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新显微镜技术清晰重现大脑复杂网络 分辨率比传统的光学镜高16倍
Ke Ji Ri Bao· 2025-05-11 23:33
Core Insights - A new microscopy technology called "LICONN" has been developed by the Austrian Institute of Science and Technology (ISTA) and Google Research, which allows for the precise observation of neural connections in the brain [1][2] - LICONN can reproduce all synaptic connections between neurons and visualize complex molecular mechanisms, achieving a resolution of less than 20 nanometers, significantly improving upon traditional optical microscopy which has a resolution of 250-300 nanometers [1] - The technology utilizes the chemical and physical properties of hydrogels to preserve the fine microstructure of brain cells for observation [1] Technology and Methodology - LICONN employs standard optical microscopy for image acquisition and accurately connects each synaptic connection to its corresponding neuron, effectively assembling a complex brain network [1] - Google’s AI technology aids in the automatic identification of neurons and their intricate structures, making the reconstruction of all cellular components feasible [2] - The team has created a 3D rendering of the brain network, which not only accurately reproduces brain tissue but also visualizes neuron connections and networks [2] Implications - LICONN brings scientists closer to assembling a comprehensive map of mammalian brains, enhancing the understanding of brain functions in both healthy and diseased states [2]
量化私募灵均投资试水AI应用,AI名片如何赋能乡村振兴
Jing Ji Guan Cha Wang· 2025-05-11 12:27
Group 1 - The core initiative "AI Lights Up Rural Revitalization" aims to connect top resources to rural areas through AI technology, targeting 832 poverty-stricken counties in China [1][2] - The project involves collaboration between Lingjun Investment, Beijing Normal University, and Dianfu Technology, with Olympic champion Zhang Yufei serving as the public ambassador [1] - The AI card integrated into the initiative includes expert resources in four key areas: learning, health, psychology, and finance, designed to enhance knowledge and professional skills for rural residents [2] Group 2 - Lingjun Investment emphasizes the importance of AI technology in empowering education and contributing to social welfare, aligning with the national strategy for educational development [1][2] - The initiative is part of a broader effort to improve the quality and balance of education in underdeveloped regions, leveraging new technologies to innovate educational methods [2] - Zhang Yufei highlights the transformative potential of AI technology, describing it as a warm connection that can unify educational efforts and societal support for rural revitalization [2]
北京海淀加力实施城市更新行动(聚力攻坚 协同发力·政策落地进行时)
Ren Min Ri Bao· 2025-05-10 21:30
不久前的"五一"假期,北京海淀区中关村迎来消费热潮。历经两年改造,承载着一代人记忆的中关村食 宝街和中关村广场等,融合升级为中关村大融城——集购物、休闲与社交于一体的多元体验空间。5月1 日试营业首日,大融城西区5万平方米空间吸引4.5万客流,83家大小餐饮店铺总消费额达500万元。 "热闹劲和烟火气回来了。"28岁的张航在附近一家人工智能企业上班,听到大融城试营业,第一时间和 同事来"打卡","这里不仅是新潮商场,更是释放压力的港湾。" "扩内需、补短板、促发展,城市更新是重要抓手。"海淀区委书记张革介绍,今年2月初、3月底,海淀 已下达两批251个城市更新项目,总投资超千亿元,涉及改造面积约1435.8万平方米。"我们将通过城市 更新,进一步优化城市空间结构、提升城市功能、改善群众生活品质、加快新旧动能转换。"张革说。 (责编:胡永秋、杨光宇) 关注公众号:人民网财经 "这里大多是上世纪50年代的老楼,居住环境亟待改善。"中关村街道党工委委员刘繁介绍,街道专门组 建了5个工作组,逐一登门问需求,"目前已有7栋楼474户完成腾退,建设施工正式启动。" 由点及面,目光从中关村区域向整个北京延伸: 东部朝阳,靓 ...
