Renowned biologist Xu Xianzhong has returned to China, taking up a full-time position in the southern tech hub of Shenzhen, months after four researchers in his laboratory at the University of Michigan were accused by the United States of “biological material smuggling”. Xu, a fellow of the prestigious American Association for the Advancement of Science – has joined the Shenzhen Medical Academy of Research and Translation (SMART) as a senior investigator with its Institute of Bio-Architecture...