Researchers developed a new imaging method to track antibiotic distribution in infected tissues, revealing that some antibiotics only partially penetrate infected cells. This discovery could lead to more targeted treatments and reduced risk of antibiotic resistance.
Scientists have identified a new metabolic vulnerability in highly aggressive non-small cell lung cancer (NSCLC) tumors containing mutations in KRAS and LKB1. The hexosamine biosynthesis pathway is activated in these tumors, providing a potential target for therapy.
A team of researchers studied over 3,500 leaf fossils from Patagonia, Argentina, and found a surprising 92% species-level extinction rate in the region. The study suggests that despite high extinction rates, South American plant families largely survived and grew more diverse during the Paleogene period.
A recent study by prof. Tone Bjørge and her team reveals a strong link between in-utero exposures and an increased risk of thyroid cancer later in life. Maternal hypothyroidism, hyperthyroidism, goiter, and benign thyroid neoplasms are associated with higher risk.
The 1907 Trailblazer Awards support pioneering early-career mental health researchers Dr. Benjamin Bartelle, Dr. Laura Lewis, and Dr. Katherine Scangos with two-year grants valued at over $120,000 each. Their projects aim to advance our understanding of depression symptom severity in major depression and develop novel treatments.
A new study found that manatees in Brazil and Guyana have low genetic diversity, with no natural hybridization between species. The researchers suggest creating protected areas and biological corridors to promote gene flow and improve conservation efforts.
Researchers investigate how COVID-19 has changed sex offender behavior, providing insights for protecting vulnerable individuals. The study aims to understand how social and economic changes have impacted offender patterns and victim vulnerability.
Researchers captured rare footage of a jaguar killing an ocelot at a waterhole in Guatemala, highlighting competition for scarce resources. Climate change and droughts are predicted to worsen, putting wildlife survival at risk.
Citrus disease-induced microbial shifts may lead to new management strategies for crops. Researchers found increased diversity in microbiome associated with Huanglongbing disease progression.
A recent study by Simon Fraser University found that approximately half of media stories featuring COVID-19 'preprint' research did not accurately frame the studies as being preprints or unverified research. The study analyzed over 500 mentions in over 450 stories from digital news outlets covering preprint COVID-19 research.
Researchers have developed a new method for tracking individual molecules in real-time using four-probe scanning tunneling microscopy, enabling unprecedented control over molecular transport. Additionally, Oak Ridge National Laboratory has released guidelines to improve fuel economy by reducing idling and selecting the most fuel-effici...
A new study estimates 46.9 million SARS-CoV-2 infections, 28.1 million symptomatic infections, 956,174 hospitalizations and 304,915 deaths occurred in the US through November 15, 2020. The study utilized data from public health surveillance and seroprevalence surveys.
A large-scale study found that following specific guidelines, including regular exercise and a prudent diet, can lower GERD symptoms by 37% in women. Adhering to these lifestyle factors can also reduce the need for medication.
Researchers are using AI to improve treatment outcomes for patients with oral squamous cell carcinomas by predicting which patients need chemotherapy, radiation, or surgery. The project aims to develop a more precise and personalized approach to cancer care.
Researchers at the University of Konstanz have discovered a new state of matter called liquid glass, which exhibits complex behavior. The particles in liquid glass are able to move but not rotate, leading to local clusters that obstruct each other and prevent an ordered state from forming.
A University of Bonn study finds that climate change caused the sudden disappearance of mangroves on Oman's coastlines 6,000 years ago. The researchers suggest that a shift in the Intertropical Convergence Zone led to extreme stress on mangrove ecosystems due to increased salinization and drought.
A new method of distance measurement has been developed by researchers at Paderborn University, achieving precision 10,000 times better than established methods. This breakthrough could significantly improve applications such as LIDAR and GPS.
A study found associations between retinal changes and memory problems in older people with type 1 diabetes. Researchers used routine eye scans to detect structural changes in the retina that may be linked to cognitive decline. The findings could lead to better understanding, diagnosis, and treatment of Alzheimer's disease and other co...
A randomized trial shows UC-MSC infusions safely reduce risk of death and quicken time to recovery for severe COVID-19 patients. The treatment, like smart bomb technology, restores normal immune response and reverses life-threatening complications.
A joint research team developed DeepTFactor, a deep neural network predicting transcription factors from protein sequences. The tool uses three parallel convolutional neural networks and predicted 332 transcription factors of Escherichia coli K-12 MG1655.
A new machine learning system can correctly diagnose particle accelerator component issues in near-real-time, providing operators with actionable information to mitigate problems. The system achieved accuracy rates of 85% for fault detection and 78% for fault type identification during its first two-week test.