贝莱德在修订后的比特币 ETF 文件中扩大了量子风险披露
Sou Hu Cai Jing· 2025-05-10 15:25
Core Insights - BlackRock has updated its iShares Bitcoin Trust (IBIT) prospectus to include a more detailed discussion on the potential risks posed by quantum computing, expanding on previous mentions of the technology [2][3] Group 1: Quantum Computing Risks - The revised prospectus outlines how advancements in quantum computing could undermine the viability of many encryption algorithms used globally, including those protecting digital assets like Bitcoin [3] - The document states that if quantum computing develops in this manner, it could lead to the failure of the encryption technology underlying the Bitcoin network, potentially allowing malicious actors to compromise Bitcoin wallets and resulting in shareholder losses [3][4] - Although the Bitcoin community is working on quantum-resistant solutions, the prospectus notes that there is no guarantee that new quantum-resistant architectures can be established or implemented across the network in a timely manner [4] Group 2: Industry Developments - Concerns regarding quantum computing and its threat to Bitcoin security have been ongoing, particularly following Google's release of its next-generation quantum chip, Willow, which can solve certain computational tasks in minutes that would take classical supercomputers billions of years [5] - Microsoft has also announced a milestone with its Majorana 1 quantum chip, which reportedly addresses key scalability challenges in quantum technology, further raising concerns in the crypto space about the rapid development of quantum computing [6] - Despite the advancements in quantum computing, most experts agree that its performance and stability are not yet sufficient to pose a real threat to Bitcoin in the short term, as breakthroughs remain largely theoretical without practical application [6] Group 3: Potential Benefits of Quantum Computing - The industry is not remaining idle; many projects are exploring or implementing quantum-resistant technologies in anticipation of a "quantum-safe" future [6] - Interestingly, quantum computing may not only pose risks but could also enhance blockchain security, as researchers from JPMorgan, Quantinuum, and others have successfully used quantum computers to generate verifiable random numbers, which could strengthen encryption and improve digital signatures [6]
5月攻坚正当时:盐城盐南新河街道全力冲刺经济发展“双过半”
Yang Zi Wan Bao Wang· 2025-05-09 04:45
Group 1 - The street is focusing on key economic indicators, enhancing data analysis and communication with enterprises to ensure accurate reporting and tracking of businesses [1][2] - The street aims to establish a dynamic management mechanism for tracking enterprises, ensuring compliance and timely reporting [1] - The street is actively engaging in investment attraction, with plans to complete new project signings and start construction on new projects [2] Group 2 - Various investment promotion units are signing agreements with companies, including technology and agricultural projects, to boost local economic development [2] - The street is committed to providing precise services to enterprises by understanding their operational status and offering policy guidance [2]
以实际行动诠释新时代中国青年的责任与担当
Group 1 - The importance of youth in contributing to China's modernization is emphasized, with various sectors expressing commitment to this cause [2][5][6] - The logistics and express delivery industry in Xinjiang is highlighted as a vital link for economic development and national unity, with youth pledging to enhance service quality [2][7] - The cultural heritage sector is encouraged to leverage local culture for agricultural development, showcasing the role of youth in preserving and promoting cultural identity [4][6] Group 2 - The construction industry is represented by youth who aim to integrate personal growth with national development, focusing on quality and efficiency in projects [3][5] - The e-commerce sector is committed to improving professional skills and contributing to rural revitalization, reflecting the youth's dedication to practical outcomes [3][4] - The social work sector emphasizes guiding youth to develop patriotism and a sense of responsibility, aligning with national goals [4][7] Group 3 - The technology sector, particularly in artificial intelligence, is focused on innovation and practical applications to support national interests, with youth expressing a strong sense of duty [5][6] - The transportation industry is mobilizing youth to enhance community services and support rural revitalization through practical actions [7] - The environmental protection sector is actively engaging youth in ecological conservation efforts, demonstrating a commitment to sustainable development [7]
刚刚,央行证监会联手出招!三大交易所跟进!
证券时报· 2025-05-07 06:20
中国人民银行、中国证监会公告。 党的二十届三中全会明确提出,要加快多层次债券市场建设,构建同科技创新相适应的科技金融体制。近日,中国人民银行、中国证监会联合发布关于支持 发行科技创新债券有关事宜的公告(中国人民银行 中国证监会公告〔2025〕8号,以下简称《公告》)。《公告》是落实党的二十届三中全会精神的重要举 措,有利于拓宽科技创新企业融资渠道,引导债券市场资金投早、投小、投长期、投硬科技,激发科技创新动力和市场活力,助力培育新质生产力。 《公告》从丰富科技创新债券产品体系和完善科技创新债券配套支持机制等方面,对支持科技创新债券发行提出若干举措。主要包括:一是支持金融机构、 科技型企业、私募股权投资机构和创业投资机构(以下简称股权投资机构)发行科技创新债券。科技创新债券含公司债券、企业债券、非金融企业债务融资 工具等。二是发行人可灵活设置债券条款,鼓励发行长期限债券,更好匹配科技创新领域资金使用特点和需求。三是为科技创新债券融资提供便利,优化债 券发行管理,简化信息披露,创新信用评级体系,完善风险分散分担机制等。四是将科技创新债券纳入金融机构科技金融服务质效评估。五是鼓励有条件的 地方提供贴息、担保等支持措 ...
