A new study led by UT Southwestern researchers found that fat cells release extracellular vesicles containing dying mitochondria, which trigger oxidative stress in the heart. However, this stress triggers a strong protective response from antioxidant molecules, reducing cardiac damage.
A team of researchers, including Simon Fraser University's Christina Giovas, challenges the validity of a controversial paper claiming Indigenous cannibals migrated to the Caribbean circa AD 800. The study finds no evidence to support this claim, contradicting decades of debunked narratives.
The Virtual NBSTRN Newborn Screening Summit brought together innovators to expand newborn screening research. The event showcased advancements in technology, advocacy, and clinical care for genetic disease detection, highlighting the importance of collaborations between researchers, healthcare professionals, families, and advocacy groups.
Researchers found that a model phytochrome, DrBphP, functions as a phosphatase rather than a histidine kinase, exhibiting an 'inverted' signaling mechanism. This discovery challenges previous understanding of bacterial phytochromes and their role in light response.
Scientists at PPPL have developed a new technique to design powerful magnets for tokamaks using stellarator computer code, enabling more efficient confinement and control of plasma. This innovation can aid the construction of fusion facilities by compensating for imprecision and suppressing plasma instabilities.
A new study by Abhi Bhattacharya, Neil Morgan, and Lopo Rego finds that most of the variance in the market share-profit relationship is explained by market power and quality signaling mechanisms. The researchers also identify conditions under which market share can be negatively related to firm profits, such as niche strategy firms and...
Researchers identified a large list of candidate genes associated with alcohol consumption and AUD, including SPI1 and MAPT. These genes are linked to other psychiatric and neurodegenerative disorders, such as depression and Alzheimer's disease.
Researchers at WashU Medicine have identified an antibody that is highly protective at low doses against a wide range of viral variants. The antibody targets a part of the virus' spike protein that differs little across variants, making it unlikely to lose potency as the virus mutates.
A University of Sydney study found that reading informational articles on the nature of sexual orientation can change how people interpret their underlying feelings. This led to a significant increase in reported non-exclusive heterosexuality, with participants being more willing to engage in same-sex activities.
This special issue of Journal of Dental Research focuses on the complex interactions between biomaterials, fluids, cells, and tissues in the oral cavity. Researchers discuss designs for surfaces that trigger desirable biological responses, such as enhanced adhesion to dentin or bone.
A study by Stellenbosch University and conservationists reveals a high number of Cape Fur seals are entangled in fishing lines and nets annually, with most affected being pups and juveniles. The researchers found that disentanglement efforts have been successful, but the problem remains urgent, emphasizing the need for policy changes t...
A new study suggests that improved building energy efficiency can prevent up to 5,100 yearly premature deaths and up to 2,900 lives in the US. The 'optimistic' scenario envisions a 50% increase in appliance efficiency and 60-90% increase in building shell efficiency by 2050.
Researchers at HZB developed a method to quantify charge extraction at buried interfaces in perovskite solar cells. Time-resolved surface photovoltage technique facilitates design of ideal charge-selective contacts and improves efficiency.
A new study reveals isometric resistance training (IRT) as a safe and effective method for reducing high blood pressure. IRT, which involves contracting muscles without changing length, can lower office blood pressure by almost as much as blood pressure-lowering medications.
Researchers developed a novel resilient state estimation (RSE) method for cyber-physical systems that can withstand malicious attacks and external disturbances. This allows the system to maintain its functionality even when faced with faults or attacks, making it crucial for the design of control systems.
A study analyzing over 120 million social media posts reveals that tourists focus more on nature in marine protected areas than neighboring coastal zones. The research found that these areas provide more cultural ecosystem services than adjacent coastal areas.
Researchers have developed a new adaptive radiotherapy strategy called PULSAR, which combines radiation and immunotherapy to improve tumor control. The approach uses artificial intelligence to personalize treatment plans, allowing oncologists to replan cancer treatment in under 30 minutes.
The study highlights the need for vaccination in Africa, where 890 million people lack on-site water and 700 million lack in-home soap/washing facilities. Researchers emphasize that physical distancing and mask-wearing can reduce transmission by at least 80%.
The American Heart Association scientific statement highlights the importance of pre-test and post-test counseling for families with children undergoing CVD genetic testing. The statement emphasizes the need for a multidisciplinary approach to address family concerns and provide appropriate follow-up care.
Researchers analyzed rock samples from Eastern Scotland to measure the strength of the geomagnetic field during key time periods. They found that between 332 and 416 million years ago, the field was less than a quarter of its current strength.
