Core Viewpoint - The rapid increase in drone registrations has led to a rise in safety incidents, highlighting the need for stricter regulations and adherence to operational guidelines to prevent accidents and injuries caused by drones [4][6][8] Industry Overview - As of the end of 2024, there were 1.619 million registered drone owners in the industry, with 1.521 million being individual users. The total number of registered drones reached 2.177 million, marking a 98.5% increase from the previous year [4] - The current regulations categorize drones into five types based on their operational risks, and specific permissions are required for flying in controlled airspace [4][5] Safety Concerns - The primary safety hazard in the drone sector is attributed to "black flying" behavior, where operators fly drones without proper registration or permissions, often in restricted areas [5][6] - Incidents of injury from drones are becoming more common, with operators often lacking awareness of the regulations governing drone flights [5][6] Legal Implications - Drone operators may face civil liability for injuries caused by their drones, including compensation for medical expenses and other damages as stipulated by the Civil Code of the People's Republic of China [6][7] - Recent amendments to the Public Security Administration Punishment Law have classified "black flying" as a public safety violation, providing clearer enforcement mechanisms [7][8] Recommendations for Victims - Victims of drone-related injuries are advised to preserve evidence, including the drone's serial number and registration details, and to seek legal recourse through law enforcement and civil litigation if necessary [7]

来源：光明网 当你吃下一碗米饭时，或许不会想到，这颗颗米粒的背后，藏着"上亿个"形态各异、分工明确的水稻细 胞。近日，中国农业科学院生物技术研究所的科研团队在《自然（Nature）》杂志发表研究成果：他们 绘制出全球首个水稻多器官单细胞多组学图谱，就像为水稻细胞世界绘制了一套"高清导航图"，首次能 在单个细胞层面"看清"水稻多器官的生长密码。 给11万个水稻细胞"拍身份证"：从模糊群像到清晰特写 水稻是我国主要的粮食作物，一根稻穗、一片叶子甚至一条根尖，都是由无数细胞"搭积木"般构建而 成。但长期以来，科学家们观察水稻细胞就像看"集体合影"——只能看到细胞群体的大致模样，却分不 清每个细胞的独特身份和功能。 为了给水稻细胞"拍身份证"，科研人员选取了水稻的根、茎、叶、穗等8个关键器官，对其中11.6万个 细胞进行了"深度体检"：通过先进的单细胞测序技术，同步分析每个细胞里的RNA表达（相当于细胞 的"工作记录"）和染色质可及性（相当于基因表达的"开关状态"）。 经过细致分析和原位杂交实验验证，他们精准识别出54种水稻细胞类型。比如根里负责吸收水分的表皮 细胞、叶片中制造养分的叶肉细胞、穗部孕育种子的生殖细胞等 ...

来源：科技日报 更严重的问题是检测的滞后性。"重症患者的血钠可能每分钟都在变化。"田震表示，开发一种无创、可 以动态观测血钠变化的检测方式极为重要。 新技术有望实现无创连续检测 基于这些临床痛点，团队创新性地采用了基于"水静音"的太赫兹光声技术，研发了新型太赫兹光声系 统。田震介绍，该系统为无创实时血钠监测提供了全新解决方案。 受访单位供图 ◎本报记者 陈 曦 通讯员 赵 晖 近日，天津大学科研团队开发了一种新型太赫兹光声系统，该系统首次实现无须抽血或标记即可实时监 测活体小鼠血钠水平，人体实验也证实了其临床应用潜力。相关成果日前发表在国际期刊《光学》上。 动态观测血钠浓度变化尤为重要 "钠离子是人体最重要的电解质之一，它参与调节水电解质平衡、能量代谢和细胞功能，对于机体免疫 与炎症调节具有多方面重要作用。"在天津大学实验室，论文通讯作者、天津大学精密仪器与光电子工 程学院光电子科学技术系教授田震向记者展示了血钠检测的重要性。他拿起一支采血管说，数据显示， 全球每年有300万—600万患者出现血钠紊乱，其中低钠血症患病率达15%—20%，高钠血症患病率为 9%，严重血钠失衡患者的死亡率高达40%—60%。 田 ...

