A new species of wasp-mimicking fly from South Korea has been discovered, with members twice the size of common house flies. The ancient insect, named after PSY's 'Gangnam Style', had distinct yellowjacket-like patterns on its abdomen.
The introduction of small doses of aluminum into the HA lattice enhances biocompatibility, improves matrix properties, and enables application as a coating for implants and high-temperature bioceramics
Four new species of extinct Paradoxosisyrinae were discovered in Burmese amber, revealing nectar-feeding habits and inefficient proboscis design. Researchers found the insects could not seal their proboscis for effective nectar uptake, limiting their ability to feed on deep-flowered plants.
A team of researchers has discovered the molecular basis of fireworms' bioluminescence, revealing a novel chemical structure for luciferin. The findings provide insight into a completely new mechanism of light emission and hold potential for developing new bioluminescence-based applications.
Researchers found that a global cycle of matter underpins modern plate tectonics, with excess water in the transition zone of the mantle originating from an ancient ocean on Earth's surface. Komatiitic magma samples revealed significant quantities of water and chlorine in minerals, indicating a 'pumping' of water into the planet's inte...
Researchers have discovered that tungsten trioxide can replace barium in X-ray exams and cancer treatments, offering a more effective and safer alternative. The compound's high absorptive capacity makes it suitable for creating a new class of contrast agents.
Researchers have discovered a connection between two signalling systems that help plants survive stress situations, enabling them to remember and adapt to dangerous conditions. This breakthrough may lead to new bioengineering technologies to overcome crop growth retardation and development anomalies in stress-resistant crops.
Researchers use optical coherence tomography to analyze tissue samples and identify differences between malignant and healthy cells, simplifying tumor removal operations. The technology offers higher resolution than ultrasound or MRI, allowing for more accurate diagnoses and improved patient outcomes.
Researchers have discovered that small molecule compounds can alter the spatial organization of the genome, potentially leading to new epigenetic cancer drugs. This breakthrough opens up a promising approach to treat cancer by changing the 3D genome structure.
A Jurassic fossil find reveals that insects began serving as pollinators before the emergence of flowering plants. The ancient fly's proboscis was used to access sugary secretions in ancient gymnosperms, laying the foundation for pollination mutualism.
Scientists successfully synthesize polymer nanoclusters and fibers at temperatures below 2K, opening up possibilities for creating new materials. The synthesis was achieved using a multimodal dusty plasma cooled by superfluid helium.
Researchers found that magnetic stir bars become permanently contaminated with metal nanoparticles after a week of use, affecting subsequent reactions. Regular cleaning procedures are insufficient to remove such contamination completely.
Researchers investigate opioid receptors' effect on cardioprotection against coronary disease and find that certain subtypes have a special role in adapting to oxygen lack. The study suggests new targets for developing ischemia prevention drugs, with promising results.
The ancient people of Zhokhov Island in the High Arctic exchanged objects, including obsidian, through fairs. They practiced reindeer and polar bear hunting, with evidence suggesting a well-developed transport system that connected them to mainland territories.
Researchers developed a synchronization registration method with high sensitivity and selectivity, enabling the network to recognize up to 14 figures out of 102 possible variants. The system operates independently as a separate neural organism, utilizing multilevel neurons with high functionality.
Russian researchers created star-shaped nanoparticles with sharp spikes using laser irradiation for intracellular delivery. The method achieved efficiency rates of over 95% and minimal toxicity, making it a potential alternative to existing technologies.
Researchers found that female crickets choose males who lost fights over alpha males for mating. In a study using the cricket Gryllus bimaculatus, females preferred males with lower aggression levels during courtship.
Russian scientists discovered that abandoned arable land is immediately overgrown with forest if there are no grass fires, contradicting the previous assumption of a five-year wait period. Grass fires significantly influence vegetation growth and density on former agricultural fields.
Researchers create self-healing, electrically conductive, and frost-resistant silicones by oxidizing organic compounds with molecular oxygen. The new method offers improved selectivity and mild conditions, enabling the production of functional organosilicon substrates.
Russian scientists developed a new method to study biomechanical changes in tissues after laser surgery, improving the accuracy and safety of eye surgeries. The method uses optical coherence tomography (OCT), which visualizes tissue structure by infrared light scattering, to quantify mechanical properties changes before and after laser...
Russian neuroscientists discovered that early stress in mice impacts both the individual and their offspring, affecting memory, learning, and maternal behavior. The study found that separated mice showed reduced hippocampus neurons and altered exploratory behavior, while their offspring exhibited behavioral changes related to sex.
Researchers discovered that anxiety-depressive disorder in mice is associated with impaired energy metabolism in the brain, particularly in the hypothalamus and hippocampus. This finding provides a fresh look at the depression development mechanism and other psycho-emotional diseases formation.
