Researchers found that the Central Tibetan Valley was at a relatively low elevation of 1,700 m between 50–38 mya and rose rapidly to over 4,000 m between 38–29 mya. This rise led to significant climate change, transforming the region from a subtropical ecosystem to an alpine one.
Researchers developed an optogenetic approach to control parathyroid hormone secretion and prevent secondary hyperparathyroidism-associated bone loss. The method partially attenuated SHPT-associated bone loss in animal models, suggesting its potential as a treatment for hyperparathyroidism-induced bone disease.
Researchers found that Earth's inner core is a mixture of solid iron sublattice and liquid-like light elements, known as superionic state. This discovery provides critical clues for understanding the softness and seismic velocities of the inner core.
Researchers develop a new wheat mutant with broad-spectrum powdery mildew resistance, without growth or yield defects. They achieve this through multiplex genome editing, identifying the role of TaTMT3B in alleviating growth penalties associated with MLO disruption.
Researchers have designed six new psychedelic analogues that don't trigger hallucinations, displaying effective antidepressant activity in mice. The findings provide a solid foundation for the development of safe and effective non-hallucinogenic antidepressants.
A new sequencing technique called 2bRAD-M has been developed to accurately identify species-level information from low-biomass and degraded microbiome samples. The method uses restriction site-associated DNA sequencing (RADseq) to produce high-resolution profiles of bacteria, archaea, and fungi down to the level of species.
Researchers create intelligent material that automatically controls heat transmission, enabling thermal insulation at low temperatures while dissipating excess heat during overheating. The study reveals a promising model for building thermal fields, providing new avenues for designing smart reactors for green chemical industries.
A recent study has investigated the effect of donor selection on transplanted microbiota establishment and long-term stability in aged hosts. Autologous FMT demonstrated better resilience than heterologous FMT in restoring gut microbiota diversity after antibiotic-induced perturbation.
Researchers found that REM sleep has specific properties allowing rapid arousal in response to predatory stimuli. The medial subthalamic nucleus (mSTN) plays a key role in this process, producing a lowered arousal threshold during REM sleep for detecting predator threats.
Researchers have developed a new selective membrane technology that significantly improves the cycling stability of dual-ion batteries. The innovative approach decouples negatively charged anions from solvents, preventing co-intercalation and electrolyte corrosion, leading to enhanced oxidation resistance.
Researchers found that knocking down LCDR in lung cancer cells promotes apoptosis, providing a potential new target for diagnosis and treatment. Additionally, targeting LCDR shows promise as a therapeutic strategy and has diagnostic value for lung adenocarcinoma.
Researchers have discovered the earliest known ant mimics in mid-Cretaceous Kachin amber, extending the geological range of myrmecomorphy by approximately 50 million years. The study found that these ancient organisms closely mimic different hymenopteran models during different stages of development.
Researchers have found the Milky Way to be significantly lighter than previously thought, with a total mass of 500-800 billion solar masses. This new estimate is based on high-precision data from Gaia EDR3 and advanced dynamical modeling methods.
The Chang'E-5 lander has made the first onsite detection of water on the Moon, providing evidence of hydroxyl and/or H2O presence. The discovery was made using reflectance spectral data from the lunar surface acquired by the lander.
The FAST telescope detected accurate magnetic field strength in molecular cloud L1544, suggesting an early transition to supercriticality. The HINSA Zeeman effect revealed a coherent magnetic field structure throughout the interstellar medium.
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.
Scientists studied the Lanzhou Basin sedimentary succession to reconstruct Asian monsoon precipitation patterns during a warm, high-CO2 world. They found prominent short and long eccentricity cycles influencing monsoon variability, which may become increasingly susceptible to global warming.
Researchers found that species-rich forests produce more wood and are less affected by extreme weather conditions. The main reason for this stability is the diversity of functional characteristics among tree species, which helps counterbalance fluctuations in climate.
Scientists developed a novel nanoporous gating system to precisely control and observe dynamic gating processes, inspired by cell performance. The system achieved controlled dynamic gating through conducting polymer polypyrrole at sub-2 nm speed.
A novel InOOH electrocatalyst with frustrated Lewis pairs enables efficient urea synthesis from CO2 and N2 at room temperature. The catalyst achieves a high urea yield rate of 6.85 mmol h-1 g-1, promising a sustainable solution to excessive CO2 emissions during N2 fixation.
A new fossil discovery reveals an extinct early bird that could stick out its tongue, with a bony tongue nearly as long as its head. This finding provides insights into the evolution of feeding mechanisms in birds, highlighting the variation in skull shape and size among ancient species.
Researchers demonstrate an innovative chemical method to engineer diverse layered hydrogels with wet and slippery properties, suitable for tissue-like models, soft robots, and intelligent devices. The UV-SCIRP method enables the efficient construction of complex hydrogel patterns and non-flat arbitrary-shaped objects.
Researchers have proposed a novel bilayer structure composed of NiOx and MoOx films to extract hole carriers from c-Si more efficiently. This structure achieved a remarkable power conversion efficiency of 21.31% in c-Si solar cells.
A bioinspired hierarchical porous membrane, based on intrinsic microporosity polymers, was developed to enhance uranium extraction from seawater. The membrane achieves higher numbers of interconnected multiscale channels, improving adsorption performance.
Researchers have created reconstructable uterus-derived materials (RUMs) to aid in the recovery of damaged uteruses. The materials, which can be formed into different states and shapes, prevent intrauterine adhesion and promote angiogenesis, endometrial regeneration, and muscle collagen rebuilding.
A recent study revealed Asian climate variability across the early-to-middle Pliocene Warm Period, providing insights into future climate change. The research found that CO2-induced global warming led to increased summer monsoon moisture transport over East Asia and aridification in Central Asia.