Core Insights - The recent research achievements from the Chang'e 6 mission have provided groundbreaking insights into the evolution of the Moon's far side, revealing significant geological and magnetic characteristics [1][2][4]. Group 1: Research Findings - Four key research results were published in the journal "Nature," focusing on lunar magma activity, ancient magnetic fields, water content in the lunar mantle, and mantle evolution characteristics [1]. - The analysis of basalt samples from the Moon's far side indicated a "super-depleted" characteristic of deep mantle materials, proposing two possible models for its formation [1][2]. - A study on magnetic minerals in the lunar soil has explained the weak magnetic field of the Moon's far side and the strong magnetism of its soil, contributing to the understanding of the South Pole-Aitken basin's magnetic anomalies [2]. Group 2: Technological Advancements - The rapid analysis and publication of findings from the Chang'e 6 samples demonstrate China's technological superiority in planetary science, with some results published just 16 days after sample distribution [4]. - The mission's innovative sample handling and analysis techniques have set a new standard for lunar research, showcasing China's capabilities in this field [4]. Group 3: International Impact - The findings from the Chang'e 6 mission have garnered significant attention in the international scientific community, with British scientists noting that the samples have "overturned several classic theories" in lunar science [4]. - There is a growing interest among international researchers, including those from MIT, to collaborate on studies related to the Moon's magnetic field anomalies using Chang'e 6 samples [4]. Group 4: Future Missions - The discoveries from Chang'e 6 will guide future missions such as Chang'e 7 and 8, which aim to further explore the Moon's far side and its internal structure [5].

Core Insights - The global biotechnology industry is undergoing a structural transformation, with Chinese pharmaceutical companies increasingly challenging Western dominance in innovation [1] - In 2024, the number of innovative drugs entering the R&D phase in China has surpassed 1,250, exceeding the EU and nearing the US's 1,440 [1] - The rapid development and attractiveness of these new drugs span various treatment areas, including cancer and weight loss, gaining recognition from Western regulatory bodies and multinational pharmaceutical companies [1] Group 1 - The number of new drugs in China's global drug development pipeline was only 160 in 2015, accounting for less than 6% [1] - Reforms in China's drug regulatory system have accelerated review processes, improved data quality, and enhanced regulatory transparency [1] - Government initiatives aimed at boosting manufacturing levels in key areas have stimulated investment in the biotechnology sector, leading to a wave of innovation driven by returning overseas scientists and entrepreneurs [1] Group 2 - China has become the leading location for clinical research globally, initiating the most new trials since 2021 [2] - Among the 50 companies generating the most innovative drug candidates from 2020 to 2024, 20 are based in China [2] - The perception of high-quality innovation in China's biotechnology sector is expected to become a recognized norm as the industry continues to develop [2]

Core Viewpoint - The removal of the clause to suspend state-level AI regulation from the "Big and Beautiful" Act indicates a significant shift in the future path of AI governance in the United States, highlighting the ongoing debate over the balance between federal and state regulations in the rapidly evolving AI landscape [1][3]. Group 1: Legislative Changes - The U.S. Senate overwhelmingly voted 99 to 1 to remove the clause that would have prohibited states from regulating AI for the next decade, reflecting diverse opinions and concerns regarding AI's rapid development [1][2]. - Some states, such as New York and California, have already implemented or are in the process of enacting specific AI regulations, indicating a growing trend towards localized governance in the absence of federal laws [1]. Group 2: Perspectives on Regulation - Proponents of the suspension clause argued that it would help streamline AI governance and reduce compliance costs for startups and developers, emphasizing the need for unified federal regulation [2]. - Opponents contended that the clause would undermine existing state regulations and create a regulatory vacuum, which could hinder innovation and leave communities vulnerable to the impacts of AI technology [3][4]. Group 3: Future Implications - The decision to reject the suspension clause suggests that the federal legislative body is opting to maintain state-level legislative authority over AI regulation, aligning with constitutional principles regarding federal and state powers [3][4]. - The ongoing debate reflects a complex ecosystem of interests, with major tech companies and state legislators engaged in a dynamic discourse that will shape the future of AI governance in the U.S. [4].

Group 1 - The core viewpoint emphasizes that technological innovation is becoming a significant aspect of China's global narrative, showcasing its advancements and contributions to global technology cooperation [1][11] - The article discusses the importance of global South countries pursuing technological innovation as a means to achieve modernization and development, highlighting China's role as a leader in this effort [2][5] - It notes the challenges posed by unilateralism and protectionism, which hinder the free flow of innovative elements and create obstacles for global innovation development [2][4] Group 2 - The article outlines China's commitment to fostering international technological cooperation based on principles of openness, fairness, and mutual benefit, contrasting this with the politicalization of technology competition by certain countries [3][12] - It highlights China's extensive efforts in establishing partnerships and collaborative projects with over 80 countries along the Belt and Road Initiative, including the creation of joint laboratories [2][3] - The narrative emphasizes the need for a collaborative approach to overcome technological hegemony and promote equitable development among global South countries [3][5] Group 3 - The article details China's strategic planning in technology development, including long-term goals and policies that support innovation across various sectors [6][7] - It mentions the significant financial investments in research and development, with a total R&D expenditure of 36,130 billion yuan in 2024, marking an 8.3% increase from the previous year [7] - The focus on talent development is highlighted, with over 1 million STEM graduates returning to contribute to China's technological advancements [8][9] Group 4 - The article discusses the integration of technology with the real economy, emphasizing the importance of translating scientific achievements into practical applications [9] - It points out the dual role of government and market forces in driving innovation, with increasing emphasis on the private sector's contributions to technological advancements [9] - The narrative concludes with a recognition of the ongoing challenges in the global technology landscape, while expressing confidence in China's ability to achieve its goals in becoming a technological powerhouse [9]

