Core Viewpoint - The establishment of a cross-grid trading mechanism marks a significant step towards building a unified national electricity market in China, facilitating the integration of electricity resources across different regions and enhancing power supply security [2][4][11]. Group 1: Cross-Grid Trading Mechanism - The National Development and Reform Commission and the National Energy Administration have approved a plan for a normalized electricity trading mechanism between the State Grid and Southern Grid, which will support power supply during peak summer periods and explore long-term green electricity trading [2][4]. - The cross-grid trading mechanism aims to eliminate barriers between the two electricity markets, allowing for market-based operations rather than relying solely on planned dispatch [4][5]. - The mechanism includes a detailed design for transaction organization, safety checks, and execution processes, introducing an "one registration, nationwide sharing" model for market participants [6][8]. Group 2: Market Transformation - Since the reform initiated in 2002, the electricity sector has transitioned from a planned economy to a market-oriented one, with market-based electricity transactions increasing from 1.1 trillion kWh in 2016 to an expected 6.2 trillion kWh in 2024, representing a rise from 17% to 63% of total electricity consumption [3][9]. - The cross-grid trading mechanism is expected to enhance the efficiency of electricity resource allocation nationwide, allowing for better integration of renewable energy sources [5][10]. Group 3: Green Electricity Trading - By the end of 2024, China's renewable energy generation capacity is projected to reach 1.45 billion kW, surpassing that of thermal power, with over 50% of renewable energy being consumed through market transactions [9][10]. - The new mechanism will facilitate the regular trading of green electricity, with significant transactions already taking place, such as the first cross-regional green electricity trade completed in March 2024 [10][11]. - The establishment of this trading mechanism is seen as a key solution to the challenges of integrating renewable energy into the grid, particularly in balancing supply and demand across different regions [9][10].

Core Viewpoint - The article highlights the innovative work of Meng Fanbo and his team in developing a "non-developable surface multilayer circuit printing technology," which is set to revolutionize aerospace equipment manufacturing [1][3]. Group 1: Background and Motivation - Meng Fanbo, a 32-year-old researcher at Xi'an University of Electronic Science and Technology, identifies himself as an entrepreneur in the aerospace electronics field [1]. - His interest in aerospace began in childhood with model aircraft, leading to a hands-on approach to building and innovation [3]. - The transition from hobby to research was marked by his involvement in a "simple search and rescue drone" project during his freshman year, which received university innovation funding [3]. Group 2: Challenges and Solutions - In 2022, the project team faced financial difficulties, as equipment development required significant investment, with motors costing tens of thousands of yuan [3]. - To overcome funding challenges, Meng actively sought solutions by participating in various entrepreneurial competitions and negotiating with investors, ultimately securing project support [3]. Group 3: Technological Breakthroughs - The team's breakthrough lies in the ability to print multilayer circuits directly on non-developable surfaces, such as spheres, using a five-axis linkage to drive an array of nozzles [3][4]. - Key technologies have been developed, including precise control of the nozzles and material sintering and curing processes [4]. Group 4: Research Philosophy and Vision - Meng Fanbo emphasizes the importance of perseverance in aerospace electronics research, stating that every direction presents challenges and that small breakthroughs will eventually be recognized [5]. - He draws inspiration from Qian Xuesen, advocating for a research ethos that balances ambition with practical execution, encouraging a mindset of innovation and resilience [4][5].

中国青年报客户端讯（中青报·中青网记者 张均斌）今年暑期，"昼伏夜出"正在成为餐饮消费新宠，各 地夜宵市场愈加火热。近日，美团团购发布"夏日不宅家"美食攻略，数据显示，夏至以来，武汉光谷、 深圳龙华、重庆观音桥、南京新街口、广州天河、深圳购物公园、上海五角场、广州长隆、成都春熙 路、成都天府新区的夜间逛吃客流持续领跑，成为全国十大热门夜宵商圈。 十大热门目的地截图。 一地一风味，夜宵江湖少不了"门派之争"。数据显示，川渝地区热衷辣椒与花椒碰撞的江湖豪气，蹄 花、烤鱼、麻辣小龙虾均是夜宵热搜词；广东地区在白粥和卤味里诠释"夜宵养生学"，夜茶、大排档、 小吃等业态均是老广的深夜心头好；东北三省喜欢"大口吃肉、大碗喝酒"的酣畅，烧烤堪称"镇派之 宝"，7月以来线上订单量同比增长101%；江浙沪则以河湖海鲜展现着江南水乡的"不时不食"，鱼鲜类 夜间堂食交易额增长40%以上。 消费偏好上，"质价比"将成为夏日夜宵关键词。美团研究院高级研究员柴锐表示，仅烧烤消费中，去年 以来，61-90元人均消费区间以及91-120人均消费区间的订单占比持续提升，61-90元人均消费区间更是 反超30元以下人均区间，成为订单数占比最高的 ...

