A research team led by Dr. Alida Bailleul has found that ovarian follicles can be preserved in fossils more than 120 million years old, confirming the function of a single functional ovary in birds. The study uses scanning electron microscopy and other methods to analyze fossilized tissues and compare them to extant bird follicles.
A team of researchers led by Elisa Riedo demonstrated a method for fabricating high-quality p-n junctions on single atomic layers of molybdenum disulfide, enabling bipolar conductivity in 2D semiconductors. The technique uses thermal scanning probe lithography to create nanoscale-resolution doping patterns.
Researchers found that absorbed miRNA MIR2911 in honeysuckle decoction can directly target SARS-CoV-2 genes, inhibit viral replication, and accelerate the negative conversion of infected patients. Drinking the decoction accelerates the recovery process.
New research from UBC shows that supportive communities and a progressive political climate can help mitigate the effects of stigma on mental health among LGBTQ youth. The study found that lesbian and bisexual girls in communities with more supportive events and services were less likely to experience suicidal thoughts or self-harm.
Cancer cells release small vesicles called exosomes that can re-programme surrounding cells, driving tumour growth and metastasis. The newly discovered Rab11a-exosomes may help cancers evade treatments.
Three new pathways for organisations to manage digital transformation have been defined by research from Professor Feng Li. The findings highlight the need for diversification and portfolio management to mitigate costs of failure in a highly volatile sector.
Researchers at Wake Forest Institute for Regenerative Medicine have developed an optimized cellular platform for delivering Factor 8 to treat patients with hemophilia A. The new approach uses human placental cells to produce therapeutic levels of Factor 8, potentially providing a long-term correction for the disease.
Researchers developed a single-camera machine vision algorithm allowing indoor robots to guide themselves by identifying reference points on a tiled floor. The technology has wide-ranging potential applications in warehouses, distribution centers, and industrial settings.
Researchers at SLAC National Accelerator Laboratory are utilizing X-ray synchrotrons to better understand the properties of materials involved in purifying salty or contaminated water. This fine-scale understanding can lead to the design of new materials for desalination and mitigation of fouling, addressing a pressing global issue.
Researchers at the University of Leeds and Tohoku University have measured magnon polarisation, a theoretical idea in physics for almost 100 years. The findings pave the way for building low-energy devices using spintronics.
A new study has uncovered 12 proteins linked to both tau and Alzheimer's disease, expanding understanding of the molecular interactions driving neurodegeneration. The research analyzed donated brain tissue samples from individuals with Alzheimer's, revealing dozens of other proteins associated with the disease.
A new study recommends that governments pay billions of pounds to coal plant operators to shut down early and compensate regional economies hardest hit by the loss of coal producers. This will ensure a just transition to greener energy production.
New research map highlights huge variation in ADHD services across the UK, with only 12 dedicated services providing full NICE-recommended treatment. The study found patchy provision of dedicated ADHD services and disparity in service labelling, affecting service users and healthcare workers.
Researchers at Rutgers University found that antibiotic exposure soon after birth can disrupt gut bacteria, affecting immune system maturation and increasing the risk of inflammatory bowel disease. This study provides evidence supporting the hypothesis that disrupting early-life microbiome is a contributing factor to modern epidemics.
Researchers from Brigham and Women's Hospital developed a new, lower threshold for pulmonary vascular resistance to diagnose patients at risk for death due to PH. The study found that 60% more patients can be diagnosed with PH using this new parameter.
Researchers found that non-white counties had higher cumulative incidences and deaths compared to predominantly white counties, even among high-income communities. Structural racism may explain the racial disparities in COVID-19 cases and deaths noted in Black counties.
Clinical studies in Kenya suggest that iron deficiency during infancy may reduce the protection provided by vaccinations. In one study, researchers found that anaemic infants had more than twice the risk of lacking protective antibodies against diphtheria and other pathogens.
A team of international scientists reconstructed the evolutionary history of SARS-CoV-2 and found that the lineage has been circulating in bats for decades. The study suggests that preventing future pandemics requires better sampling within wild bats and real-time human disease surveillance systems.
Researchers discovered chemically diverse magmas beneath Galapagos volcanoes, which could become mobile and lead to unexpected explosive eruptions. The findings challenge the long-held assumption that volcanoes producing consistent basaltic lava flows are stable.
A blood test for Alzheimer's disease has shown high accuracy in detecting the disease, with levels of p-tau217 increasing seven-fold in individuals with Alzheimer's. The test detected tau brain changes 20 years before cognitive impairment in those with a genetic predisposition.
