Ke Ji Ri Bao
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按摩面颈部就能“清洁”大脑?
Ke Ji Ri Bao· 2025-06-11 08:18
Core Insights - The article discusses a potential method for "cleaning" the brain through facial and neck massage, which may help in removing metabolic waste linked to neurodegenerative diseases like Alzheimer's and Parkinson's [1][3] Group 1: Brain Waste Management - The brain operates continuously, accumulating metabolic waste that can lead to neurodegenerative diseases if not cleared [1] - The brain has its own waste disposal system involving cerebrospinal fluid (CSF) that flushes out waste through lymphatic pathways [1][2] - Aging leads to a decline in the efficiency of this waste disposal system, resulting in the accumulation of harmful substances [1] Group 2: Research Findings - Recent research identified a superficial lymphatic network near the skin of the face and neck, which could facilitate the movement of CSF [2] - A mechanical stimulation device was developed that, when applied to the skin, significantly increased the outflow of CSF, achieving up to three times the normal rate [2] - The intensity of the massage is crucial, as excessive force may hinder the desired effect [2][3] Group 3: Implications and Future Research - This non-invasive technique does not involve drugs or surgery, suggesting a simple method for potentially enhancing brain health through skin massage [3] - Further research is needed to determine the effectiveness of this method in preventing diseases like Alzheimer's [3] - The findings open up possibilities for daily facial care routines to contribute to brain health [3]
“千年药乡”药材有了“数字身份证”
Ke Ji Ri Bao· 2025-06-11 08:18
Group 1 - The core viewpoint emphasizes the transformation of traditional Chinese medicine (TCM) through technology and the establishment of a comprehensive industrial chain in the medicinal herb sector in Weiyuan, Gansu Province [1][2][4] - Gansu Baishitang Organic Traditional Chinese Medicine Co., Ltd. utilizes a "dragon head enterprise + cooperative + processing workshop + base + farmers" model for full digital management from planting to harvesting [2][3] - The "six unifications traceable" management model has been implemented, ensuring standardized production and traceability of medicinal herbs, enhancing the quality and safety of TCM products [2][4] Group 2 - Weiyuan County plans to establish 68,000 acres of GAP bases by 2024, accounting for 29.4% of the total in Gansu Province, with a target of 133,000 acres by 2025 [2] - The county has invested 340 million yuan in a provincial economic development zone, attracting 76 deep processing enterprises and processing over 8,000 tons of fresh medicinal materials annually [4] - The geographical indication brand value of "Weiyuan White Strip Ginseng" has reached 1.976 billion yuan, with 24 enterprises using this brand to develop a diverse range of products [4]
深化科技合作 共创丝路繁荣
Ke Ji Ri Bao· 2025-06-11 08:18
Group 1 - The second "Belt and Road" Technology Exchange Conference will open in Chengdu, Sichuan Province on June 11, 2023, following the first conference held in November 2022 [2] - China has signed intergovernmental science and technology cooperation agreements with over 80 countries and initiated the construction of more than 70 "Belt and Road" joint laboratories [2] - The "Belt and Road" University Science and Technology Cooperation Alliance has absorbed 15 universities from 11 countries, including South Africa and Malaysia, and has established an innovation fund with an initial investment of 3 million yuan for 2024 [2] Group 2 - The AI-controlled multi-functional greenhouse developed by a company in Ningxia has been widely applied in Qatar and Saudi Arabia, achieving a 15% increase in water-saving compared to existing greenhouses [3] - Collaborative projects between Chinese enterprises and countries like Malaysia and Laos are providing innovative models for cross-border service facilitation and sustainable agricultural development [3] - The World Meteorological Center (Beijing) has hosted three international training sessions, attracting 81 participants from over 30 countries and regions, focusing on international meteorological talent development [3]
高考之后,这样解锁“黄金假期”
Ke Ji Ri Bao· 2025-06-11 08:18
"高考志愿的填报是理性与感性共同作用下的最优选择,除了考虑招生要求外,考生也需要考量自 己对城市的喜爱、专业的偏好以及对未来就业领域的计划,从而做出无悔的决定。"章晓明提醒道,为 助力考生填好高考志愿,目前部分地区官网已上线志愿填报辅助系统,建议考生登录系统进行模拟演 练,按照"冲—稳—保"原则绘制志愿梯度。 原标题:高考之后,这样解锁"黄金假期" "我希望今年能如愿考上重庆或长沙的大学。高考之后,我打算好好研究下相关高校的报考指南, 并充实地度过这个暑假,最起码得先把驾照考了!"近日,安徽马鞍山中加双语学校高三学生姜妍兴奋 地向记者讲述她的假期计划。 如何合理规划高考后的这段时间,成为不少考生和家长的关注焦点。为此,科技日报记者采访了西 南政法大学本科招生办公室执行主任章晓明。 以理性规划叩响未来之门 高考后的志愿填报是考生最关心的事情之一,了解目标院校招考条件、志愿填报时间以及报考过程 中的注意事项等尤为重要。 章晓明建议,在填报志愿前,家长和考生应通过阳光高考平台以及当地考试院和目标院校官方网站 等权威渠道,仔细研读所在地区高考政策,掌握高考分数查询和志愿填报时间,以及高校本科招生章 程、招生计划、历年 ...