Group 1 - The 12th World Congress of Chemical Engineering and the 21st Asia-Pacific Chemical Alliance Conference are being held together in China for the first time in 50 years, with nearly 5,000 top scientists and industry leaders from 66 countries participating [1][3] - The chemical industry is emphasized as the cornerstone of the modern industrial system, with innovation and international cooperation being crucial for technological breakthroughs and deep industry transformation [3] - China's chemical industry is the largest globally and has the most complete range of categories, showcasing its increasing influence in the chemical sector through numerous cutting-edge academic reports presented at the conference [3][4] Group 2 - The 2025 International Chemical Innovation Exhibition is being held concurrently, featuring themed exhibition areas that highlight the historical and future landscape of the chemical industry [4] - Key state-owned enterprises such as China National Petroleum, Sinopec, and China National Offshore Oil Corporation are showcasing major core technologies and innovations in essential fields like basic chemicals and new materials [4][5] - International participation is significant, with various authoritative institutions and well-known companies contributing to a narrative of open cooperation and mutual benefit in the global chemical industry [5]

Core Insights - The article discusses the rise of "group broadcasting" as a new trend among young audiences, highlighting its interactive nature and emotional value [1][2][3] Group Broadcasting Overview - "Group broadcasting" involves multiple hosts performing together, creating a dynamic and engaging environment that captivates viewers [1] - This format allows viewers to interact directly, influencing performances and outcomes, similar to voting in talent shows [2] Emotional Value and Audience Engagement - The emotional value provided by "group broadcasting" is more personalized and immediate compared to traditional entertainment formats, allowing viewers to feel a sense of control and influence [2][3] - The diverse styles and personas of hosts cater to various audience preferences, making it easier for fans to connect with their favorite performers [3] Accessibility and Participation - "Group broadcasting" lowers the barriers for audience participation, enabling fans to support their favorite hosts with minimal financial commitment, thus creating a lighter form of fandom [3] - The decentralized nature of this model emphasizes the role of audience support in a host's success, contrasting with traditional entertainment industry practices [3] Challenges for Hosts - Despite the emotional rewards for viewers, hosts often face significant challenges, including long working hours, physical strain, and an unstable career trajectory [4] - The pursuit of fame through "group broadcasting" can lead to feelings of emptiness and confusion for hosts after the performance ends [4] Future Considerations - The article raises concerns about the sustainability of "group broadcasting" as a trend, questioning whether the emotional value will continue to attract young audiences in the long term [5]

Core Viewpoint - Over 70% of surveyed university students express a desire to enhance research and development technology to reduce "AI hallucinations" [10] Group 1: AI Hallucination Awareness - 97% of surveyed students have encountered instances of AI providing incorrect or false information [1] - 57.63% of respondents reported errors in data or case citations when using AI, while 55.03% faced incorrect academic references [2] - 12.66% of respondents are very concerned about AI hallucinations, and 48.67% are somewhat concerned and cautious in their usage [8] Group 2: Impact on Academic Integrity - AI-generated false historical facts can significantly disrupt academic research, as highlighted by students who experienced fabricated citations and misattributed events [4][5] - 57.70% of respondents believe AI hallucinations lead to errors in assignments or papers, while 52.29% waste time verifying information [4] Group 3: Recommendations for Improvement - 74.26% of respondents wish to enhance R&D technology and optimize algorithm models, while 63.79% want to improve manual review and user feedback mechanisms [10] - Students advocate for AI tools to provide source transparency, similar to academic papers requiring citation of references [10]

Core Insights - The article discusses the recent findings from China's Chang'e 6 mission, which successfully returned lunar samples from the Moon's far side, specifically the South Pole-Aitken Basin, revealing significant insights into the Moon's geological history and evolution [1][2][3]. Group 1: Research Findings - Four key research outcomes were published in the journal Nature, focusing on lunar magma activity, ancient magnetic fields, water content in the mantle, and mantle evolution characteristics [2][4]. - The samples returned by Chang'e 6, weighing 1935.3 grams, provided unique information about the Moon's early internal structure and the differences between the near and far sides of the Moon [3][4]. - The initial materials forming the basaltic rocks were found to be extremely "depleted," offering insights into the Moon's cooling and evolution processes [4][9]. Group 2: Mission Background and Execution - Prior to the launch of Chang'e 6, research plans were established, and a dedicated team was formed to analyze the samples upon their return [5][6]. - The Chang'e 6 mission was noted for its successful sampling from a previously unreachable area of the Moon, which was highly praised by international scientists [3][6]. - The research teams completed multiple studies on the samples, including age dating, petrology, geochemistry, and water content analysis, leading to the submission of six research papers [6][9]. Group 3: Future Prospects - Future missions, including Chang'e 7 and Chang'e 8, are planned to further explore the Moon's South Pole and test in-situ resource utilization technologies, laying the groundwork for a lunar research station [9].

