Visa time limits on foreign Ph.D. students and postdocs will harm U.S. science, experts warn
Summary
A plan to cap visas for foreign graduate students and postdocs at four years is raising alarms across U.S. research institutions. Scientists and university leaders warn the limit would disrupt training pipelines, delay projects, and push talent to competing countries.
A hard four year clock would sever the assumption that U.S. labs can retain trainees
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U.S. research capacity depends on predictable immigration timelines, and tightening them would weaken the talent engine that sustains labs, grants, and innovation.