A new study found that grasslands, a critical carbon sink, have become a source of greenhouse gas emissions due to increased livestock numbers and intensive management. Sparsely grazed areas provide significant cooling services, while intensively managed pastures contribute to warming.
Researchers developed new bacterial culture approaches, isolating 254 strains from the Tabernas Desert, including 60% previously unreported and possibly new bacteria species. The study highlights the potential for simple strategies to obtain higher microbial diversity from extreme environments.
A novel method identifies areas most suitable for the conservation of the endangered black lion tamarin, considering both climate and landscape factors. The study used modeling to pinpoint areas with suitable forest cover and climate, indicating a need for targeted strategies in forest restoration to connect fragmented habitats.
Researchers identified a severe drought period in 1302-07 Europe, which shares similarities with the 2018 weather anomaly and recent climate trends. The study suggests that transitional phases in the climate are characterized by stable weather patterns, contributing to extreme events like the Great Famine of 1315-21.
A team led by Syracuse University researcher Lisa Manning will investigate mechanical forces that may cause congenital heart defects during embryo development. They aim to identify new targets for therapy and develop methodologies for early detection and prevention.
A study conducted by researchers from the Icahn School of Medicine at Mount Sinai found that repeated ketamine infusions significantly reduced symptom severity in individuals with chronic PTSD. The improvement was rapid and maintained for several weeks afterwards, suggesting this may be a promising treatment option for PTSD patients.
Researchers at the University of Birmingham have discovered a biological imbalance between free radicals and antioxidant cells that links gum disease to chronic kidney disease. A 10% increase in gum inflammation reduces kidney function by 3%, highlighting the importance of periodontal care for patients with chronic kidney disease.
Researchers suggest that single-dose vaccines may offer greater population benefit due to the speed-versus-efficacy tradeoff. Alternative dose allocation strategies also improve benefits by vaccinating more people sooner while maintaining scheduling for second doses.
A large study tracked 1,000 people from birth to age 45 and found that those with higher self-control as children were aging more slowly. Their bodies and brains were also healthier and biologically younger. Higher childhood self-control correlated with slower aging in multiple measures, including physiological signs of aging.
Scientists at the University of Tokyo have observed a direct impact of magnetic fields on biological magnetoreception in living cells. By measuring changes in flavin autofluorescence, they found that the presence of a magnetic field reduced the cell's ability to emit light.
Researchers found nearly 30% rise in high school infections and 20% increase in elementary school infections after Florida schools reopened. The study suggests remote learning is crucial in managing infection rates until vaccines are available for children.
Rutgers engineers create 3D-printed smart gel that senses light and changes shape, inspired by cephalopod skin. The technology has potential applications in military camouflage, soft robotics, and flexible displays.
A century of data suggests SARS-CoV-2's expected long-term effects on the brain and nervous system will have chronic consequences on quality of life and independence. The study, funded by the Alzheimer's Association, aims to understand how COVID-19 increases risk of neurodegenerative diseases like Alzheimer's and psychiatric conditions.
Research from the University of Copenhagen found that Danish and Chinese people experience bitter tastes differently, with Chinese test subjects being more sensitive. Anatomical differences in tongue papillae may explain this difference. The study suggests that ethnic differences may play a role in taste perception.
A new study published in Nature Food investigated how to ensure the food supply chain functions under environmental disruptions, highlighting key areas for future research. The researchers identified the need to understand the shape of a supply chain, evaluate simultaneous shocks, and quantify substitutions within supply chains.
Researchers found that asteroid Ryugu's water content is lower than expected, suggesting its parent body dried out before formation. The study suggests that a heating event altered the parent asteroid, leaving Ryugu drier.
The Integrator protein complex plays a crucial role in regulating gene expression by terminating non-productive transcription. This mechanism ensures the production of wasteful transcripts is limited while maintaining thousands of transcription start sites for potential functional genes.
Researchers found that cancer cells promote blood clot formation to enter the brain tissue. Inhibiting clotting factors thrombin and von Willebrand factor reduced brain metastases in mice. The study suggests targeting this process with drugs for preventing brain metastases in high-risk patients.
A global research consortium is proposed to collect and share digital speech and language data to detect early signs of Alzheimer's. The consortium aims to create a comprehensive, harmonized repository of samples from diverse cohorts to develop biomarkers that can monitor disease progression.
A team of researchers found that diverse biologically and culturally rich regions exhibit even greater diversity than expected. The study, published in Scientific Reports, suggests a link between complexity and diversity across different domains.
