The iPODs system enables rapid-results testing with reduced error, cross-contamination, and sample loss by automating droplet transfer. The device shows strong linearity in bacterial detection, with an R-squared value of 0.999, making it accurate for point-of-care testing.
A team led by the Chinese Academy of Sciences has found a well-preserved 'Marine Dwarf World' from 462 million years ago at Castle Bank, Wales. The site features over 150 species, including arthropods, worms, sponges, and starfish, with many preserved in minute detail.
The Zhurong rover found evidence of liquid water on dune surfaces at low Martian latitudes, contradicting the widely held assumption that water can only exist in solid or gaseous forms. The discovery provides key observational proof and sheds light on the evolutionary history of Mars' climate.
Researchers detected prompt optical emission and its transition to early afterglow of a gamma-ray burst using the Ground Wide Angle Camera Array. The study provides unique data that constrains the characteristics of the progenitor, suggesting a small stellar mass.
Researchers used mercury isotope data to push back the timeline of vascular plant colonization, finding extensive land colonization by early Silurian (~444 Ma). This discovery links terrestrial organism expansion to co-evolution of earth systems, particularly atmosphere-ocean-weathering processes.
Research shows that arthropods in high-diversity forests contribute to improved productivity by suppressing herbivores, leading to increased tree species richness and multitrophic diversity. The study highlights the importance of conserving plant diversity to maintain arthropod diversity.
An international team of scientists has produced an image showing both the ring-like accretion structure around a black hole and the associated relativistic jet. The study provides new insights into the connection between the accretion flow near the central supermassive black hole and the origin of the jet.
Researchers develop PrimeRoot, a tool for efficient and precise targeted insertion of large DNA segments in plants, achieving efficiencies up to 6% and inserting segments up to 11.1 kb.
The researchers proposed a type of ultra-tunable bistable structure with programmable energy barriers and trigger forces. The structures can be customized for various robotic applications, demonstrating superior performances in high-speed locomotion, adaptive sensing, and fast grasping.
Cascaded microfluidic circuits successfully isolate and purify EVs directly from blood samples within 30 minutes, surpassing ultracentrifugation and dead-end filtration methods. The technology has high clinical potential for early cancer diagnosis and real-time monitoring of tumor development.
Horodyskia, a fossil with uniform size and spacing, is among the oldest multicellular macroorganisms. Its fossils suggest coenocytism and simple clonal coloniality, challenging previous interpretations.
Researchers have found that the subfornical organ senses circulating parathyroid hormone (PTH) and modulates its peripheral level. PTH then alters bone metabolism and remodeling, highlighting a critical role of the brain-parathyroid-bone axis in maintaining bone homeostasis.
Scientists discovered a way to regulate the mechanical strength and recoverability of peptide hydrogels by manipulating incubation temperature and time. By controlling droplet formation, they created fibril networks with optimal properties for various applications.
A team of researchers has developed a swallowable X-ray dosimeter that can estimate radiation dose in real-time, offering improved accuracy and minimization of damage to healthy tissue during radiotherapy. The capsule-shaped device uses a neural network-based regression model to analyze radioluminescence and temperature.
A recent study by the Chinese Academy of Sciences reveals that receiving an inhibitory signal associated with negative food conditions can decrease brain dopamine levels in dancing honeybees. The researchers also found that increasing bee dopamine levels reduces the aversiveness of hornet attacks.
A study found that cell competition between neural progenitor cells regulates brain size in mice, with top performers producing 30%-40% of neurons and losers producing only 1%-2%. The researchers identified Axin2 and p53 as key drivers of this process.
The study reveals that the stability of Dion-Jacobson 2D perovskites is determined by the rigidity of organic diammonium cations. This mechanism allows for intercoordination between organic and inorganic components, enabling a stabilized state. The findings may provide guidance for manipulating the stability of DJ 2D perovskites.
