在地球生命演化的长卷中，植物的扩散策略始终是塑造陆地生态系统的隐形推手。风媒传播，这一 借助气流实现种子远行的策略，不仅关乎物种的生存疆域，更是环境剧变下的适应性机制。 为了揭开早渐新世植物扩散策略的神秘面纱，研究团队对欧亚大陆14个早渐新世化石点的植物类群 进行了统计分析，其中，中国云南吕合和捷克昆德拉蒂察化石点具有较高的种子和果实多样性，能够代 表早渐新世欧亚大陆种子和果实的传播方式。 "结果显示，风力传播是两个化石点最主要的种子和果实传播方式。"参与此项研究的德国森肯伯格 自然研究会德累斯顿自然历史收藏馆的卢茨·库兹曼博士说。 研究人员发现，槭属、梣属和鹅耳枥属种子在下落时会绕果实长轴旋转，这种自旋结构能显著延长 风力传播距离，是种子和果实最主要的空气动力学适应类型；而臭椿属等种子则采用更复杂的旋转模式 ——同时绕长轴和种子端旋转，进一步优化了飞行稳定性。两个化石点中，大部分风力传播的植物类群 为现代落叶阔叶林的常见物种，且风媒传播植物的比例与中国现代同纬度地区高度接近。 距今约3390万年至2780万年的早渐新世，是"冷室气候"的起点。这一时期植物种子和果实的主要扩 散方式是什么？欧亚大陆东部和西部生 ...

面对这场突如其来的灾难，科学家展开了长达十余年的调查。然而，由于受感染海星体内缺乏可见 病原体，且难以找到完全未暴露的健康个体，病因鉴定工作一直进展缓慢。直到最近，加拿大不列颠哥 伦比亚大学等机构的科学家终于取得了突破性进展。他们利用野生和圈养的经检疫的向日葵海星，开展 了7项对照暴露实验。通过这些实验，他们发现一种非病毒病原体与海星消融病有关。随后，他们利用 基因测序技术，分析了来自这些海星的染病和健康组织的微生物群，最终成功鉴定出一种名为"Vibrio pectenicida"的细菌——正是这种细菌导致了海星消融病的发生。 在太平洋深处，一场无声的浩劫正在蔓延。 自2013年以来，一种神秘的疾病让数十亿海星如同被施了"融化咒"一般，逐渐解体，最终只剩下一 片狼藉。这场被称为"海星消融病"的灾难，不仅威胁着海星自身的生存，更对整个海洋生态系统造成了 深远影响。如今，科学家终于揭开了这场灾难背后的真相。 海星，这些五彩斑斓的海洋生物，曾是太平洋沿岸一道亮丽的风景线。然而，人们突然发现，这些 美丽的生物也会遭受巨大折磨——它们的身体逐渐出现白色病变，触手腐烂脱落，最终像被融化一样死 亡。这场灾难迅速席卷了从墨西 ...

2005年，一项关于意识检测的实验引发关注。一名因车祸昏迷5个月的23岁女性，在脑部扫描中被要求 想象打网球。令人惊讶的是，她大脑中与运动相关的区域被激活，表明她理解了这项指令，并试图配 合，尽管表面上毫无意识。该实验开创了通过语言指令激发脑部反应的新型意识检测方法，目前已被应 用于数百名无意识反应的患者身上。 英国《自然》杂志报道，全球数万人处于长期昏迷或植物人状态，判断其意识状态对生命维持决策至关 重要。研究显示，具备"隐性意识"迹象的患者比完全无意识患者更可能痊愈。随着技术进步，科学家开 始探索更深层的隐匿意识。不仅如此，意识检测的范围也在扩大到动物和人工智能（AI）领域。科学 家们希望理解不同生命形态的感知世界，同时积极探讨AI是否可能具备意识及其引发的伦理问题。 剥开意识的"洋葱层" 意识究竟是什么？事实上，意识的本质一直是科学难题，因为人们只能确信自身有意识，而他人的意识 只能依赖外部行为来推测。在脑损伤严重或无法交流的患者身上，这种推测尤其困难。 部分科学家也开始思考，某些类脑组织（如脑部类器官）是否可能具备意识，甚至探讨AI系统是否会 发展出类似于人的主观体验。 第四层更为隐秘，适用于完全隔绝 ...

