Foreign students in science and technology will be able to extend their stay in the United States, under a new rule to be published by the U.S. Department of Homeland Security this week. The regulation will be welcome relief to some 34,000 students — as well as to colleges and employers — who could have been forced to leave the country this spring because of a legal challenge to a program, Optional Practical Training, that allows them to work in the United States after graduation. [read more]