Core Viewpoint - The article emphasizes the increased safety risks during the winter season due to fluctuating temperatures and the frequent occurrence of cold waves, highlighting the importance of safety measures for heating appliances and carbon monoxide poisoning prevention [1][2]. Group 1: Winter Safety Measures - The Ministry of Emergency Management has conducted a safety knowledge conference to address winter heating safety precautions [1]. - Key safety points for using heating appliances include keeping them away from flammable materials, controlling usage time, and avoiding operational hazards [1]. - Specific recommendations include not placing electric heaters near sofas or beds, limiting the continuous use of electric blankets, and ensuring that electric heating pads are not used while charging [1]. Group 2: Carbon Monoxide Poisoning Prevention - Ventilation is crucial to prevent carbon monoxide poisoning, and using heating methods like fire pits in closed spaces should be avoided [2]. - Installing carbon monoxide detectors in homes can provide early warnings of elevated carbon monoxide levels [2]. - In case of carbon monoxide poisoning, immediate actions include ventilating the area, removing the victim to fresh air, and monitoring vital signs while waiting for professional medical assistance [2].

Core Findings - An international study led by Northwestern University utilized the Hubble Space Telescope to observe a rare "cosmic collision" in a nearby planetary system, revealing that dust clouds may masquerade as planets for years [1][2] - This discovery aids in understanding planetary formation mechanisms and the structural characteristics of asteroids, which is significant for planetary defense initiatives like the Double Asteroid Redirection Test (DART) [1] Research Process - Since 1993, scientists have been observing the star Beta Pictoris, located 25 light-years from Earth, which has a large and complex debris disk, making it an ideal research target [1] - In 2008, a bright point in the debris disk was mistakenly identified as a planet and named "Beta Pictoris b" [1] - In 2023, follow-up observations revealed that this bright point had disappeared, leading to the discovery of a new bright spot, "Beta Pictoris cs2," which showed a 30% increase in brightness [1] Findings on Dust Clouds - The disappearance of "Beta Pictoris b" supports the hypothesis that it was a transient dust cloud generated by a collision, while the new bright spot "Beta Pictoris cs2" further confirms that both are not planets but rather dust clouds formed from the collision of small rocky bodies similar to asteroids [2] - For several years, signals from such dust clouds may closely resemble those from planets, making it crucial to accurately distinguish between transient collision dust clouds and actual exoplanets with the advent of next-generation observational equipment like the Giant Magellan Telescope [2]

"冬天衣服难干，搭在暖气上一晚上就烘透了，还能给屋里加湿，多划算……"这条网友的建议，在 天津大学建筑设计规划研究总院有限公司热力室副主任冯卫星看来是得不偿失。 "这样做会严重降低取暖效率，直接导致能源浪费。"冯卫星解释，暖气片的工作原理是通过金属散 热面与室内空气进行热交换，以对流（热空气上升、冷空气补充）和辐射（直接向周围空间释放热量） 两种方式提升室温。当湿衣物覆盖在暖气片上时，相当于给散热面加了一层隔热屏障：一方面阻挡热量 向室内散发，另一方面衣物中的水分蒸发会消耗大量热能。这部分热能并未用于提升室温，而是以蒸发 潜热的形式被白白损耗。 从卫生角度来看，暖气片更不是安全的衣物烘干载体。湿衣物覆盖在温暖的散热面上，会形成高湿 的微环境。这种环境是大肠杆菌、黑曲霉等细菌和霉菌滋生的"温床"。 同时，暖气片在日常使用中，表面易吸附空气中的灰尘、螨虫排泄物等污染物。当衣物水分蒸发 时，水蒸气会将这些细菌和污染物一同带入室内空气；部分细菌和污染物还会重新附着在衣物表面。对 于过敏体质者、老人、儿童等敏感人群而言，这些物质可能引发皮肤瘙痒、过敏性鼻炎，甚至导致呼吸 道不适等健康问题。 根据《室内空气质量标准》（G ...

