Researchers have confirmed a decades-old mathematical theory explaining the physics of how substances like sand and gravel pack together. The finding provides a simple and elegant way to describe granular material behavior, with potential applications in industries such as energy and pharmaceuticals.
Researchers identified two proteins derived from common gut bacteria that trigger immune responses in RA patients, supporting a link between intestinal and synovial autoimmunity. The discovery provides a potential pathway for improving diagnosis and treatment of rheumatoid arthritis.
A University of Pennsylvania study found that social isolation in fruit flies leads to sleep loss, which causes cellular stress and activates the unfolded protein response (UPR). Chronic activation of UPR is linked to aging and age-related diseases such as Alzheimer's and diabetes.
Researchers have developed new noninvasive ultrasound techniques to image the brain and liver, overcoming limitations caused by bones in these areas. The DORT method uses a multi-element array to focus ultrasound waves through bones, while a lens-based transcranial focusing device has been patented for transskull imaging.
A new Northwestern University study reveals that cosmetic complaints have more than doubled from 2015 to 2016, with hair care products being the biggest offender. The lack of regulatory scrutiny and poor reporting by consumers and manufacturers lead to significant under-reporting of adverse events, with only 200-400 reported annually
New research reveals genetic differences between Middle-Late Jurassic Cu-Pb-Zn-bearing and W-bearing granites in the Nanling Range. A proposed model attributes the formation of these granites to asthenosphere upwelling and basaltic magma underplating, driven by palaeo-Pacific plate subduction.
A University of Waterloo study found that gay men and lesbians who feel socially supported are more certain about their retirement prospects. The research, which analyzed data from over 6,000 working Canadians aged 45 to 70, showed that those who felt isolated or marginalized were less secure in their retirement plans.
A KAIST research team identified a software glitch in smartphones' screen rotation-tracking algorithms as the cause of frequent document photo orientation errors. Their novel technique can correct phone orientation in document-capturing tasks at 93% accuracy and seamlessly work with existing methods.
Researchers develop ultrafast scanning fluorescence correlation spectroscopy to observe membraneless organelles. The technique reveals low-density, permeable structures, contrary to expected dense packing.
Patients with acute heart failure and diabetes show unique signs of kidney health and inflammation compared to those without diabetes. Different treatment strategies may be needed for diabetic patients with acute heart failure due to these differences.
Researchers at Lund University have developed a method to produce diseased, aging brain cells on a large scale in a cell culture dish. This enables experiments that were previously not possible, opening up research areas linked to new drug testing, accurate disease models, and earlier diagnostics.
A streamlined method of tracking medical records reduced racial disparities in HIV care, with blacks and Latinos showing significant improvements in viral suppression rates. The study found that integrated medical records improved use of anti-retroviral therapy and reduced gaps between whites and minorities in HIV health outcomes.
Physicists have observed changes in a vision-enabling interaction between light and matter by focusing laser light to unprecedented brightness. The team discovered unique X-ray pulses with potential for medical, engineering, scientific, and security applications.
The Eurasian ice sheet's collapse 23,000 years ago led to a 20m drop in global sea level and severe flooding. The study reveals that this event was ten times more significant than current rates of ice loss from Greenland and Antarctica.
A review of published evidence shows that having health insurance significantly reduces the risk for death. The study also found that health insurance improves self-rated health and financial protection, and reduces the likelihood of depression.
UCSB scientists compared decades-old data with new field observations to evaluate multidecadal change in sandy beach biodiversity. They found that local processes exerted a stronger influence on intertidal biodiversity than regional factors.
A recent study published in Frontiers found that improper iron supplementation can make people more susceptible to Salmonella infections. In contrast, genetically susceptible individuals may fare better due to a lack of iron in macrophages.
A study published in Respiratory Research reveals abnormal lung structure and function changes in mice exposed to second-hand smoke during gestation, leading to decreased lung function in adult offspring. The research suggests that in utero second-hand smoke exposure can predispose to adult lung diseases.
A new study estimates that air pollution and dust are cutting global solar energy production by more than 25% in certain parts of the world, with China, India, and the Arabian Peninsula being the hardest hit. The regions experiencing heavy losses are also those investing the most in solar energy installations.
A recent study by the University of Otago found that regular brisk walks and daily longer walks significantly lower levels of fatty acids in office workers' blood. This approach may improve metabolic health outcomes and reduce the risk of cardiovascular disease and death.
A new study from UMass Amherst suggests that long-term, high intake of vegetable protein from whole grains, soy and tofu may protect women from early menopause. Women consuming approximately 6.5% of their daily calories as vegetable protein had a significant 16% lower risk of early menopause.
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.