A retrospective analysis of oak tree genomes reveals an identical evolutionary pattern across three French forests, differing according to climatic periods. Oaks can evolve rapidly and redirect their evolutionary trajectories in response to changes in climate, highlighting the need for adapting forest management practices.
A group of international scientists, led by Teun Bousema, published a study in The Lancet Planetary Health highlighting the significant carbon footprint of academic travel. Over a thousand academics have signed the Thoughtful Travel Pledge petition, calling for reduced carbon emissions at all levels.
Experts discovered a training method to prevent piano performance deterioration due to psychological stress. Pianists who underwent the training showed no performance disruption under pressure, indicating normalized auditory perception and motion integration.
Researchers developed a color-coded test that quickly signals whether medical nanoparticles deliver their cargo into target cells. The tool, tested in mouse cells and living mice, assesses nanoparticle formulations on their ability to escape cellular defenses and reach the cell's interior.
Harvard researchers create first topological acoustic transistor, utilizing sound waves to control flow on and off. The device demonstrates scalable and controllable 'acoustic switches' with potential applications in efficient noise reduction, ultrasound imaging, and more.
A study by Edith Cowan University found that 30% of people prefer discussing negative experiences with a virtual reality avatar, rather than a person. Researchers used full face and body motion capture technology to create realistic avatars, analyzing interactions between participants and avatars.
Gladstone Institutes researchers have pioneered a new method to edit genes in human cells using retrons, which can produce abundant copies of template DNA from inside cells. The optimized system has shown improved efficiency and precision compared to current approaches.
Researchers at the CNIC have identified a specific type of neutrophil behavior that predicts cardiovascular disease. The study provides crucial information for developing targeted therapies to minimize the consequences of myocardial infarction.
Seven scientists received $250,000 per year for three years to pursue high-risk/high-reward projects addressing unmet needs in cancer research. The grants support innovative studies in basic, translational, and clinical cancer research.
A new study calls for global telehealth guidelines to address disparities in guidance for remote consultations between professions. The guidelines aim to ensure good patient satisfaction, accessibility, and reduced travel times while minimizing risks and errors associated with remote consultations.
Researchers have developed a technique that analyzes cell-free RNA in a mother's blood to predict healthy pregnancy outcomes and detect potential complications like preeclampsia. The approach showed promise in identifying patterns of gene expression associated with a healthy pregnancy and predicting preeclampsia risk with high accuracy.
A Phase 2 clinical trial will assess the safety and efficacy of VK-2019 in patients with recurrent or progressing EBV-positive NPC. The treatment targets the underlying driver of growth, EBV, to potentially treat other EBV-related cancers.
Researchers found that bisphosphonate treatment stimulates lung macrophages to mount a stronger response against pathogens, enhancing immune function. This could lead to improved health outcomes for the older population at higher risk of pneumonia and osteoporosis.
A qualitative study explores the intersection of intimate partner violence (IPV) and brain injury during COVID-19, highlighting increased risks, severity, and gaps in research and services. The study reveals that survivors face ongoing violence and increased risk to their mental and physical health.
A randomized controlled trial involving 51 GP practices and 404 patients found a significant reduction in the number of medicines prescribed for older people with multimorbidity. The intervention group experienced over 800 medicines being stopped, with only mild adverse reactions reported.
SourceRCSI·JournalPLOS Medicine·TypeRandomized controlled/clinical trial·DateJan 5, 2022
A phase III trial demonstrated that combining Eltrombopag with standard immunosuppression increases response rates and reduces time to first response in patients with Severe Aplastic Anemia. The treatment was found to be safe and well-tolerated, with improved event-free survival.
A recent study by Dr. Henrik Svensmark and colleagues reveals a close connection between supernovae occurrence and the burial of organic matter in sediments on Earth. The correlation indicates that supernovae are essential for life's existence, with high nutrient concentrations leading to increased bioproductivity and oxygen production.
A new study reveals the Maya had nearly 500 edible plants available to them, many of which are highly drought-resistant. This analysis debunks the assumption that drought led to the collapse of ancient Mayan civilization.
Researchers developed a method to enhance the conductivity of metal nanowire electrodes by using plasmon-enhanced laser nanosoldering. The technique involves irradiating silver nanoparticles with a high-intensity laser, creating hot spots that increase the contact area between particles and improve conductivity.
Researchers developed propSym to calculate fundamental constants of solids, reducing redundant components and improving material modeling. The open-source software is adaptable to various physical properties, aiming to lower the entry barrier for analytical modeling.
