Core Insights - The global neurodegenerative disease proteomics alliance (GNPC) has revealed biomarkers related to aging and neurodegenerative diseases, providing new insights into the biology of major neurodegenerative diseases like Alzheimer's and Parkinson's [1][2] - The research published in the journals Nature Medicine and Nature Aging highlights unique protein biomarkers that could lead to early detection and improved outcomes for neurodegenerative diseases [1][3] Group 1: Research Findings - The GNPC's flagship paper analyzed one of the world's largest proteomic datasets, comprising approximately 250 million unique protein measurements from 35,000 biological fluid samples, including plasma and cerebrospinal fluid [2] - The study identified specific proteins associated with Alzheimer's disease, Parkinson's disease, frontotemporal dementia, and amyotrophic lateral sclerosis [2][3] - The research established disease-specific plasma biomarker profiles and identified common protein features among Alzheimer's, Parkinson's, and frontotemporal dementia [3] Group 2: Implications for Diagnosis and Treatment - The authors identified a cerebrospinal fluid and plasma protein feature associated with the APOEε4 allele, known to increase Alzheimer's disease risk, suggesting broader implications for other neurodegenerative diseases [3] - The study also revealed age-related changes in cognition-related proteins, providing new insights into how protein level changes in cerebrospinal fluid and plasma relate to cognitive health [3] - The importance of international collaboration, data sharing, and diverse datasets is emphasized for accelerating discoveries in neurodegenerative research, with future studies aimed at developing new diagnostic, preventive, and therapeutic approaches [3]

Group 1 - Google has entered into an agreement with Brookfield Renewable Partners to purchase over $3 billion worth of carbon-free hydropower to support its data centers and advance global clean energy transition [1][3] - The initial contracts include a 20-year power purchase agreement totaling $3 billion, with Google set to procure 670 megawatts of electricity from two hydropower plants in Pennsylvania [3] - This agreement is part of a broader framework that allows Google to purchase up to 3,000 megawatts of electricity, highlighting the increasing demand for power from large tech companies as they expand their data centers [3] Group 2 - The growing power demand from data centers, driven by the rapid development of artificial intelligence technologies, is revitalizing interest in renewable energy sources [3] - Despite the potential increase in carbon emissions from expanding data centers, tech companies can continue to pursue net-zero goals by sourcing renewable energy [3] - Brookfield Renewable Partners plans to meet the new power supply requirements through upgrades and renovations of its Holtwood and Safe Harbor hydropower facilities in Pennsylvania [3]

Core Insights - The forum focused on the "Beautiful China" initiative, discussing goals, indicator systems, governance paths, and technological support [1][3] Group 1: Forum Overview - The 27th China Association for Science and Technology Annual Conference hosted a forum on "Beautiful China Construction" with over 60 experts in attendance [1] - The forum featured 18 reports from renowned experts and young scholars [1] Group 2: Key Presentations - Yang Linsheng from the Chinese Academy of Sciences presented the "Beautiful China Construction Intelligent Simulation System" based on research outcomes [3] - Lei Yalin from China University of Geosciences proposed three digital governance models for "Beautiful China," emphasizing regional collaboration and data sharing [3] - Zhou Hongchun from the State Council Development Research Center reflected on the philosophical and cultural dimensions of "Beautiful China," advocating for a balanced approach to development and ecology [3] Group 3: Collaborative Paths and Mechanisms - Fang Chuanglin summarized the achievements of the "14th Five-Year Plan" for "Beautiful China" and proposed six collaborative paths for the "15th Five-Year Plan" [3] - Li Hongwei from the Central Party School emphasized the need for a sound ecological product value realization mechanism to support "Beautiful China" [3] - Yang Xiaoming from the Ministry of Ecology and Environment discussed the need for modern governance capabilities to address systemic challenges [3] Group 4: Regional Development and Case Studies - Sun Fubao proposed a dual-driven path of "ecological security + new energy" for Inner Mongolia [3] - Ge Yong from Jiangxi Normal University summarized 20 years of experience in "poverty reduction-ecology-carbon reduction" collaborative development [3] - Wu Kang analyzed the challenges of green transformation in shrinking resource cities using Shanxi Province as a case study [4] Group 5: Future Directions and Challenges - Zhang Jingyong presented new insights on climate change and extreme heat predictions for 2025, highlighting disaster risk areas [5] - The forum discussed key issues such as regional development imbalance and the lack of ecological compensation mechanisms [5]

