Core Insights - The research team successfully reduced carbon dioxide byproduct content in iron-based Fischer-Tropsch synthesis from approximately 30% to below 1% by adding halogen compounds at a concentration of one part per million, while increasing the yield of high-value olefins to over 85% [1][2][3]. Group 1: Current Challenges in Fischer-Tropsch Synthesis - Fischer-Tropsch synthesis is a crucial catalytic reaction technology in the chemical industry, primarily used to convert syngas (a mixture of carbon monoxide and hydrogen) into liquid fuels or high-value chemicals [2]. - The iron-based catalyst is favored in over two-thirds of industrial processes due to its low cost and high oil production rate, but it is associated with significant carbon dioxide emissions [2][3]. - Traditional iron-based Fischer-Tropsch synthesis processes often have a carbon dioxide selectivity as high as 30%, meaning that for every 100 carbon atoms converted, 30 become greenhouse gases [2][3]. Group 2: Innovative Halogen Regulation Strategy - The research introduces a trace halogen regulation strategy, where halogen compounds like bromomethane and iodomethane are added to the reaction gas at a concentration of one part per million [3][4]. - This strategy acts as a "molecular switch," effectively blocking the pathway that generates carbon dioxide while enhancing the production of olefins [4]. - The addition of halogen compounds prevents excessive hydrogenation of hydrocarbons, allowing more carbon atoms to be utilized for olefin production [4]. Group 3: Practical Implications and Future Directions - The halogen regulation strategy is practical and convenient, requiring no major modifications to existing catalysts or equipment, only the addition of trace halogen gases at the inlet [4][5]. - The research team is actively collaborating with relevant enterprises for pilot-scale testing and long-term stability assessments, aiming to expedite the industrial application of this strategy [5]. - Key challenges for industrialization include precise dosing and concentration control of halogen compounds, ensuring the stability of iron-based catalysts over long operational periods, and adapting the strategy to different gasification feedstock compositions [5].

Core Viewpoint - The recent attention on Antarctic krill oil highlights its marketing as a rich source of valuable Omega-3 fatty acids, referred to as the "golden liquid" of health products [1] Group 1 - Antarctic krill oil is being promoted by businesses for its health benefits, particularly its high Omega-3 fatty acid content [1] - There is a need for expert clarification on the actual health benefits of Antarctic krill oil [1]

"人工智能应该说是一种革命性的技术发展潮流，对于各行各业都是赋能的最佳契机。"12月23日，在国 务院新闻办公室就新时代交通运输服务经济社会高质量发展举行的新闻发布会上，交通运输部副部长李 扬表示，交通运输行业作为人工智能落地领域，场景多元、数据丰富、应用需求巨大，是一个庞大的人 工智能应用场景。 交通运输部高度重视人工智能应用。今年9月，交通运输部会同国家发展改革委等六部门，印发《关 于"人工智能+交通运输"的实施意见》，对人工智能在公路、铁路、水路、民航、邮政和综合交通方面 进行了总体部署，画出了"路线图"。 除政策体系不断完善，李扬介绍，在夯实数智底座方面，交通运输部加快建设国家综合交通运输信息平 台，谋划和部署综合交通运输大模型，推动打造"数据中枢"和"智慧大脑"；在加快场景培育方面，形成 了860项场景应用的"全景图"，聚焦智慧港口、应急物流、国际物流供应链韧性等重点方向，推动建设 青岛、绵阳、厦门3家国家人工智能应用中试基地，加快打造"人工智能+交通运输"创新高地；在优化产 业生态方面，指导成立了交通大模型创新与产业联盟，首批已吸纳55家头部企业，成功举办首届综合交 通运输大模型智能体创新应用大赛 ...

南极活动与环境保护法草案（以下简称"草案"）12月22日提请十四届全国人大常委会第十九次会议首次 审议。草案规定，国家鼓励和支持开展南极基础研究和科技创新，加强专业人才培养与队伍建设，推动 长期研究工作，增强科技支撑保障能力。 全国人大环境与资源保护委员会主任委员鹿心社介绍，制定南极活动与环境保护法，是我国参与南极全 球治理的有力支撑，也是协调、管理和规范南极活动的现实需要。开展极地考察40多年来，我国的南极 事业从无到有、由弱到强，在南极持续开展了海洋生态、地质学、空间科学、气候变化等多方面的科学 研究。 "制定南极活动与环境保护法，有利于加强我国南极活动统筹协调和监督管理，为进一步增强南极活动 能力，实现和平利用南极夯实法律基础。"鹿心社说。 在保障与监督方面，草案提出国家采取措施加大对南极技术装备研发及基础性、公益性南极考察和科学 研究的支持力度，加强南极考察站、通信网络、观测监测网、导航系统、运输体系、应急救援体系等基 础设施建设，提升南极活动和安全保障能力；国家建立南极考察活动样品和数据汇交制度。（记者吴叶 凡） 草案共七章五十七条，对在南极开展的考察、渔业、旅游、航运等活动进行了相关规定。 在南极 ...

