同时，研究团队发现，蝗虫体内的两种关键酶4VPMT1和4VPMT2，专门负责4VA合成的最后一 步。"这两种关键酶是阻止蝗虫聚集的绝佳'靶子'。"论文共同通讯作者、北京大学教授雷晓光说，"根据 这两个关键酶的工作原理，我们设计出一种小分子抑制剂。这个抑制剂能精准关闭4VA的生产线，阻止 其释放。实验证明，这种方法能成功干扰蝗虫，让它们无法有效聚集。" 康乐表示，这项研究不仅揭示了蝗虫聚集的深层分子机制，更重要的是为害虫防治提供了新思路 ——通过干扰昆虫的信息交流来控制其行为，而非使用传统农药。这种方法有望推动农业害虫治理向绿 色、可持续方向发展，对保障粮食安全和生态安全具有重要意义。 蝗虫在啃噬玉米叶。康平 ( 云南分社 )/ 中新社 蝗灾与旱灾、洪灾并称为我国历史上的三大自然灾害，曾造成严重的农业和经济损失。记者7月7日 从中国科学院动物研究所获悉，该所中国科学院院士康乐团队与合作者成功解析了蝗虫群聚信息素 （4VA）在蝗虫体内的完整产生过程，并找到了制造4VA的关键酶。基于这些发现，研究团队设计出了 一种小分子抑制剂，能够精准调控4VA的合成和释放，从而有效干预蝗虫的群聚行为。相关研究成果日 前在线发表于 ...

Core Insights - The launch of Chongqing's Spatial Intelligence Base 2.0 aims to empower urban governance and industrial development in mega cities [1][2] - Spatial intelligence is recognized as a significant force driving industrial transformation and social development, covering a wide range of fields from natural sciences to social economics [1] - The transition from Spatial Intelligence Base 1.0, which focused on capturing images of the city, to 2.0, which utilizes high-precision laser radar for creating a three-dimensional digital base, marks a technological advancement [1] Group 1 - Chongqing Spatial Intelligence Base 2.0 has achieved high-precision three-dimensional scanning, covering over 6,000 kilometers of roads and 110,000 buildings in the "9+2" central urban areas [2] - The new base will enhance various industries by enabling artificial intelligence applications to better understand the physical and spatial realities of the world [2] - The integration of massive data across industries will provide foundational scientific resources for artificial intelligence, aiding Chongqing in becoming a hub for AI development [2] Group 2 - Spatial intelligence technology is currently applied in urban governance, intelligent transportation, and smart manufacturing, promoting deep integration with various industries [2]

Core Viewpoint - The development of the EPICC-Model represents a significant advancement in air quality modeling, addressing the challenges of accurately predicting atmospheric pollution and enhancing environmental governance capabilities [3][13][15]. Group 1: Air Quality Modeling Challenges - Accurately predicting atmospheric pollution remains a major challenge in the fields of ecological environment and meteorology [1] - Traditional methods of air quality prediction often result in significant discrepancies between predicted and actual pollution levels [4][6] - The current state of air quality modeling in China faces issues such as resource dispersion, low integration of innovative mechanisms, and insufficient accuracy in regional compound pollution forecasts [6] Group 2: EPICC-Model Development - The EPICC-Model was developed by a collaborative team leveraging the capabilities of the "Huan" major scientific infrastructure, which simulates interactions across various Earth system layers [7][12] - The model incorporates a modular architecture that allows for flexible and efficient operation, significantly improving the accuracy of air quality simulations from tens of kilometers to 3 kilometers [9][10] - Innovations in the model include the coupling of physical and chemical mechanisms, enhancing the understanding of complex atmospheric processes [11] Group 3: Environmental Impact and Applications - The EPICC-Model has improved the accuracy of PM2.5 simulations by over 40%, with ozone simulation errors controlled within 20% for key regions [13] - The model supports multi-pollutant simulations, enhancing regional pollution forecasting capabilities and has been instrumental during significant events like the 20th National Congress and the Beijing Winter Olympics [13][14] - The open-source nature of the EPICC-Model allows for global collaboration, providing critical technical support for air pollution governance and policy-making [14][15]

