Yi Xie (C Back), professor at the University of Science and Technology of China, speaks at the ceremony of L'Oreal-UNESCO For Women in Science Awards 2015, in Paris, France, March 18, 2015. Yi Xie, professor at the University of Science and Technology of China, was on Wednesday honored with the L'Oreal-UNESCO For Women in Science Awards 2015, together with four other women for their ground-breaking discoveries in physical sciences. [Photo: Xinhua/Chen Xiaowei]
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