Researchers have found that some pathogenic bacteria use an undulating 'wave-pattern' to mark future sites of division, instead of conventional biological systems. This discovery provides new insights into how these bacteria divide and could lead to new ways to fight them.
Researchers developed a new tool called FLARE to label neurons during specific tasks, providing greater temporal precision than current cell-labeling techniques. This approach could offer significant insights into neuron function and be used to study learning and memory, emotions, and diseases like Alzheimer's.
Researchers at Georgia Institute of Technology have developed a new treatment that prevents cancer cells from migrating and spreading, known as metastasis. The treatment uses locally administered gold nanorods heated by a low-energy laser to target and destroy cancer cells' leg-like protrusions, effectively halting their migration.
A new study reveals that most families in low-income countries lack access to soap at home, with significant disparities across regions. The research underscores the importance of improving handwashing behavior and access to soap in impoverished areas, particularly for children vulnerable to preventable diseases.
Researchers are using head-related transfer functions (HRTFs) to personalize audio in mixed and virtual reality. By capturing a person's unique acoustic fingerprint, the technology can create an immersive sound environment that simulates spatial hearing.
Penn State researchers will use a new grant to develop an extraction technique combining pressure filtration and ion-exchange/ion chromatography to recover rare earth elements from domestic coal. The goal is to determine the economic feasibility of recovering REEs from coal-related materials.
Scientists harness immune system's detection of cancer proteins to improve treatment, showing 20% complete response in preclinical melanoma models. The 'sticky' nanoparticles work synergistically with immunotherapy drugs to increase immune cell response.
Researchers at Stockholm University have determined the three-dimensional structure of the entire tetanus toxin protein, revealing its exact atomic positions. The discovery sheds light on how the toxin interacts with nerve cells and causes life-threatening muscle cramps and spasms.
Hurricane Dora formed on June 25 as a tropical storm and strengthened into the first hurricane of the season by June 26. The storm is currently located near latitude 16.7 degrees North and longitude 105.3 degrees West, moving towards the west-northwest at 13 mph.
A recent study by Penn State researchers found that young, U.S.-born Latino males report the highest levels of discrimination in both interpersonal and institutional contexts. The study, published in the Social Science Research journal, suggests that this group's higher expectations for inclusion and awareness of unfair treatment contr...
A new study published in Current Biology found that bacterial cells are limited by their ability to produce fat, which affects their growth and size. The research, conducted at Washington University in St. Louis, used a novel approach to understand the role of biosynthesis in cell-size regulation.
Researchers have developed a new skin cell model to study the genetic mutation ACTA2-R258C, which is linked to early-onset aortic aneurysm and moyamoya-like cerebrovascular disease. The study found that the mutation disrupts cytoskeleton functions, leading to impaired smooth muscle contraction and increased risk of heart disease.
Researchers at ICFO have developed a phase modulator using graphene plasmons, enabling ultra-compact light modulation with a device footprint of only 350 nm. The discovery has potential applications for on-chip biosensing and two-dimensional transformation optics.
Researchers discovered that dendritic mitochondrial flash, also known as 'mitoflash,' is essential for converting short-term memories into long-term ones. The study revealed that mitoflash facilitates the transition from short-term to long-term synaptic potentiation through a bi-directional interaction between mitochondria and synapses.
A new study from the University of California, Berkeley found that dementia patients tend to die sooner when cared for by family members with depression or anxiety. The study tracked 176 patients and their caregiver mental health over several years, revealing a strong link between patient survival and caregiver well-being.
Researchers developed a novel technique that combines a micro-camera with a subjective re-situ interview to better understand physician decision-making in emergency medicine. The study found that this approach provided a more authentic understanding of clinical decision-making compared to traditional external perspectives.
A study from North Carolina State University found that common wild bee species decline as urban temperatures rise. The researchers used a lab test to predict how whole populations will fare at higher temperatures in urban areas, finding that the least heat-tolerant species are most affected.
The UT-ORNL led US-China Transdisciplinary Environmental Research Network will identify transdisciplinary research opportunities and collaborations for scientists in the US and China. The project aims to enhance sustainable use of natural resources, address global issues involving food, energy, and water systems.
Recent developments in biofabrication can potentially regenerate cartilage and treat joint damage. Biofabrication allows for the generation of complex living structures using digital medical images as blueprints.
A study analyzed 5,144 reported adverse events from 2004 to 2016, with a significant increase in hair care product-related incidents between 2015-2016. The findings highlight the need for better cosmetic surveillance due to limited FDA reporting obligations and potential consumer attributions of serious health outcomes.