A study found that a retracted clinical trial report continues to be cited 11 years after its retraction, and citations actually increased after it was retracted. The number of articles retracted is tiny compared to publications, but retractions are often hard to find, and notices may not mention the reason for retraction.
Researchers tested seven AI screening algorithms against expert ophthalmologists and found that most perform poorly in real-world settings, highlighting the need for proper image quality and training data. Only one algorithm matched human screener performance.
The study reveals that N-terminal amphipathic motifs of certain Arf proteins determine their specific subcellular localization in a GTP-independent manner. This uncoupling of membrane association and activation may provide new insights for targeting proteins to specific intracellular locations.
A new NIH grant will support advanced statistical models for analyzing large-scale metabolomics data sources, aiming to better understand the links between metabolic action and chronic health conditions.
Researchers at Columbia University are developing a novel platform to enable factory workers to work remotely using a robot teleoperation system. The system will allow workers to specify high-level task goals without expert knowledge of the robot hardware and configuration, enabling greater job access for workers regardless of geograph...
A recent study found that nearly 40% of Facebook posts about the HPV vaccine amplified perceived health risks, leading to a false perception of the vaccine's safety. Monique Luisi, an expert in health communication, believes this phenomenon can inform the COVID-19 vaccine rollout and distribution.
A new study suggests that a bedside EEG test can aid in prognosis for unresponsive brain injury patients by measuring their response to speech. The strength of these responses is correlated with the patient's outcome and can help clinicians make effective treatment decisions.
Researchers found that decreased activation of gene LEF1 disrupts neuronal function and promotes hyperexcitability in brain cells, a hallmark of bipolar disorder. Increasing LEF1 expression may lead to new drug targets and biomarkers for lithium nonresponsiveness.
The article reviews the development of surgical microscopes, from their introduction in 1921 to the latest advancements. Advanced technologies such as augmented reality displays, hyperspectral imaging, and robotic visualization platforms are increasing the capabilities of surgical microscopes. These improvements enable better visualiza...
Researchers studied the impact of a marine heatwave-associated harmful algal bloom on Dungeness crab fishing communities. They found that 71% of vessels temporarily left the industry, but those who adapted by participating in other fisheries or moving to more favorable locations were better resilient.
Scientists have created 2D CaCl crystals that display unexpected metallicity and room-temperature ferromagnetism. These crystals exhibit piezoelectricity-like behavior and have potential applications in transistors and nanotransistor devices.
Antisense oligonucleotides (ASOs) target disease-causing proteins, but can affect non-targeted proteins causing side effects. Researchers have developed a DNA/DNA double-stranded oligonucleotide that enhances ASO efficacy and stability in the body.
A new UCL study found that combining heat treatment with chemotherapy delivered via magnetic nanoparticles killed cancer cells more effectively than chemotherapy alone. The therapy showed synergistic effects, enhancing the effectiveness of both treatments when combined. Heat treatment can reduce side effects by targeting only cancer ce...
Australian researchers have discovered a new mechanism by which prostate cancer cells can adapt and evolve into more aggressive forms, making them resistant to treatment. The study highlights the importance of targeting microRNA-194 to slow down and inhibit the growth of prostate cancer models with neuroendocrine features.
A new study from Incheon National University reveals a fully transparent solar cell that can absorb UV light while transmitting most visible light. The cell's performance is encouraging, with a power conversion efficiency of 2.1% and high responsiveness in low light conditions.
New research from Johns Hopkins Medicine has uncovered that greater obesity seems to make muscle contraction much weaker in this very common form of heart failure. The study found that in patients with severe obesity, the force response to high calcium was reduced by 40%, suggesting that obesity is the key factor.
Experts have agreed on a new global definition of fermented foods, specifying the differences between them and probiotics. The definition covers thousands of different types of fermented foods from around the world and provides a starting point for further research into their effects on human health.
A new study reveals that periodontitis-causing bacteria Porphyromonas gingivalis borrows growth molecules from harmless Veillonella parvula, enabling its replication and causing gum disease. The relationship is one-directional, with V. parvula receiving no obvious benefit from sharing its growth molecules.
Research suggests hotel companies that promote a woman over an equally qualified man are perceived as fairer and less discriminatory, leading to a stronger organizational culture and higher financial performance. The study found that women account for only 12% of all hotel leadership positions, despite making up the majority of the acc...
A Sandia Labs research team used machine learning to complete materials science calculations 42,000 times faster than normal, accelerating the creation of new technologies for optics, aerospace, and energy storage.
