晚安咖啡》科技夜话（英文版）：OpenAI因安全风险暂缓Astra模型发布，谷歌DeepMind重大人事调整

OpenAI expands safety testing and pauses some development work on its Astra model after finding it possesses "critical" cyber capabilities.Google parent Alphabet announces a major leadership restructuring at DeepMind: Demis Hassabis steps down as CEO to become Chairman of DeepMind and Chief Scientist of Alphabet.Nvidia sharply cuts HBM memory configurations for its next-generation flagship GPU Rubin Ultra, sending SK Hynix and other global memory stocks plunging.SpaceX is set to complete its acquisition of AI coding tool Cursor's parent company Anysphere as early as next week, in a deal valued at approximately $60 billion.ByteDance is discussing training a large model with over 5 trillion parameters; founder Zhang Yiming explicitly stated that distillation will not be used.Nvidia plans to invest up to $3 billion in power infrastructure developer Lancium to secure electricity resources for AI data centers.Yum China completes its $1.2 billion acquisition of full ownership of the Pizza Hut brand in mainland China.前往小宇宙评论区与主播互动