A clinical trial of a three-month tuberculosis treatment regimen has been closed due to high rates of unfavorable outcomes. Participants who received the investigational treatment experienced ongoing or recurring TB at rates above thresholds set in the study protocol.
The study reveals five distinct brain types, each suited for its purpose, from a jellyfish's diffuse neural network to the human brain's reflective capabilities. Researchers suggest that autonomous machines can learn from coordination in bees, rapid thinking in birds, and single-mindedness in worms.
New research reveals that sunscreen contamination may be less harmful to wildlife than previously thought, with exposure posing a low risk to small aquatic animals compared to individual chemicals.
A study found that epistemic injustice associated with racism impacts Black patients' perspectives on medical care and decision-making during serious illness and end-of-life. This suggests the need for intersectional approaches to improve patient-clinician communication and alleviate distress caused by racism.
Researchers at Kumamoto University identified a cell surface marker, ROR1, that promotes hyperproliferation and metastasis in pancreatic cancer. High expression of ROR1 drives tumorigenicity and intratumor heterogeneity, suggesting a potential therapeutic target for pancreatic cancer therapy.
Researchers at the University of Colorado Boulder have developed a new way to recycle polyethylene terephthalate (PET) plastic using electricity and chemical reactions. In small-scale lab experiments, PET was broken down into its basic building blocks, which can be recovered and potentially reused to make new plastic bottles.
A large granite deposit discovered below the lunar surface suggests ancient volcanic activity, likely feeding a volcano that erupted 3.5 billion years ago. The finding helps explain how the early lunar crust formed.
A recent study from the University of Helsinki found that fish mercury concentrations are highest in winter and near spring spawning, but lowest in autumn after the growing season. This seasonal pattern is linked to changes in fish metabolism and food availability during colder months.
Researchers have developed a vaccine that enhances the response of engineered T cells and stimulates the immune system to generate new T cells targeting other tumor antigens. This approach increases the likelihood of tumor eradication in solid tumors like glioblastoma, with a success rate of up to 80% in mice.
Researchers at the University of Pittsburgh School of Medicine found no evidence that prescription stimulant treatment in childhood increases the risk of substance use disorder (SUD) later in life. The study, published in JAMA Psychiatry, suggests that stimulants are an effective treatment for ADHD with few side effects.
A genome-wide association study found 150 genetic factors linked to diverticular disease of intestine (DivD), an overlooked and understudied disease. DivD is highly heritable, with 40% of risk inherited, according to researchers.
Researchers have developed a new technology that uses acoustic tweezers to precisely control bacterial clusters in live mice, demonstrating a promising approach for targeted drug delivery and cellular therapy in cancer treatment. The technology, called PAHAT, enables precise non-contact manipulation of cells in living organisms.
Researchers found a major shift in Martian climate about 400,000 years ago, coinciding with the end of the last glacial period. The prevailing wind direction changed from northeast to northwest, eroding crescent-shaped dunes into longitudinal ridges.
A new study using mass spectrometry analyzed hand scent compounds from 60 individuals and achieved a 96.67% accuracy rate in predicting sex. The analysis can be used to uncover details about a potential perpetrator, such as age and racial or ethnic group, when other evidence is lacking.
A recent study found that international migrants in Australia are at increased risk of HIV infection due to reduced access to PrEP, a highly effective prevention measure. The study identified multiple barriers, including lack of awareness, low risk perception, and provider discrimination, which hinder their ability to access PrEP.
A recent study found that Kenyan patients who spend more than three days in hospitals are more likely to harbor antibiotic-resistant bacteria. The research team identified three risk factors associated with colonization, including hospitalization for extended periods and intubation.
A South African study found that interacting with children can promote a sense of belonging and purpose, reducing anxiety and depression in retirement home residents. The program, which includes activities like playing games and reading, also boosts mood and emotions.
A new study in Nature reveals that fruit flies use a rise-to-threshold calcium signal to guide their decision-making process, similar to humans weighing options. Flies that spent more time exploring made more accurate decisions, mirroring the finding that humans tend to make better choices when given more time.
Researchers discovered a novel peptide, T14, that is detectable in human keratinocytes and inversely related to age, with higher levels found in chronically photosensitive individuals. The study suggests that monitoring T14 levels may offer insights into the link between degenerative diseases and epidermal cell profiles.
A Stanford-led study found ways for frontline communities to gather data and improve outcomes through surveys, air quality monitoring, and interventions. The research highlights the importance of community-led science and structural systems in creating climate hazard exposure.
