Researchers developed ancestral biotinylation enzymes to improve proximity-dependent biotin identification. The new AirID enzyme showed higher activity, specificity, and lower toxicity than previous types, enabling comprehensive analysis of protein interactions.
St. Jude Children's Research Hospital scientists have developed a computational tool called cis-X to identify alterations that drive tumor formation in the human genome. The method analyzes abnormal expression of tumor RNA and identifies novel pathogenic variants and oncogenes activated by such variants in regulatory noncoding DNA.
A new study published in Environmental Research found that short, frequent walks in blue spaces significantly improve well-being and mood. Researchers measured participants' blood pressure and heart rate before, during, and after walks in a beach environment versus urban environments.
Scientists study FG-NUPs in normal and colorectal cancer cells, finding altered conformational dynamics in cancer cells. The structure of the central plug is smaller, hindering filamentous features in cancer cells.
A new algorithm developed by researchers at Columbia University Irving Medical Center can predict PTSD risk in trauma survivors with high precision. The tool uses routinely collected medical data and has been tested on 377 adult trauma survivors, with 90% of those categorized as PTSD risks developing long-lasting symptoms within a year.
Chinese researchers successfully reversed single magnetic vortex circulation using an electric field, demonstrating a promising approach for future spintronic devices with higher storage density and lower power consumption. The study reveals a new magnetoelectric coupling mechanism for controlling nanoscale chiral spin textures.
Researchers report a small fossil reptile named Kongonaphon kely, related to dinosaurs and pterosaurs, which suggests that these giant animals originated from extremely small ancestors. The analysis of body size evolution and fossil wear indicates a diet of insects.
A UK study found that nurses who follow revamped guidelines make nearly two and half times fewer mistakes when administering intravenous medicines. The modified instructions present the same information in a user-friendly way, leading to faster injection procedures and increased nurse confidence.
Boston University researchers have developed artificial genes called biosensors that can detect changes in signaling molecules, which are molecular on/off switches inside cells. These biosensors have the potential to improve drug development by allowing researchers to study G-proteins more accurately and easily.
A 20-year study found that 16% of cancer patients used their frozen eggs and embryos, with a remarkable 71% birth rate among those who did. Fertility preservation can be effective for young women diagnosed with cancer, with ovarian tissue cryopreservation and oocyte freezing offering good options.
A study analyzed biogeographic distributions of 52,318 marine fossils and found the latitudinal diversity gradient flattened rapidly during the Permian-Triassic mass extinction due to intense global warming and reduced ocean oxygen levels. The curve gradually returned to resemble modern biodiversity patterns after around 5 million years.
A newly described species from Madagascar suggests that dinosaurs and pterosaurs originated from extremely small ancestors. The discovery sheds light on the origins of flight in pterosaurs and the presence of 'fuzz' on the skin of both groups.
Scientists have identified a new proton-conducting material with high conductivity and oxygen-deficient layers, which could lead to more efficient and scalable fuel cell technology. This discovery could enable the development of low-cost and efficient fuel cells, crucial for a sustainable energy economy.
Moffitt researchers discovered deltaNp63 protein plays a key role in facilitating cancer spread by oscillating its expression. The protein is overexpressed in many primary tumors and metastases, and its silence is required for cancer cells to undergo EMT.
A new analysis by University of Virginia Health System researchers found that Sweden's lack of lockdown during COVID-19 led to more deaths and greater healthcare demand than countries with earlier interventions. However, Sweden fared better than expected when considering public-health mandates alone, similar to France, Italy, and Spain.
The digitally reconstructed shrine of Saint Thomas Becket has been created using new evidence and features iron grilles that enclosed the shrine. The reconstruction is based on surviving fragments discovered in Canterbury Cathedral and suggests the shrine was built between 1180 and 1220.
A recent study reveals the cause behind the link between non-alcoholic fatty liver disease and neurological problems, including Alzheimer's disease-like symptoms. The unique role of an adipokine called Lipocalin-2 in causing neuroinflammation may explain the prevalence of MAFLD among individuals with neurological disorders.
Researchers developed an approach to wirelessly power implantable devices via a skin-worn light-emitting patch, which transfers photons to a photovoltaic device integrated with the implant. The method was successfully tested in mice, demonstrating its efficacy.
A new study published in BMJ Evidence-Based Medicine suggests that people with familial hypercholesterolemia should eliminate carbs and focus on a heart-healthy diet low in sugar. The research finds no evidence to support the long-held recommendation to minimize saturated fat intake.
