California colleges spend millions on faulty AI systems: ‘The chatbot is outdated’

California community colleges are paying millions for AI chatbots to answer student questions, but the bots often confuse people with wrong or vague replies. CalMatters reports the tools ...

Is 'Tristan' the hardest opera to stage? This director thinks so, and signed on at the Met

Opera director Yuval Sharon has said that Wagner’s “Tristan und Isolde” is the hardest work in the traditional repertoire to stage. That’s a big reason why he jumped at directing a ...

达州｜2026达州家庭防水漏水修复指南：卫生间/阳台/外墙/地下室 ...

达州通川区老居民刘先生刚遭遇暴雨，渠江边的老砖混房楼板直接渗水，墙面“挂汗”长霉；宣汉县农村的穿斗房屋顶未做防雨处理，秋雨期屋面流失，白墙挂“水胡子”；更令人心焦的是，达川区广告商业楼的地下室在8月雨季突然返潮，墙体酥软、设备锈蚀——这绝非个例！根据2026年达州住建部门专项调研，73%的渗漏投诉源于管网老化、施工工艺不符规范，其中28%直接关联渠江/州河沿岸房屋防汛防水不达标。 达州为啥总“漏” ...