A new study by Curtin University has identified the twin mechanisms responsible for the end-Triassic mass extinction event, including ocean acidification and rising hydrogen sulfide levels. This research sheds light on the causes of past marine extinctions and provides valuable insights into the history of our planet.
A phase 1 clinical trial found that the DNA methylome of aggressive brain tumors can be reprogrammed with L-methylfolate, a folic acid-like drug. The treatment showed improved median overall survival in patients with recurrent glioblastoma, paving the way for future epigenetic studies and potential immunotherapy combinations.
Scientists have created a new protective coating using Al-Mg-Si alloy to resist corrosion in ships and marine facilities. The coating demonstrates improved corrosion resistance through a 'shielding effect', increasing the economic life of steel machinery.
A recent study by the University of Bristol found that urban gardens in cities offer a long and continuous supply of energy-rich nectar from March to October. Despite variation between individual gardens, multiple garden visits provide pollinators with a reliable food source, contrasting with farmland's boom-and-bust cycles.
Adolescents experienced improved health-related quality of life during school closures, with increased sleep duration by about 75 minutes per day. This positive effect outweighs the negative impacts of depression and anxiety.
Researchers developed a new SERS-based multiplexing technique to detect kidney injury biomarkers SLPI and IL-18, achieving high sensitivity and reliability. The approach shows promise for objectively assessing donor kidney quality, potentially reducing discard rates and recipient complications in clinical practice.
A Swiss survey study of 8,900 adolescents found a significant association between reduced sleep duration and poorer health during high school closures due to COVID-19. The study suggests that inadequate sleep may have contributed to increased rates of depression, anxiety, and other mental health issues.
Researchers successfully fabricate high-aspect-ratio microstructures on silicon surfaces in the ductile regime, demonstrating structural coloration. Polychromatic images are rendered with controllable grating spacings at each pixel location.
A unique study by UT Southwestern researchers found that food pantry clients experienced increased economic hardship, food insecurity, and psychological distress due to the pandemic. The study gathered narratives from individuals describing how the pandemic affected their daily lives and emotional well-being.
Researchers identify genetic circuit that senses cell development stage, triggering deactivation of X chromosome. The discovery reveals a division of labor among genetic switches, providing clues for future study on X chromosome inactivation.
A unique stellar structure in the Milky Way, C-19, has been found to consist of stars with extremely low metallicity, challenging current understanding of star formation models. This discovery provides a direct window into the earliest ages of star formation and the development of stellar structures in the distant past.
New experiments challenge conventional wisdom on neuronal refractory periods, discovering durations exceeding 20 milliseconds and sensitivity to input signal origin. These findings may hold the key to understanding degenerative diseases and advancing artificial intelligence-based applications.
Researchers designed a nanobridged rhombic antenna supporting both dipolar and high-order plasmonic modes, enabling multiband detection with high sensitivity to molecules. Spatially superimposed hotspots boost local fields for both bands, enabling new strategies for multiband MIRAs.
Researchers found molecular signatures of gestational inflammation associated with autism spectrum disorder (ASD) in a large cohort study. Elevated levels of certain immune system molecules at birth are linked to ASD risk, providing potential biomarkers for early screening.
Researchers have designed and synthesized stable size/morphology-controlled MOF nanocrystals using a synergetic dual-ligand and hard-soft-acid-base strategy. The resulting 3D pillared-layer structure exhibits excellent cycling performance, with the Ni-Tdc network providing good stability during charging and discharging processes.
A new study by Rice University astrophysicist André Izidoro suggests that the sun had rings before planets formed, explaining many solar system features. The model simulates the solar system's formation hundreds of times and reproduces several features missed by previous models, including pressure bumps and rings.
A study published in Leukemia found that cord blood transplantation (CBT) was more effective than matched related donor transplantation (MRDT) for patients with refractory and relapsed acute myeloid leukemia (R/R AML). The study compared the survival rates of 1,738 CBT-treated patients with those of 713 MRDT-treated patients, revealing...
Researchers at NYU Grossman School of Medicine identified a brain circuit active during speech planning for split-second verbal exchanges. The study used electrocorticography (ECoG) to pinpoint brain areas involved in this process, including regions not previously linked to language functions.
A new study published in Royal Society Open Science found that amputee sprinters using prostheses have no clear competitive advantage at the 400-meter distance compared to non-amputees. In fact, they appear to have a significant disadvantage at the start, with athletes using prosthetic legs being 40% slower out of the starting blocks a...