Core Insights - The integration of AI into psychology is driven by the increasing demand for mental health services and the potential for AI to enhance efficiency while raising concerns about data security and ethical implications [1][2][6] Group 1: AI Usage in Psychology - Over 56% of psychologists have used AI tools in the past year, a significant increase from 29% in 2024 [2] - The most common uses of AI among psychologists include assisting with administrative tasks such as email writing (52%), content generation (33%), summarizing clinical notes (32%), and note-taking (22%) [3] - Only 8% of psychologists using AI apply it directly for clinical diagnosis, and just 5% use chatbots to assist patients [3] Group 2: Concerns and Risks - 92% of psychologists express concerns about the application of AI in psychology, with worries about data breaches, social harm, bias, lack of rigorous testing, and inaccurate outputs [2][6] - The need for clear guidelines is emphasized to ensure the responsible integration of AI, including obtaining informed consent from patients and assessing potential biases in AI tools [6] Group 3: Demand for Mental Health Services - A study indicates that the percentage of young individuals seeking mental health services has increased from 5.8% for those born in 1991 to 20.2% for those born in 2005, highlighting a nearly fourfold rise in demand [4] - The growing number of young patients suggests that traditional mental health services may be insufficient to meet current needs, necessitating the adoption of AI to improve service efficiency [5]

Core Insights - Scientists from the Allen Institute and the Howard Hughes Medical Institute have developed a special protein called iGluSnFR4, which serves as a molecular "glutamate indicator" for real-time observation of neuronal communication in the brain [1][2] - This breakthrough aids in deciphering the hidden "language" of the brain and enhances understanding of its complex neural circuitry [1] Group 1: Technological Advancements - iGluSnFR4 addresses the challenge of previously only being able to record signals emitted by neurons, allowing scientists to "hear" the input signals that neurons receive [2] - The protein is highly sensitive to glutamate, enabling the detection of the weakest input signals between neurons, thus providing new pathways for analyzing the complex cascade of electrical activities that support learning, memory, and emotions [2] Group 2: Implications for Neurological Research - Abnormal glutamate signaling is associated with various neurological disorders, including Alzheimer's disease, schizophrenia, autism, and epilepsy [2] - The ability to observe synaptic activity more precisely with iGluSnFR4 allows for deeper investigation into the mechanisms underlying these diseases [2]

Core Viewpoint - The European Commission's Foreign Subsidies Regulation (FSR) is perceived as discriminatory against Chinese companies, leading to significant operational challenges and financial losses for these firms in the EU market [1][3][4]. Group 1: FSR Implementation and Impact - The FSR, effective from July 2023, mandates companies involved in EU public tenders or mergers exceeding certain thresholds to declare foreign subsidies received [1]. - Since its implementation, the European Commission has received 2,100 declarations but has only conducted three in-depth investigations, all targeting Chinese technology firms in the renewable energy and transportation sectors [2]. - The FSR has reportedly caused direct and indirect losses to Chinese companies amounting to approximately €2.1 billion [3]. Group 2: Legal and Operational Challenges - The lack of transparency in the FSR's enforcement has raised concerns about "black box" governance, with limited information available even for investigated cases [2]. - Compliance with the FSR imposes significant administrative burdens on companies, requiring extensive data collection on foreign subsidies, which can include loans, capital injections, debt relief, and tax benefits [3]. Group 3: Broader Economic Implications - The FSR is seen as damaging to the EU's business environment, creating administrative pressures not only for Chinese firms but also for other international companies operating in the EU [3]. - The regulation is criticized for potentially undermining EU-China economic cooperation, which is vital for energy transition, supply chain security, and infrastructure development [4].