A new study reveals how ferroelectric coatings improve all-solid-state lithium batteries by reducing space charge layers and enhancing lithium transportation. The coatings made from guanidinium perchlorate increase battery capacities to near-liquid lithium-ion levels.
Researchers from the Dalian Institute of Chemical Physics have developed a method to create rare earth hydrides with superionic conduction at ambient temperatures. This breakthrough could pave the way for advanced clean energy storage technologies by enabling high-conductivity hydride ion batteries and fuel cells.
A new study proposes a simple coating solution to reduce degradation in solid-state lithium metal batteries. The coating, made of LiZr2(PO4)3 (LZP), improves capacity retention and decreases decay by mitigating uneven lithium-ion flux.
A new study reveals that lake-terminating glaciers in the Himalaya have been significantly underestimated, leading to revised estimates of glacier mass loss. The research found a 6.5% underestimation, with some regions experiencing even greater discrepancies, highlighting critical implications for regional water resources.
Researchers analyzed decades' worth of Landsat imagery to globally attribute recent river regime changes to morphological or hydrological signals. Global-scale prioritization guidance is provided for future river protection and restoration efforts under the UN 2030 Agenda.
Researchers have presented an overview of recent progress in moiré photonics and optoelectronics, highlighting the emergence of novel quantum phenomena and their potential applications. Moiré superlattices introduce a new paradigm for engineering band structures and exotic quantum states.
A recent study published in Nature Communications reveals that Earth's anisotropic inner core structure is driven by the dipole geomagnetic field. The researchers found that hexagonal-close-packed (hcp) Fe-H alloy exhibited both seismic anisotropy and H-ion diffusion anisotropy under high pressure-temperature conditions.
A new platform has been established to improve the analysis of dynamic metabolic features in cells. The Raman-based flow cytometry tool allows for the profiling of cell populations without labeling or destroying them, providing a non-invasive big-data type for culture-independent phenomes.
Researchers used in-situ cryogenic TEM imaging to directly observe formation of pure-phase ice I c on low-temperature substrates. The study resolves the long-standing debate about cubic ice's existence, with implications for materials science, geology, and climate science.
Scientists used Insight-HXMT and GECAM-C to accurately measure the brightness and energy released by GRB 221009A, which is 50 times brighter than previous records. The burst's isotropic-equivalent energy is about 10^55 erg, equivalent to 8 solar masses.
Researchers have found a new water reservoir on the Moon, discovered in impact glass beads, which can buffer the lunar surface water cycle. The study suggests that these beads can store and release solar wind-derived water, indicating their potential for in-situ resource utilization.
Researchers have overturned the traditional view that oxygen derives from water splitting, instead finding that reactive oxygen species (ROS) produced at mineral-water interfaces are a key source of oxygen. This discovery has significant implications for understanding the evolution of Earth's atmosphere and the habitability of early life.
Researchers developed a platform to study superconducting magnetic detection and phase transitions under high pressure using silicon vacancy defects. They successfully detected pressure-induced magnetic phase transitions in rare-earth magnets and measured the critical temperature-pressure diagram of a superconductor.
Researchers found that cellular growth rate influences gene expression response, leading to unbalanced phenotypic states and a growth-rate-dependent phase transition. The study proposes a mathematical model explaining the bifurcation arising from the relationship between growth rates and gene expression.
Chinese scientists have identified a key gene involved in crop alkaline tolerance, which may greatly improve crop yield in sodic environments. The study found that the gene negatively regulates alkaline stress by modulating the efflux of H2O2 under environmental stress.
A new method for global profiling of in-situ RNA–RNA contacts associated with specific RBP has been developed, revealing positional mechanisms by which PTBP1-associated RNA loops regulate cassette exon splicing. The study found that PTBP1 can modulate cassette exon splicing via mediating specific RNA loops in a position-dependent manner.
A new study published in Nature Climate Change reveals that pristine wetlands are currently a greenhouse gas sink, but this function will be reduced by over half in response to a 1.5-2°C temperature increase. Warming promotes net methane and nitrous oxide emissions from these ecosystems, posing a positive feedback on global warming.