全球首个抗甲型流感PB2新药上市
Ke Ji Ri Bao· 2025-06-11 08:18
Core Insights - The innovative drug, Anladiwei, developed under the leadership of Chinese Academy of Engineering academician Zhong Nanshan, has been approved for market release by the National Medical Products Administration of China, marking it as the world's first targeted drug against the PB2 subunit of the influenza A virus [1][2] Group 1: Drug Characteristics - Anladiwei exhibits rapid, potent, and low-resistance characteristics, addressing the significant challenge of drug resistance in influenza treatment [1] - The drug functions by binding to the PB2 subunit, inhibiting the RNA polymerase complex's replication function, thus effectively combating the influenza A virus [1][2] Group 2: Clinical Research and Efficacy - In phase III clinical trials, Anladiwei outperformed Oseltamivir in several key metrics, demonstrating its effectiveness [2] - The drug is also effective against highly pathogenic avian influenza viruses such as H7N9 and H5N6, showcasing its versatility [2] Group 3: Production and Innovation - Anladiwei's raw materials and excipients are entirely sourced domestically, ensuring a robust annual production capacity to support both national and global seasonal influenza responses [2] - The drug has received patent authorization in multiple countries, including China and the United States, with clinical results published in prestigious journals [2][3] Group 4: Future Development - The laboratory aims to leverage AI and big data to enhance research and development of broad-spectrum drugs and vaccines, ensuring that innovative solutions are accessible and affordable for the public [2]
一次考试决定不了人生上限
Ke Ji Ri Bao· 2025-06-11 08:18
Core Viewpoint - The article emphasizes that a single exam does not determine a person's potential or future success, highlighting the importance of perseverance and lifelong learning in achieving one's goals [1][5]. Group 1: Personal Journey - The story recounts the challenging journey of a young man, Shen Zhengchang, who studied hard for the college entrance examination (Gaokao) under difficult conditions, showcasing his determination and resilience [1][2]. - Despite initially failing the exam in 1977, Shen maintained a positive attitude, believing in the possibility of retaking the exam and improving his situation [2][3]. - In 1978, with a more systematic approach to studying and support from a teacher, Shen successfully passed the exam and was admitted to a university, albeit in a different major than he initially desired [4][5]. Group 2: Educational Insights - The article highlights the low pass rate of the initial test organized by local education authorities, with only about 20% of candidates passing, reflecting the competitive nature of the examination process [2]. - Shen's experience illustrates the importance of adaptability, as he found success in a major that was not his first choice, ultimately leading to a fulfilling career in the field of flotation equipment [5]. - The narrative encourages students to embrace opportunities for learning and growth, regardless of the specific path taken, reinforcing the idea that success can be achieved through various avenues [5].