来源：科技日报 科技日报记者 于紫月 15日，记者从中国航空工业集团获悉，四川省近日组织高原山区防灾救灾演习活 动，由中国航空工业集团成飞自主研制的尾座式无人机和"文鳐"管控系统应邀亮相，成功演示了自主完 成投送目标分配、自动航线规划、自动威胁规避等无人机体系化应用功能，为我国应急救灾装备体系又 添新助力。 除此之外，该型无人机还有一个强大的管控系统——"文鳐"管控系统。它是基于成飞多功能无人机协同 管控系统开发转化而来。此次演习中，尾座式无人机之所以能在大规模应急投送场景下完成自主分配投 送目标、自主规划航线等操作，全靠"文鳐"这一"智慧大脑"。据悉，目前市面上大多数管控系统只实现 了对飞行器的监视，缺乏对它们的控制，而"文鳐"管控系统包含一套中心化的自动调度规划算法，实现 了旋翼无人机飞行审批、航线规划、威胁规避的完全自动化控制，为无人飞行器高密度飞行提供了可 能。 未来，成飞计划打造集通用硬件、操作系统、软件工厂以及业务/算法APP四大板块的"文鳐"开发者社 区，供开发者基于统一的开发规范进行业务服务开发。 （中国航空工业集团成飞供图） 尾座式无人机是一型尾座涵道式垂直起降无人机，外形科幻味十足，形似张 ...

来源：中国新闻网 同一天，中国外交部回应称，中方反对将科技和经贸问题政治化、工具化、武器化，对中国进行恶意封 锁打压的立场是一贯的、明确的。这种做法扰乱全球产供链的稳定，也不符合任何一方的利益。 再度点赞DeepSeek 黄仁勋表示，DeepSeek是一种新型的AI大模型，因为它能够多次深入思考，并以很快的速度完成。 "可以说DeepSeek是AI模型的一次全新革命，它不仅限于记忆信息，更能够逐步拆解问题和快速思考。 它也是世界上第一个开源的AI推理模型。"黄仁勋说。 7月15日，美国英伟达公司创始人兼首席执行官黄仁勋在北京接受媒体采访时用"活力"一词，形容中国 人工智能（AI）产业。 这是黄仁勋今年以来第三次访问中国。应中国贸促会邀请，黄仁勋将于16日出席第三届中国国际供应链 促进博览会开幕式，并参加相关活动。 乐见美国取消出口限制 黄仁勋表示，很高兴看到美国取消对H20芯片的出口限制，英伟达将可以为市场提供产品。此外，他还 表示，中国的芯片技术发展迅猛。 今年4月，美国政府决定禁止英伟达向中国市场销售其H20芯片。7月15日，黄仁勋接受媒体采访时表 示，美国政府已批准出口许可，英伟达将开始向中国市场销售H ...

Core Viewpoint - Recent product adjustments by Sam's Club have led to consumer dissatisfaction, particularly regarding the removal of popular items in favor of more common products, raising questions about the selection criteria [1][10][17]. Group 1: Consumer Reactions - Many consumers expressed disappointment over the removal of favored products like rice pudding and low-sugar egg yolk pastry, stating that they are now offered items easily found in local supermarkets [3][8]. - Some customers have even reached out to Sam's headquarters, requesting the return of their preferred specialty foods [6]. - The sentiment among members is that they are being sold products that do not justify the membership fee, leading to feelings of being taken advantage of [10][22]. Group 2: Product Changes and Quality Concerns - Sam's Club has recently introduced new products in collaboration with popular brands, but the lack of brand recognition on some items has caused confusion and dissatisfaction among members [17]. - The newly launched low-sugar Good Friend pie, priced at 49.9 yuan for 48 pieces, received negative reviews for being overly sweet despite its low-sugar label [12][14]. - The recent product adjustments have led to a decline in consumer trust, as members feel that the quality and uniqueness of offerings are diminishing [17][22]. Group 3: Membership and Market Position - Sam's Club operates with an annual membership fee of 260 yuan for regular members and 680 yuan for premium members, positioning itself as a leading membership warehouse globally with over 800 stores [20]. - According to Pacific Securities, Sam's Club has achieved double-digit growth by catering to the differentiated needs of middle-class families, focusing on high-quality and cost-effective products [20]. - Experts emphasize that differentiation and product quality are essential for membership warehouse stores to maintain their value proposition and consumer loyalty [22].