A new study investigated the use of positron emission tomography (PET) with radiotracer (18F)-Flortaucipir to detect chronic traumatic encephalopathy (CTE) in former professional American-style football players. The study found no significant differences in (18F)-FTP uptake between former players and age-matched male control participan...
A team of researchers has identified a unique genetic signature in CAR T-cells that enables them to persist in the body for a longer time, leading to improved remission rates for children with leukaemia. This discovery provides a new understanding of why some CAR T-cells last longer and can help improve treatment outcomes.
Researchers studying ancient bird fossils discovered that molting, the process of shedding and regrowing feathers, was more complex than previously thought. The discovery sheds light on how ancient birds, including those that survived the mass extinction event, developed this crucial survival strategy.
Researchers have developed bat-inspired drones to eliminate moth pests from greenhouses using sound-based technology. The drones' noise affects moth flight behavior, causing some to fly erratically and others to cease flying altogether.
Researchers at Brigham and Women's Hospital found that depression after traumatic brain injury (TBI) has distinct abnormalities in brain circuitry compared to traditional major depressive disorder. The study proposes a new name for TBI-associated depression: 'TBI affective syndrome.'
Researchers found that students with high levels of 'eudaimonia', or feelings of competence, motivation, and self-esteem, outperformed their peers in GCSE-level assessments, especially in Maths. However, life satisfaction was not linked to academic performance.
Melinda Adams' research highlights the benefits of pyromantic or 'good fire' in reducing environmental dread, fostering control, and promoting carbon storage. Her work, co-authored with Erica Tom and Ron W. Goode, aims to educate students and community members about Indigenous land stewardship and climate solutions.
A recent study suggests that Black Americans experience accelerated biological aging compared to White Americans, primarily due to lower socioeconomic status and exposure to air pollution. The findings highlight the significant impact of environmental factors on epigenetic aging disparities between racial groups.
A new study from the University of Montana found that ChatGPT's GPT-4 AI has reached the top 1% in terms of original creative thinking, outperforming human students and national averages. The AI excelled in generating fresh responses, a hallmark of human imagination.
Researchers at Moffitt Cancer Center found that higher c-reactive protein levels were associated with greater depression and less physical activity among patients with gynecologic cancers. However, most inflammatory markers were not linked to treatment-related symptoms.
Scientists have confirmed that Earth's inner core is not a homogenous mass, but rather a textured solid metal sphere. The research, led by Guanning Pang and Keith Koper, used seismic data from naturally occurring earthquakes to study the inner core's structure.
A recent study has shown that the mutual symbiosis between bacteria and fungi can be fragile, as a specific protein maintains the balance. When this protein is absent, the bacteria are trapped within fungal hyphae and die.
A new study finds nearly two-thirds of Medicare Advantage psychiatrist networks contain less than 25% of all psychiatrists, leaving many seniors without access to mental health care. The research suggests that this limited coverage may lead to higher out-of-pocket costs, delays in care, and foregone treatment.
Researchers have developed a method to produce highly active mRNA vaccines at high purity using a unique cap to easily separate the desired capped mRNA. This 'Purecap' technique extracted up to 100% pure Cap2-type mRNA, which showed improved protein production and lower immunostimulatory activity.
A study by Max Planck Institute of Animal Behavior found that American mink can regain almost full ancestral brain size within 50 generations after escaping captivity. This reverses the long-held assumption that domestication causes permanent brain size loss in animals.
Researchers found that a diet high in soybean oil decreases beneficial bacteria and increases harmful bacteria, leading to increased inflammation and susceptibility to colitis. Olive oil, with lower amounts of linoleic acid, is considered a healthier alternative.
Researchers have developed a method to produce pharmaceutical precursors from biorenewable β-pinene, a waste by-product from the paper industry. They successfully created paracetamol and ibuprofen using this compound, presenting a potential alternative to crude oil-based products.
A robotic system, WormPicker, autonomously detects and manipulates Caenorhabditis elegans for genetic research, increasing productivity for human researchers. The system accelerates studies in diverse areas of C. elegans biology.
A UTHealth Houston study found that regular cannabis users are more likely to experience complications before, during, and after surgery. Patients with a cannabis use disorder (CUD) were approximately 20% more likely to suffer significant postoperative complications than those without CUD.
For over a billion years, the sun's atmospheric tide countered the moon's gravitational pull, keeping Earth's rotational rate steady and day length at 19.5 hours. This balance was disrupted by climate change, resulting in our current 24-hour day stretching to over 60 hours if not for the pause.
