Core Insights - A groundbreaking method combining 3D printing, stem cell biology, and lab-cultured tissue technology has been developed by a research team at the University of Minnesota, offering new hope for spinal cord injury repair [1][2] - Over 300,000 individuals in the U.S. suffer from spinal cord injuries, with no effective means to fully reverse the resulting neurological damage and paralysis [1] - The innovative 3D-printed scaffold supports the growth of spinal cord organoids and contains region-specific spinal neural progenitor cells (sNPC) derived from human adult stem cells, which can self-renew and differentiate into various mature neural cells [1] Research Findings - The scaffold creates a neural relay system that, when implanted into the spinal cord, bypasses the damaged area and reconstructs neural signal pathways [1] - In animal experiments, the sNPC-containing scaffold was transplanted into completely transected rat spinal cords, resulting in the successful differentiation of implanted cells into functional neurons, extending nerve fibers in both rostral and caudal directions, and establishing new synaptic connections with the host spinal cord's existing neural network [1][2] Future Implications - The integration of newly formed neural tissue with the host spinal cord significantly enhances motor function recovery in rats, indicating the potential of this technology to restore neural conduction capabilities in damaged spinal cords [2] - The research is still in its early stages, primarily validating feasibility in animal models, but the scaffold presents unprecedented hope for curing spinal cord injuries [2]

Core Insights - A team of engineers from the University of Pennsylvania has successfully transitioned quantum network technology from the laboratory to practical application, marking a significant step towards building a future quantum internet [1] - The core achievement is a micro "Q chip" that coordinates the transmission of quantum information with classical data, allowing quantum signals to communicate using the language of modern internet protocols [1] Group 1 - The Q chip has been demonstrated to send quantum signals over commercial fiber networks while automatically correcting noise during transmission, packaging quantum and classical data into standard internet data packets [1] - The integration of the Q chip allows for the management of quantum signals on commercial networks using the same protocols as classical internet, indicating a move towards larger-scale experiments and practical quantum internet applications [1][2] - The challenge of expanding quantum signals has been addressed by the development of the Q chip, which coordinates a mixed information flow of classical signals and quantum particles [1] Group 2 - The mechanism of the Q chip is likened to railway transport, where classical signals act as the locomotive, guiding and navigating, while quantum information is akin to sealed containers that are securely delivered [2] - The Q chip is made from silicon-based materials and manufactured using established semiconductor processes, providing a realistic foundation for large-scale production and widespread application of the technology [2] - Currently, the network connects two buildings with one server and one node, utilizing approximately one kilometer of fiber, and can be expanded by producing more chips to integrate with existing urban fiber networks [2]

Core Insights - Researchers at Cornell University have developed a groundbreaking "one-step" 3D printing method for creating record-performance superconductors, specifically niobium nitride, achieving an unprecedented upper critical magnetic field of 40-50 teslas [1][2] - This new method simplifies traditional complex processes, potentially advancing various fields from medical imaging magnets to quantum devices [1] Group 1: Research Breakthrough - The 3D printed niobium nitride superconductor exhibits a record "constraint effect induced value" due to its nanoporous structure, which is crucial for strong superconducting magnets like MRI machines [2] - The team previously utilized block copolymers for self-assembling superconductors, demonstrating that soft material methods can produce superconductors with performance comparable to traditional methods [1][2] Group 2: Methodology and Efficiency - The new "one-step" process uses an "ink" composed of block copolymers and inorganic nanoparticles, allowing for self-assembly during 3D printing and subsequent thermal treatment to form porous crystalline superconductors [1] - This method eliminates multiple synthesis steps, powder preparation, binder addition, and several heating cycles, significantly enhancing efficiency [1] Group 3: Future Applications - The team plans to extend this method to other superconducting materials like titanium nitride and explore complex 3D geometries that are difficult to achieve with traditional methods [2] - The record high surface area resulting from the porous architecture opens new avenues for research into quantum materials and the development of next-generation devices [2]

记者28日从中国科学院空天信息创新研究院（以下简称"空天院"）获悉，该院传感器技术全国重点实验 室与哈尔滨医科大学附属第一医院联合完成了"基于植入式微电极阵列的脑深部肿瘤边界精准定位"临床 试验。这是全球范围首个脑机接口应用于脑深部肿瘤术中边界精准定位的临床试验，标志着我国自主研 发的植入式临床脑机接口技术实现重要突破。 该临床试验采用了空天院自主研发的临床脑机接口微电极（NeuroDepth），以及多层次调控与高通量神 经信号同步检测仪（AIRCAS-128）。前者通过实时信号检测，高精度获取肿瘤边界特征信号；后者可 同步采集、分析海量神经信号，将电极捕捉的原始信号转化为精准的"病灶导航"，为肿瘤术中边界判断 提供实时数据。 "该技术不仅突破了传统神经电极仅能检测脑表面和浅层的局限，可探测包含脑表面、浅脑与脑深部的 全脑任意区域；还可同步检测化学信号如多巴胺、谷氨酸等神经递质，为区分肿瘤组织与正常组织提供 更全面的依据。"空天院特聘研究骨干、副研究员王蜜霞介绍，这有助于科学开展手术规划，在精准切 除恶性肿瘤的同时，保护大脑运动、语言、认知等功能区。 本次临床试验针对一位胶质瘤患者开展。该患者术前由于脑肿瘤压 ...

