Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
The remarkable increase in the number of overseas Chinese scientists returning to the booming economies of Asia is already having an impact on the region. Scientists are also going back to take up key posts in China itself.