A 72-66-million-year-old dinosaur embryo discovered in a fossilized egg is found to have a bird-like posture, similar to modern bird embryos. The discovery suggests that these postures may be an evolutionary precursor to the tucking behavior seen in modern birds.
A study reveals that some butterfly and moth species have evolved transparent wing patches as a dual defence system to warn predators and hide from sight. The patches' unique structures enhance transparency, controlling how light passes through the wing.
A newly discovered extinct reptile species, Shashajaia, has provided insights into the evolution of human teeth. The ancient creature's unique dental structure shows evidence of canine-like differentiated teeth present in synapsids by the Late Carboniferous period.
A large-scale new study found that frailty was a strong risk factor for dementia, even among people at high genetic risk, and that it can be modified through a healthy lifestyle. Over 10 years, dementia was detected in 1,762 participants, with those who were frail before diagnosis having a much higher risk.
EG-CNTFET biosensors have demonstrated high sensitivities toward several analytes, but challenges remain to overcome, such as selective detection in complex media.
A COVID-19 antibody survey in Sierra Leone found significant underreporting of cases and low vaccination rates, posing a risk to populations with limited immunity. The study's findings call for rapid vaccine deployments and support for intellectual property waivers to address the pandemic's progression.
Researchers discovered that ERK5 inhibitors activate endoplasmic reticulum stress and UPR in tumor cells, leading to a toxic form of autophagy that causes apoptosis, potentially improving cancer treatment. This finding opens a promising new line for the improvement of chemotherapy and more effective strategies against cancer.
A new study found that children and adolescents with persistent high levels of anxiety are more likely to develop psychosis in their early 20s. Treating early anxiety by targeting stress hormones and non-resolving inflammation during childhood and teenage years could help prevent young adults from developing psychosis.
Researchers found that for 20% of risk factor combinations, Black-white differences in predicted risk can result in different treatment decisions. They also observed large differences in predicted risk, with Blacks being prescribed statins more often due to perceived higher risk.
Researchers found that the same brain systems involved in learning from trial and error are also engaged when people conform to social norms. The study used electroencephalograms to track brain activity and showed that participants' behavior was influenced by their peers' actions, leading to changes in generosity and selfishness.
Researchers at Brigham and Women's Hospital discovered a new mediator, 4S, 5S-epoxy-resolvin, that resolves acute inflammation and stimulates tissue regeneration. The study found that this mediator also controls granuloma formation in human leukocytes.
A US study found that stigma surrounding depression decreased significantly over two decades, while stigmas towards other mental health disorders remained stagnant or even increased. The research suggests that anti-stigma efforts can lead to more progressive attitudes and improved support for those with mental illness.
Researchers have discovered how dormant Toxoplasma parasites in the brain manipulate host cells to survive. The parasites release proteins called Inhibitor of STAT1 transcription (IST) to suppress immune signals, allowing them to evade detection and cause disease.
A model analyzed air and droplet dynamics, heat transfer, and ventilation in public transportation vehicles. It found that droplets from window seats rose more and invaded other passengers' space after exhalation, while those from aisle seats contaminated aisle passengers more due to downward flow of personal ventilation.
Researchers at Weill Cornell Medicine discovered that deleting the EtfD Mtb enzyme renders Mycobacterium tuberculosis unable to sustain an infection in mice. The enzyme plays a critical role in fatty acid breakdown, making it an attractive target for TB treatment.
A novel carbon-based biosensor developed at the University of Technology Sydney detects electrical signals sent by the brain, translating them into commands for autonomous robotic systems. The biosensor overcomes three major challenges in graphene-based biosensing: corrosion, durability, and skin-contact resistance.
A new study found that AI can help physicians interpret x-rays after an injury and suspected fracture. AI-assisted diagnosis reduced missed fractures by 29% and increased sensitivity by 16%, improving efficiency and accuracy.
A pilot study suggests that machine learning algorithms combining EKG and electronic health record data can more effectively screen for pulmonary embolisms than current tests. The fusion model was found to be 15-30% more effective at accurately identifying cases, especially severe ones.
Researchers found that certain bacteria in the human microbiome can produce an enzyme called acarbose kinase, which renders acarbose inactive. This enzyme is present in three major categories of oral and gut bacteria and may make people resistant to the antidiabetic drug.
Researchers developed a virtual walking system that uses 360° videos and scene-congruent foot vibrations to improve sensations of walking and perception of ground materials. The system was found to enhance walking-related sensations and telepresence, particularly in indoor corridors and snowy ground scenes.
