Li Zifeng, a professor at China's Yanshan University who specializes in oil drilling and engineering, says that he's done the seemingly impossible: disproven Einstein's ironclad theory of relativity.

31 Jul – Li Zifeng recently revealed that he and wife Lin Zi have called it quits on their marriage. On 27 July, the couple shared the sad news with similar words, writing, "A father will still be a ...

Li Zifeng, a 59-year-old researcher and lecturerat Yanshan University, specializes in the study of petroleum and gas drilling and production engineering. The introduction to his research ...