Core Insights - China Mobile reported steady growth in its mid-year performance for 2025, with significant achievements in digital transformation and operational quality [1][2] Financial Performance - In the first half of 2025, China Mobile achieved operating revenue of 543.8 billion yuan, with communication service revenue reaching 467 billion yuan, a year-on-year increase of 0.7% [1] - Shareholder profit was 84.2 billion yuan, reflecting a 5.0% year-on-year growth [1] - EBITDA margin reached 34.2%, an increase of 0.9 percentage points, maintaining a leading position among global operators [1] Revenue Structure - Digital transformation revenue was notable at 156.9 billion yuan, up 6.6% year-on-year, accounting for 33.6% of communication service revenue [1] - Revenue from household, government-enterprise, and emerging market businesses (HBN) increased to 47.6%, a rise of 2.6% year-on-year [1] - Government-enterprise market revenue was 118.2 billion yuan, growing by 5.6% year-on-year, with mobile cloud revenue reaching 56.1 billion yuan, an 11.3% increase [1] - 5G private network revenue surged to 6.1 billion yuan, a 57.8% year-on-year growth [1] Emerging Markets - Revenue from emerging markets, including international business, digital content, fintech, and equity investment, totaled 29.1 billion yuan, a 9.3% increase [1] - International business revenue grew by 18.4%, while digital content revenue reached 14.9 billion yuan [1] Technological Advancements - China Mobile has accelerated investment in new infrastructure, opening over 2.59 million 5G base stations and establishing the first small-scale 6G experimental network [2] - The company’s intelligent computing capacity reached 61.3 EFLOPS, with 33.3 EFLOPS self-built [2] - The establishment of China Mobile Jiutian AI Technology Company and the upgrade of the "Jiutian" model matrix to version 3.0, with over 50 industry-specific models [2] - The company leads in the number of international standards for 5G-A and 6G, with a total of over 18,000 effective patents [2]

Core Insights - The Chinese marine economy is poised for significant growth, with the marine production value expected to exceed 10 trillion yuan in 2024, marking a new phase of development [1][5] - The Central Financial Committee's recent meeting emphasized the importance of high-quality development in the marine economy, focusing on innovation, optimization of coastal port clusters, and global marine governance [1][7] - Technological innovation is identified as a key driver for transforming traditional marine industries and fostering new emerging sectors [2][5] Group 1: Marine Economy Development - China's marine economy is entering a transformative era, shifting from quantity to quality, driven by technological advancements and strategic policy support [5][6] - The marine industry is expanding into deeper waters, utilizing new technologies such as deep-sea farming platforms and intelligent unmanned systems [2][3] - The southern marine economic zone, led by Guangdong, is focusing on future industries like marine biotechnology and deep-sea resource extraction [3][4] Group 2: Technological Innovation - The development of marine energy technologies, such as the LHD tidal energy project in Zhoushan, has significantly reduced costs and positioned China at the forefront of marine energy generation [1][2] - The shipbuilding industry has seen a surge in high-end orders, with a 57.1% increase in orders for high-end vessels, indicating a shift towards advanced manufacturing [3][6] - The application of AI in marine fields is rapidly expanding, enhancing capabilities in areas like ocean forecasting and deep-sea aquaculture [2][6] Group 3: Policy and Investment - Guangdong has invested nearly 2 billion yuan over seven years to support marine industry innovation, resulting in an average annual growth rate of 16.8% in emerging marine industries [5][6] - The central government is advocating for increased investment in marine technology and innovation, aiming to strengthen strategic technological capabilities [7][8] - Local governments are implementing targeted initiatives to boost marine economic development, with a focus on enhancing research and development funding [8]

该壁材以硅藻土矿物为主要原料，采用纯无机材料配方，不含有机成分，从源头杜绝甲醛等挥发性有害 物质的释放。同时，该壁材的多孔结构会形成吸附网络，可以"捕捉"空气中的甲醛等有害气体，为室内 环境构筑健康屏障。 除了净化空气，硅藻无机干粉壁材的多孔结构还具有湿度调节功能。具体来说，当环境湿度偏高时，该 壁材会大量吸收空气中的水分。而在干燥环境下，壁材能将储存的水分缓慢释放，以此维持室内湿度稳 定。相关实验数据表明，使用该壁材可将室内湿度控制在40%至60%。 空气湿度不仅关乎人体的舒适度，也影响室内细菌生长。在潮湿的南方雨季，普通墙面由于含水量大 增，可能会成为"霉菌画布"。中国建筑材料科学研究总院有限公司研发的新型抗菌涂料通过添加银离子 等成分，让墙面具备24小时"自我消杀"能力。这类涂料还可以吸附空气中的细菌与病毒，再通过光催化 作用将其分解。 中国建筑材料科学研究总院有限公司环境材料科学与环境保护研究所教授冀志江介绍，通过添加高效功 能成分，新型抗菌涂料可实现超99%的抗菌率（大肠杆菌、金黄色葡萄球菌）、超99%的抗病毒率（甲 型流感病毒H3N2）以及超90%的甲醛净化率。这种涂料不仅突破了传统消毒剂的功能局 ...

