Core Viewpoint - The development of the autonomous driving industry in the Nansha Free Trade Zone is rapidly advancing, supported by favorable policies and a robust industrial ecosystem, positioning it as a national leader in autonomous driving innovation [1][2][3]. Group 1: Industry Development - Nansha Free Trade Zone has accumulated over 45 million kilometers of road testing mileage for autonomous vehicles, with a significant presence of autonomous driving cars available for public use [1]. - The zone has formed a comprehensive automotive industry cluster exceeding 100 billion yuan, providing ample resources for the development and testing of autonomous driving technologies [2][3]. - In 2024, key enterprises in the autonomous driving sector within Nansha are projected to achieve a total revenue of 4.421 billion yuan, with nearly 900 million kilometers of testing mileage [3]. Group 2: Policy and Strategic Collaborations - Nansha Free Trade Zone has established a supportive policy environment for autonomous driving, allowing for commercial operations without a safety driver in the main driving seat [4][5]. - Strategic partnerships have been formed with companies like Uber and the Dubai Roads and Transport Authority to enhance the deployment of autonomous vehicles [2]. - The recent issuance of licenses for autonomous driving equipment marks a transition from closed testing to real-world operations, facilitating rapid commercialization [7]. Group 3: Future Prospects - The introduction of national policies supporting the deepening of intelligent connected vehicle testing and demonstration applications is expected to further accelerate the development of the autonomous driving industry in Nansha [6]. - Nansha aims to create a global leading autonomous driving innovation ecosystem, attracting domestic and international companies to establish operational scenarios [7].

Group 1 - The article discusses the increase in gastrointestinal diseases, particularly diarrhea, during the hot and humid summer months, emphasizing the need for proper treatment and misconceptions surrounding it [1] - It highlights that many people mistakenly believe antibiotics can treat all types of diarrhea, while in reality, they are only effective against bacterial infections [2] - The article explains that viral diarrhea is generally milder and can self-resolve, while bacterial diarrhea may present more severe symptoms such as fever and blood in stools [2] Group 2 - The article clarifies that diarrhea serves as a protective mechanism for the body to eliminate pathogens and toxins, rather than merely a means of waste expulsion [3] - It warns against the practice of complete fasting during diarrhea, as it can lead to dehydration and electrolyte imbalances, suggesting the intake of fluids and easily digestible foods instead [3] - The article also addresses common health misconceptions during summer, such as the behavior of mosquitoes and the credibility of online health information, urging the public to seek authoritative sources for medical advice [4]

Core Insights - The Jimsar Shale Oil Demonstration Zone in Xinjiang has achieved significant production growth, with a total crude oil output of 880,000 tons in the first half of the year, representing an increase of 82.2% compared to the same period last year [1][2] - The demonstration zone aims to become China's first national-level continental shale oil demonstration area with an annual production exceeding 1 million tons by 2024 [1][3] Group 1: Production and Growth - The Jimsar Shale Oil Demonstration Zone's production is expected to reach 1.7 million tons this year, fully completing the construction tasks for the national-level demonstration area [3] - The area has broken multiple domestic records in key performance indicators due to technological breakthroughs and management innovations [1] Group 2: Technological Innovations - The geological research team has successfully overcome challenges in identifying high-quality shale oil reservoirs, improving the drilling success rate from 87.3% to 88.6% [2] - New drilling and fracturing models have been optimized, leading to a reduction in the average production cycle for new wells to two days, down by 0.5 days from last year [2] Group 3: Management Strategies - The demonstration zone employs a comprehensive engineering methodology called "One Full and Six Transformations" to enhance planning, efficiency, and quality control in operations [2] - Measures have been implemented to ensure the orderly and efficient launch of new wells, including advanced planning and optimization of on-site operations [2]

