On Monday, President Trump restricted several categories of work visas for non-American citizens, citing the need to protect U.S. jobs. Last month, a White House executive order suspended visas issued to Chinese researchers and some graduate and postgraduate students, citing military security concerns as well as fears of China illegally acquiring U.S. intellectual property.

Both of these moves, and restrictions on international students in general, could damage U.S. science and innovation. Here’s what you need to know.

Research by Georgetown University’s Center for Security and Emerging Technologies revealed that fears of a “reverse brain drain” from the United States to China are greatly overstated. To be sure, the number of students returning to China has risen along with the rise in the number coming to the United States — and there have been cases of Chinese researchers helping to transfer U.S. technology to China.

Read the full article in The Washington Post.