2025年高考试卷中的科技元素
Ke Ji Ri Bao· 2025-06-11 08:18
Group 1 - The 2025 National College Entrance Examination (Gaokao) incorporated various technological elements, emphasizing the integration of scientific knowledge and humanistic care in the test design [2][5] - The English reading section highlighted microplastic pollution, showcasing a Chinese research team's solution that involves boiling water to remove up to 84% of microplastics, reflecting China's commitment to addressing global environmental issues [3][4] - The physics section featured notable technological achievements such as the CR450 high-speed train and the "Tiandu-1" satellite, demonstrating the application of physical principles in real-world innovations and enhancing national pride in scientific advancements [5][6] Group 2 - The Chinese education system is adapting to the AI era by emphasizing critical thinking and questioning skills in the exam format, encouraging students to formulate high-quality questions to obtain better answers [7][8] - The inclusion of practical agricultural knowledge in the language section reflects a shift towards teaching students how to think systematically and logically, which is essential in the context of AI and information acquisition [7][8]
“虫口夺果”显身手 绿色技术护“甜”园
Ke Ji Ri Bao· 2025-06-11 08:18
Core Viewpoint - The establishment of the Fruit Technology Academy at Shanxi Puxian by China Agricultural University demonstrates a successful integration of agricultural technology and local farming practices, focusing on organic fruit production and pest control without chemical pesticides [1][4]. Group 1: Technology and Innovation - The Fruit Technology Academy has developed a green pest control technology that has reduced the use of chemical pesticides by over 30% and decreased the rate of damaged fruits to below 5% [3]. - The research team implemented a comprehensive pest management system that includes monitoring, early warning, and control measures, significantly improving fruit quality and yield [3][5]. - The academy promotes the use of earthworms for soil improvement and fermented enzyme foliar fertilizers, enhancing soil organic matter and optimizing fruit sweetness and taste [3]. Group 2: Community Impact - The academy provides "zero-threshold, zero-cost, and zero-distance" agricultural technology services to local farmers, facilitating easy adoption of pest control techniques [4]. - Over 300 local farmers have benefited from the green integrated pest management technology, with an average annual income increase of nearly 2,000 yuan per mu [4]. - The successful implementation of these technologies has led to award-winning fruit varieties, showcasing the potential for local agricultural products in national competitions [3]. Group 3: Future Prospects - The model of "controllable pests, increased orchard value, and farmer income" is expected to expand beyond the Loess Plateau, contributing to rural revitalization through technological empowerment [5]. - The initiative emphasizes the need for young talent in agricultural science to drive sustainable development in rural areas, aligning with the broader goals of rural revitalization [5].
“一带一路”为全球科技创新合作注入新动能
Ke Ji Ri Bao· 2025-06-11 04:11
Group 1 - The second "Belt and Road" Technology Exchange Conference was held in Chengdu, Sichuan, focusing on building a technology innovation community and promoting multi-level cooperation mechanisms [1] - China has signed intergovernmental technology cooperation agreements with over 80 countries involved in the "Belt and Road" initiative, established more than 70 joint laboratories, and set up 10 international technology transfer centers [1] - The conference aims to inject new momentum into global technological innovation cooperation by launching various important outcomes and establishing "industry-university-research-application" cooperation platforms [1] Group 2 - Technology innovation cooperation has effectively improved the well-being of people in "Belt and Road" countries, achieving mutual benefits [2] - In Southeast Asia, Chinese enterprises have alleviated local power supply issues through solar-plus-storage projects, while in the Middle East, AI technology has supported the smart upgrade of the energy sector [2] - In Africa, 24 agricultural technology demonstration centers have been established, leading to a 30% to 60% increase in local crop yields over the past decade [2] Group 3 - The "Belt and Road" technology innovation cooperation emphasizes the concept of a "community," promoting diverse forms of collaboration and enhancing human exchanges [3] - Developing countries are encouraged to seize opportunities in the new technological revolution, ensuring fair access to emerging technologies and maintaining their development rights [3] - The cooperation is expected to expand in breadth and depth, enhancing technological capabilities and fostering high-quality development in participating countries [3]
【科技日报】科研人员利用人工智能发现5颗行星
Ke Ji Ri Bao· 2025-06-11 01:15
记者10月18日从中国科学院获悉,利用人工智能技术,中国科学院上海天文台等单位的科研人员发 现了5颗直径小于地球的超短周期行星。其中4颗,是迄今为止发现的距其主星最近的最小行星,大小类 似火星。这是天文学家首次利用人工智能一次性完成搜寻疑似信号和识别真信号任务。相关研究成果在 线发表于《皇家天文学会月报》。 超短周期行星是指那些轨道周期小于1天的行星,它们以极近的距离环绕其主恒星运行,通常体积 较小、质量较轻,表面温度极高。到目前为止,天文学家共找到145颗超短周期行星,其中只有30颗半 径小于地球半径。"理解超短周期行星的相对丰度及其特性,对于检验理论模型至关重要。然而,已知 的超短周期行星样本量太小,很难精确了解它们的统计特征和出现率。"论文通讯作者、中国科学院上 海天文台研究员葛健说。 此次,葛健团队创新设计了一种结合GPU相位折叠和卷积神经网络的深度学习算法。利用该算法, 团队成功在开普勒太空望远镜的恒星测光数据中发现5颗超短周期行星。 葛健说,这项研究工作始于2015年,彼时人工智能"阿尔法狗"(AlphaGo)取得重大突破,成功击 败了围棋界职业高手。加上受到同事的激励与启发,他决定尝试将人工智能 ...