Core Insights - A groundbreaking adaptive, broadband, high-speed wireless communication chip has been developed using advanced thin-film lithium niobate photonic materials, marking a significant achievement in optoelectronic integration technology [1][2] - The chip overcomes the limitations of traditional electronic hardware, which operates only in single frequency bands, by enabling cross-band functionality [1] - The system achieves a transmission rate exceeding 120 gigabits per second, meeting the peak rate requirements for 6G communication [2] Group 1 - The chip integrates capabilities for broadband wireless and optical signal conversion, low-noise carrier signal coordination, and digital baseband modulation, effectively bridging the gap between different frequency devices [1] - The proposed integrated optoelectronic oscillator (OEO) architecture utilizes high-precision optical micro-ring frequency locking, enabling rapid and precise generation of communication signals across a super-wide frequency range from 0.5 GHz to 115 GHz [1] - This innovation addresses previous challenges in balancing bandwidth, noise performance, and reconfigurability, representing a milestone breakthrough in the field [1] Group 2 - The chip is expected to lay the hardware foundation for "AI-native networks," allowing dynamic adjustment of communication parameters to adapt to complex electromagnetic environments [2] - Future applications include enhancing base stations and vehicular devices to accurately sense their surroundings during data transmission, driving upgrades in key components such as broadband antennas and optoelectronic integrated modules [2] - The development paves the way for efficient utilization of frequency spectrum resources in terahertz and higher frequency bands for 6G communication [2]

Core Insights - Chinese scientists have successfully observed a new type of "thermal" topological edge state on a 125-bit superconducting quantum chip, paving a new path for protecting fragile quantum information [1][4] - The research was published in the latest issue of Nature and involved collaboration between Tsinghua University and Zhejiang University [1] Group 1: Research Findings - The study focuses on symmetry-protected topological edge states, which are novel states of matter in condensed matter physics, known for their resistance to specific symmetry disturbances and potential in quantum information [4] - The research team conducted quantum simulation experiments using the "Tianmu 2" superconducting quantum chip, which features flexible programmability and high-precision synchronous quantum logic operations [4] - The team successfully observed topological edge states that are unaffected by thermal excitations during approximately 270 layers of quantum circuit evolution, and they investigated the dynamics of thermal excitations in a preheated state [4] Group 2: Methodology and Implications - The research established a feasible digital quantum simulation method based on high-precision control of the 100-bit superconducting quantum chip, providing new experimental means to explore topological materials at finite temperatures [4] - The team also utilized robust topological edge states to encode and prepare logical Bell states, effectively validating their robustness against thermal excitations [4]

Core Viewpoint - The "Artificial Intelligence+" action plan aims to deeply integrate artificial intelligence with various sectors of the economy and society, fostering a new intelligent economy and society by 2035 [1][2][3] Group 1: Objectives and Goals - By 2027, the plan aims for widespread integration of AI in six key areas, with over 70% application penetration of new intelligent terminals and agents, and a significant enhancement of AI's role in public governance [1] - By 2030, AI is expected to fully empower high-quality development, with over 90% application penetration of new intelligent terminals and agents, making the intelligent economy a crucial growth driver for China's economy [1] - By 2035, the country aims to enter a new stage of intelligent economy and society development, providing strong support for achieving socialist modernization [1] Group 2: Key Actions - The plan outlines six key actions, including accelerating the implementation of AI in scientific technology, industrial development, consumer quality improvement, public welfare, governance capabilities, and global cooperation [2] - In the scientific technology sector, the plan emphasizes the construction and application of large scientific models, upgrading major scientific infrastructure, and enhancing complex scientific data processing capabilities [2] - For industrial development, the plan focuses on intelligent integration across all industrial elements, promoting AI-driven production process optimization, and enhancing industrial systems' intelligent perception and decision-making capabilities [2] Group 3: Advantages and Impacts - The implementation of the "Artificial Intelligence+" action is expected to leverage China's rich data resources, complete industrial system, and vast application scenarios to upgrade traditional industries and develop new strategic industries [3] - The plan is anticipated to stimulate demand growth, accelerate energy transition, and attract global investment, contributing to high-quality economic development and enabling all citizens to share in the benefits of AI [3] - The establishment of a dual empowerment model, where innovation drives application and application promotes innovation, is a key feature of the plan, supported by optimized application environments and robust policy frameworks [3]