Core Insights - A key gene mutation in the human immune protein Fas ligand (FasL) may increase cancer susceptibility in humans compared to close relatives like chimpanzees, providing important clues for developing new cancer therapies [1][2] Group 1: Research Findings - The study published in Nature Communications highlights that elevated levels of plasmin, a protease, in the tumor microenvironment act like "molecular scissors" that cut mutated FasL, leading to a loss of its anti-cancer function [1] - This unique vulnerability in humans explains why immunotherapies like CAR-T are effective against blood cancers but struggle with solid tumors such as triple-negative breast cancer, as blood cancer cells do not rely on plasmin for dissemination [1] Group 2: Implications for Treatment - The mutation in FasL may have contributed to increased brain capacity in humans but also poses a risk for higher cancer susceptibility, suggesting a potential "key" to unlocking immunotherapy [2] - Blocking plasmin or protecting FasL could reactivate the immune system's anti-cancer capabilities, offering new strategies for treating challenging cancers like triple-negative breast cancer through the combined use of plasmin inhibitors and existing therapies [2]

Core Insights - The research team has synthesized the first stable ferrocene derivative with 20 electrons, breaking the long-standing "18-electron rule" in organometallic chemistry, which could lead to new possibilities in chemical research and the development of novel catalysts [1][2] Group 1: Breakthrough in Organometallic Chemistry - The "18-electron rule" has been a fundamental principle in the stability of transition metal complexes, indicating that a system is most stable when the sum of the metal center's electron count and the ligand's contribution equals 18 [1] - The newly synthesized ferrocene derivative features a unique bonding between iron and nitrogen atoms, allowing for the presence of two "excess" electrons, which endows the molecule with unconventional redox properties [1] Group 2: Potential Applications - The formation of iron-nitrogen bonds in the new compound provides a richer and more diverse pathway for electron transfer, suggesting potential applications in energy storage and chemical synthesis [2] - Existing ferrocene derivatives are already utilized in various fields, including solar cells, pharmaceuticals, and medical devices, and this breakthrough may not only optimize current applications but also lead to entirely new materials and uses [2]

Core Viewpoint - Drones are becoming a crucial engine for the development of the low-altitude economy in China, with projections indicating a market size of 1.5 trillion yuan by 2025 and 3.5 trillion yuan by 2035 [1] Group 1: Industry Growth and Technology - The research and manufacturing of drones for general, police, customs, and some military applications are key components of China's low-altitude economy [1] - Advances in drone technology, including materials, power batteries, and motors, have led to the emergence of high-performance, high-load, long-endurance, low-cost, and low-noise drones as mainstream low-altitude general aviation vehicles [1] - The development of intelligent technologies has made drones smarter, as evidenced by the achievements showcased at the expo, including a new generation of bearingless rotor systems and redundant flight control systems [2] Group 2: Safety and Regulation - The rise of drone technology has also brought safety concerns, particularly regarding "black flying" drones, necessitating robust drone and anti-drone technologies for the healthy development of the low-altitude economy [1] - Anti-drone technology serves as a protective shield for the low-altitude economy, addressing issues such as unauthorized flights and disturbances [2] - Effective management of drones can be achieved through early detection methods and countermeasures, including radar and optical detection, as well as interference and interception techniques [2] Group 3: Policy and Framework - The development of the low-altitude economy requires not only technological support but also effective top-level design, which is being addressed by the Chinese government [3] - Regulatory frameworks such as the "Interim Regulations on the Flight Management of Unmanned Aerial Vehicles" and the "National Airspace Basic Classification Method" are being implemented to establish a solid foundation for the industry [3] - Policies like the "14th Five-Year Plan for General Aviation Development" and the "Implementation Plan for Innovative Applications of General Aviation Equipment (2024-2030)" have been released to support the growth of the low-altitude industry [3]

记者7月4日从福建省科技厅获悉，该厅日前发布通知，正式启动2025年国家重大科技项目和国家级科技 创新平台奖补资金的申报工作，相关项目及平台最高可获千万元奖励。此举旨在激励福建省创新主体加 快融入国家重大战略布局，推动福建科技创新主体积极承担国家级项目、创建科技创新平台，进而提升 区域科技创新实力。 在奖补标准方面，国家重大科技项目将按牵头企业获国拨经费实际到账金额1∶1比例奖补；国家级科技 创新平台中，全国重点实验室、国家技术创新中心等给予一次性1000万元奖励；国家"一带一路"联合实 验室、国家临床医学研究中心等给予一次性500万元奖励；国家野外科学观测研究站等给予一次性300万 元奖励。（ 记者谢开飞 通讯员高凌） 福建省科技厅相关负责人介绍，申报国家级科技创新平台奖补的，要求平台建设的牵头承担单位须在福 建省内注册，具有独立法人资格，原则上须经福建省科技厅推荐，且已获得科技部批复建设（重组入 列）。中央在福建的企事业单位牵头建设的国家级科技创新平台纳入奖补范围。 据介绍，国家重大科技项目奖补面向2023年度申报并获得福建省奖补资金，且在上一轮奖补申报截止日 （2023年12月25日）至本轮奖补申报截止 ...

