· 热点事件

中国地质大学教授 SCI 论文忘删 ChatGPT 回复？校方回应称不太清楚此事

近日，中国地质大学（北京）一教授在 SCI 期刊发表的论文，由于内容携带 ChatGPT 常见回复用语，被网友质疑使用了 AI 写作后忘记删改。

该论文发表于爱思唯尔旗下期刊《表面和界面》

（

Surfaces and Interfaces）, 2 月 17 日上线。文章正文的“介绍”部分第一句为：“Certainly, here is a possible introduction for your topic:”，与 ChatGPT 回复用户的常用提示十分相似。3 月 16 日，潇湘晨报记者就此事联系中国地质大学，校方综合办工作人员回复称“不太清楚此事”

；论文通讯作者、中国地质大学材料与工程学院教授刘某某也未回复记者的邮件。

论文“介绍”部分疑似 ChatGPT 提示词的截图

期刊官网显示，《表面和界面》影响因子 6.2，平均审稿周期 79 天，开放获取论文发表费用为 2360 美元，约合人民币 16000 多元。这一事件在社交媒体发酵，有网友对期刊的审稿流程发出质疑，也有网友表示教授使用 AI 辅助翻译很正常。2023 年 8 月，我国学位法草案提请审议，该草案明确，用 AI 代写学位论文属于学术不端行为，若是学生，或被撤销学位证。（潇湘新闻）

· 公共卫生

美国 CDC 警告：用自来水洗鼻可能会感染“食脑虫”

近期，美国疾病控制与预防中心（CDC）的研究人员发表的一项新研究警告称，使用自来水冲洗鼻腔存在棘阿米巴（

Acanthamoeba）感染风险，可能危及生命。

棘阿米巴是目前已知的可以引起严重脑部感染的阿米巴之一，它通常通过鼻腔进入人体，会导致慢性但致命的肉芽肿性阿米巴脑炎，其发病和疾病进展较慢，病程可持续 1~2 月，生存率不足 7%。这项新研究报告了 10 名因使用自来水冲洗鼻腔而发生严重感染的患者

，其中 6 人发展为肉芽肿性阿米巴脑炎（3 人死亡），6 人出现皮肤病变，3 人存在骨髓炎。研究者警告称，尽管美国的自来水符合饮用标准，但它并不无菌，可能含有微生物

。这些微生物一旦引入鼻腔或眼睛可能会引起潜在危害。研究还指出，62% 的美国人错误地认为自来水对鼻窦冲洗是安全的。阿米巴感染虽然罕见，但对免疫功能受损的人群尤为致命。CDC 建议使用煮沸、无菌或蒸馏水进行鼻窦冲洗，以尽量减少感染风险，特别是对于免疫系统受损的人群。相关论文近日发表于美国 CDC 主办的《新发传染病》

（

Emerging Infectious Diseases）。（美国 CDC，Ars Technica）

· 宇宙学

渥太华大学研究挑战宇宙构成理论：暗物质可能不存在

近日，一项由加拿大渥太华大学（University of Ottawa）物理学教授 Rajendra Gupta 领导的研究对当前宇宙构成的理论模型提出了挑战，认为宇宙中可能不存在暗物质。

在宇宙学中，"暗物质"一词用来描述所有不与光或电磁场相互作用的，或只能通过引力来解释的物质。我们看不到它们，也不知道它们由什么构成，但它们能帮助我们了解星系、行星和恒星的行为。传统宇宙构成理论认为，宇宙由大约 27% 的暗物质、不到 5% 的普通物质以及暗能量组成。在该研究中，研究人员提出了一种结合共变耦合常数（CCC）和"疲劳光"（TL）理论的模型，并分析了关于低红移星系分布和高红移声视界角大小的论文中的数据，以自然力如何随着宇宙时间减少和光在长距离旅行时失去能量为基础，证明宇宙的加速膨是由自然界膨胀时力的减弱引起，而非传统理论中的暗能量

。研究还证明，排除暗物质也能解释一些宇宙观测现象，例如星系如何传播，以及来自早期宇宙的光如何进化。这项研究的发现也与先前有关证明宇宙年龄为 267 亿年的工作相一致。相关论文 3 月 15 日发表于《天体物理学杂志》

（

Astrophysical Journal）。（渥太华大学）

     

· 可穿戴 AI

新型 AI 辅助可穿戴设备，不用声带就能说话

来源：Jun Chen Lab/UCLA

近日，美国加利福尼亚大学洛杉矶分校（UCLA）的一个研究团队发明了一种柔软轻薄、有弹性的可穿戴设备，可以附着在喉咙外的皮肤上，帮助声带功能障碍的人恢复语言功能

。

这种尺寸约为 3 平方厘米，重约 7 克的新型贴片式装置由自供电传感组件和驱动元件组成，这两个组件各包含两层：一层是具有弹性的生物相容性有机硅化合物聚二甲基硅氧烷（PDMS），另一层是由铜感应线圈制成的磁感应层。夹在两个组件之间的是第五层，其中包含 PDMS 和微磁铁，可以产生磁场。该装置能够检测到人喉部肌肉的运动，并在机器学习技术的帮助下将这些信号转化为可听的语音，准确率接近 95%。此外，研究人员还采用了双面生物相容性胶带，将其粘附在喉咙声带附近的位置，并且可以根据需要重新更换胶带。未来，研究小组计划通过机器学习继续扩大该设备的词汇量，并在语言障碍患者身上进行测试。相关论文 3 月 12 日发表于《自然-通讯》

（

Nature Communications）。（UCLA）

· 营养代谢

短期轻断食有利于肥胖青少年安全减重

极低能量饮食指的是每天摄入≤ 800 卡路里，并包括代餐，以确保满足所有必需营养要求。研究表明，极低热量饮食可以导致青少年快速减重，但对于青少年的常见副作用（如头痛、疲劳、肌肉痉挛、便秘）以及极低热量饮食的可接受性，缺乏数据。该研究参与者包括 141 名年龄为 13~17 岁的青少年肥胖者，他们在营养师的支持下，进行了为期 4 周的极低热量饮食，结果显示，几乎所有青少年都完成了极低热量饮食，平均体重减轻了 5.5 公斤。研究人员由此得出结论，虽然伴随着一些副作用，但是经过专业监督的短期极低热量饮食对于中度至重度肥胖的许多青少年来说是安全且可接受的。该研究将在 5 月举行的欧洲肥胖大会（ECO 2024）上报告。（欧洲肥胖研究协会）

编写：严丹、张雯昕、宋秋舸、韩浩楠、魏潇

编辑：魏潇

封面图片来源：论文

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