Researchers have developed low-cost micro-sized silicon anodes from recycled photovoltaic waste using a novel electrolyte design. The new anodes exhibit remarkable electrochemical stability, maintaining an average coulombic efficiency of 99.94% after 200 cycles. This breakthrough addresses the major challenges facing micro-sized silico...
Researchers propose a novel approach using CRISPR to stabilize DNA G4s at specific genomic locations, enabling precise investigation into biological processes and disease associations. The method leverages CRISPR-guided biotin-conjugated compounds to target specific G4s with reduced off-target effects.
The study reveals that 'move' dominated during Eocene and Miocene Climatic Optimums, while 'evolve' prevailed after Miocene, correlating with global cooling and new habitats. The transition between these strategies has significant implications for plant survival and adaptation.
Researchers from Chinese Academy of Sciences have provided mechanistic insights into the activation of SLAC1, a key anion channel involved in plant guard cell signaling. Phosphorylation of SLAC1 facilitates anion efflux, leading to membrane depolarization and stomatal closure.
Researchers developed an innovative gene-writing technology based on R2 retrotransposons, enabling efficient and precise targeted gene integration in human cells. The en-R2Tg system achieves high gene integration specificity at the 28S rDNA safe harbor site, reducing mutagenesis risks.
Researchers observe antiferromagnetic phase transition in a large-scale quantum simulator, capturing key findings in the fermionic Hubbard model. The study highlights the advantages of quantum simulation and advances understanding of quantum magnetism.
A research team used the "motion picture" method to measure the precession rate of the Milky Way's disk warp, revealing a slightly oblate dark matter halo with a flattening ratio between 0.84 and 0.96. The study found that the current dark matter halo exhibits a retrograde precession direction at a rate of 2 km/s/kpc.
Carbon nanotube fibers exhibit excellent mechanical properties, surpassing traditional ballistic fibers in terms of dynamic strength and energy absorption. The innovative multiscale structural optimization strategy achieved a breakthrough in both quasi-static and dynamic strength.
Researchers studied Chang'e-5 samples to understand how solar wind irradiation and micrometeorite impacts form metallic iron nanoparticles, revealing distinct effects on size and optical properties. The study provides insights into lunar surface color variations and remote sensing measurements.
The study found that MCT1 regulates mitochondrial biogenesis and exercise activity in skeletal muscle, improving exercise endurance and metabolic phenotypes. MCT1 also plays a crucial role in the 'lactate shuttle' between muscle fibers, enabling efficient energy metabolism.
Researchers found that tropical tree communities exhibit higher levels of phytochemical diversity, leaf herbivory, and specialized herbivory compared to less diverse subtropical and subalpine forest communities. This study highlights the importance of biotic interactions in maintaining biodiversity in tropical regions.
A study published in PNAS reveals the molecular mechanisms underlying SSTR5 activation by neuropeptides and drugs, including cortistatin-17 and octreotide. The researchers employed single-particle cryo-electron microscopy to determine three-dimensional structures of SSTR5 bound to these ligands, showing how they trigger conformational ...
A new plant gene drive system, CRISPR-Assisted Inheritance (CAIN), has been developed to enhance trait inheritance in plants. The system uses a toxin-antidote mechanism to override Mendelian inheritance, allowing for the spread of beneficial genes at higher rates.
Researchers propose a novel hydrogel electrolyte formula that effectively interrupts water clusters and enhances water covalency, resulting in an expanded voltage stability window. The design improves the battery's climate adaptability by regulating Zn solvation and interfacial adhesion.
Researchers developed a crystalline carbon nitride membrane that outperforms traditional polymer membranes in separating lithium ions from magnesium ions in salt-lake brine. The innovative design mimics biological ion channels, achieving an impressive selectivity ratio of 1,708 for highly dilute lithium ions.
