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中国科学院古脊椎动物与古人类研究所徐光辉研究员联合重庆市规划和自然资源局、重庆市地质矿产勘查开发局川东南地质大队等相关研究人员，通过研究重庆早侏罗世(距今约1.99亿—1.93亿年)湖泊沉积地层中一个保存完好的化石组合，命名为“渝州生物群”，揭示出三叠纪大灭绝之后中国发现的首个复杂湖泊生态系统。
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The 19th Group of Twenty (G20) Summit was held in Rio de Janeiro Brazil from Monday to Tuesday. In the face of geopolitical conflicts and economic uncertainties, the G20 Summit is expected to exert positive impacts and inject more stability into an unstable world, said Cui Shoujun, Professor and Director of the Institute of International Development Studies at the School of International Studies, Renmin University of China (RUC), in the W.E. Talk with China News Network.
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