Group 1 - The core viewpoint of the articles highlights the recent failures in China's space launch attempts, specifically the unsuccessful recovery of rocket stages, which underscores the inherent high-risk nature of space exploration [2][3]. - The Long March 12 rocket's launch on December 23 faced a failure in stage recovery, following a similar setback with Blue Arrow Aerospace's Zhuque-3 rocket just 20 days prior, indicating a trend of challenges in reusable rocket technology [1][2]. - The complexity of rocket recovery is emphasized, comparing it to the difficulty of accurately dropping a needle from several kilometers high, which involves precise control of various technical parameters [2]. Group 2 - The recent failures in rocket recovery reveal significant technical shortcomings and highlight the challenges that lie ahead for China's space industry, which is striving to reduce costs associated with space access [3]. - The industry recognizes that the high difficulty and failure rates of rocket recovery are common challenges globally, with only a few rockets, such as SpaceX's Falcon 9 and New Glenn, having successfully completed this task after extensive trial and error [2]. - The articles advocate for a realistic approach to space exploration, emphasizing the importance of accepting risks and learning from failures as essential steps in advancing China's space capabilities [3].

Group 1: Hydrogen Energy Development - Fujian has prioritized the hydrogen energy industry as a key strategic direction for green energy development, establishing innovation laboratories and conducting forward-looking research since 2019 [2][3] - The hydrogen storage and transportation technology is a critical challenge for the hydrogen industry, with Fuzhou University leading efforts to develop ammonia as an efficient hydrogen storage carrier [2] - A hydrogen industry working group has been established in Fujian to address urgent technical issues and promote collaborative breakthroughs across the entire hydrogen value chain [3] Group 2: Technological Innovation Platforms - Fujian supports the establishment of high-level scientific innovation platforms led by private enterprises to enhance the integration of technology and industry [4] - The Ningde Times Innovation Laboratory, co-built with the Ningde municipal government, has accelerated the development of new battery technologies, enabling rapid product launches [4][5] - Ningde Times has invested over 80 billion yuan in R&D, employing over 20,000 personnel and holding more than 43,000 patents, positioning itself as a leader in the global new energy sector [5] Group 3: Biopharmaceutical Industry Focus - Fujian has made significant strides in the biopharmaceutical sector, exemplified by the launch of the domestically developed nine-valent HPV vaccine, which enhances accessibility for women [6][7] - The establishment of the Xiang'an Innovation Laboratory aims to facilitate the transformation of biopharmaceutical innovations into practical applications, improving the success rate of technology transfer [7] - Fujian's government has implemented targeted policies to strengthen the biopharmaceutical innovation ecosystem, focusing on health needs and enhancing the overall industry chain [6][7]

Core Viewpoint - Kuaishou, a well-known short video platform in China, experienced a significant network attack that led to the appearance of illegal content in multiple live streams, prompting the company to take immediate action by reporting the incident and removing the content [1][3]. Group 1: Impact on Users - The network attack caused Kuaishou's security system to collapse within 60 to 90 minutes, indicating a rare and large-scale automated attack [3]. - Experts suggest that the attack may have been orchestrated by foreign hackers, although a definitive classification of the incident is still pending further investigation [3][4]. - Users face risks such as potential theft of personal information, usage records, and consumption data if the platform lacks a robust security system [5]. Group 2: Security Breach Mechanism - Kuaishou's platform, despite having a stringent review system, was breached as hackers bypassed firewalls and both human and AI monitoring [7]. - The attack's effectiveness was attributed to the shift towards "automated attacks," while the platform relied on traditional human defenses, leading to a mismatch in defense capabilities [7][10]. - The timing of the attack during peak user activity further exacerbated the platform's vulnerability [7]. Group 3: Recommendations for Enhanced Security - Experts emphasize the need for platforms to prioritize network security over traffic, advocating for improved content review mechanisms and a comprehensive security framework [7][10]. - The implementation of AI-driven automated security measures is crucial to counteract the evolving tactics of hackers [10]. - Regular risk simulations and internal vulnerability assessments are recommended to identify and strengthen weak points in security defenses [11].

