetic cause for a rare developmental disorder affecting brain growth and function in children. The study found that a specific change in the CRNKL1 gene is associated with severe microcephaly, pontocerebellar hypoplasia, seizures, and intellectual disability.
Researchers developed a dual-targeting radiopharmaceutical therapy that targets two key markers simultaneously, delivering radiation directly to tumors. The therapy showed strong and lasting uptake in tumors, allowing for high doses of targeted radiation to be delivered to cancer cells, resulting in 88.9% positive responses.