Group 1 - The core achievement of the research is the development of a three-dimensional reconstruction of 2,231 projection neurons in the macaque prefrontal cortex, revealing a "streamlined and efficient" connectivity pattern akin to a precise circuit for modular information processing [1] - The research team from the Chinese Academy of Sciences has developed an imaging system capable of completing whole-body subcellular resolution imaging of adult mice in 40 hours, clearly presenting the projection pathways of peripheral nerve fibers [1] - A new cell-type-specific targeting tool for primate brain research has been developed, overcoming transgenic limitations and marking a new stage in precise cell type analysis in macaque brains [1] Group 2 - The "Whole Brain Mesoscopic Neural Connectivity Atlas" project aims to create a comprehensive research system from circuit analysis to disease decoding, with a focus on mapping the mesoscopic brain atlas of non-human primates [2] - An international primate brain atlas research alliance is being established to integrate multinational technological resources and create a shared database, ultimately aiming to "understand, simulate, and protect the brain" [2] - The research team is continuously optimizing surgical techniques for macaque brain injections, which require precise navigation to avoid blood vessels and functional areas, highlighting the complexity and dedication involved in the procedures [2] Group 3 - The Chinese Brain Project aims to conduct large-scale foundational research while also addressing major societal needs through the diagnosis and treatment of brain diseases, as well as developing brain-machine interfaces and brain-inspired artificial intelligence [3] - The recent breakthroughs in brain mapping technology are expected to clarify brain structures and inspire research in brain-like intelligence [4] - A global open-access brain atlas database has been established, integrating cross-species cell atlases, neural connectivity maps, and multimodal dynamic data, which will support future understanding of human brain functioning and the development of next-generation brain-inspired AI [4]

Core Insights - The Jiangsu Province Urban Football League ("Su Chao") has gained significant attention, attracting both local small businesses and well-known brands as sponsors [2][3] - Local small shops, often lacking formal branding, have emerged as unexpected sponsors, benefiting from increased visibility and customer traffic due to their association with the league [2][4] Group 1: Sponsorship Dynamics - Small businesses like street-side barbecue shops and local eateries have become sponsors alongside major brands like KFC and JD.com, showcasing a unique blend of grassroots and corporate sponsorship [2][3] - The sponsorship fees for these small businesses are relatively affordable, allowing them to secure advertising space that was previously dominated by larger brands [2][7] - The number of sponsors has increased significantly, from single digits at the league's inception to nearly 30, covering various sectors including food, finance, and technology [7][8] Group 2: Business Impact - Local businesses have reported a surge in customer traffic and sales following their sponsorship involvement, with some experiencing a doubling of business [4][8] - For instance, "Dongha Northeast Street Barbecue" saw a dramatic increase in customers, leading to long wait times and the need for additional seating [4][6] - "He Xiaolei Fresh Marinated Goods" also reported a 30% increase in takeout orders after becoming a sponsor, highlighting the positive impact of the league on local businesses [5][6] Group 3: Community Engagement - Local shop owners are actively engaging with their communities, often giving back through free food offerings during events, which enhances their brand image and community ties [8][9] - The league has fostered a sense of community and local pride, with shop owners expressing gratitude for the opportunities provided by their involvement in the league [6][10] - The sponsorships have allowed small businesses to gain exposure in a way that resonates with local consumers, creating a shared experience around the sport [10][11]

Core Viewpoint - The launch of the "Dajili Car Owner+" mini-program by Guangdong Traffic Voice represents a strategic transformation of mainstream media from traditional broadcasting to a comprehensive digital service model, focusing on user needs and integrating various automotive services [3][5][6]. Group 1: Digital Transformation - The mini-program aims to upgrade traditional broadcasting into a digital and precise service, creating an ecosystem that combines broadcasting, internet, and services centered around car owners' needs [3][5]. - It reflects a broader trend in Guangdong's mainstream media, which is undergoing a comprehensive reconstruction from functional boundaries to value spaces [3]. Group 2: Service Integration - The mini-program integrates diverse services such as new car information, online car purchasing, used car evaluation and trading, maintenance appointments, car beauty services, annual inspections, violation inquiries, and automotive product selection, creating a "one-stop" automotive lifestyle portal [5]. - It incorporates social features, allowing car owners to connect by brand, share experiences, engage in Q&A, and participate in online forums, extending the community cohesion of traditional media into the digital space [5]. Group 3: Personalization and Future Development - Utilizing big data and intelligent algorithms, the mini-program offers immersive personalized recommendations based on vehicle information and usage habits, enhancing the understanding of audiences in the digital age [5]. - Starting from July 11, the "Dajili Car Owner+" themed buses will be launched, with plans for continuous iteration of the mini-program to cover more scenarios and link more resources, facilitating a shift from "listening to programs" to "using services" [6].