央行:科技创新债券准备工作基本就绪,近100家机构计划发行超过3000亿元
Sou Hu Cai Jing· 2025-05-07 06:00
Group 1 - The People's Bank of China (PBOC) is set to enhance financial support for technological innovation through the introduction of a "Technology Board" in the bond market, aimed at facilitating the issuance of technology innovation bonds by financial institutions, technology enterprises, and equity investment institutions [1][3] - Nearly 100 market institutions are planning to issue over 300 billion yuan in technology innovation bonds, indicating strong market interest and participation [3] - The PBOC has established a risk-sharing tool for technology innovation bonds, which will provide low-cost refinancing funds to support long-term bond issuance by equity investment institutions, potentially extending to 8-10 year bonds [4] Group 2 - Equity investment institutions play a crucial role in supporting technological innovation, having contributed to nearly 90% of companies listed on the Sci-Tech Innovation Board and 60% on the Growth Enterprise Market [4] - The PBOC has implemented two capital market support tools, with the swap facility having conducted operations totaling 105 billion yuan, and over 500 listed companies announcing stock repurchase financing amounting to approximately 300 billion yuan [4][5] - The usage of the swap facility has increased during periods of market stress, demonstrating its effectiveness in stabilizing market expectations and correcting market overreactions [5]
日美为何刺破房产泡沫?2025中国楼市:核心区涨5%,三四线跌20%
Sou Hu Cai Jing· 2025-05-02 09:06
Background and Bubble Formation - Japan's economic boom from 1960 led to a real estate bubble, with M2 growth increasing from 8% to 12% after the Plaza Accord in 1985, resulting in a doubling of property prices from 1986 to 1989 [2] - Tokyo's real estate value reached 20% of the global total, while the price-to-income ratio surged from 5 times in 1980 to 12 times in 1990 [2] - The bubble burst in 1991 when the Ministry of Finance restricted financing, leading to a 65% drop in Tokyo property prices [2] Consequences of the Bubble - The aftermath of the bubble saw a spike in unemployment to 5%, with 20 banks collapsing, marking the beginning of Japan's "lost two decades" [4] - A case study of an individual who borrowed 50 million yen in 1989 illustrates the severe impact of the price drop, which reached 70% by 1992 [4] U.S. Bubble Dynamics - The U.S. experienced a housing bubble from 2001 to 2005 due to relaxed mortgage policies and interest rate cuts, with home prices increasing by 80% from 2000 to 2006 [5] - The price-to-income ratio rose from 8.27 in 2001 to 9 in 2006, culminating in a 40% drop in home prices during the 2007 financial crisis [5] Lessons from Japan and the U.S. - Both countries faced significant economic challenges post-bubble, with Japan's real estate accounting for 20% of GDP while the economy stagnated [9] - The U.S. saw real estate loans make up 40% of bank assets, squeezing out investments in technology [9] Financial System Collapse - The bursting of the bubbles led to financial system failures, with Japan's non-performing loan ratio reaching 15% in 1990 and the U.S. experiencing a 20% mortgage default rate in 2008 [10] - The U.S. government had to bail out institutions like Fannie Mae, incurring losses of $500 billion [10] Successful Transitions Post-Bubble - Japan successfully transitioned to industries like automotive and anime, with Toyota's profits reaching 2 trillion yen by 2024 [12] - The U.S. increased technology investments, with Apple's market value surpassing $3 trillion in 2024 [12] Current State of China's Real Estate Market - By 2025, China's real estate market shows a clear divide, with core areas experiencing a 3% price increase while third and fourth-tier cities face declines of over 10% [13] - The introduction of new policies provides support for first-time buyers, with a 15% increase in transaction volume in core areas [13] Investment Strategies - Recommendations include focusing on core area properties, particularly school district and subway-accessible homes, to mitigate market volatility [13] - Investors are advised to consider selling properties in third and fourth-tier cities and reallocating funds into REITs or senior housing for better returns [13] Future Outlook - Projections for 2026 indicate continued price declines in third and fourth-tier cities, while core area prices are expected to rise [16] - The expansion of real estate taxes and an increase in technology investment as a percentage of GDP are anticipated, emphasizing the importance of addressing real estate bubbles for long-term economic stability [16]
提升科技型企业融资可得性和便利度
Jing Ji Ri Bao· 2025-04-28 22:07
Group 1: Core Perspectives - The development of technology finance is crucial for supporting new productive forces, involving various aspects of the financial system, policies, and models [1] - The Chinese government emphasizes the importance of technology finance, green finance, inclusive finance, pension finance, and digital finance to enhance financial services for major strategies and key areas [1][2] - Financial institutions are exploring new organizational structures and credit processes to better serve technology enterprises [1][2] Group 2: Financial Tools and Policies - The diversification of financial policy tools is essential for addressing the financing bottlenecks faced by technology enterprises and accelerating the development of new productive forces [2][3] - Key financial instruments include re-loans for technological innovation and small business support, which are vital for supporting the real economy and promoting innovation [3][4] - The establishment of a financial service evaluation mechanism is necessary to motivate financial institutions to actively support technology enterprises [3] Group 3: Lifecycle Financial Services - Banks should provide diversified financial services throughout the lifecycle of technology enterprises, addressing different financing needs at various stages of development [5][6] - Supporting early-stage technology enterprises through initial loans can enhance their survival rates and competitiveness [5][6] - For growing technology enterprises, expanding financing channels is crucial for promoting innovation and industry advancement [5] Group 4: Risk Management - The unique characteristics of technology enterprises, such as light assets and high risks, necessitate tailored risk management strategies [8][9] - Banks should establish specialized credit approval mechanisms and enhance the professionalism of their approval processes to better support technology enterprises [8] - Digital transformation in financial institutions can improve risk management capabilities and facilitate the development of innovative financial products [9]