Researchers identified a key factor leading to epileptic seizures by analyzing changes in the temporal lobe cortex of a rat brain. The study found that excessive excitation of neurons, triggered by calcium-permeable AMPA receptors, increases the risk of convulsive discharges.
Researchers found that interleukin-6 is involved in the development of severe asthma, a subtype associated with neutrophil accumulation. Blocking this molecule may lead to new treatments for asthma.
Researchers found that three Daphnia species had distinct roots for settling in Northern Eurasia, shedding light on continental freshwater fauna formation. Genetic analysis revealed differences between populations and the approximate time of their divergence, with one species spreading quickly across the region.
Scientists discovered that DNA damage, not just errors in DNA doubling, causes many genetic mutations. This challenge traditional views on mutagenesis and its role in hereditary diseases and cancer.
Researchers analyzed obsidian samples from various Neanderthal sites and found that common tools originated from specific sources. The study suggests a developed social network between groups of people from different regions during the Upper Paleolithic period.
Researchers fully described the mechanism of fungal luminescence, utilizing four key enzymes to produce light. They also created an entirely new molecular instrument for biotechnology by engineering a yeast strain that glows in the dark.
Researchers at Zelinsky Institute successfully observed an organic catalytic reaction in a liquid medium using electron microscopy. The study demonstrated the possibilities of employing nanostructured reagents in organic synthesis and provided insights into the reaction mechanism and its potential practical applications.
Researchers developed a mathematical model describing motion of dark matter particles inside the smallest galaxy halos. They observed that over time, dark matter may form spherical droplets of quantum condensate. The study found that Bose-Einstein condensate can form in the centres of small halos, and it may produce Fast Radio Bursts.
Researchers analyzed genetic data from 15 Ural-speaking populations and found a small genetic component in common among most populations, suggesting a shared history of origins in Western Siberia. The study also revealed that geography plays a significant role in shaping the gene pool of Ural-speaking populations.
Researchers found that 'very dirty' superconductors exhibit abnormal behavior, violating the conventional theory of superconductivity. They discovered a power-law dependence between critical current density and magnetic field strength, allowing for a new understanding of Abrikosov vortices thermal fluctuations.
Researchers discover that newborns have a unique state of balance in haemostasis, making them more prone to thrombosis and bleeding. The study found significant differences between the haemostasis of adults and infants, particularly in preterm babies.
Researchers found evidence of a skeleton in ancient organisms, challenging previous assumptions about fossil chronicle. The discovery confirmed that these creatures had a skeleton composed of single-row chambers, similar to modern giant protozoa.
Researchers developed switchable fluorescent proteins that can be controlled by green and orange light, enabling the study of dynamic processes in living cells without harming them. The proteins' efficient photoswitching allows for super-resolution fluorescence microscopy, a method previously hampered by toxic irradiation.
An international team of researchers has determined the function of a new family of proteins associated with cancer and autism. The study found that these proteins, including MCT-1 and DENR, play a crucial role in regulating protein production by acting as translation factors for uORF-containing mRNA.
Russian scientists have developed a new method of bioprinting that allows creating 3D-biological objects without the use of layer-by-layer approach. This technology was made possible by magnetic levitation experiments in microgravity conditions, enabling the creation of radiation-sensitive biological constructs and repair of damaged ti...
Researchers have discovered that an increase in certain substances in oral fluid can indicate caries development. They found a way to prevent the disease by analyzing changes in saliva composition, enabling early detection and treatment.
Victor Lakhno proposes a new theoretical model for room-temperature superconductivity based on translation-invariant bipolarons. This approach suggests that even small concentrations of TI-bipolarons can enhance critical temperatures, opening up opportunities for creating such materials.
A team of Russian chemists has developed a new rhodium catalyst for organic synthesis, enabling the creation of complex molecular frameworks of antifungal agents. The catalyst's asymmetrical design allows for full spatial control over reaction outcomes.
Researchers found that graphene's Poisson ratio, which determines material capability to shrink or extend in transverse dimension, varies depending on the applied tensile force. This discovery could help create new materials with required exotic properties and improve existing technologies.
Researchers found that auxin hormone controls stem cell division and WOX4 gene expression, essential for wood formation. The study revealed a direct regulation of WOX4 by auxin signaling factors, shedding light on the complex mechanism behind plant growth.
Researchers found that tungsten oxide nanoparticles selectively target cancer cells while being harmless to healthy cells, opening up new therapeutic possibilities. The particles also exhibit strong antibacterial properties, making them a potential solution for wastewater purification.
A new technique has been developed to analyze additional chromosomes, which are found in some species and can be associated with developmental abnormalities. The study identified specific regions of the genome present on these additional chromosomes, including genes related to cell cycle control and cytoskeleton structure.