Core Insights - The research team from Dalian Institute of Chemical Physics has made significant progress in the development of a new bromine-based flow battery system, achieving a proof of concept for long-life zinc-bromine flow batteries, with results published in the journal Nature Energy [2][4]. Group 1: Technology Development - The new bromine-based flow battery relies on a two-electron transfer reaction system, which enhances energy density and reduces corrosion issues associated with traditional single-electron transfer methods [3][4]. - By introducing amine compounds as bromine scavengers in the electrolyte, the team successfully converted generated Br into brominated amine compounds, significantly lowering the concentration of Br in the solution [3][4]. Group 2: Performance Metrics - In tests of a scaled-up 5kW system, the zinc-bromine flow battery demonstrated stable operation for over 700 cycles at a current density of 40 mA cm-2, with a total lifespan exceeding 1400 hours and an energy efficiency of over 78% [4]. - The low concentration of Br resulted in no corrosion of key materials such as current collectors, electrodes, and membranes before and after cycling, confirming the non-corrosive nature of the electrolyte [4]. Group 3: Implications for Future Applications - This research provides a new approach for the design of long-life bromine-based flow batteries, laying the groundwork for further applications and commercialization of zinc-bromine flow batteries [4].

Core Viewpoint - A new 3D embryo implantation simulation chip developed by a research team from the Chinese Academy of Sciences offers new hope for precise treatment of infertility, particularly for patients facing recurrent implantation failure (RIF) [1][3]. Group 1: Research Breakthrough - The chip successfully replicates the entire process of human embryo implantation in the laboratory, overcoming ethical and technical barriers that have long plagued the field [1][3]. - The research findings were published in the journal "Cell" on the 23rd [1]. Group 2: Impact on Patients - Over 40 million people in China suffer from infertility, with about 10% of those undergoing assisted reproductive technology experiencing multiple failed embryo implantations [3]. - The chip technology aims to address three major pain points for patients, including the ability to accurately identify the root causes of infertility [3][4]. - It was found that the implantation rate of embryos from RIF patients is only 60% of that of healthy individuals, explaining the phenomenon of "successful transfer but fetal arrest" [3]. Group 3: Personalized Treatment - The research team has tested over a thousand approved drugs using the chip, successfully identifying targeted medications that significantly enhance endometrial receptivity and promote embryo implantation and development [3][4]. - This advancement suggests a shift from broad-spectrum treatment approaches to personalized medication strategies, reducing ineffective treatments [3]. Group 4: Non-Invasive Testing - The detection process using the chip is expected to be more convenient and non-invasive, as it can utilize endometrial cells derived from the patient's menstrual blood, achieving results comparable to traditional biopsy methods [4]. - This innovation is anticipated to improve patient acceptance and accessibility, marking a transition in reproductive medicine from experience-driven to technology-driven approaches [4].

人的心灵是个复杂而精妙的宇宙，充满了千变万化的思绪、难以名状的情绪和深藏心底的动机。心 理学，作为探索这片内在宇宙的学科，其核心在于理解每一个独特个体背后鲜活的生命体验与情感连 接。 这项年度调查共有1742名心理学家参与。其中56%的心理学家，在过去12个月中至少使用过一次AI 工具辅助工作，高于2024年的29%；29%的心理学家表示，他们每月至少使用一次AI，这一比例是2024 年（11%）的两倍多。这些技术可以从多方面为心理学家提供支持，例如提供行政支持、增强临床护理 等。然而，随着心理学家对AI的了解日益加深，他们也越来越关注其潜在风险。超过九成（92%）的心 理学家对AI工具在心理学领域的应用表示担忧，最常见的忧虑包括：潜在的数据泄露、意想不到的社 会危害、输入和输出中的偏差、缺乏严格的风险缓解测试以及输出不准确或出现"幻觉"。美国心理学会 首席执行官小亚瑟·C·埃文斯博士表示，AI可以帮助缓解心理学家面临的一些压力。例如，提高效率和 改善医疗服务的可及性。但人工监督仍然至关重要，患者需要确认，他们依然可以信任医疗服务提供 者。 这种深刻的理解，往往依赖于人类特有的共情、直觉和建立在信任基础上的治 ...