Core Insights - The research team led by Professor Li Yu from Lanzhou University successfully reconstructed the dry-wet variation process in the upper Yellow River region during the Holocene, revealing the main mechanisms controlling these changes over a long time scale [1][3][4] Group 1: Research Findings - The study published in the journal "Science Bulletin" highlights significant regional differences in water resource evolution in China's northwest arid areas, with the western region gradually becoming "warmer and wetter" since the 1960s, while the eastern upper Yellow River area has continued to experience "aridification" [3][4] - The research team established a lake evolution research network in the Qilian Mountains and accurately characterized the Holocene dry-wet evolution, noting that lake water levels rose from the late Ice Age to the early Holocene, peaked during the mid-Holocene, and have been declining since the late Holocene [3][4] Group 2: Climate Mechanisms - The primary controlling factor for the Holocene dry-wet changes in the region is identified as the interaction between tropical ocean and atmosphere (ENSO), with observations indicating a recent trend of warming and wetting in the northwest, but a potential increase in ENSO amplitude could alter hydrological patterns and increase the risk of extreme drought events [3][4] - The study also simulated the water cycle of lakes in the East Asia-Central Asia arid region since the last glacial maximum, revealing differing water resource evolution patterns on the eastern and western sides, attributed to variations in moisture transport from monsoons and westerly winds, as well as differences in lake evaporation effects [4]

Group 1 - The research team from the University of California, Davis, has discovered two genes related to human brain characteristics and established a systematic research framework to explore more related genes [1][2] - The study utilized the complete human genome map created by the "Telomere to Telomere" (T2T) consortium, identifying approximately 250 candidate gene families that are actively expressed in the brain, verified across all human individuals, and highly conserved [2] - The specific functions of the two identified genes, GPR89B and FRMPD2B, were confirmed through zebrafish model experiments, with GPR89B regulating brain size and FRMPD2B involved in synaptic signaling [2] Group 2 - The findings fill a gap in the research of genomic repeat sequences and provide critical targets for the precise screening of gene mutations associated with language deficits and autism [2] - The constructed dataset from this research is expected to become an important resource for the scientific community, aiding in the understanding of brain evolution and neurodevelopmental diseases [2] - The role of these genes in the formation of unique human brain characteristics offers key insights for future treatments of related diseases through the in-depth analysis of this "genomic dark matter" [2]

"当前，高山树线研究网络已初具规模，但高山灌木线研究仍处于起步阶段，亟须建立环北极、北 美落基山、南美安第斯山、欧洲阿尔卑斯山等典型高山区的灌木线研究网络，加强不同尺度的观测，特 别是定量化监测乔木和灌木在全生命周期中的相互作用。"梁尔源说，这项研究为理解全球气候变化下 高山生态系统的响应提供了关键支撑，也为未来的研究和生态保护奠定了基础。 高山上"绿色边界"搞清楚了。记者7日从中国科学院青藏高原研究所获悉，通过整合分析山体效 应、温度、水分、物候期等多重因素，来自该所的科研人员系统阐明了全球高山树线与灌木线的分布格 局，揭示了19世纪以来全球不同尺度上树线、灌木线的移动速率、生长更新动态，评估了树线、灌木线 的未来趋势，以及生态过渡带上移对高山生态系统的影响。相关研究成果发表于《自然综述-地球与环 境科学》杂志。 所谓高山树线，是指超过2—3米的乔木能连续生长的最高海拔线；灌木线则位于树线之上，是不到 1米的低矮灌木丛能连续生长的最高海拔线。这两条线之间的区域对环境变化特别敏感，就像警报器。 科学家研究树线已有几百年历史，但关注灌木线才几十年。"虽然人们知道温度是决定树线位置的最主 要因素，但近几十年的研究 ...

Group 1 - The integration of artificial intelligence (AI) technology, particularly large models, is accelerating global digitalization while also increasing network threats, necessitating the fusion of AI and digital security for effective digital economy development [1] - Large models exhibit strong general capabilities but face challenges in specialized applications due to insufficient professional knowledge and limited adaptability, requiring collaboration between AI providers and industry leaders to create high-quality professional datasets [1][2] - There is a call for innovative models like "industry large model as a service" to lower application barriers, enabling small and medium enterprises to access customized AI capabilities affordably [1] Group 2 - A fundamental transformation of digital security systems is needed, shifting from passive to proactive immune models driven by AI, utilizing large models for threat hunting, anomaly detection, and automated responses [2] - The theme of the conference emphasizes the strategic value of integrating AI with cybersecurity, highlighting the necessity for collaborative efforts across sectors to address global challenges [2] - The evolution from large models to intelligent agents is essential for enhancing productivity, as intelligent agents can understand goals, plan tasks, and utilize tools effectively [3] Group 3 - The emergence of "intelligent agent hackers" poses a new challenge in cybersecurity, where a single hacker can control multiple agents to launch automated attacks, increasing the risk of cyber warfare [3] - 360 Group is developing security intelligent agents based on large security models to enhance cybersecurity capabilities, aiming to replicate the skills of human security experts [3][4] - The company emphasizes the dual focus on "security + AI" to protect the digital era while defining the future through AI advancements [4]