A Rutgers study suggests that companies commercializing cell-based seafood products should use the term 'cell-based' on product labels to meet FDA regulations. The study found that consumers view this name as equally nutritious and desirable as conventional seafood products, signaling a healthy, sustainable alternative.
A team of researchers found that genes related to blood pressure regulation appear excessively 'turned on' in lung fluid cells of COVID-19 patients, leading to excessive bradykinin production. This overproduction causes leaky blood vessels and increased hyaluronic acid levels, resulting in inflammation and severe symptoms.
University of Utah researchers found that Salt Lake City's buildings will require less natural gas for heating and more electricity for cooling as temperatures rise. The study suggests that local building policy can impact energy use in the future, with multi-family apartment buildings expected to grow in number.
A new drug candidate, SRI-37330, has been discovered to improve four detrimental characteristics of diabetes: high blood sugar, glucagon elevation, excessive glucose production by the liver, and fatty liver. The compound is non-toxic, orally bioavailable, and highly effective in human islets and mouse models.
A new study finds that Medicaid-covered mothers are three times less likely to feel they had a choice about their birth experience, compared to those with private insurance. Women on Medi-Cal were also half as likely to have a choice of prenatal provider or be encouraged to make decisions about labor and birth.
A recent study published in Nature Astronomy reveals the location of energy release in solar eruptions, finding that relativistic electrons are accelerated in a specific region known as the magnetic bottle. This breakthrough confirms a theoretical model and provides new insights into the complex process of solar flares.
A study compared the diagnostic accuracy of a blood biomarker tau phosphorylated at threonine 217 (P-tau217) with other biomarkers for distinguishing Alzheimer's from neurodegenerative diseases. The results showed that P-tau217 had high sensitivity and specificity, making it a promising tool for early diagnosis.
Researchers at UMass Amherst have identified a key protein component of the Hedgehog signaling pathway as an important player in phenotypic plasticity, allowing cells to sense and respond to environmental inputs. This finding provides insights into how genes and environment interact to shape anatomical traits.
Surgeons from Children's Hospital of Philadelphia propose categorizing surgeries into four classes based on urgency and risk. Class-1 emergency surgeries must happen right away, while Class-4 elective surgeries should occur once the pandemic has reached its low point.
The study reports a two-stage collision between India and Asia, with the Tethyan Himalaya terrane drifting northward and colliding with Asia at ~61 Ma. The findings match history of India-Asia convergence rates and provide constraints for climate models linking Himalayan orogenesis with global climate change.
A study published in Hormones and Behavior found that oral contraceptive use affects brain structure and function, particularly in women who start taking them during puberty or adolescence. This can lead to altered stress response and changes in working memory processing.
A University of Cincinnati ergonomics expert warns that workers' discomfort levels are increasing after months of remote work. To combat this, he recommends using a laptop stand, placing a cushion on the chair, and taking regular breaks to stretch and move around.
Researchers found that teenagers who pay more attention to sad faces are more likely to develop depression, especially when stressed. Greater sustained attention to negative stimuli was linked to greater depressive reactions to real-world stress.
A study by the University of Göttingen found that COVID-19 tracing apps must balance individual benefits with societal benefits to gain widespread acceptance. The research team identified convenience as a key factor in persuading undecided users, while privacy is crucial for critics.
This observational study examines COVID-19 infections and deaths in urban US counties, revealing associations with neighborhood race/ethnicity and poverty. The findings highlight community-level disparities that may inform targeted interventions to reduce health inequities.
A randomized clinical trial found that prescribed doses of non-intoxicating CBD reduced cannabis use and increased abstinence days. Participants treated with 400mg or 800mg CBD showed lower levels of cannabis in their urine and more days abstinent compared to placebo.
Researchers estimate that reducing transmission of new diseases from tropical forests would cost between $22.2 and $30.7 billion annually, compared to the COVID-19 pandemic's estimated $8.1 to $15.8 trillion cost. Investing in prevention measures could save lives and reduce economic losses.
A randomized clinical trial using dornase alfa, a cystic fibrosis treatment, aims to reduce inflammation and mucus production in patients with severe COVID-19 pneumonia. The study's main goal is to monitor the number of patients alive and ventilator-free 28 days after treatment.
A long-term study found that the COVID-19 pandemic significantly decreased average life satisfaction and positive feelings among Germans. Those who perceived the crisis as a challenge and used constructive coping strategies reported higher subjective well-being.
Research reveals distinct migration routes for rufous hummingbirds based on their age and sex, with key differences in timing, distance, and geographic distribution.