Aston University's Aston Institute of Photonic Technologies has received a £100,000 grant to support its research in food and agri-tech. The new equipment will enable the development of cost-effective photonic technology for quality control in food processing and manufacturing.
Researchers have discovered a new material, α-MoO3, that can be used to create invisibility concentrators with improved performance and lower production costs. The study suggests the use of α-MoO3 to control energy flow and scatter light, enabling the creation of devices with near-perfect invisibility.
Associate Professor Morten Arendt Rasmussen from the University of Copenhagen aims to develop a personalized dietary profile using a cohort of young people with asthma and other inflammatory diseases. The goal is to provide tailored diet recommendations that can help alleviate symptoms and improve health outcomes.
Researchers found that handgun buyers with IPV history are at higher risk of committing subsequent violent crimes, including murder, rape, and robbery. The study highlights concerns about the effectiveness of background checks in preventing such cases.
A new clinical trial is enrolling young people with rare genetic mutations that cause early-onset Alzheimer's disease. The study will test gantenerumab to prevent the buildup of toxic protein amyloid beta, which can slow or stop the disease.
A recent study has discovered microplastic in the high-altitude air surrounding Pic du Midi Observatory, located in the Pyrenees mountains. The researchers analyzed 10,000 cubic meters of air and found a concentration of approximately one particle per 4 cubic meters. This finding indicates intercontinental atmospheric transport of micr...
Researchers found that slowness of gait alone can predict loss of capacity to perform basic and instrumental activities of daily living (BADL and IADL) in older adults. The study analyzed data from over 3,000 people aged 60 and over, concluding that measuring gait speed is sufficient for efficient prediction of functional disability.
A team of researchers from Georgia Tech developed a 3D-printed tracheal replacement splint to treat Ramiah, a 4-year-old girl with tracheal agenesis. The Airway Support Device was used in her successful surgery and has improved her breathing capabilities.
A new report by The Hastings Center suggests that releasing gene-edited species into the wild demands deep public engagement. The report proposes a path forward for inclusive, values-based decision-making through public deliberation.
The Tennessee AgrAbility Project has received new funding from the USDA, bolstering its impact and success into 2022. The program, a collaboration between the University of Tennessee Extension and NIFA, assists farmers and farm workers with disabilities by providing support, resources, and equipment to enhance their quality of life.
A transdisciplinary research team at Göttingen Campus has found a new perspective on the rhythmic processes in the brain. They discovered that adapting interneurons can switch between very slow rhythms and fast rhythms, challenging previous assumptions about their function.
Researchers have developed a new methodology combining in vitro experiments with mathematical and computational methods to understand complex regulations in intervertebral discs. This approach aims to slow down or deactivate degenerative processes, increasing understanding of lower back pain treatment options.
A clinical trial of 18,353 adults found no benefit of omega-3 supplements in preventing depression. The study, led by Massachusetts General Hospital and Brigham and Women's Hospital, tested the effect of daily vitamin D and/or omega-3 supplements on depression risk over a median of 5.3 years.
A study analyzing McDonald's social media marketing across 15 countries found that the company prioritizes children in lower-middle-income countries with more posts and child-friendly content. This may exacerbate existing healthcare issues in these vulnerable populations.
Scientists from Tokyo Medical and Dental University create polyrotaxane-based biomaterials that improve epithelial cell-cell adhesion, enabling the repair of damaged tissues. The study suggests a potential application in clinical dentistry for treating periodontal disease.
Scientists used biologging tech to track three seabird species taking different migration routes from a shared Canadian Arctic nesting location. The study adds evidence linking marine biodiversity in the Arctic region to high seas conservation efforts. Local coastal communities are connected through these Arctic seabirds' migrations.
A robot has been developed to assist elderly users with daily actions like standing up, walking, and sitting down. The robot estimates the user's state using a small number of sensors, including calculating center of gravity candidates, to provide necessary assistance and prevent accidents.
A new post-surgery approach for treating HPV-related throat cancer uses low-dose radiation and spares the majority of patients from chemotherapy. The trial found high survival rates and quality of life in patients at medium risk for recurrence.
A recent China-wide study investigated the effect of general versus regional anesthesia on post-operative delirium in older adults undergoing hip fracture surgery. The results showed no significant difference in delirium incidence between the two groups, contradicting previous assumptions.
Physicists at the University of Queensland have developed a comprehensive understanding of vortex pinning and unpinning in two-dimensional superfluids. The study reveals four regimes governing these interactions, including a 'pair creation' regime where vortices are pinned to defects.