A review of expert opinions reveals mixed results for the EU's COVID-19 response, with successes including coordinated vaccine procurement but shortcomings including inconsistent national responses. Experts emphasize the need for strengthened local surveillance systems and improved EU leadership to prevent similar crises.
The urgent demand for new antimicrobial agents is threatened by a lack of investment in research. Scientists propose concepts for sustainably bridging the gap between pure research and industrial implementation to create new, effective antibiotics.
Researchers from Northern Arizona University found that solar radiation can produce iron nanoparticles on the Moon's surface, a process previously thought to be less significant. This discovery has important implications for future space missions and the study of the Moon's surface evolution.
Researchers at TU Dresden have developed an implantable AI platform that can classify healthy and pathological patterns in biological signals, such as heartbeats, with high accuracy. The system uses a biocompatible AI chip based on polymer-based fiber networks and has been shown to detect diseases without medical supervision.
A recent Michigan Medicine study found that people newly diagnosed with multiple sclerosis experience a myriad of significant symptoms that often cluster together. Nearly two-thirds of MS patients reported fatigue, half experienced pain in the first year after diagnosis. The research team collected questionnaires from MS patients at si...
A recent study found that regular physical exercise modulates iron homeostasis in both the brain and skeletal muscle of mice with Alzheimer's disease. The results suggest that IL-6 is a key modulator of hepcidin in exercise-induced brain iron modulation, which may help explain why exercise is beneficial for AD prevention or treatment.
The center will provide a one-stop shop for custom DNA constructs, accelerating cancer research through access to state-of-the-art tools. The facility will enable transformative, large-scale experimental projects that were previously impossible for individual labs.
Scientists at Massachusetts General Hospital found that the hormone irisin drives cognitive benefits of exercise, potentially treating Alzheimer's disease. Elevated irisin levels improved cognitive function and neuroinflammation in mouse models for Alzheimer's disease.
Researchers describe two new species of fossil ctenophores from Utah with preserved nervous systems and up to 24 comb rows. These findings suggest that Cambrian ctenophores had more complex nervous systems than living species, with specific nerve tracks along the body and a ring around the mouth.
A team of researchers at University of California San Diego School of Medicine discovered that GIV/Girdin plays a critical role in sperm motility, survival, and fertilization success. The protein regulates capacitation and acrosome reaction processes, essential for successful fertilization.
Researchers found that private prison companies tend to donate to lawmakers who cosponsor punitive immigration legislation. This fuels a cycle of increased deportations and immigrant detention, with the private prison industry profiting from it. The study highlights the financial payoffs for politicians who support such policies.
A new study reveals that public acceptance of evolution in the US has surpassed the halfway mark, with education and civic science literacy identified as key factors leading to its adoption. The study found a decline in religious fundamentalism's impact on rejecting evolution, with approximately 30% of Americans still holding fundament...
SUTD researchers developed a liquid metal antenna that can conform to soft biological tissues, addressing the mechanical mismatch at the tissue-device interface. The antenna demonstrated high wireless powering efficiency and stability under extreme deformations, making it suitable for implantable devices in hard-to-reach lesions.
A team of researchers from NUS developed an integrative approach to boost accuracy in mosquito surveillance by including larvae and species identification using mini-barcodes. This approach improves overall diversity estimates by 38% compared to adult-only data, contributing to baseline knowledge on potential vectors in Singapore.
The Center for Atomically Thin Multifunctional Coatings (ATOMIC) has received Phase II funding to expand its research and development of advanced 2D coatings. With the addition of Boise State University, ATOMIC aims to advance technology to more applied solutions and collaborate with industry partners on high-reward projects.
A novel AI-powered blood test, DELFI, has been developed to detect lung cancer with high accuracy. The test uses machine learning to analyze cell-free DNA in the bloodstream and has been shown to identify over 90% of patients with lung cancer.
Researchers found that electron precipitation from northern lights causes local ozone layer depletions in the mesosphere, potentially impacting climate. The study provides insight into this phenomenon, known as pulsating aurorae, and highlights its significance for global climate change.
A recent study published in PLoS One found that young adult patients with COVID-19 are at risk of severe disease and readmission, especially those with comorbidities. The study also identified over 50 lingering symptoms, including fatigue, headache, and loss of smell, which can last weeks to months after initial recovery.
Drones are not the only vehicles at the forefront of automating deliveries; researchers have developed a control strategy for ships and partnered tugs to navigate environmental disturbances. The multi-layer, multi-agent control scheme increases efficiency in the shipping process while reducing human error.
Researchers have developed a prediction model that uses radiomic features from pre-treatment CT scans combined with clinical data to identify patients who are not likely to respond to immunotherapy. The model divides patients into four risk groups, including those with very high and low risks of death following immunotherapy.
