STAT Plus: Chinese scientists came to the U.S. to pursue their dreams. Under tighter scrutiny, many are returning home
At the dawn of the new millennium, Ting Han, a graduate of Tsinghua University in Beijing, followed his dream of going to the United States to pursue a career in biology. He enrolled at the University of Michigan, and in 2013, earned his Ph.D.
It was an important step for Han, who envisioned a career — and a life — here.