Physicists at Michigan State University's Facility for Rare Isotope Beams have developed a new method to model neutrinoless double-beta decay, a yet-unconfirmed rare nuclear process with significant implications for particle physics and cosmology. The novel approach, known as the In-Medium Generator-Coordinate Method, enables controlle...
Researchers developed a machine learning approach to predict seasonal fire risk in Africa, using data on ocean temperatures and land surface changes. Additionally, scientists found that charge loss in lithium-ion batteries is related to the inherent structural instability of the cathode's crystalline structure. A new microscope tool pr...
Plant pathologists at Auburn University conducted a field trial to assess the economic damage of reniform nematodes on cotton yields. The study found that cotton yields were 50% lower in fields infested with the nematode compared to clean fields.
Tropical Storm Edouard is being battered by strong southwesterly winds and wind shear, displacing its strongest storms. The storm's cloud top temperatures indicate potential for heavy rainfall as it transitions into a post-tropical system.
A study in ferrets and children aged 2-6 found that early influenza infections can alter the immune system's response to later strains. This priming effect may impact an individual's susceptibility to other strains.
Neurobiologists at Ludwig-Maximilians-Universität München found the brain requires disproportionate amounts of oxygen for energy consumption. The study directly correlates oxygen consumption with nerve cell activity, showing that only about 50% of oxygen is used for nerve cell function.
Researchers found strong correlations between a colony's defensiveness and specific gene frequencies, rather than individual bee's genes. The study suggests that the home environment, such as island living with human populations, may be a better predictor of gentleness in honey bees.
Researchers discover a way to 'tune down' heterochromatin in early embryos, improving artificial cell reprogramming efficiency. This knowledge can lead to the efficient generation of high-quality stem cells for regenerative medicine approaches.
Researchers found that certain immune cells in belly fat can reverse age-related impairments and chronic low-grade inflammation. This therapy promotes rejuvenation and improves physical fitness and vaccination responses in aged animals.
Researchers found that switching to 'as-needed' follow-up care can save families from unnecessary medical care and expense. Children with scheduled follow-up appointments were more likely to receive antibiotics, which are not a standard treatment for viral diseases like bronchiolitis.
A recent study by Adam Wowak and colleagues found that incoming CEOs paid above market rate tend to perform better over time. In contrast, underpaid CEOs average less effective performance. While the relationship is not complete, the study suggests boards are generally accurate in their initial CEO quality assessments.
Researchers created a three-layer anti-reflection surface to improve transparency and conductivity in plastic, achieving a transmittance of 88.4% compared to 88.1% for the plastic alone.
Researchers found that certain gut bacteria not following a day-night rhythm can serve as an indicator for potential type 2 diabetes. Mathematical models also suggest this microbial risk signature helps in diagnosing diabetes, improving diagnosis and outlook of the disease.
Researchers at Columbia University have observed fractional quantum Hall states (FQHS) in a monolayer 2D semiconductor, demonstrating excellent intrinsic quality and establishing it as a unique test platform for studying FQHS. The study reveals unexpected behavior and suggests that 2D semiconductors are close-to-ideal platforms to furt...
A University of Maryland researcher discovered that churning along the edge of the Gulf Stream can mix water across the current, influencing weather, climate, and fisheries. This finding has significant implications for understanding ocean circulation, biology, and potentially climate.
A new study reveals that low-mass stars become white dwarfs, producing carbon essential for life, challenging previous theories. The findings place a minimum mass threshold of 1.5 solar masses for star-induced carbon enrichment.
A recent plant study found that flowering plants in temperate zones are evolving twice as quickly as those in the tropics. This contradicts the long-held hypothesis that tropical regions have a higher rate of species formation.
Researchers identify four promising antiviral drug candidates that block SARS-CoV-2 replication by targeting the main protease enzyme. The most effective compound, GC-376, demonstrates potent chemical and structural interactions with the viral protein, making it a potential candidate for repurposing as a COVID-19 treatment.
Researchers are developing biomaterials to boost the body's natural healing process, with two approaches: incorporating cells or designing materials to stimulate cellular response. This can lead to improved success rates in tissue regeneration, reducing regulatory barriers and increasing available options.
Scientists at NIST have developed a novel instrument that can make three kinds of atom-scale measurements simultaneously, helping researchers uncover new knowledge about special materials crucial for developing the next generation of quantum computers and communications. The instrument combines an atomic force microscope, scanning tunn...
A new study suggests that early initiation of annual breast cancer screening with MRI and mammography may reduce breast cancer mortality by half or more in female childhood cancer survivors previously exposed to chest radiation. The findings highlight the importance of MRI in reducing deaths from breast cancer in this population.