A study published in Science Advances reveals that felsic volcanism in South China drove the end-Permian mass extinction, with extreme elemental copper enrichment and light isotopic compositions indicating large-scale eruptions near the studied outcrops. This finding strengthens the case against the Siberian Traps as the sole trigger f...
Scientists have created a photostabilizer that scavenges singlet oxygen atoms and free radicals, improving electrochemical performance in high-voltage lithium batteries. The bio-inspired mechanism addresses the issue of electrolyte degradation, which poses challenges to next-generation energy storage devices.
Research analyzed keywords in pre-Qin Confucian and Legalist classics to compare motivational tendencies. The study found that Legalists used power and reward more frequently than Confucians, who were also driven by power but less so by rewards.
The study reveals that Arabidopsis carboxylesterase 15 (AtCXE15) and its orthologues efficiently hydrolyze plant hormone strigolactones (SLs), regulating shoot branching and plant architecture. This discovery provides a rational approach to manipulating endogenous SLs for crop improvement.
Researchers developed a hybrid membrane using graphene oxide and tungsten trioxide nanoparticles to reduce vanadium ion permeation in VRFBs. The new membrane shows high ion selectivity, improving Coulombic and energy efficiency compared to commercial membranes.
A recent study published in eLife suggests that xylophagous beetles played a key role in the Permian carbon cycle and experienced severe ecological consequences due to end-Permian deforestation. This research provides new insights into the ecological response of insects to deforestation and global warming.
Researchers have developed an ultra-stable amorphous Ta2O5/C nanocomposite with a hollow multishelled structure that can improve the efficiency of water purification. The composite decreases the energy required for water evaporation and enables a super-fast evaporation speed of 4.02 kg m-2 h-1.
A study by Prof. MA Keping and colleagues found that older forests with high functional diversity achieve higher productivity than those with low diversity or specific high average traits. This reliable tool helps forest managers connect restoration actions to goals, essential for mitigating climate change and biodiversity loss.
Researchers have proposed new radioisotopic dates for Ediacaran fossil assemblages and carbon isotope perturbations, providing age constraints for both. The study reveals two negative carbon isotope excursions in the 575–550 Ma period, with the Shuram event occurring between 575 Ma and 565 Ma.
Scientists discovered a persistent link between Earth's orbit and millennial-scale climate variability. The study analyzed four climate-sensitive records, finding that orbital variations influenced abrupt climate events through the Pleistocene. This discovery highlights the complex interactions between orbital geometry and global glaci...
Researchers found that theta oscillations in the medial prefrontal cortex and entorhinal cortex coordinate spatial computations, guiding human navigation behavior. Grid-like representations were identified in both regions, with synchronization between them predicting navigational performance.
A new buoy-borne underwater dark field imaging system has been developed to expand marine plankton monitoring capabilities. The system features a high-quality imager with embedded computer and cloud computing-based deep learning algorithms for object detection and quantification.
Researchers have developed a ferritin-based nanomedicine that targets diverse leukemia types, improving therapeutic efficacy and reducing toxicity. The nanomedicine delivers arsenic to leukemia cells, enhancing killing effects while minimizing harm to normal tissues.
Researchers found osteocalcin hormone facilitates oligodendrocyte differentiation and hypermyelination through transcription factor Myrf. GPR37 receptor mediates OCN's function in oligodendrocytes, affecting myelin production and remyelination.
A recent study in Nature Sustainability explores sustainable pathways for China's increasing food demand while balancing trade and environmental impacts. The research highlights the importance of integrating global optimization towards SDGs to address challenges such as food security, water shortage, and greenhouse gas emissions.
Researchers have found 47 lunar fragments with crystallization ages of 2.03 billion years, filling a 2-billion-year gap in the Moon's volcanic history. The samples provide conclusive evidence that magmatic activity on the Moon persisted until at least two billion years ago.
The Chang'E-5 mission has provided new insights into the Moon's surface features, including the Ocean of Storms, which may have been even more stormy than previously thought. The samples also reveal a distinct lunar basalt composition different from Earth-based basalt.
The study provides evidence that lunar volcanic activity persisted for a longer period than previously thought, extending the duration of geological processes on the Moon. The samples also reveal that the Moon's interior was still evolving at around 2 billion years ago.
Researchers measured the alpha-proton reaction of magnesium-22, providing essential data for understanding X-ray burst light curves and environments. The new reaction rate was used to closely reproduce observed X-ray bursts, shedding light on the physics behind these events.
Researchers from China's Academy of Sciences propose a framework to determine ecological priorities across Mainland Southeast Asia by combining ecosystem services, ecological sensitivity, and biodiversity indicators. The proposed model identifies areas for protection based on overlapping hotspots of diversity, sensitivity, and service ...
Researchers have developed chimeric exosomes that co-activate the immune system to combat tumors. The therapy targets solid tumors, where the immune cells are often compromised, and improves treatment outcomes for patients.
A team led by Prof. LI Di and Dr. WANG Pei detected 1,652 independent bursts of Fast Radio Burst (FRB) 121102 within 47 days using the Five-hundred-meter Aperture Spherical radio Telescope (FAST). The characteristic energy and energy distribution of FRBs were determined for the first time.
A team of astronomers used LAMOST observations to classify hundreds of unidentified gamma-ray sources as blazars. The study provides insight into the nature of these sources and their potential counterparts in active galaxies.
A new species of mixopterid, Terropterus xiushanensis, has been found in South China's Lower Silurian deposits. The discovery expands our understanding of the morphological diversity and geographical distribution of mixopterids.