The Endocrine Society issued a Scientific Statement on obesity's causes, emphasizing the need to understand underlying mechanisms that make it difficult to maintain weight loss. The statement highlights the complex interplay between genetics, developmental influences, and the environment in contributing to obesity.
Research published in The Journal of the American Osteopathic Association finds that off-label antipsychotic medications increase mortality rates in elderly people with dementia. Non-drug interventions like behavior management and sensory stimulation show promise as effective alternatives.
A new study found that starting HIV treatment early is associated with accelerated bone loss of about 2-4%, which can increase the risk of fragility fractures. Despite this, the benefits of antiretroviral therapy in preventing HIV transmission and adverse health outcomes prevail.
A study published in the Journal of Clinical Investigation reveals a mechanism to reverse disease in arteries by targeting an immune reaction. Researchers at NYU Langone Health discovered that certain immune cells can switch from promoting inflammation to healing, which can lead to reduced plaque growth and improved cardiovascular health.
Dr. McKay's research has shown that l-dopa can delay or prevent macular degeneration in individuals with Parkinson's disease. He will now investigate the role of dopamine signaling pathways in AMD prevention.
Dr. Matthew Stanbrook argues that Health Canada's proposed changes are a step forward but need further action to protect consumers. The new regulations aim to hold nonprescription drugs and natural health products to the same standards, but direct evidence is needed to determine risk.
A new study found that black patients on traditional Medicare are 33% more likely to be readmitted after surgery, while those enrolled in Medicare Advantage plans are 64% more likely. The authors suggest lower quality care, follow-up support, and social factors may contribute to the disparities.
Researchers found genes that form heart cells in humans and animals in a sea anemone's gut, which may help explain its regenerative abilities. The study suggests potential for tweaking human gene communication to stimulate regenerative healing and treat heart conditions.
Researchers developed an algorithm to capture neural activity within mouse brain tissue, enabling them to track hundreds of individual neurons in a single recording. The technique, combined with light field microscopy, allows for real-time monitoring and alteration of stimuli based on brain activity.
A new study found that nearly 10% of the world's total catch in the last decade was discarded due to poor fishing practices and inadequate management. The discarded fish could have been put to better use, highlighting the need for improved fisheries management and new technology to reduce waste.
A study has identified a common gene mutation linked to retinitis pigmentosa in Hispanic families from the Southwestern US, with over 70 genes now known to cause the disease. The researchers found that a dominant mutation in the arrestin-1 gene is responsible for 36% of cases, offering hope for future treatments and therapies.
International scientists warn that deep-sea mining will inevitably harm biodiversity due to the scale and depth of operations. The Clarion-Clipperton Zone in the Pacific Ocean is at risk of severe damage, with some projects covering over 83,000 square kilometers.
Researchers at Washington University in St. Louis have caught primary metabolism in the act of evolving, revealing a novel form of an enzyme that produces tyrosine. This breakthrough could lead to increased production of essential compounds, such as vitamin E and opioids.
Scientists have developed a bioorthogonal labeling approach to identify sialylated glycoproteins in prostate cancer tissue, which could serve as tumor markers. The method allows for direct assessment of tumor metabolism in its natural environment, providing insights into cancer biology.
Researchers at the University of Notre Dame have developed a novel platform using nanoparticles to detect peanut allergies. The technology mimics natural allergens and evaluates the potency of allergic responses using antibodies from patient blood samples.
A randomized trial of whole genome sequencing in healthy primary care patients reveals that nearly a fifth carry pathogenic variants for rare diseases. While anxiety remains low, participants incur more medical tests and healthcare expenses following disclosure of results.
A recent Michigan State University study reveals that panda conservation in China has far-reaching benefits for the environment, including increased biodiversity and carbon sequestration. The research found that nature reserves created to protect pandas are also benefiting other plant and animal species.
A new risk assessment tool has been developed by Cedars-Sinai researchers to predict and prevent sudden cardiac arrest. The score is calculated using widely available and inexpensive 12-lead electrocardiogram (EKG) technology, and patients with scores above 4 have a 20 times increased risk of sudden cardiac arrest.
A new study found that low childhood socioeconomic status is associated with increased left ventricular mass and impaired diastolic function in adulthood. The findings suggest that addressing family environment in early life may be crucial for sustaining cardiovascular health later in life.
Activity monitors have moderate validity compared to other measures of daily energy expenditure and physical activity, leaving out important information such as intensity of effort. Current accelerometers perform well at moderate walking speeds but struggle under other conditions.
