The best time to exercise depends on your body clock, study finds 研究发现：最佳 ...

Data shows decline in migratory fish populations 数据显示洄游鱼类种群数量下降 Episode 260427 / 27 Apr 2026 Why is there fewer fish?
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2026 RAG 选型指南：Vector、Graph、Vectorless 该怎么挑

点击上方“Deephub Imba”,关注公众号,好文章不错过 !检索找到了某个语义上接近的片段，LLM 围绕它写出一段文字，但是没人发现答案是错的。这是 vector RAG 调参解决不了的失败问题。而现在有2种方法可以解决他：GraphRAG ...
China.org.cn

Supercomputer reconstructs evolution of the universe

The project, called HyperMillennium and led by the National Astronomical Observatories of the Chinese Academy of Sciences, ...
China.org.cn

Economic Watch: In China's far north, cold is being repriced

Across parts of the Greater Hinggan Mountains in northeast China's Heilongjiang Province, snow and ice can still linger deep into early summer. The frozen period lasts more than 200 days in some areas ...
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英伟达高管称，现阶段使用AI的花费比人工更高

科技行业在加大AI投入的同时，裁员规模也在不断扩大。
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构建分层的 Agentic RAG 系统：具备自主纠错的多模态推理

作者 ｜ Abhijit Ubale译者 ｜ 张卫滨引 言企业 AI 团队长期面临着一个难题，那就是大多数检索增强生成 (RAG) ...