emily: our interview with dave daly and alexis of third rock ventures. coming up, m.i.t.y have given rise to innovation. our exclusive interview with the m.i.t. presidents next. and later, the future of flight. the boston-based startup working on a supersonic business jet to carry passengers faster than the speed of sound. ♪ emily: in boston, we spent time in the hotbed of groundbreaking research, m.i.t. we turned to the president's office for a look at entrepreneurship and innovation. the university teaches 63 courses in entrepreneurship. 162 faculty members are entrepreneurs. over 30,000 active companies have been launched by m.i.t. alums. here is our interview with m.i.t. president l. rafael reif. how do you see m.i.t.'s role in the startup community in boston and the world? mr. reif: m.i.t. is a unique place. students with a great deal of talent come here because, not only do they want to get a degree, they want to use their skills to do something important for the world. to make the world better. they come here to learn and try to work on projects addressing the most