Researchers at NIMTE have developed a fatigue-free ferroelectric material based on sliding ferroelectricity, eliminating performance degradation and device failure. The bilayer 3R-MoS2 dual-gate device retained its memory performance after 10^6 switching cycles.
The discovery of Helicolocellus fills a 160-million-year gap in the sponge fossil record and suggests non-biomineralizing sponges existed in the Precambrian. The study bridges the Ediacaran and Cambrian fossil assemblages, providing insights into animal evolution.
Researchers have characterized the diversity of DNA transposons and expanded the genome engineering toolbox. They identified 40 novel transposons with activity in human cells, significantly expanding their evolutionary diversity.
A comprehensive study led by Dr. Luan Shenghua of the Chinese Academy of Sciences found a general factor of impulsivity that is stable and predictive of behaviors, contradicting claims of its demise as a personality trait.
The study found that programmed cell death is a prerequisite for sperm release in liverworts. MpMLO1 protein increases cytoplasmic Ca2+ levels and induces PCD, allowing sperm to enter the antheridial pore for fertilization.
Researchers identified an ideal small-grain gene, GSE3, and used CRISPR-Cas9 technology to edit it in male sterile lines, achieving fully mechanized hybrid seed production. This breakthrough enables significant yield improvements and enhances food security.
A new study reveals the continuous evolutionary history of rice from wild to domesticated over 100,000 years, with China identified as its birthplace. The research provides new evidence for understanding the development of human society and the origins of agricultural civilization.
Researchers from USTC identified a causal link between microbial regulation and colitis exacerbation, proposing a treatment approach by blocking the enterococcus-tyramine-ADRA2A axis. This study provides new ways for treating inflammatory bowel disease.
Researchers identify REF1 as a key local wound signal governing plant regenerative responses. Its application has improved transformation efficiency in crops like soybeans and wheat.
Researchers sequenced ancient genomes to understand the genetic composition of western plateau populations over 3,500 years. They found complex interactions between southern and western plateau populations, with Central Asian components introduced around 2,300 years ago.
The study reveals that noradrenaline transporter forms a homodimer mediated by cholesterol and lipids, regulating substrate binding. Six different antidepressants bind to NET with overlapping but distinct modes, conferring subtype selectivity.
An international team used deep learning neural networks to identify rare weak signals in quasar spectral data. They discovered 107 extremely rare neutral carbon absorbers, doubling the number of samples found in 2015, and detected more faint signals than before.
The BESIII experiment has made the first measurements of the quantum numbers of X(2370), a particle consistent with a glueball. The study confirms the existence of glueballs, a crucial test of the Standard Model, and provides strong experimental evidence.
A global research team suggests that all eight baobab species originated in Madagascar due to genomic analysis. The most likely scenario is that baobabs dispersed from Madagascar when sea levels were lower, but rising sea levels could hinder their expansion and threaten their populations.
A new study has revealed the mechanisms behind hydrodynamic escape in low-mass exoplanets, which is a process that can lead to significant changes in a planet's mass and climate. The research proposes a new classification method for understanding these escape processes and provides insights into the habitability of distant worlds.
Chinese researchers have discovered huge magnetic toroids in the halo of the Milky Way galaxy using data from pulsars and radio telescopes. The study provides crucial constraints on the origin of cosmic magnetic fields and offers insights into the physics of our galaxy.
Scientists have discovered six high-redshift galaxies using the FAST telescope, finding significantly more atomic hydrogen gas than previously surveyed galaxies. This reveals that galaxies four billion years ago had more star-forming gas than current-day galaxies, challenging previous assumptions.
Researchers have discovered distinct ethanol-water molecular clusters that determine critical alcohol content ranges in various beverages. By controlling these clusters' transitions, manufacturers can maintain ideal taste while reducing alcohol concentration.
A study published in Science reveals two patterns of tumor-infiltrating B cell responses: germinal center-like and extra-follicular. The former is associated with anti-tumor immunity, while the latter is linked to an immunosuppressive tumor microenvironment. Researchers propose targeting atypical memory B cells for cancer immunotherapy.