据了解，高端耐热细晶铜板带集成制造技术的产业化应用不仅带动了行业技术升级，更强化了相关产业 链供应链的自主安全与竞争力。宁波金田铜业、福建紫金铜业等企业应用该技术后，实现了产能与效益 双提升。其中，宁波金田铜业生产的高端铜板带不仅实现了国产化，更批量出口至欧美、韩国等市场。 （文章来源：科技日报） 经多年研发，该公司项目团队在3个核心环节取得系统性突破。一是开发出细晶低硬度铜板带加工技 术，产品性能精准匹配新能源电池需求。二是创新"循环形变热处理"技术，使铜板带在保持高导电率的 同时，具备优异的高温稳定性。三是研制出形性一体化关键装备，攻克表面缺陷控制难题，大幅提升产 品成材率。目前，该项目已构建起完整的自主知识产权体系，获得17项授权发明专利。 记者从中色科技股份有限公司获悉，日前，由该公司牵头，联合中南大学、宁波金田集团共同完成 的"高端耐热细晶铜板带集成制造技术及关键装备开发与应用"项目，获得中国质量协会质量技术奖。该 成果攻克了我国在IGBT（绝缘栅双极晶体管）散热模组用高耐热铜板带、新能源电池连接器用细晶低 硬度铜板带领域长期面临的技术瓶颈，标志着我国高端铜板带加工实现从"依赖进口"到"自主可控"的 ...

冬季，羽绒服、冲锋衣等衣物消费热度攀升，聚酯纤维作为其核心面料，最近却和塑料瓶画上了等号。 聚酯纤维能稳居"合成纤维第一大品种"，与其突出的性能优势密不可分。该面料耐皱性好、弹性佳、尺 寸稳定，兼具良好的电绝缘性能，不霉不蛀。通过技术改性，聚酯纤维可实现仿棉、仿毛等多种质感， 还能被赋予阻燃、抗菌、防紫外线等功能，适配从速干衣到羽绒服的多样穿着需求。 "两者在生产工艺、结构设计和性能标准上存在本质区别。"李德利告诉记者，正如小麦既能做面包也能 酿啤酒，聚酯纤维和塑料瓶也是原料一致，但因加工方式不同而成为截然不同的两种产品。PET经纺丝 工艺拉制成丝状，即为聚酯纤维（俗称涤纶）；经吹瓶工艺注塑成型，则成为塑料瓶。从分子特性来 看，制作塑料瓶的PET分子量和黏度更高，能够满足包装的强度需求；而制作聚酯纤维的PET分子量和 黏度相对更低，降低了拉丝难度与生产成本。 "穿塑料瓶"的说法，实则源于再生聚酯纤维的生产流程。太原理工大学纺织系主任、副教授史晟介绍， 目前市场上的聚酯纤维面料主要有两方面来源，一是直接由石油化工原料生产，称为"原生涤纶"，二是 用废旧塑料瓶等（主要是PET材质）生产，称为"再生涤纶""环保涤纶 ...

为推动加速各种场景应用，交通运输部启动"十百千"创新行动。李扬介绍，该行动聚焦智慧公路、智慧 航运等"十"个方向，面向"百"项场景进行试点布局，聚集"千"家创新主体。同时，采用"科技+工程"方 式，聚焦大通道货车智能驾驶和内河货运船舶自主编队航行等重大场景，建设一批标志性创新工程。 "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。"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"。 同时，李扬表示，交通运输部将进一步完善治理体系，推动交通运输领域人工智能标准化建设，有序推 进高质量数据集、智能体应用、安全测评等关键领域的标准布局，积极参与国际标准制定和规则对接， 构建开放包容的制度体系。 "'十五五'期间 ...

Core Viewpoint - The recent failures in rocket recovery by Chinese aerospace highlight the inherent high-risk nature of space exploration, emphasizing the need for continued experimentation and acceptance of trial and error in advancing technology [2][3]. Group 1: Recent Events - On December 23, China launched the Long March 12A rocket, but the first stage was not successfully recovered, with the cause under investigation [1]. - Just 20 days prior, Blue Arrow Aerospace's Zhuque-3 rocket also failed during the recovery phase [1]. Group 2: Industry Context - The recent setbacks have temporarily sidelined China's reusable rocket sector, which has seen rapid development in recent years, often overshadowing the high-risk attributes of space missions [2]. - The complexity of rocket recovery is likened to "throwing a needle from tens of thousands of meters and ensuring it lands in a predetermined hole," illustrating the significant challenges faced [2]. Group 3: Future Implications - The failures expose current technical shortcomings and underscore the difficulties ahead for China's space endeavors, with flight data from these tests being crucial for overcoming challenges and mastering key technologies [3]. - Acknowledging the risks and embracing trial and error is essential for progress in aerospace exploration, as each attempt contributes to the broader understanding and capability in the field [3].