A new UCSF study found that the neural connections of newborns with two different kinds of brain injuries were linked to significantly different developmental outcomes years later. CHD newborns had worse language function at 12-18 months and worse cognitive, language, and motor function at 30 months compared to HIE infants.
Researchers found that training at low intensity can be just as effective as high-intensity training in improving endurance and technique. Elite male cross-country skiers trained for several hours, with the majority of their sessions taking place at low intensity.
Researchers have designed a new method to illuminate the effects of interference in experimental data, enabling social and behavioral researchers to account for it across various applications. This approach can test directly for interference effects, such as spillovers and peer effects in social networks.
The University of Texas at El Paso is implementing a multi-phased plan to re-enroll students who have dropped out for a semester or longer. The grant will help address financial, academic, and personal issues that prevent students from completing their degrees.
A new study suggests that midlife cardiovascular conditions and risk factors were associated with midlife cognitive decline, but the association is stronger for women. Certain cardiovascular conditions, such as diabetes and heart disease, had stronger associations with cognitive decline in women compared to men.
A study published in Cell Reports reveals that LPS protects against developing asthma when combined with allergens containing cysteine protease enzymatic activity, but promotes development when paired with allergens lacking this enzyme. This protective effect relies on the production of GM-CSF by non-classical monocytes.
A nationwide analysis of 20 US cities found that many plans fail to explicitly define green infrastructure, with a narrow focus on stormwater management. The study suggests that this narrow view can limit project funding and cause cities to miss out on vital social and ecological services.
A new model demonstrates the formation of three rings around the Sun, each composed of planetesimals that eventually form planets. The simulations reveal different chemical compositions and masses for Venus, Earth, and Mars, explaining their distinct orbits and asteroid populations.
Researchers at Aarhus University have developed a new camera technology that can separate plastics based on their chemical composition. The technology uses hyperspectral cameras and machine learning to identify 12 types of plastics, including PE, PP, PET, and others, making it possible for more accurate recycling.
Researchers used new technology to study Grapevine Pinot gris virus propagation in a specific vineyard in France. The study found that over 75% of tested plants became infected between 2014 and 2015, with only a marginal number of grapevines testing positive during the remaining five years.
Researchers discovered that bacteria use an ancient molecule called polyphosphate to silence problematic genetic elements, similar to heterochromatin in eukaryotes. This process helps protect the bacterial cell from harm and could enable scientists to develop new antibiotics.
Researchers at the University of Louisville School of Dentistry found that oral bacteria like Porphyromonas gingivalis can suppress the production and effectiveness of proteins that protect humans from viral infection. This suppression increases vulnerability to infection, allowing viruses to enter the body more easily.
Scientists at RIKEN have found that matter and antimatter respond to gravity in the same way, within an accuracy of four times more precise than previous measures. This suggests that causality and locality hold in relativistic quantum field theories, potentially leading to new physics.
A recent study suggests that dairy farmers in the Northeast can reduce environmental impacts and maximize revenues by implementing double cropping and subsurface injection of manure into the soil. These strategies reduced total nitrogen losses by 12-18% and total phosphorus losses by 16-19%.
Plants respond to heat stress by activating a molecular defense pathway involving brassinosteroids, which increase heat stress resistance. Researchers at TUM discovered the role of transcription factor BES1 in this process.
A Kaiser Permanente study shows that well-designed depression screening programs can effectively identify patients in need of behavioral health care and increase referrals. The program was successfully integrated into the patient care workflow of medical oncology teams, leading to improved mental health care for breast cancer patients.
Researchers at Peking University created a comprehensive single-cell landscape of tumor-infiltrating T cells across 21 cancer types, revealing heterogeneity and dynamics. This study provides an immune-typing scheme that could inform targeted therapy.
Younger male exposures to Ascaris roundworms show striking reductions in lung function and nearly five times higher odds of having asthma. The study highlights a previously overlooked risk factor for respiratory health in Europe.
Researchers found that local gravitational tides modulate the cyclical behavior of organisms, even in the absence of other rhythmic influences. The study questions the validity of free-run experiments and highlights the importance of considering gravitational oscillations in biological research.
Scientists created macroscopic living functional materials by adhering bacteria together, demonstrating improved mechanical properties and processability. The material can also self-heal within minutes and degrade organophosphate pesticides.
A study conducted at nine day care centers in Germany investigated the feasibility of SARS-CoV-2 surveillance testing among children and childcare workers. The test was found to be highly effective in identifying infected individuals and preventing further transmission.