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A team of researchers from the National University of Singapore (NUS) has set a new record in the power conversion efficiency of solar cells made using perovskite and organic materials. This technological breakthrough paves the way for flexible, ligh
BEIJING, Jan. 20 (Xinhua) -- Chinese have long believed that the highest level of trust is not limited to pledges as The Book of Rites, a Confucian classic dati
Number of births in China drops for 5th consecutive year
Number of births in China drops for 5th consecutive year
Number of births in China drops for 5th consecutive year