Researchers have pushed single-atom vibrational spectroscopy to the level of chemical bonds, enabling precise measurements of point defects in graphene. The study found unique vibrational modes for two types of silicon point defects, with stronger signals for one defect configuration.
Researchers used demographic modeling to reconstruct wheat's evolutionary history during the Holocene, revealing its origins near the Caspian Sea and slow speciation process. The study also found that crop relatives are valuable for breeding resilient crops but face decline due to changes in human diets and climate change.
Researchers developed a chemical scissors-mediated structural editing strategy to regulate the structure and elemental composition of MAX phases/MXenes. This approach enables the creation of novel MAX phase and MXene materials with improved functional applications.
A research group has developed a family of eco-friendly glass fabricated from biologically derived amino acids or peptides. The proposed glass is biodegradable and biorecyclable due to its unique combination of functional properties, including excellent optical characteristics and good mechanical properties.
A genomic study of ancient humans on the Tibetan Plateau reveals a single origin for ancient humans, deriving from a northern East Asian population. The study also found distinct genetic patterns in different regions of the plateau, indicating three regional groups with unique historical patterns that began to merge after 2500 BP.
Researchers have developed CAR T cell-based microrobots that can autonomously navigate to tumor sites and exert immune effects. The M-CAR T demonstrated controllable movement and penetrated artificial tumor tissues under magnetic-acoustic sequential actuation.
Researchers found that honeybee foragers use waggle dance to provide both polar flight instructions (bearing and distance) and Cartesian-location vectors to approach the source. This new understanding reveals the complexity of symbolic communication in honeybees, adding new insights to the study of their navigational abilities.
A study published in Neuron reveals the intricate neural mechanisms underlying fragmented feeding behavior in mice. The researchers identified three key populations: ARC AgRP neurons regulating non-feeding behavior, LH GABA neurons mediating feeding initiation, and DR GABA neurons maintaining feeding duration.
Researchers found that young honey bees who followed dances of older bees improved their performance, reducing disordered dances and increasing orderly ones. Social signal learning refines behaviors for local conditions, suggesting it's advantageous for novice dancers to learn from experienced ones.
The study reveals the formation of boron clusters with magic numbers on monolayer borophene, leading to spontaneous transformation into bilayer borophene. Density functional theory calculations identify B5 clusters as the result of in-plane charge distribution and electron delocalization.
Researchers have developed a new method for downregulating gene translation in plants using upstream open reading frames (uORFs). The study, published in Nature Biotechnology, demonstrates the potential for precise and incremental regulation of gene expression.
Researchers have identified a gene network underlying rice grain size regulation, revealing a phosphorylation-driven auxin signaling pathway. The study found that OsTIR1–OsIAA10–OsARF4 plays a crucial role in controlling rice grain size and weight.
Researchers from Shanghai Astronomical Observatory detect radio recombination lines of carbon and oxygen ions for the first time, using the TianMa 65-m Radio Telescope. The discovery allows for accurate measurement of element abundances and has significant implications for studying interstellar chemistry and molecular formation.
The study reveals that Antarctic bottom water (AABW) has collapsed several times in the past, with these collapses linked to an enhancement of North Atlantic Deepwater and intensified Northern Hemisphere glaciation. AABW collapse may have pulled Earth into harsher glacial climates in the past.
Researchers have created twin-bioengine yeast micro/nanorobots that can autonomously navigate to inflamed sites in the gut, providing precise delivery of therapeutics via enzyme-macrophage switching. The robots effectively penetrate intestinal mucus barriers and increase drug accumulation at diseased sites.
Researchers have identified two giant proteins and two Ca2+ binding proteins as the key components behind the ultrafast contraction of Spirostomum, a genus of single-celled protists. The study's findings provide valuable insights into the molecular mechanism of ultrafast cell contraction.