Summary:
- The article discusses how the U.S. Department of Energy's Argonne National Laboratory, a leading research institution, is reportedly making it more difficult for foreign scientists to work there.
- The article suggests that this is part of a broader effort by the U.S. government to limit the involvement of foreign nationals, especially those from China, in sensitive research projects.
- The article highlights concerns that these policies could harm the lab's ability to attract top talent and collaborate with international researchers, which is crucial for scientific progress.