A study by University of Houston and Texas A&M Transportation Institute found that daily driving is stressful to many people, particularly those with a predisposition to anxiety, who experience significant cardiovascular activation
Researchers have identified a biomarker called CXCL-9 that can be used to diagnose acute tubulointerstitial nephritis (AIN), a condition causing inflammation of the kidneys. The biomarker can be detected via a simple urine test, potentially reducing the need for kidney biopsies.
Researchers demonstrate that AI language models like ChatGPT can generate high-quality fraudulent medical articles with standard sections and references. The study highlights the need for increased vigilance and enhanced detection methods to combat potential misuse of AI in scientific research.
A study by Caltech scientists reveals that Earth primarily consisted of dry, rocky materials during its early stages, with a major addition of life-essential volatiles occurring only in the last 15% of its formation. This finding provides crucial insights into the planet's formation process and has important implications for theories o...
Researchers found that companies use a variety of strategies to hide their political activities, including those below the surface not observable by public, according to McCombs School of Business Associate Professor Tim Werner. The study provides insight into corporate decision-making and can inform policies related to transparency
A new study by CABI reveals that invasive non-native species (INNS) in the UK cause an estimated £4bn in economic losses each year. The study found that fungi are the costliest group, accounting for 52.9% of total costs.
Fewer than half of new drugs approved for multiple indications in the US and Europe between 2011 and 2020 offered significant benefits over existing treatments. A study found that supplemental approvals were substantially less effective, suggesting a need to clearly communicate this information to patients and reflect it in drug prices.
A new Boston University study found that COVID vaccines likely do not affect menstrual cycle regularity, bleed length, or pain. Menstrual cycles increased by 1.1 days after a first dose and 1.3 days after a second, but these changes resolved within one to two cycles.
Researchers at EPFL have found a way to teach quantum computers to learn and process information using principles inspired by quantum mechanics. By training quantum neural networks (QNNs) on a few simple examples called 'product states', the computer can effectively grasp complex dynamics of entangled quantum systems.
The ikHerstel app empowers patients to regain control over their recovery process after major abdominal operations, leading to a 13-day faster recovery. Patients can monitor their progress via the app and contact specialists for e-consultations.
A new special issue of Calcified Tissue International & Musculoskeletal Research explores how the skeleton functions as both a secretory organ and an endocrine target tissue. Researchers discuss key avenues in this area of research, including deciphering hormone messages encoded in bone cell secretory products.
A recent study finds that most phosphorus stakeholders have significant doubts about the sustainability of existing systems, citing concerns over environmental impact. To advance phosphorus sustainability, stakeholders emphasize the need for new regulations, improved management practices, and innovative technologies.
Scientists have developed a metallic gel that allows for highly conductive 3D printing at room temperature. The gel, which is 97.5% metal, enables the creation of electronic components and devices with unprecedented conductivity.
A recent study published in Scientific Reports has uncovered the crucial role of glutaminase 2 in maintaining glucose homeostasis in pancreatic β-cells, particularly under conditions of hyperglycemia. The research team found that impaired GLS2 activity drives the onset of diabetes mellitus by disrupting insulin and glucagon regulation.
Researchers found that younger age is associated with an increased risk of heart failure in adolescent and young adult cancer survivors treated with sunitinib or sorafenib. Cardiovascular disease is a leading cause of health complications and death among AYAs diagnosed with cancer, with hypertension being a common complication.
Researchers have implemented Orbital Angular Momentum (OAM) as an independent information carrier for optical holography, leading to OAM multiplexed holography. The new design approach, MHC-OAM, uses spatial light modulators to achieve multiramp helical conical beams with different parameters serving as information encryption or decryp...
Researchers at CU Anschutz Medical Campus have found that vaping nicotine during pregnancy can be detrimental to the baby, disrupting bone and lung development. The study suggests that nicotine in e-cigarettes is just as harmful as that in traditional cigarettes.
Researchers use photonics to accelerate convolutional neural networks by harnessing light's unique properties, reducing power consumption and increasing efficiency. This approach enables real-time image processing and scalable solutions for complex images.
Researchers developed a soft, wireless implant that monitors the heart and delivers electrical stimuli to stop atrial fibrillation. The device dissolves harmlessly in the body after a clinically relevant period, reducing healthcare costs and improving patient outcomes.
A recent study published in PLOS One found that most people have something wrong with them, but the relationship between risk factors and mortality changes over time. The researchers discovered paradoxical relationships, such as increased mortality risks associated with lung cancer despite decreased funding for research.