Group 1 - The 27th China Association for Science and Technology Annual Conference featured a forum on "6G Technology Innovation and Future Industry Development" held in Beijing, focusing on the future direction, opportunities, challenges, and research achievements of 6G technology [1] - Keynote speeches included topics such as "Exploring 6G Innovation with AI as the Engine" by Professor Wu Hequan and "Continuous Innovation in 5G/6G Requires International Cooperation" by Zhao Houlin, emphasizing the importance of collaboration in advancing 6G technology [1] - Discussions on critical technologies and cutting-edge science related to 6G and AI were led by experts from various institutions, highlighting the integration of AI in enhancing 6G network security and architecture [1] Group 2 - A roundtable discussion on "Diverse Scenarios Driven 6G Networks" was hosted by Lu Lu, featuring experts from multiple universities and research institutes, indicating a collaborative effort to address the diverse applications of 6G networks [2] - A special session focused on "Youth Talent Supporting 6G Innovation Ecosystem" was moderated by Liu Guanghua, showcasing the involvement of young experts in building a sustainable innovation ecosystem for 6G [2]

Core Viewpoint - The emphasis on cultivating an innovation culture is crucial for enhancing the capabilities of the International Science and Technology Innovation Center, which has shown significant progress over the past year [1][2]. Group 1: Functions of the Innovation Centers - The innovation centers possess four main functions: scientific research, technological innovation, industrial driving, and cultural leadership [3]. - The institutional environment has been continuously optimized, with reforms in Beijing and Shanghai breaking down deep-seated systemic barriers, reflecting the spirit of innovation from traditional Chinese culture [3]. - The vitality of various entities has been stimulated, with new collaborative mechanisms being established, such as the "enterprise proposes, government supports" model in Beijing, which has led to the formation of 27 innovation consortia [4]. Group 2: Cultural and Ethical Foundations - The deep-seated motivation for building innovation centers stems from the spirit of scientists and the pursuit of excellence, with a focus on promoting values such as patriotism, innovation, and collaboration [4]. - The establishment of the National Science and Technology Ethics Committee has accelerated the construction of a governance system for scientific ethics within the innovation centers [4]. Group 3: Future Directions - To foster a more vibrant and resilient innovation culture, there is a need to deepen institutional openness and create a global innovation cultural hub [6]. - Mechanisms to support risk-sharing and the establishment of government-led special funds for high-risk exploratory fields are essential for nurturing a culture that tolerates failure [7]. - Emphasis on youth talent development is critical, with initiatives aimed at enhancing basic education and promoting interdisciplinary learning to cultivate innovative capabilities among young people [9].

Core Insights - The article highlights the advancements in the new electronic display industry in Shaanxi, particularly through the achievements of Rainbow Display Co., Ltd. in producing high-quality substrate glass, which is essential for LCD panels [1][2]. Industry Development - The production of substrate glass has historically been a challenge for China's electronic display industry, but Rainbow Display has successfully overcome this by utilizing the internationally advanced "overflow pulling method" [2]. - The company has established a complete product line of substrate glass, ranging from low-generation to high-generation products, with a notable achievement being the launch of the 0.5t G8.5+ substrate glass [2][3]. - Shaanxi Province has initiated a plan to cultivate a new trillion-level display industry innovation cluster, with the "high-generation substrate glass enhancement project" being one of the key tasks [2]. Company Achievements - Rainbow Display has developed a fully autonomous industrial chain for substrate glass, including product, equipment, process, and engineering capabilities, achieving self-sufficiency in critical materials and equipment [3]. - The company aims to accelerate the growth of its high-generation substrate glass industry over the next five years, enhancing production capacity and market competitiveness [3]. Collaborative Ecosystem - The establishment of a unique 88-meter aerial corridor connects Rainbow Display's LCD panel production facility with the assembly line of its partner, AOC Technology, showcasing the synergy in the supply chain [3][4]. - AOC Technology has maintained its position as the global leader in display sales for 22 consecutive years, with a market share exceeding 35% [3]. - The Shaanxi high-tech zone has attracted around 50 upstream and downstream supporting enterprises, creating a complete industrial ecosystem of "substrate + panel + complete machine" [4][5].