地球上最大的冰山A23a，其大小几乎是圣彼得堡冰山的两倍。1986年9月，它从菲尔希纳冰架的外缘脱离。这座冰山之前已在威德尔海中部搁浅30多年。2023年11月中旬，它“醒来”并再次开始移动，被洋流带入大西洋。

An enormous chunk has broken off the world's largest iceberg, in a possible first sign the behemoth from Antarctica could be crumbling, scientists told AFP on Friday.

中国人工智能初创公司DeepSeek的新产品于2025年1月中旬亮相；该公司早在2024年就展示了具有推理能力的R1模型的预览。据开发人员介绍，该程序解决数学、编程和逻辑问题的能力与 OpenAI 的类似模型 o1 相当甚至更好。

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An enormous chunk has broken off the world's largest iceberg, in a possible first sign the behemoth from Antarctica could be crumbling, ...