Soil carbon dioxide emissions are more sensitive to climate warming in permafrost-collapsed areas, releasing about 5.5 times more CO2 than non-collapsed areas. The study found that thermokarst formation increases the temperature sensitivity of CO2 release.
Chinese scientists developed a new three-phase OSW electrocatalytic system for efficient production of high-purity benzaldehyde, achieving 97% Faradaic efficiency and 91.7% purity without post-purification processes. The system uses clean energy and water resources, simplifying product separation and purification.
A recent study published in Nature reveals a vast DNA tree of life for flowering plants, providing insights into their evolutionary history. The analysis of over 9,500 plant species reveals the rapid development of diversity in ancient times, with key findings supporting the plastid-based phylogenetic classification of angiosperms.
Targeted genome editing tools have revolutionized crop breeding methods, significantly improving breeding efficiency and precision. The latest advances in base editing, prime editing, and precise manipulation tools are expected to become critical foundational technologies for future crop research and breeding applications.
A new study by Chinese researchers has developed a high-energy-density aqueous battery using a mixed halogen solution as the electrolyte. The battery achieved a specific capacity of over 840 Ah/L and an energy density of up to 1200 Wh/L.
Scientists have developed a new method to efficiently extract information from galaxy surveys, enabling the use of high-order information in future studies. This breakthrough has significant implications for understanding dark energy, dark matter, and gravity.
Researchers demonstrated straight-sliding dynamics of electric current-driven antiskyrmions in a MnPtSn chiral magnet at room temperature and zero external magnetic field. The method allows for the manipulation of antiskyrmions in helical stripe domains, overcoming deflection by the Magnus force.
A recent study published in Science reveals a vast store of global soil inorganic carbon (SIC) amounting to 2,305 billion tons, surpassing vegetation's combined carbon content. This 'hidden pool' is vulnerable to environmental changes, posing significant risks to ecosystem functions and climate change mitigation strategies.
Scientists used lithium isotope data to show that continental clay export promoted organic carbon burial and thus atmospheric oxygenation during the Cambrian period. This finding challenges traditional views on marine oxygen levels during this time, suggesting a complex interplay between oceanic and atmospheric processes.
A team of researchers used a single-cell transcriptomic map to investigate the role of androgens in shaping sex differences. They identified genes influenced by androgens and found that group 2 innate lymphoid cells play a role in inflammation and disease susceptibility.
A study by Prof. LI Yu and colleagues reveals that glucose signals are essential for regulating thermogenic activity in beige adipocytes, which emerge in response to cold stress. The researchers identified the transcription factor CREB/ATF bZIP (CREBZF) as a key mediator of glucose effects.
A new study identifies the mechanism underlying N6-methyladenosine (m6A) RNA modification in mammals, revealing its role in regulating gene expression and promoting genome stability. The study found that DDX21 and METTL3 work together to facilitate m6A deposition co-transcriptionally.
Scientists have developed a method to precisely control the shape and contact angle of microdroplets, achieving arbitrary shapes and a wide range of contact angles. This breakthrough challenges the traditional Gibbs equation, which predicts contact angles for macro-droplets on rough surfaces.
Researchers discovered that neonatal spinal cord ECM significantly enhanced NPC proliferation, migration, and differentiation compared to adult ECM. This study highlights the critical role of early developmental spinal cord ECM in orchestrating spinal cord regeneration processes.
Researchers have discovered fossilized water striders in copulation, providing a rare glimpse into the mating behaviors of ancient insects. The study reveals strong sexual conflict between males and females, with males using specialized morphological adaptations to overcome female resistance.
Researchers describe two Jurassic mammaliaforms from China, revealing dental diversification and the emergence of middle ear ossicles. The findings support a classic example of vertebrate evolution and provide new insights into early mammalian phylogeny.