A new study from the University of Sheffield reveals that artificial intelligence (AI) can detect neurodegenerative disorders like Alzheimer's before progressive symptoms worsen. AI-powered technologies can help predict disease progression and suggest the best treatments for individual patients.
Researchers at the University of Illinois have developed a new method to speed up breeding for Miscanthus hybrids, which could improve renewable energy crops. The study uses genomic selection to predict phenotypic outcomes and optimize winter hardiness, biomass, disease tolerance, and flowering time in Miscanthus.
A new blood test has demonstrated remarkable promise in discriminating between individuals with and without Alzheimer's disease. The test measures phospho-tau217, a protein found in tau tangles, and shows great accuracy in detecting the disease, even in its early stages.
The Food Allergy Bravery Clinic at Children's Hospital of Philadelphia uses Cognitive Behavioral Therapy to help children with a phobia of anaphylaxis manage their anxiety. By gradually introducing children to safe, structured practices, the clinic aims to equip families with practical skills and confidence.
A new technique using a Gandolfi x-ray diffraction camera allows for faster and cheaper identification of Antarctic micrometeorites while conserving more sample material. The method was tested on small rock samples containing olivine and pyroxene, showing promising results.
A new machine learning approach, federated learning, enables hospitals to share patient data securely, improving the accuracy of brain tumor diagnoses. This technique has been successfully tested in a Penn Medicine study, which showed that it can outperform centralized models in identifying brain tumors.
A new mouse lemur species, Microcebus jonahi, has been identified in northeastern Madagascar with a divergent lineage and smallest primate size. The discovery emphasizes the urgent need to address deforestation and habitat loss threatening Madagascar's unique biodiversity.
A new study found that acute exercise maintains the immune system's natural killer cell count at a normal level in prostate cancer survivors. Exercise appears to be safe and beneficial for these individuals, with no significant alterations in immune cell mobilization during treatment.
Black phosphorus has potential for emerging devices, including medical imaging and environment monitoring, thanks to its versatility and manipulation as a 2D material. The material's ability to tune electron energy levels makes it suitable for electro-optic modulation, which is essential for faster computing and data communication.
Astrophysicist Dimitra Atri's study suggests the presence of a life-supporting environment on ancient Mars due to traces of water and radiation-driven chemical reactions. The ExoMars mission may detect microbial life in this subsurface environment, providing valuable insights into the planet's habitability.
A new study by Otago economists shows New Zealand's exports to China increased by 200% due to the 2008 FTA, contributing strongly to NZ's export growth. However, the research found no significant or robust impact on NZ's GDP per capita.
Researchers used multiomics analysis to investigate HIV-1-infected cells in humanized mice. The study identified multiple characteristics of HIV-1-producing cells, including viral genome and transcriptomic profiles, which could provide insights for developing an HIV-1 cure.
A new study found that texting intervention as an add-on to mental health treatment programs improved symptoms and increased participant engagement. The research team developed a text-messaging-based psychotherapy tool that was clinically promising, safe, and feasible for people with serious mental illness.
An experimental COVID-19 vaccine demonstrated robust immune responses and rapid viral control in the upper and lower airways of rhesus macaques. The vaccine reduced replicating virus in the lungs and upper airway, which could limit disease progression and transmission.
Researchers successfully expressed and purified recombinant human coagulation factor XIIIa in Pichia pastoris, demonstrating biological activity. This expression system offers an efficient way to produce FXIIIa for further studies and potential large-scale production.
Researchers analyzed how ovarian function in mice responded to various levels of glyphosate exposure and found increased ovarian weight and follicle number at highest exposure levels. However, the study did not uncover evidence that glyphosate affects the healthy functioning of ovaries.
A recent study published in Nature Plants reveals that short double-stranded small interfering RNAs (siRNAs) are the primary messengers responsible for RNA interference in plants. These siRNAs can travel vast distances, enabling plants to modulate gene expression at a distance and adapt to their environment through phenotypic plasticity.
Scientists at Argonne National Laboratory and University of Chicago developed a quantum embedding theory to simulate complex materials, exceeding current methods' accuracy. The method was tested on classical and quantum computers, showing high accuracy and effectiveness.
Researchers discovered deposits of the tau protein typically found in Alzheimer's patients in the brain of an autistic child with ADNP syndrome. An experimental drug called NAP successfully restored normal function to damaged nerve cells in models of ADNP syndrome, offering new hope for treating this genetic disorder.
Four experiments with 350 children aged 5-6 found that visible answer keys were less cheated at when a barrier was present, suggesting environment influences honesty. The results support the idea that real or imagined barriers can deter cheating behavior in young children.