Scientists have identified the transcription factor Blimp1 as a new critical regulator of tumor-infiltrating regulatory T cells. Disrupting Blimp1 in these cells remodels the tumor microenvironment and augments the response to immunotherapy, promoting improved tumor control and anti-tumor immunity.
A study by the University of Exeter found that older male elephants help keep younger, more aggressive males calm by policing their behavior. Without these older bulls, adolescent elephants become more fearful and aggressive towards non-elephant targets, posing a threat to humans.
Researchers developed soft manipulators based on pneu-nets, mimicking biological systems like elephant trunks and octopus tentacles. These structures can grasp and manipulate soft objects with increased flexibility.
A team of evolutionary biologists and botanists found that the spoonweed genus, which emerged as a cold specialist during the Ice Age, repeatedly adapted to rapidly alternating cold and warm periods. The researchers identified physiological adaptations to drought and salt stress that helped the plants develop high tolerance to cold.
A multidisciplinary panel of experts developed guidelines for outpatient management of patients with post-prematurity respiratory disease (PPRD), regardless of prematurity or disease severity. The recommendations address diagnostic testing and clinical management, aiming to improve outcomes for premature infants born prematurely.
A recent study found that over half (53.8%) of people with two or three long-term conditions and around 75% of those with four or more report at least one site of chronic pain. Chronic pain is a significant concern for individuals with multiple long-term conditions, highlighting the need for improved management and treatments.
A study by Yale University found that electric vehicles provide lower carbon emissions due to indirect emissions from the supply chain of fossil fuel-powered vehicles. The study suggests that pricing indirect emissions can accelerate the low-carbon transition of the US light vehicle sector.
Researchers discover tBID can induce programmed cell death through mitochondrial damage, revealing a new function for a previously thought signal transducer protein. This finding has implications for treating malignant cells and combating infections like Shigella.
Researchers found that Botox-treated patients reported anxiety significantly less often than those undergoing different treatments for similar conditions. The data used was from the FDA's Adverse Effect Reporting System and showed a 22-72% lower risk of anxiety for four out of eight conditions and injection sites.
A study found that 88% of ED patients with suspected septic olecranon bursitis who received empiric antibiotics without aspiration resolved without needing further treatment. Conservative management may be a reasonable approach for select patients, potentially streamlining care and reducing complications.
A team of scientists from NTU Singapore has developed a plant-based emulsifier that is rich in protein and antioxidants, allowing it to replace eggs or dairy in food staples. The emulsifier is made by fermenting brewers' spent grain and can help cut down on food waste, reducing greenhouse gas emissions.
A study by Osaka City University found that the Kihon Checklist is a useful tool in assessing frailty in patients undergoing transcatheter aortic valve replacement. The checklist, originally developed for Japan's long-term care insurance system, correlated with clinical scores to identify patients at high risk of mortality.
A new Northwestern University study has derived and validated the first set of risk prediction models for lifetime risk of heart failure. The models can identify individuals at greatest risk, especially among young adults, allowing physicians to start prevention measures sooner.
Researchers analyzed brachiopod fossils from the Late Devonian mass extinction to understand why some species survived while others went extinct. Climate change was found to be a primary factor, with temperature fluctuations and geographic isolation hindering mobility.
Researchers have developed a method to store 3D-bioprinted tissues in a frozen state, allowing for long-term preservation and rapid thawing. The technique, known as cryobioprinting, has been shown to retain tissue functionality, enabling potential applications in drug testing and tissue replacement.
High temperatures inhibit flavonoid accumulation in plants by suppressing the expression of flavone synthase (FNS) via the transcription factor CmMYB012. This regulates ROS production and affects plant fitness and flower color formation.
A new study from the University of Surrey found that young women who took prebiotic supplements for four weeks made healthier food choices and consumed less sugar. The researchers discovered that these changes were associated with increased levels of beneficial gut bacteria.
A long-term study by Norwegian University of Science and Technology shows that active recruitment efforts can lead to a better gender balance in technology fields. The measures not only benefit women but also create a more attractive environment for male students.
A Hebrew University study found that parents' religiosity level impacts their child's behavior. In secular Jewish families, psychological control was linked to reduced helpfulness, while in religious Jewish and Muslim families, it showed the opposite effect. The research suggests that parenting style is culturally context-dependent.
A recent study suggests that climate change in some regions is unavoidable even if CO2 levels are reduced. The intertropical convergence zone (ITCZ) shifts southwards when CO2 decreases, triggering persistent El Niño conditions and regional climate changes.