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“始终保持对问题的好奇心”——青年学者对话资深专家
Huan Qiu Wang Zi Xun· 2025-07-08 10:56
Group 1 - The core viewpoint emphasizes the importance of basic research in driving scientific and technological progress, while highlighting the challenges faced by young researchers in this field [1] - Young researchers should focus on finding intersections between academic hotspots and practical issues, particularly in fields like artificial intelligence and healthcare [2] - The strategy of "cold spots within hot topics" can be beneficial, allowing researchers to explore under-explored areas within popular fields [2] Group 2 - A "dual-track" research model is recommended, where researchers can pursue both short-term projects with immediate outputs and long-term core issues [3] - Breaking down long-term goals into smaller, manageable objectives can help maintain progress and yield periodic results [3] - Establishing a personal academic label in a specific niche can enhance a researcher's reputation over time, even in the absence of immediate breakthroughs [3] Group 3 - Effective cross-disciplinary collaboration requires overcoming barriers such as disciplinary silos, communication challenges, and issues related to benefit distribution [4] - Creating a "common language" among collaborators is essential for smooth communication and understanding of different disciplines [4] - Focusing on specific interdisciplinary scientific problems rather than general discussions can lead to more productive collaborations [5]
发射无线电波和X射线的天体现身
Ke Ji Ri Bao· 2025-06-04 01:12
Core Findings - A new cosmic phenomenon named ASKAP J1832-0911 has been discovered, emitting radio waves and X-rays every 44 minutes for approximately two minutes, marking the first detection of such a long-period transient (LPT) in X-rays [1][2] - The discovery was made using the ASKAP radio telescope in Australia, and the signals were correlated with data from NASA's Chandra X-ray Observatory, which was observing the same region of the sky at the same time [1] Summary by Sections Discovery and Significance - Since the initial discovery of LPTs by ICRAR researchers in 2022, scientists globally have confirmed 10 such celestial bodies, but the exact cause of these signals and their unique timing remains a mystery [2] - ASKAP J1832-0911 is hypothesized to be a magnetar or a highly magnetized white dwarf in a binary system, yet existing theories do not fully explain the observed phenomena [2] Implications for Research - The detection of this celestial body in X-rays is significant as it opens new avenues for understanding the nature of such objects, emphasizing the importance of interdisciplinary collaboration among global scientists [2] - This breakthrough not only narrows down the potential identities of these celestial bodies but also provides valuable clues for exploring their true nature by requiring explanations for both X-ray and radio wave emissions [2] Broader Context - The discovery of ASKAP J1832-0911 challenges existing theoretical frameworks for understanding the universe and offers new insights into stellar evolution, suggesting that exploration in this field is just beginning [3]
文科也能发Nature:华人学者发现“转向惩罚”——转换研究方向,会降低影响力
生物世界· 2025-06-01 03:37
撰文丨王聪 编辑丨王多鱼 排版丨水成文 随着科研图景的不断变化,研究人员往往需要应对新出现的挑战,从气候变化到新冠大流行。这需要适应,也可能要研究人员考虑不同的研究方向,包括结合新 的研究方向,或者直接转换到新的研究领域。 这种研究方向的转换,有可能会给研究工作带来新视角,但也有可能出现与适应不同主题或学科相关的挑战。然而,对这种研究方向转换的程度以及后续影响的 理解,一直理解有限。 2025 年 5 月 28 日,美国西北大学 王大顺 教授团队等在国际顶尖学术期刊 Nature 上发表了题 为: The pivot penalty in research 的研究论文。 该研究在分析 2580 万篇科学论文以及 170 万个专利后发现, 科学家转换研究方向可能会产生负面结果——当一个研究人员离开其原本的专业领域后,其发表论 文所获得的引用量会低于其之前的研究成果,而且,研究方向转换的幅度越大,这种影响就越显著,研究团队将这一现象称为——" 转向惩罚 "。 在这项最新研究中,研究团队设计了一个新的衡量框架,用于量化研究人员与其现有研究领域的偏离有多远,并将其用于评估 1970-2015 年之间发表的 2580 ...