On Monday Science Magazine said that the U.S. Department of State today began applying tougher restrictions on some Chinese graduate students. The new policy shortens from 5 years to 1 year the duration of visas for those planning to study aviation, robotics, and advanced manufacturing. While the reason behind the decision is meant to improve national security, U.S. university officials see it as the latest attack on graduate education and the free flow of scientific knowledge.
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