Iranian student caught between two worlds
5 December 2011 Last updated at 19:50 GMT
Maziar Rostamian is a mechanical engineering student who is living his dream of studying for his doctoral degree in the US. But for the Iranian-born science student, his country's relationship with his host-country poses a set of challenges.
The BBC's Franz Strasser caught up with Mr Rostamian at the University of Idaho campus in Idaho Falls. He talks about why visiting Iran during his studies poses a risk.