Core Viewpoint - The introduction of new pear varieties, particularly "Ningli Early Dew," showcases advancements in breeding techniques aimed at enhancing taste, appearance, and cultivation efficiency in the pear industry [1][2]. Group 1: New Pear Varieties - "Ningli Early Dew" is a new pear variety that matures in late June, which is half a month earlier than traditional early-ripening pears, with a growth period of approximately 90 days from flowering to maturity [1][2]. - The variety has a fruit weight of 280-320 grams and features a small core, providing a sweet and juicy taste experience [1]. - Other new varieties presented include "Ning Early Gold," "Ning Late Green," and a red-skinned pear series, all developed by the Nanjing Agricultural University pear innovation team [1][2]. Group 2: Breeding Techniques - The breeding process for new pear varieties traditionally takes 12 to 15 years; however, the research team has implemented image recognition and machine learning technologies to accelerate this process [2]. - The development of the "Cloud Shang Hou Ji" breeding information platform has standardized data collection and improved the efficiency of new pear variety creation [2]. - The combination of hybrid breeding, bud mutation, and molecular marker selection has significantly enhanced the speed and effectiveness of new variety development [2]. Group 3: Market Impact - The newly introduced varieties cover a range of maturity periods from extremely early to mid-late, ensuring a continuous supply of fresh pears in Jiangsu from late June to early September [4].

原标题：黑龙江发布成果转化改革攻坚方案 针对高校院所普遍存在的科技成果国资管理僵化、审批流程繁琐、专业化技术转移人才短缺等痼 疾，《方案》开出精准"药方"：打造"一站式"服务体系，简化内部成果转化审批流程，将科研成果从实 验室到市场的路径压缩至最短；在职称评定体系中增设技术经理专业序列，破解技术转移人才职业发展 瓶颈；通过建立尽职免责制度，明确"勤勉尽责、未谋私利"情形下的容错边界，为科研人员松绑减负。 值得一提的是，《方案》全面推行职务科技成果赋权改革，赋予科研人员职务科技成果全部所有 权，从此前的"先出成果再考虑转化、先转化后奖励"转变为"先赋权再一体化推进成果创造和转化"的激 励模式。《方案》鼓励高校院所按照先使用后付费方式把科技成果许可给企业使用，采取"零门槛费 +阶段性支付+收入提成"或"延期支付"等方式转化成果。 为确保改革落地见效，《方案》首次设立科技成果转化指数评价体系，以技术合同成交额、技术合 同成交额贡献率、新生成企业、转化重大科技成果等指标，形成高校院所科技成果落地转化指数，每年 以省委科技委办公室名义发布。这一"指挥棒"将直接倒逼机构提升转化效能，形成"以转化论英雄"的鲜 明导向。 黑 ...

Core Insights - Recent research challenges the long-held belief that fish hovering in water is the most energy-efficient resting position, revealing that hovering fish actually burn twice the energy compared to resting states [2][3] Group 1: Fish Physiology and Behavior - All bony fish possess a unique organ called the swim bladder, which allows them to achieve near-perfect neutral buoyancy, similar to how submarines control their buoyancy [2] - The positioning of the swim bladder often does not align with the fish's center of mass, creating a need for constant adjustments to maintain stability while hovering [2] - Different fish species exhibit unique balancing strategies during hovering, with variations in fin positioning and body shape affecting energy efficiency and stability [3] Group 2: Evolutionary Adaptations - The metabolic rate of hovering fish is significantly higher, being twice that of resting fish, indicating a high-energy survival strategy evolved over millions of years [3] - Fish that are adept at high-speed swimming tend to have lower hovering efficiency, while those in complex coral reef environments have evolved rounder bodies for better stability during hovering [3] Group 3: Implications for Technology - The findings from this research could inform the design of underwater robots, suggesting that mimicking fish hovering mechanisms could lead to more energy-efficient and environmentally friendly robotic designs [4]

Group 1: Sun Exposure and Skin Conditions - The article discusses the risk of sun exposure leading to solar dermatitis, characterized by redness and itching on exposed skin areas after excessive UV exposure [2] - Symptoms of solar dermatitis peak within 24-48 hours and can lead to severe conditions like blisters and increased skin cancer risk if not managed properly [2][4] - Recommendations for prevention include using physical barriers like UV protective clothing and chemical sunscreens with SPF over 30, applied 15-30 minutes before sun exposure [3] Group 2: Allergies Related to Air Conditioning - The article highlights that dust mites in air conditioning systems can trigger allergic rhinitis, causing symptoms like sneezing and itchy eyes [5] - Dust mites thrive in warm, humid environments, and air conditioning can create ideal conditions for their proliferation [5] - Preventive measures include regular cleaning of bedding and air conditioning filters, maintaining indoor humidity below 50%, and ensuring proper ventilation [6] Group 3: Insect Bites and Allergic Reactions - The article explains that insect bites can lead to urticarial reactions, known as papular urticaria, which is an immune response characterized by red, itchy welts [7] - Recommendations for managing symptoms include avoiding scratching, applying cold compresses, and using topical treatments like calamine lotion or corticosteroids under medical guidance [7] - Preventive strategies include wearing light-colored, tightly woven clothing outdoors and using insect repellent products effectively [8]