Core Viewpoint - The successful launch of the Tianzhou-9 cargo spacecraft marks an upgrade in China's "space logistics," enhancing the capabilities for transporting goods and supplies to the space station [1] Group 1: Launch and Mission Details - Tianzhou-9 was launched on July 15, 2023, carrying approximately 6.5 tons of supplies, setting a new record for cargo weight during the space station's application and development phase [2] - The cargo includes living supplies for astronauts, exercise equipment, medical monitoring supplies, and materials for ongoing scientific experiments [2][3] - Tianzhou-9 is the fourth cargo spacecraft produced in the application and development phase of the Chinese space station, tasked with delivering supplies for the Shenzhou-20 and Shenzhou-21 missions [1][2] Group 2: Technological Advancements - The Tianzhou cargo spacecraft series has adopted a batch production method, with Tianzhou-6 to Tianzhou-11 being improved versions with enhanced cargo capacity and mature technology [3] - The internal design of the spacecraft allows for multiple configuration states, enabling adjustments based on mission requirements and cargo volume [3] Group 3: Safety and Emergency Preparedness - Since the Shenzhou-12 mission, a "launch one, backup one" mechanism has been implemented to ensure a standby spacecraft is always ready for astronaut rescue, enhancing safety [4] - Tianzhou-9 has completed all development work before the launch of Tianzhou-8, achieving a three-month emergency launch capability, further improving the emergency logistics for the space station [4]

Core Insights - The successful launch of the Tianzhou-9 cargo spacecraft marks a significant advancement in China's space station program, with a total payload of 776.5 kilograms aimed at supporting scientific experiments in various fields [1] Group 1: Space Life Sciences and Biotechnology - The mission includes three key experiments focusing on the effects of microgravity on human health, specifically studying the impact on the blood-brain barrier, the migration of skeletal muscle precursor cells, and the biological functions of nucleic acid lipid nanocarriers [2] - These experiments aim to deepen the understanding of physiological and pathological processes in living organisms, providing foundational support for human health [2] Group 2: Microgravity Fluid Physics and Combustion Science - Research in this area will utilize various experimental cabinets to investigate multiphase flow, phase change heat transfer, and fluid dynamics under microgravity conditions [2] - The experiments will focus on understanding the mechanisms of gravity's influence on fluid behavior and developing related theories and models to support innovations in space fluid management and soft matter technologies [2] Group 3: Space Materials Science - The mission will conduct experiments on high-temperature niobium-silicon intermetallic compounds and their application performance, as well as studies on material behavior and properties under space conditions [3] - Research will also include the solidification mechanisms of hydrated salt phase change materials, contributing to advancements in material science [3]

Core Insights - The successful launch of the Tianzhou-9 cargo spacecraft marks a significant advancement in China's space exploration efforts, particularly in the study of human brain function in microgravity environments [1][2] - The mission involves 23 scientific experiments across various fields, including space life sciences, biotechnology, and materials science, with a total payload weight of 776.5 kilograms [1] Group 1: Research Focus - The research will utilize organ-on-a-chip technology to investigate the effects of microgravity on the human blood-brain barrier and muscle precursor cell migration [1][2] - The brain organ chip, developed by the Dalian Institute of Chemical Physics, integrates advanced biotechnologies to create a high-fidelity micro-brain model on a chip the size of a credit card [1][2] Group 2: Technological Advancements - The brain organ chip offers a more physiologically relevant environment compared to traditional cell cultures and animal models, featuring three-dimensional, dynamic, and visual characteristics [2] - This new model system aims to provide insights into the health risks associated with long-term space missions and potential interventions for astronauts [2] Group 3: Distinction Between Technologies - The brain organ chip focuses on simulating key structures and functions of human brain organs for disease modeling and drug development, while brain-machine interfaces emphasize interaction between brain signals and external devices [2]