Researchers found that wire-free electrodes and the round window surgical approach improved long-term hearing preservation in cochlear implant patients. The study's lead investigator notes that these findings have major implications for doctors and patients seeking to restore their hearing.
Researchers have developed a new technique called Cal-Light to visualize and control neuronal activity. This tool allows for the observation of specific populations of cells implicated in particular behaviors, enabling precise manipulation and dissection of complex neural circuits.
Researchers at Berkeley Lab found a way to pack more data in single acoustic beams for underwater communications, increasing information transmission rates. They demonstrated this by encoding binary data onto an acoustic signal, effectively increasing the amount of information that can be transmitted.
A study reveals how individual-based modeling can help researchers predict the long-term effects of introduced herbivores on invasive species, such as melaleuca. The model suggests that introducing a native beetle can reduce melaleuca growth by 83% and its reproduction by 49% over 20 years.
Researchers from the University of Utah analyzed oxygen isotope data from herbivore teeth and tusks to understand climate dynamics in the Omo-Turkana basin. The findings suggest that fluctuations in rainfall timing and interactions between plants and animals, rather than long-term drought, drove changes in the region's ecosystem.
Research suggests that night shift work impairs the body's ability to repair DNA damage caused by normal cellular processes. Suppression of melatonin, a hormone regulating the internal clock, is thought to be a key factor in this impairment. This may result in higher levels of DNA damage and potentially carcinogenic effects.
A recent study reveals that a third of marine megafauna disappeared around three to two million years ago, leading to a significant reduction in species diversity. The loss of functional entities resulted in an erosion of ecological functions, with 17% of total diversity disappearing and 21% changing.
A new study suggests that monitoring wetland extent can better predict the release of methane from thawing permafrost. Researchers found that decomposition of new organic matter is the main source of methane released, not previously frozen carbon. This knowledge can help improve predictions and understanding of climate change impacts.
Researchers at UNIGE show that Fprs, present on immune cells, also bind to molecules linked to pathogens in the nose of mice, indicating an evolutionary shift towards olfaction. This innovation resulted from two genomic 'accidents' occurring millions years apart during rodent evolution.
A study has characterized the mouse genome, revealing new insights into rare diseases and accelerating the development of new treatments. The research identified 360 new disease models and 28,406 new descriptions of genes' effects on mouse biology and disease.
A new study by Lund University researchers shows that Amazon basin deforestation can disrupt the entire rainforest's resilience and ability to absorb carbon dioxide. Deforestation creates a vicious circle of local warming and changed air circulation patterns, affecting even the untouched inner parts of the rainforest.
Research published in the journal Heart found a significant association between persistent moderate to severe mental distress and increased risk of death among patients with stable coronary heart disease. Conversely, mild or occasional distress over the long term showed no such link.
Researchers found that tweets containing moral and emotional language increase retweets by 20% per word, but only among networks aligned with the sender's ideology.
A new study links declining steelhead trout populations to poor survival rates of juvenile fish in the ocean. Ocean survival rates have declined by 77% in some areas, contributing to low adult abundance and impacting conservation efforts.
Researchers at Berkeley Lab have discovered a new type of semiconductor that can emit multiple bright colors from a single nanowire, challenging traditional quantum dot displays. The 'soft' semiconductors use ionic bonds instead of covalent bonds, making them easier to reconfigure and produce.
Researchers at Stockholm University have found that water can exist as two different liquids at low temperatures, with large differences in structure and density. The discovery was made possible through experimental studies using X-rays, which revealed the existence of these two liquid phases.
Researchers found that pre-school children respond well to simple interactions, while older children engage with robots that reference previous conversations. Interactive storytelling also boosts vocabulary and cognitive development in young children, suggesting that collaborative technology can be an effective tool for education.
Scientists at St. Jude Children's Research Hospital found that epigenetic changes cause T cell exhaustion, leading to failed immunotherapies against cancers and viruses like HIV. Treating T cells with decitabine reversed exhaustion, enabling improved treatment efficacy.
Researchers have developed a new high-throughput technique to determine protein interactions, generating massive libraries and revealing over 8,000 interactions in Arabidopsis transcription factors. This approach enables faster study of fundamental biological interactions and potential treatments for metabolic dysfunction.
The NAWI Graz researchers have developed a method to measure plasmon fields in three dimensions, enabling the focus of light at the nanoscale. This breakthrough could lead to new applications in sensor technology, photovoltaics, and computer storage.