Core Points - The successful launch of the Tianzhou-9 cargo spacecraft using the Long March 7 rocket marks a significant achievement in China's space station supply missions [1][3] - Tianzhou-9 set a new record for cargo weight, carrying approximately 6.5 tons of supplies, including materials for astronauts, space station systems, and various scientific experiments [3][5] - The mission demonstrated enhanced emergency launch capabilities, with Tianzhou-9 being prepared for a three-month emergency launch window [3][4] Launch and Docking - The Long March 7 rocket completed its 10th flight, while the Tianzhou-9 mission achieved a rapid autonomous docking with the Chinese space station in just three hours [3][4] - This three-hour docking mode has become a standard for cargo spacecraft, improving reliability and reducing the requirements for launch conditions and precision [4] Scientific Experiments - The mission included 23 scientific experiments across various fields, such as life sciences, material sciences, and fluid dynamics, with a total of 776.5 kilograms of experimental materials sent to the space station [5][6] - Key experiments focus on the effects of microgravity on human cells and materials, aiming to enhance understanding of physiological and pathological processes [5][6][9] Equipment and Supplies - Tianzhou-9 delivered new equipment, including two sets of upgraded extravehicular suits, which will extend their operational lifespan from 3 years and 15 missions to 4 years and 20 missions [7][8] - The mission also included new exercise equipment designed to prevent muscle atrophy in astronauts during long-duration space missions [7][8] Food and Nutrition - The variety of space food has been expanded, adding nearly 30 new dishes, bringing the total to over 190 types, and extending the flight food cycle from 7 days to 10 days [9]

Core Insights - David Gross, a Nobel laureate, expressed concerns about the global reduction in basic science investment while recognizing China's strategic commitment to increasing its investment in this area [1][4] - The contrast between the global cooling of basic science and China's warming investment highlights a significant strategic choice made by China [1][4] Investment in Basic Science - China's investment in basic science is seen as essential for transitioning from a "big technology country" to a "strong technology country" [2] - The "14th Five-Year Plan" aims to increase the proportion of basic research in R&D funding to 8% [2] - The National Natural Science Foundation is increasing funding to promote original breakthroughs [2] Achievements in Basic Science - China has established several world-class research platforms, such as the 500-meter Aperture Spherical Radio Telescope, supporting frontier scientific research [3] - The youth research workforce is becoming a driving force in innovation, with nearly 150,000 applications for the National Natural Science Foundation's youth projects in 2024 [3] - China is actively participating in major international scientific collaborations, contributing to projects like ITER and SKA [3] Challenges Ahead - China's basic science originality is characterized by strengths in areas like quantum physics, but weaknesses in foundational disciplines such as mathematics and theoretical physics [4] - The current project evaluation system favors applied research, necessitating a greater tolerance for the uncertainties of basic science exploration [4] - Despite leading in the number of publications, China still lacks Nobel-level achievements and theoretical influence in basic science [4] Strategic Importance - Investment in basic science is viewed as a strategic move for future technological positioning on the global stage [3][5] - The commitment to basic science reflects a nation's depth of civilization and historical perspective, as emphasized by Gross [4][5] - Long-term investment in basic science is crucial for breakthrough innovations and understanding the limits of human cognition [5]

Group 1 - The core viewpoint emphasizes that while AI technology drives high-quality economic and social development, it poses significant risks to national security if misused by malicious actors [1] - Deepfake technology, a combination of deep learning and forgery, can create realistic simulations but also presents security risks when exploited for misinformation and panic [2] - Generative AI's ability to process vast amounts of data raises concerns about user privacy and potential leaks of sensitive information, which could be exploited by foreign espionage [4] Group 2 - AI algorithms can propagate biased ideologies if manipulated, potentially serving as tools for hostile foreign forces to disrupt social stability through misinformation [6] - The government has implemented regulations and frameworks to enhance AI governance, urging citizens to understand legal standards and promote healthy AI development [8] - Public awareness and critical thinking regarding AI-generated content are essential to mitigate risks, including safeguarding personal information from AI platforms [8]

Core Viewpoint - The commercial space industry has significant potential for growth, with private companies like Beijing Xinghe Power Aerospace Technology Co., Ltd. leading the way in satellite launch services [1][2]. Group 1: Company Overview - Beijing Xinghe Power Aerospace Technology Co., Ltd. operates a business model that involves launching customer satellites into space using its own rockets, akin to a "delivery service" for space [1]. - The company has completed 19 rocket launch missions, successfully sending 81 satellites into space, making it the private rocket company with the highest number of launches and success rate in China [1]. Group 2: Market Potential - There is an anticipated demand for several thousand low-orbit satellites to be launched into space over the next decade, creating a substantial market for rocket transportation services [1]. - The company is developing multiple series and models of launch vehicles to meet this growing market demand, with capabilities ranging from hundreds of kilograms to several tons [1]. Group 3: Industry Environment - The Chinese government has implemented policies since 2014 to encourage private capital and social forces to engage in aerospace research and production, significantly supporting the development of the commercial space sector [2]. - The increasing emphasis on the development of the private economy and the optimization of the policy environment are creating vast opportunities for private enterprises in the commercial space industry [2].