在沉积碳酸盐岩内，微量硫酸根中的叁氧同位素可以连续记录大气氧独有的非质量依赖氧同位素负异常 信号，进而追踪古大气氧含量的变化。 地球大气氧含量是如何从无到有达到富氧状态，并驱动生命起源演化、改善行星宜居性的？记者8月27 日从南京大学获悉，该校研究人员携手中外科研机构同行，通过建立高分辨率硫酸盐叁氧同位素数据记 录，结合系统生物地球化学模型定量分析，揭示了地球大气由无氧向富氧转变的阶段性演化历史和控制 机制。该研究为理解地球生命起源与演化和地球宜居性的形成与演化，提供了关键的地球化学示踪指标 和重要的理论基础。相关成果发表在国际学术期刊《自然》上。 研究团队通过系统采样分析与文献数据整合，建立了过去近30亿年的叁氧同位素演化记录。记录显示， 大气氧含量经历了3次显著跃迁，分别发生在古元古代（24亿年前至21亿年前）、新元古代（约10亿年 前）和古生代（约4.4亿年前）。这3次跃迁中，地球氧气从无到有，并呈阶段性上升，于距今约4.1亿年 前趋近稳定的富氧状态。 进一步研究发现，大气氧含量上升后，开始周期性氧化以缺氧为主的海洋，促进了缺氧水体中有机碳与 还原性硫的氧化，生成大量缺失34S/17O/13C的硫酸盐与 ...

Group 1: Manufacturing Innovations - The development of "hand-tear steel" by Taiyuan Iron and Steel Co. (TISCO) fills a critical gap in the photolithography process with a precision foil of only 0.025 mm thickness and 1 micron accuracy, showcasing China's capability in advanced manufacturing [1] - The C919, China's domestically produced large passenger aircraft, has achieved normalized commercial operations, covering 16 cities and transporting over 2.05 million passengers in two years, marking a significant milestone in China's aerospace industry [2] - The "China Railway 1459" shield tunneling machine, developed by China Railway Engineering Equipment Group, sets a new record for the largest excavation diameter for exported shield machines, demonstrating advancements in construction machinery [2] Group 2: High-end Manufacturing Growth - High-end manufacturing is identified as a crucial support for high-quality economic development, with a focus on technology research and increasing domestic substitution rates to strengthen national capabilities [3] - During the 14th Five-Year Plan period, significant achievements in high-end manufacturing include the launch of the "Aida·Magic City" cruise ship and the successful operation of the world's first 16 MW offshore wind turbine [3] - The high-tech manufacturing sector's added value is projected to grow by 42% compared to the end of the 13th Five-Year Plan, with its share of industrial added value reaching 16.3% [4] Group 3: Digital Transformation in Manufacturing - The integration of AI and robotics in manufacturing is advancing, with robots capable of performing complex tasks and communicating with engineers, indicating a shift towards intelligent manufacturing [6] - The implementation of deep learning models in factories has improved parameter prediction accuracy by over 5%, leading to significant economic benefits [7] - By March 2023, over 30,000 smart factories have been established in China, with a digital design tool penetration rate of 83.5% and a CNC rate of 66.2% in key processes [7] Group 4: Green Manufacturing Initiatives - The establishment of the first 100% green electricity-connected zero-carbon industrial park in Dongying, Shandong, represents a significant step towards sustainable manufacturing practices [8] - The construction of the world's largest compressed gas energy storage station in Xinjiang highlights advancements in clean energy storage technologies [8] - By the end of 2024, China aims to cultivate 6,430 national-level green factories, contributing approximately 20% to the total manufacturing output, emphasizing the shift towards sustainable production [9]

Core Insights - The Daniel K. Inouye Solar Telescope has captured the clearest images of solar flares to date at H-α wavelength (656.28 nm), marking a significant advancement in solar observation [1][2] - The telescope recorded numerous dark coronal loops during an X1.3-class flare, with an average width of 48.2 kilometers and a minimum width of 21 kilometers, setting a record for the narrowest coronal loops observed [1] - This breakthrough allows scientists to directly study the fundamental processes driving flares, such as magnetic reconnection, which were previously only theorized [1] Group 1 - The Inouye Telescope's observations provide a direct view of coronal loops, which are plasma arcs along solar magnetic field lines, often appearing before flares [1] - The ability to observe these structures at such a fine scale enables researchers to investigate the core mechanisms behind flare occurrences [1][2] - The imagery produced by the telescope is described as stunning, with dark filamentous loops resembling a glowing archway, allowing even non-experts to appreciate the complexity and beauty of solar phenomena [2] Group 2 - The previous theoretical predictions suggested that the width of these loops could range from 10 kilometers to 100 kilometers, but direct observation was hindered by resolution limitations [1] - The Inouye Telescope's capability to capture these details represents a leap forward in solar physics, providing insights that were previously confined to theoretical models [1] - The findings may have implications for understanding solar storms and their potential impact on Earth's critical infrastructure [1]