Researchers at Tokyo Medical and Dental University identified a microRNA molecule that can silence specific cancer-promoting genes, overcoming resistance to certain drugs. The study found that the miRNA target multiple genes and pathways simultaneously, making its impact potent.
Researchers propose new statistical approaches to estimate climate change impacts on US agriculture, focusing on county-level analysis. They suggest that current grouping methods can lead to inaccurate results and recommend using C-Lasso, causal forest algorithm, and geographically weighted regressions.
Researchers discovered that groups of microscopic, self-propelled droplets can transport more material through narrow channels using collective hydrodynamic entrainment. The effect is stronger in confined spaces due to focused flows and front-back symmetry.
A study involving 2,200 patients found that therapeutic-dose anticoagulation improved survival rates among moderately ill COVID-19 patients. The treatment reduced the likelihood of needing cardiovascular respiratory organ support by 27% and increased chances of survival without such support by 4%.
The UC Davis Center for Integrated Computing and STEM Education has received a $2.4 million grant to establish an initiative introducing Black/African American girls to engineering and robotics. The Ujima Girls in Robotics Leadership Project offers a free, hands-on program teaching girls middle and high school engineering and leadership.
A global inventory reveals oil refineries emitted 1.3Gt CO2 in 2018, with potential emissions of 16.5Gt by 2030 if no mitigation strategies are adopted. Researchers recommend improving refinery efficiency and upgrading technologies to reduce emissions.
Researchers at Purdue University and Houston Methodist have developed a novel TB vaccine formulation that enhances T cell responses to combat tuberculosis. The new vaccine uses autophagy-mediated antigen presentation, showing promising results in improving immune response.
Scientists have successfully visualized the molecular motion of a highly unstable compound, 10-mesityl-1,8-bis(trifluoromethyl)-9-phosphaanthracene, using novel spectroscopic techniques. The study revealed unprecedented molecular motions and structure information, shedding light on its radical reactivity and potential applications.
Rare fossils from the Cambrian period confirm the presence of an ancestral frontal domain in arthropods, which gives rise to crucial neural centers involved in decision-making and memory. The discovery also sheds new light on the evolutionary origin of visual systems in arthropods.
Scientists from Osaka University create optical imaging system that can capture over a million cells in a single image, enabling simultaneous observation of centimeter-scale dynamics with micrometer resolution. This technology, termed 'trans-scale scope,' may accelerate research in fields such as neuroscience, oncology, and immunology.
Researchers at Tohoku University developed a new analytical method that utilizes scanning probe microscopy to visualize cell functions in microphysiological systems. The tool provides spatial information about cell functions rapidly, overcoming limitations of traditional electrochemical sensors.
Researchers found that famotidine improves COVID-19 survival odds and reduces disease severity when used with aspirin. The study, involving over 22,000 patients, suggests famotidine may have a beneficial 'off-target effect' in treating the disease.
A case study reports success in restoring hormone balance to a castrated dog, improving mobility, reducing anxiety, and alleviating various health issues. The treatment involved testosterone and GnRH agonist therapy, resulting in significant health improvements.
A population-based study found that nearly half of men with low-risk prostate cancer transitioned from active surveillance to definitive treatment within five years after diagnosis. The study, published in The Journal of Urology, analyzed data from 8,541 men and identified factors associated with the likelihood of transition, including...
Dr. Anne-Ulrike Trendelenburg will present research on targeting common pathways to treat age-related diseases, including sarcopenia and premature aging diseases. The conference brings together experts from academia and industry to discuss progress in the molecular, cellular and organismal basis of aging.
A UVA research group has developed a scalable quantum computing platform using photonic devices, reducing the number of devices needed to achieve quantum speed. The team created a quantum source in an optical microresonator on a chip, generating 40 qumodes and verifying the generation of multiplexed quantum modes.
The Lancet reports that extreme heat is becoming a major health issue, with over 356,000 deaths in 2019 related to heat. Effective cooling strategies are needed to protect vulnerable populations and mitigate climate change.
A new approach has identified T cells in Covid-19 patients, revealing their appearance, number, and activity level against SARS-CoV-2. The study distinguishes between active and dormant T cells, enabling a better understanding of the immune response to the virus.
The article reviews macrogenetics, a field that uses big data to identify global drivers of genetic diversity and answer fundamental biodiversity questions. Macrogeneticists aim to inform sustainable policies by analyzing large-scale patterns, settling long-standing debates among scientists.
Chronic light exposure disrupts circadian rhythms in rats, leading to memory deficits and amyloid β accumulation similar to Alzheimer's disease. Fluoxetine treatment prevents these effects, suggesting a potential therapeutic strategy.