当合作纽带断裂时

roblem.” As soon as I saw the subject line on my collaborator’s email, I had a sinking feeling. We had been working together—I in China, my collaborator in the United States—to finalize a manuscript from a joint biomedical research project. For a moment, I thought the email might be about journal policies or additional experimental details. But I soon realized better controls or more data would not help. “I may have to be off the paper,” the email read, next to a link to a news article about proposed legislation that would prohibit U.S. researchers from receiving federal funding if they collaborate with Chinese scientists. I couldn’t believe what I was seeing. I have worked with U.S. scientists for decades. …