A new University of Colorado Boulder study found that exercising individuals emit up to five times more chemicals from their body than sedentary people, which combine with bleach cleaners to form unknown airborne chemicals. The team detected a specific reaction product, N-chloraldimines, in gym air, raising concerns about indoor air qu...
Researchers at the University of Surrey found that practicing gratitude and thinking about a positive future can improve social connectedness and overall wellbeing. The study suggests that focusing on the present moment and appreciating what is good in life can be more psychologically beneficial than dwelling on the past.
Scientists have developed a new method to observe polymer crystallization in real-time, allowing for direct measurement of the rate, extent, and location of crystal growth. This breakthrough enables manufacturers to test polymer materials for specific mechanical properties during crystallization.
Organic solar cells have improved efficiency by up to 18.3% with the use of diquat, a molecular dopant created through electrochemical reduction. This breakthrough increases optical absorption and charge lifetime, paving the way for more efficient energy conversion.
A study by North Carolina State University found that non-immigrant adolescents object less to bullying when the victim is an immigrant, but more strongly with increased contact and higher Theory of Mind scores. The researchers also discovered that positive interactions between groups can encourage kids to intervene in bullying.
Researchers developed a novel endoscopic technique, Linked Color Imaging (LCI), to improve detection of cancer in the upper digestive tract. LCI technology enhances contrast of mucosal changes by combining specific wavelengths of light, detecting neoplastic changes 1.67 times more frequently than conventional White Light Imaging.
Researchers developed a biology-based mathematical model that incorporates information about SARS-CoV-2 and various treatments. The model suggests optimal treatment for older patients and those with pre-existing conditions, including the use of clot-preventing drugs and immune response-modifying drugs.
The California Walnut Commission has partnered with the American Heart Association to fund early career scientists studying the health benefits of walnut consumption. The joint funding initiative aims to advance knowledge about the effects of walnuts on public health outcomes.
A systematic review of international COVID-19 literature found that young children under five years old generally develop mild disease and are often asymptomatic. The study also highlights the potential risk of transmission from infants to mothers, caregivers, and other family members.
A 10-year study found that individuals with high sensitivity to alcohol's pleasurable effects are more likely to develop an alcohol use disorder. Higher sensitivity, not tolerance, is linked to increased risk and addictive behavior.
A recent study identifies Canada's most critical areas for ecosystem services, including freshwater, carbon storage, and nature-based recreation. The research highlights the need to protect these areas from human activities that threaten their conservation.
Lehigh University researchers are transforming an aberration-corrected scanning transmission electron microscope (STEM) into a synchrotron facility, expanding scientists' ability to characterize material composition and bonding status down to the single-atom level. The new system will have capabilities up to ~13,000 eV and enable the i...
Researchers have broken down the genomic and life history traits of three classes of RNA viruses, identifying natural products that could disrupt their spread. The study highlights potential treatment strategies, including the use of compounds produced by marine and terrestrial organisms with demonstrated antiviral activity.
The Hamilton Eye Institute at University of Tennessee Health Science Center has received a $300,000 RPB Challenge Grant to continue its vision research initiatives. The grant will support the expansion of research faculty, innovative pilot studies, and new equipment for the institute's research efforts.
A clinical trial evaluated the safety and effectiveness of two cell therapies for treating angiitis-induced critical limb ischemia, yielding satisfactory results. The study found that both therapies provided evidence for precise application under different conditions.
Researchers found that umbilical cord-derived mesenchymal stem cell infusions safely reduce the risk of death and quicken recovery time for severe COVID-19 patients. Patient survival at one month was 91% in the treatment group versus 42% in the control group.
The State University of New York has awarded grants to three Binghamton University teams to pursue research projects related to COVID-19. The projects focus on developing new antiviral surface sanitizers, a low-cost surgical mask with N95 filtration efficiency, and a rapid sensor to monitor SARS-CoV-2 on high-contact surfaces.
Researchers from Osaka City University have successfully recycled a type of plastic found in everyday items into liquid fuels and wax using a novel catalyst process. The process, which requires temperatures as low as 473 degrees Kelvin, produces a 92% yield of useful materials.
Researchers found that Arabidopsis seedlings adapted by increasing cell division and reducing cell elongation on ammonium, but reversed this balance on nitrate. The key hormone auxin regulated the balance between cell proliferation and cell expansion.
Researchers discovered that some English bulldogs diagnosed with a common cancer may actually have polyclonal B-cell lymphocytosis, a non-cancerous syndrome. This condition can save dogs from being misdiagnosed or euthanized unnecessarily.