At a press conference, Florida Governor Ron DeSantis said that the state will use the Baker Correctional Institution, a temporarily closed northern state prison, turning it into what he called ...

一项涉及高电子激发态化学物质电子转移的新反应，挑战了一项长期存在的光物理学原则。据发现该反应的瑞士研究人员称，通过打破“卡莎规则（Kasha’s rule）”，该转化过程实现了原本不可能实现的全新化学反应。（背景延伸：卡莎规则由物理化学家迈克尔·卡莎 ...

深入思考这些“颜色”背后的深层含义，将帮助你做出一个明智且适合自己的留学选择，为你在美国的学习和生活奠定坚实的基础。记住，选择一个州，就是在选择一种生活，一种经历，也是在选择一个塑造你未来的文化环境。 返回搜狐，查看更多 ...

JERUSALEM, Aug. 11 (Xinhua) -- Israel's first national satellite for communications entered its final orbit in space at 36,000 km above Earth and has begun its operational mission, according to ...

Ogni giorno, in angoli del mondo che spesso ignoriamo, si consumano tragedie che lasciano cicatrici indelebili nelle vite delle persone. Oggi voglio raccontarti la storia di Saifollah e Muhammad Rizik ...

地球是一个奇迹物种｜美国将国家地理中文网设为星标方能收到正常推送这只重达195磅的雄性佛罗里达黑熊(Florida black bear)名为M13，由生物学家约瑟夫·格思里(Joseph Guthrie)在佛罗里达州高地县的莱克威尔士岭发现。| ...