Research by Elena Lopez Peredo and Zoe Cardon found that desert green algae can become active again within seconds of receiving water, suggesting a unique adaptation for survival. The study also showed that these algae upregulate protective gene expression while downregulating metabolic genes during desiccation.
A global analysis reveals a significant gap between scientific knowledge and policy responses to nitrogen pollution. Agricultural sectors dominate policies that incentivize nitrogen use, while few aim to reduce pollution.
The new guidelines emphasize the importance of early identification and management of T2D in Indigenous communities, where it is most prevalent. The guidelines recommend tighter diabetes control, transitioning adolescents to multidisciplinary care teams, and exploring newer medications for treatment.
Researchers at York University found that the mixing of African and European genetics led to hyper-aggression in invasive African hybrid honey bees (AHB). The study sequenced genomes of AHB colonies and identified mutations associated with their aggressive behavior.
Researchers developed a highly effective and safe nanocrystal to combat deadly radiation, increasing survival rates and reducing oxidative stress by five times compared to individual components.
Scientists have successfully fabricated red LEDs using indium gallium nitride, a material that can emit green, yellow, and red light. The developed LEDs offer improved stability at high temperatures compared to current InGaP-based devices.
A collaborative study has identified NPHS1 as a disease-susceptibility gene for steroid-sensitive nephrotic syndrome in children. Variants in this region of chromosome 19 were found to be associated with the disease, and their impact on nephrin mRNA expression was confirmed.
Researchers at USTC successfully control spin qubit lifetime by tuning the external magnetic field direction, improving it by over two orders of magnitude. The breakthrough opens up new directions for optimizing readout and multi-qubit extension of silicon-based spin qubits.
Researchers at KAUST discovered that giant clam iridocytes absorb UV radiation and re-emit it as useful light for photosynthesis. This photoprotective effect enables clams to live in shallow tropical waters with high UV radiation levels.
Research found that children from dog-owning households had better social and emotional wellbeing, with reduced difficulties in emotions and social interactions. Regular family dog walks and playtime were associated with even more positive outcomes.
A study published in ERJ Open Research found that teenagers who prefer to sleep later have a higher risk of developing asthma and allergic rhinitis. The research suggests that the body's internal clock plays a significant role in respiratory health, with late-sleepers more likely to experience symptoms.
A recent scientific study describes the nursery of sea ice that formed off the New Siberian Islands in December 2018, which is now drifting through the Arctic. The research vessel Polarstern has been analyzing data from this unique floe, providing valuable insights into the interactions between ocean, ice, and atmosphere.
A new study detects biologically relevant AMH levels in human hair samples, which strongly correlate with serum levels and AFC. The results suggest a non-invasive test of ovarian reserve using hair samples may be more accurate and cost-effective than traditional blood tests.
A 10-year follow-up study found that premature babies treated with a 'brain washing' technique called Drainage, Irrigation and Fibrinolytic Therapy (DRIFT) were almost twice as likely to survive without severe cognitive disability. The treatment, pioneered by University of Bristol researchers, has been shown to reduce secondary severe ...
Physicist Hai-Bo Yu at UC Riverside has been awarded a three-year grant to study Self-Interacting Dark Matter, a new theory that posits dark matter particles have strong self-interactions. The project aims to improve our understanding of dark matter and its role in galaxy distributions.
Researchers have developed a new method for estimating fish populations by analyzing environmental DNA in water. The approach, which accounts for the degradation of DNA molecules, has been successfully tested in Japan and shows promise for quantitative monitoring of aquatic ecosystems.
Researchers have found snake-like venom glands in the ringed caecilian, a limbless amphibian, which may indicate an early evolutionary design of oral venom organs. The discovery suggests that caecilians could be the oldest land-dwelling vertebrates with oral venom glands.
Researchers at Tokyo Tech developed a synthetic channel that can mimic natural ion channels, demonstrating self-assembling and functionally active orientation of artificial molecules in membranes. The study shows promising results for biomimetic regulation and potential applications in sensing and separation devices.
Researchers create genuine time-dependent topological system using ultracold atoms in periodically-driven optical honeycomb lattices, exhibiting unique electronic properties and chiral edge modes. The system's non-trivial topological properties are rooted in the non-trivial winding of its quasienergy spectrum.
A team of researchers discovered a new chimera state in brain networks, known as the spatial multi-scaled chimera state. This state is characterized by global triviality but local chimera states, depending on coupling strengths and time-delays. The study found that regions with higher symmetry take the role of relay nodes.