Core Viewpoint - The recent news regarding Listeria infection from consuming frozen meat has raised public awareness about the risks associated with food safety, particularly in summer when refrigerator usage increases [1] Group 1: Characteristics of Listeria - Listeria monocytogenes is a highly resilient foodborne pathogen known for its ability to survive in cold temperatures, including -20°C, making refrigerators a suitable environment for its growth [2] - It can thrive in dry and high-salt conditions and is commonly found in soil, water, decaying vegetation, and animal feces, leading to potential contamination in the food supply chain [2] Group 2: Health Risks Associated with Listeria - Infection can lead to severe health issues such as meningitis and encephalitis, particularly affecting vulnerable populations like the elderly, pregnant women, and immunocompromised individuals [3] - Pregnant women face significantly higher risks, including miscarriage, stillbirth, and neonatal sepsis due to Listeria's ability to cross the placental barrier [3] Group 3: Prevention Measures - To prevent Listeria infection, it is crucial to maintain refrigerator temperatures below 4°C for the cooling compartment and -18°C for the freezing compartment, along with regular cleaning [4] - It is recommended to separate raw and cooked foods in the refrigerator and adhere to the "74°C heating rule" to ensure thorough cooking of potentially contaminated foods [4] - High-risk groups should avoid consuming unpasteurized soft cheeses and undercooked ready-to-eat meats, and seek medical attention if symptoms arise [5]

Core Insights - The successful crossing of the sea embankment by the "Yongzhou" shield machine marks the full commencement of the world's longest underwater high-speed rail tunnel construction [1] Group 1: Project Overview - The Jintang underwater tunnel, located between Ningbo and Zhoushan, has a total length of 16.18 kilometers and utilizes two shield machines for simultaneous excavation and connection underwater [1] - The underwater section of the tunnel is 11.21 kilometers long, with a maximum burial depth of 78 meters, and the construction is expected to take three years [6] Group 2: Technological Innovations - The "Yongzhou" shield machine is equipped with advanced technologies such as a rolling cutter wear monitoring system and a geological forecasting system to handle complex geological conditions [2][3] - The number of rolling cutters on the "Yongzhou" shield machine has been increased to 300, enhancing its rock-breaking capability and wear resistance [2] - A digital shield system allows for remote operation and real-time monitoring of the shield machine's parameters, improving safety and efficiency during construction [4] Group 3: Specialized Techniques - Saturated diving technology is employed for high-pressure tool replacement, allowing divers to work for up to 28 days under high pressure, which is essential for the maintenance of the shield machine [6] - The project has established multiple research topics focused on enhancing performance in complex geological and marine environments, resulting in several innovative tools and methods [6]

Core Viewpoint - The newly revised Mineral Resources Law, effective from July 1, aims to standardize mineral resource management and promote green, high-quality development in the mining industry [1] Group 1: Legislative Changes - The revision of the Mineral Resources Law is the first major overhaul in 29 years, marking a significant milestone in the legal framework for natural resources [2] - The new law addresses the increasing demand for strategic mineral resources while highlighting systemic shortcomings in geological survey work, such as funding shortages and slow technological updates [2] - The law establishes a national obligation for basic geological surveys, providing a legal foundation to overcome exploration bottlenecks and ensure mineral resource security [2] Group 2: Environmental Considerations - The new law incorporates green development principles, establishing a dedicated chapter on "mining area ecological restoration" to support ecological civilization construction throughout mineral resource management [3] Group 3: Implementation Strategies - The Ministry of Natural Resources has issued a comprehensive plan for implementing the new law and is expediting the drafting of implementation regulations, which are currently under review by the Ministry of Justice [4] - A thorough review of existing regulations related to mineral resource management is underway, with recommendations for necessary amendments or abolitions [4] - The Ministry is also developing supporting documents to enhance the ecological restoration of mining areas, focusing on management of restoration plans and supervision [4][5] Group 4: Ecological Restoration Guidelines - The ecological restoration guidelines emphasize responsibilities for mining rights holders to implement restoration concurrently with mining activities, shifting from reactive to proactive management [5] - The guidelines aim to extend ecological restoration from end-of-pipe treatment to source protection, detailing objectives and measures for different stages of mineral resource extraction [5]